Explore 6 senior python developer jobs from 4 hiring companies in Athens, TX, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Senior Python Developer Jobs

Citi

7-Eleven

SBT Global

Hybrid

Onsite

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations &amp; Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.Position OverviewWe are seeking an exceptionally skilled and motivated Full Stack Python Developer to guide our team in building robust, scalable, and high-performance data solutions. The ideal candidate will combine deep technical expertise with proven leadership abilities to drive innovation, mentor junior talent, and ensure the delivery of high-quality data products that drive critical business insights.The Full Stack Python Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities:<ul><li>Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements</li><li>Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards</li><li>Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint</li><li>Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation</li><li>Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals</li><li>Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions</li><li>Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary</li><li>Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm&#39;s reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.</li></ul> Recommended Qualifications:<ul><li>6&#43; years of relevant experience in Apps Development or systems analysis role with extensive Python and/or big data expertise</li><li>Python/Pyspark Mastery: Expert-level capability in developing and maintaining complex data processing and analytical solutions using Python/Pyspark, including advanced scripting and framework development.</li><li>Big Data Technologies &amp; Platforms: Extensive experience (8&#43; years) architecting, designing, implementing, and managing solutions within distributed data processing platforms, specifically with the Hadoop ecosystem (preferably Cloudera distributions). Proficient in leveraging key big data components such as distributed file systems (e.g., HDFS), data warehousing solutions (e.g., Hive), data transformation frameworks (e.g., Pig), and data ingestion tools (e.g., Sqoop), alongside hands-on experience with NoSQL databases (preferably MongoDB).</li><li>ETL Architecture &amp; Development: Proven ability to architect, design, and implement highly scalable data pipelines. Extensive experience leveraging industry-standard ETL tools and frameworks for efficient data extraction, transformation, and loading into various relational databases and data warehouses, coupled with a strategic vision and planning experience for migrating to cloud-native, serverless ETL solutions.</li><li>Data Architecture &amp; Strategic Modeling: Understanding of advanced data modeling principles and practical experience in data warehouse design and development, ensuring data integrity, scalability, security, and optimal performance .</li><li>AI-Powered Development: Ability to leverage advanced AI tools, such as Devin, for efficient code refactoring, optimization, and identifying potential code improvements, thereby enhancing code quality and developer productivity.</li><li>DevOps, Version Control &amp; Containerization:  CI/CD pipelines, Git, Docker and Kubernetes.</li><li>Extensive experience system analysis and in programming of software applications</li><li>Experience in managing and implementing successful projects</li><li>Subject Matter Expert (SME) in at least one area of Applications Development</li><li>Ability to adjust priorities quickly as circumstances dictate</li><li>Demonstrated leadership and project management skills</li><li>Consistently demonstrates clear and concise written and verbal communication</li></ul> Education:<ul><li>Bachelor’s degree/University degree or equivalent experience</li><li>Master’s degree preferred</li></ul> This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.------------------------------------------------------<h2>Job Family Group: </h2>Technology------------------------------------------------------<h2>Job Family:</h2>Applications Development------------------------------------------------------<h2>Time Type:</h2>Full time------------------------------------------------------<h2>Primary Location:</h2>Irving Texas United States------------------------------------------------------<h2>Primary Location Full Time Salary Range:</h2>$125,760.00 - $188,640.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental &amp; vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.------------------------------------------------------<h2>Most Relevant Skills </h2>Please see the requirements listed above.------------------------------------------------------<h2>Other Relevant Skills </h2>Big Data, Cloudera Data Platform (CDP), Microsoft SQL Server, Oracle, PySpark, Python (Programming Language).------------------------------------------------------<h2>Anticipated Posting Close Date:</h2>May 05, 2026------------------------------------------------------Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.

Full Stack Python Developer, VP

Full Stack Python Developer

Senior-level full stack Python developer with 6+ years in apps development, strong Python/PySpark, big data, ETL, data architecture, DevOps, and leadership.

<div>Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations &amp; Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.The Collections Senior Java Developer is a senior-level technology role responsible for leading the design, development, and delivery of complex applications supporting collections and financial systems. This position combines deep Java-based application development expertise with hands-on leadership in Generative AI (GenAI) solution delivery.The role requires close collaboration with technology and business stakeholders to deliver scalable, secure, and production-ready solutions while mentoring team members and ensuring alignment with enterprise architecture, compliance, and ethical standards.<h3></h3>Key ResponsibilitiesApplication Development &amp; Technical Leadership<ul><li>Lead end-to-end application development, including systems analysis, design, development, testing, and deployment, in alignment with enterprise architecture standards.</li><li>Partner with multiple management and technology teams to ensure effective system integration and to identify and deliver enhancements supporting new products and process improvements.</li><li>Resolve high-impact, complex technical and business problems through in-depth analysis of business processes, system flows, and industry standards.</li><li>Design and maintain high-quality, scalable, and resilient Java-based applications supporting collections and financial platforms.</li><li>Establish and enforce development standards for coding, testing, debugging, deployment, and operational support.</li><li>Provide technical leadership and guidance to mid-level developers and analysts through mentoring, task allocation, and code reviews.</li></ul>Generative AI &amp; Advanced Analytics<ul><li>Design, develop, and deploy end-to-end Generative AI solutions for collections use cases, with hands-on experience delivering production-ready implementations.</li><li>Collaborate closely with AI/ML engineers to implement GenAI technologies, including retrieval-augmented generation (RAG) pipelines, vector databases, prompt engineering, and chatbot solutions.</li><li>Contribute directly to the codebase and participate in architectural and technical decision-making for GenAI-enabled applications.</li><li>Integrate GenAI solutions seamlessly into existing Java-based systems and enterprise workflows.</li><li>Support deployment, scalability, reliability, and maintainability of AI-enabled solutions in production environments.</li><li>Contribute to the development and optimization of real-time and streaming AI solutions.</li><li>Stay current with advancements in generative AI and proactively share best practices, patterns, and knowledge with the team.</li></ul>Collaboration, Risk, and Governance<ul><li>Work closely with business stakeholders to understand requirements and translate them into effective, maintainable technical solutions.</li><li>Ensure adherence to ethical AI principles, data privacy standards, and applicable regulatory requirements.</li><li>Assess and manage risk in technical and business decisions, safeguarding the firm, its clients, and its assets.</li><li>Comply with applicable laws, policies, and control standards, escalating and managing issues with transparency and accountability.</li></ul><h3>Core Technology</h3><ul><li>Languages: Java, Python</li><li>Architecture: Microservices, RESTful APIs, event-driven architectures</li><li>Frameworks &amp; Platforms: Spring / Spring Boot</li><li>AI &amp; GenAI: Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases, prompt engineering, chatbot frameworks</li><li>Data &amp; Streaming: SQL/NoSQL databases, real-time and streaming processing</li><li>DevOps &amp; Cloud: CI/CD pipelines, containerization (Docker), orchestration (Kubernetes), cloud-native deployment patterns</li><li>Quality &amp; Security: Automated testing, observability, secure coding practices, compliance and governance</li></ul><h3>Required Qualifications</h3><ul><li>6–10 years of experience in application development or systems analysis, with extensive experience developing Java-based enterprise applications.</li><li>2&#43; years of real-world experience designing and deploying production-ready Generative AI solutions.</li><li>Strong understanding of GenAI models and architectures, with practical experience applying them to real-world business problems.</li><li>Advanced programming skills, including strong proficiency in Java and Python for data processing, API development, and GenAI integration.</li><li>Proven experience delivering complex, large-scale technology projects.</li><li>Subject Matter Expert (SME) in at least one area of applications development.</li><li>Solid understanding of AI compliance, guardrails, and responsible AI practices.</li><li>Ability to adapt quickly to changing priorities and business needs.</li><li>Demonstrated leadership, problem-solving, and project management skills.</li><li>Clear, concise written and verbal communication skills.</li></ul><h3>Preferred Qualifications</h3><ul><li>Experience with collections systems, financial data, and enterprise financial services applications.</li><li>Contributions to open-source projects related to Generative AI or machine learning.</li><li>Experience leveraging AI-powered tools for application development and deployment.</li></ul><h3>Education</h3><ul><li>Bachelor’s degree or equivalent practical experience required.</li><li>Master’s degree preferred.</li></ul></div><ul><li>ent.</li></ul>------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location:Irving Texas United States------------------------------------------------------Primary Location Full Time Salary Range:$125,760.00 - $188,640.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental &amp; vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.------------------------------------------------------Most Relevant Skills Please see the requirements listed above.------------------------------------------------------Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------Anticipated Posting Close Date:Apr 21, 2026------------------------------------------------------Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.

Collections Senior Java Developer, VP

Collections Senior Java Developer

Lead Java-based enterprise applications; design and deliver GenAI-enabled collections solutions; mentor developers; ensure governance and compliance.

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations &amp; Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.<h1>Job Summary</h1>We are seeking an experienced and highly skilled Applications Development Senior Programmer Analyst to join our dynamic team in Chennai. The ideal candidate will have a strong background in software testing and automation, with a passion for quality assurance. You will be responsible for designing, developing, and executing automated tests for our critical financial applications, ensuring their reliability, security, and performance. This role requires close collaboration with development teams in a fast-paced Agile environment to ensure the timely delivery of high-quality software.<h1></h1><h1>Key Responsibilities</h1><ul><li>Design, develop, execute, and maintain end-to-end automated test scripts using appropriate automation tools and frameworks for every release.</li><li>Analyze requirements and prepare comprehensive test strategies, test plans, and detailed test cases.</li><li>Perform validation of HTTP status codes, response headers, and intricate JSON/XML payloads against specified requirements.</li><li>Author and execute BDD-style test scenarios using frameworks like Cucumber.</li><li>Investigate and validate API error conditions, including 4xx and 5xx error families and custom application-specific error responses.</li><li>Analyze and validate application logs using Splunk to troubleshoot issues and verify test outcomes.</li><li>Identify, log, track, and validate defects using test management and defect tracking tools such as Jira.</li><li>Work closely with developers and business analysts to ensure the timely delivery of high‑quality software releases.</li><li>Actively participate in all Agile/Scrum ceremonies, including sprint planning, daily stand-ups, and retrospectives.</li><li>Contribute to the CI/CD pipeline by integrating automation scripts to ensure continuous quality.</li><li>Utilize approved AI solutions to streamline repetitive tasks and improve delivery speed.</li></ul><h1></h1><h1>Qualifications and Skillset</h1><h2>Skills Required</h2><ul><li>Strong understanding of software testing concepts, processes, and methodologies (Agile, Scrum, etc.).</li><li>Extensive hands-on experience automating tests with Selenium WebDriver and Playwright using Java, C# or Python.</li><li>Good knowledge of BDD frameworks such as Cucumber.</li><li>Experience in API testing using tools like Postman, SoapUI, and Rest Assured.</li><li>Familiarity with CI/CD tools such as Jenkins, GitHub, etc.</li><li>Proficiency in writing SQL queries for data validation.</li></ul><h2></h2><h2>Additional Skills (Preferred)</h2><ul><li>Working knowledge of the Karate testing framework is an added advantage.</li><li>Experience with test management tools like Zephyr.</li><li>A solid understanding of financial services, compliance, or risk domains.</li><li>Bachelor&#39;s degree in Computer Science, Engineering, or a related field.</li></ul>------------------------------------------------------<h2>Job Family Group: </h2>Technology------------------------------------------------------<h2>Job Family:</h2>Applications Development------------------------------------------------------<h2>Time Type:</h2>Full time------------------------------------------------------<h2>Primary Location:</h2>Irving Texas United States------------------------------------------------------<h2>Primary Location Full Time Salary Range:</h2>$107,120.00 - $160,680.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental &amp; vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.------------------------------------------------------<h2>Most Relevant Skills </h2>Please see the requirements listed above.------------------------------------------------------<h2>Other Relevant Skills </h2>For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------<h2>Anticipated Posting Close Date:</h2>May 08, 2026------------------------------------------------------Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.

QA Automation Engineer – Assistant Vice President

QA Automation Engineer

Experienced in software testing and automation; Selenium WebDriver and Playwright; Java/C#/Python; API testing; CI/CD; SQL; BDD with Cucumber; Jira.

Company Description:On-site1 yr contractPay Rate: $8,600/mo<ul><li>Bilingual Network Engineer (Korean and English)</li><li>Must have experience with Semiconductor and Cisco equipment</li><li>Proficient in documentation, including 8D reports, incident reports, network strategy, and daily work logs</li><li>Strong hands-on technical experience</li><li>Excellent communication and relationship-building skills with Korean vendors</li></ul>Job Description:<ul><li>Design and Architect Enterprise Networks:&#xa0;Lead the planning and implementation of scalable, secure network infrastructures using Cisco Catalyst and Nexus platforms, tailored to support high-demand environments.</li><li>Manage Advanced Routing &amp; Switching Protocols:&#xa0;Configure and optimize complex routing protocols such as BGP, OSPF, EIGRP, and EVPN, ensuring efficient traffic flow and high availability across global sites.</li><li>Implement and Maintain F5 Load Balancing Solutions:&#xa0;Deploy and manage F5 appliances, including custom iRules scripting, to ensure application resilience, performance, and intelligent traffic distribution.</li><li>Troubleshoot Critical Network Issues:&#xa0;Serve as the escalation point for diagnosing and resolving L2/L3 connectivity problems, hardware failures, and VPN-related disruptions across enterprise systems.</li><li>Secure Network Infrastructure:&#xa0;Enforce robust security practices using technologies like IPSec, 802.1x, TACACS+, and firewalls, while maintaining compliance with internal and external standards.</li><li>Support Multicast and Manufacturing-Specific Protocols:&#xa0;Configure and maintain multicast technologies including PIM, MSDP, and Anycast-RP to support real-time data delivery in manufacturing environments.</li><li>Lead Network Upgrades and Migrations:&#xa0;Drive hardware/software refreshes, network expansions, and migration projects with minimal downtime and maximum operational continuity.</li><li>Collaborate Across Teams and Vendors:&#xa0;Interface with cross-functional teams, ISPs, and hardware vendors to coordinate maintenance windows, resolve escalations, and manage RMA processes.</li><li>Document and Standardize Network Operations:&#xa0;Maintain detailed network diagrams, configuration records, and SOPs to support audit readiness and streamline troubleshooting.</li><li>Mentor and Develop Team Talent:&#xa0;Provide technical leadership and guidance to junior engineers, fostering a culture of continuous learning, accountability, and operational excellence.</li></ul>Qualifications:<ul><li>Bachelor’s Degree in Computer Science, Information Technology, or a related field.</li><li>5+ years&#xa0;of hands-on experience in large-scale, enterprise-class network operations, including planning, design, implementation, and support, with a focus on Cisco devices (Catalyst, Nexus), Firewalls, and Load Balancers.</li><li>CCNP Enterprise or CCIE certification (current or expired within the last 3 years).</li><li>Extensive experience with routing protocols and network technologies .</li><li>Proficiency in troubleshooting complex network issues, including hardware, L3/L2 problems, application connectivity, and P2P VPN connections.</li><li>Experience with PIM, MSDP, Anycast-RP, and Multicast in a manufacturing environment.</li><li>Experience with Network Monitoring Tools.</li><li>Strong customer focus, a sense of ownership, urgency, responsibility for network documentation, and a passion for mentoring team members.</li><li>Must reside within a 1-hour drive of Taylor, TX.</li><li>Willing and able to commute to the office 5 days per week.</li><li>Bilingual in Korean and English</li></ul>Preferred:&#xa0;<ul><li>Experience supporting networks in large manufacturing environments, particularly within a 24/7 operational context.</li><li>Expertise in high availability network environments.</li><li>Strong background in server network connectivity (Teaming, VPC, LACP).</li><li>Experience with F5 Load Balancing setups, including iRules.</li><li>Experience with Packet Capture Analysis, SSL certificates.</li><li>F5 Load Balancers or Palo Alto Firewalls certification, with at least 5 years of hands-on experience.</li><li>Familiarity with Unix/Linux and scripting in Python, Ansible, or other automation tools is a plus.</li></ul>Additional Information:All your information will be kept confidential according to EEO guidelines.&#xa0;

Mid Network Engineer (Korean Bilingual) 

Network Engineer

Mid-Senior level network engineer with 5+ years enterprise Cisco experience, Korean bilingual, on-site US contract, manufacturing environment.

Date Posted:2026-04-20Country:United States of AmericaLocation:US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDGPosition Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​Security Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required on day 1At Raytheon, the foundation of everything we do is rooted in our values and a higher calling to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.The Integrated Solutions Modeling and Architecture Directorate (ISMA) performs customer focused operational analysis, simulation, mission planning and architecture development activities within Raytheon, an RTX company.  Supporting this mission are teams driving flexible integrated solutions crossing all product areas (sensors, effectors, command and control, logistics and operations), developing tools and methods to evaluate system level studies and visualization based on customer requirements. Raytheon’s Operations Modeling &amp; Analysis (West) is currently seeking a Principal Systems Engineer. Join this visible team and perform highly technical assignments, directly contributing to protecting our nation and our warfighters.  The Advanced Mission Analysis Section’s goals are to provide strong discipline-based Systems Engineering for Operational and Mission Analysis, System Architectural definition, and Advanced sensor performance to deliver overmatch capabilities for our multi-domain national defense customers through modeling, simulation, and analysis.   The team welcomes you to join our tradition of excellence through innovation and collaboration.This is an onsite role located in McKinney, TX.Responsibilities to Anticipate:<ul><li>Develop modeling and analyze solutions across programs, Captures and IRADs</li><li>Support Operations Research functions, including mission and campaign analysis.</li></ul><ul><li>Develop team expertise in Analysis methods, software development, and tools</li><li>Coordinate with Principal Investigators, IPTs, Program Chief Engineer, and Program Management as needed.</li><li>Develop capability delivery plans and lead team execution in an agile framework</li><li>You will provide guidance, direction, mentoring and influencing skills, and foster teamwork, interdependent execution, and growth for earlier in career Engineers.</li><li>Some travel may be required – anticipated 10% domestic</li></ul>Qualifications You Must Have:<ul><li>Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.</li><li>Experience working in Linux Environments.</li><li>Experience using standard government developed tools including Advanced Framework for Simulation Integration Modeling (AFSIM), Suppressor, Brawler, and similar.</li><li>Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.</li></ul>Qualifications We Value: <ul><li>Understanding of military tactics, techniques, and procedures (TTPs) </li><li>Domain knowledge in Sensors (RADARS, EOIR, etc.), Network Communications, Weapons/Effects (Missiles, Projectiles), Command &amp; Control, and Resource Management is highly desirable. </li><li>Proficiency with scientific computing environments, models, and/or simulations such as the following: MATLAB, Simulink, Python, etc.</li><li>Experience with Military Operations Analysis</li><li>Ability to understand tactics as described by military experts and to represent their employment (verbally, graphically, and in simulations)</li><li>Strong technical writing and oral communication skills  </li><li>  Experience in Numerical Optimization Techniques, Analysis of Alternatives, or Design of Experiments </li></ul>What We Offer<ul><li>Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.</li></ul>Learn More &amp; Apply Now!Please consider the following role type definition as you apply for this role.<ul><li>Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.</li></ul>Location: McKinney TX: <a href="https://careers.rtx.com/global/en/raytheon-north-texas-location" target="_blank">https://careers.rtx.com/global/en/raytheon-north-texas-location</a>As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:Click on this <a target="_blank" href="http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice">link</a> to read the Policy and Terms

Principal Systems Engr Mission Analyst (Onsite)

Principal Systems Engineer - Mission Analyst

8+ years in STEM; Linux; AF SIM tools; DoD Secret security clearance; US citizenship.

7-Eleven is an iconic family of brands with over 86,000 locations, surpassing every retailer in the world. We revolutionize convenience, restaurants and fuel through cutting edge innovation — working hard to be the customer&#39;s first choice. 7-Eleven empowers our employees to &#34;activate awesome&#34; and make a meaningful impact in their stores and communities every day. If you&#39;re ready to grow, lead and make a difference, come join our team and help shape the future of convenience.<h1>Why Join 7-Eleven Global Solution Center?</h1>When you join us, you&#39;ll embrace ownership as teams within specific product areas take responsibility for end-to-end solution delivery, supporting local teams and integrating new digital assets. Challenge yourself by contributing to products deployed across our extensive network of convenience stores, processing over a billion transactions annually. Build solutions for scale, addressing the diverse needs of our 84,000&#43; stores in 19 countries. Experience growth through cross-functional learning, encouraged and applauded at 7-Eleven GSC. With our size, stability, and resources, you can navigate a rewarding career. Embody leadership and service as 7-Eleven GSC remains dedicated to meeting the needs of customers and communities.<h1>Why We Exist, Our Purpose and Our Transformation?</h1>7-Eleven is dedicated to being a customer-centric, digitally empowered organization that seamlessly integrates our physical stores with digital offerings. Our goal is to redefine convenience by consistently providing top-notch customer experiences and solutions in a rapidly evolving consumer landscape. Anticipating customer preferences, we create and implement platforms that empower customers to shop, pay, and access products and services according to their preferences. To achieve success, we are driving a cultural shift anchored in leadership principles, supported by the realignment of organizational resources and processes.At 7-Eleven we are guided by our Leadership Principles. Each principle has a defined set of behaviors which help guide the 7-Eleven GSC team to Serve Customers and Support Stores.Be Customer Obsessed Be Courageous with Your Point of View Challenge the Status Quo Act Like an Entrepreneur Have an “It Can Be Done” Attitude Do the Right Thing Be AccountableJOB SUMMARY:Fuels back-office systems at 7-Eleven consists of developing and supporting combination of applications that enable the fuels wholesale, fleet, supply, accounting, and transportation business. This role will primarily work with a group of engineers to deliver in-house solutions as well as work in tandem with vendor partners. The ideal candidate will play a crucial role in designing, implementing, and optimizing custom/SAAS solutions that align with our business objectives. As a Fuel enterprise system manager, you will lead a talented development team, provide leadership, and ensure the successful delivery of scalable and efficient applications. Today we are redefining the customer experience in big ways, we are fundamentally changing our culture, and we want talented, innovative, customer obsessed, and entrepreneurial people like you to come make history with us.KEY DUTIES AND RESPONSIBILITES:As an Engineering Manager, you are joining a multidisciplinary team of engineers who will create new in-house applications and work with vendors to manage the COTS products. We are seeking a creative, hands-on, talented manager to be a member of the 7-Eleven Global platform development team. As an Engineering Manager, your primary focus will be,<ul><li>Lead a portfolio of fuel‑systems technology initiatives and guide a team of full‑stack and microservices engineers in delivering scalable, high‑quality solutions.</li></ul><ul><li>Drive end‑to‑end delivery of in‑house applications and COTS platforms, partnering closely with vendors, business stakeholders, and IT teams to achieve measurable business outcomes.</li></ul><ul><li>Ensure operational stability, reliability, and performance of all supported applications through proactive monitoring, incident management, and continuous improvement.</li></ul><ul><li>Oversee system design, architecture reviews, and scalability planning for cloud‑native and distributed systems.</li></ul><ul><li>Provide hands‑on technical leadership by reviewing code, validating design decisions, and mentoring engineers in modern engineering practices.</li></ul><ul><li>Define and maintain detailed solution designs for enterprise‑grade applications, ensuring alignment with architectural standards and long‑term platform strategy.</li></ul><ul><li>Partner with Product Management, QA, and UX teams to shape user experiences, define feature scope, and translate business needs into actionable engineering plans.</li></ul><ul><li>Collaborate with business analysts and business partners to deliver intuitive, cloud‑based tools that streamline daily operations and decision‑making.</li></ul><ul><li>Communicate roadmaps, priorities, risks, and progress to leadership and stakeholders with clarity and transparency.</li></ul><ul><li>Recruit, develop, and coach engineering talent, fostering a culture of accountability, innovation, and continuous learning.</li></ul><ul><li>Support career growth through regular feedback, performance management, and opportunities for skill development.</li></ul><ul><li>Promote healthy team dynamics, resolve conflicts constructively, and model collaborative behaviors.</li></ul><ul><li>Lead Agile/Scrum ceremonies and ensure predictable, high‑quality delivery across sprints.</li></ul><ul><li>Estimate development effort, manage workload distribution, and ensure teams meet delivery commitments and quality standards.</li></ul><ul><li>Guide data modeling, querying, and performance optimization for application data layers and other data stores.</li></ul><ul><li>Stay current with emerging AI technologies, contribute to internal engineering communities, and champion experimentation and innovation.</li></ul>You will also ensure that the components and the overall application are robust and easy to maintain. If required, you must be willing to wear any of the other hats that is required to make the project successful and always ready to learn new technology on the fly and deliver the results.EDUCATION AND EXPERIENCE:EDUCATION: Bachelors/4 Yr DegreeYEARS OF RELEVANT WORK EXPERIENCE: 10&#43; yearsYEARS OF MANAGEMENT EXPERIENCE: 3&#43; yearsCERTIFICATIONS / LICENSES: Azure/AWS Certifications, Scaled Agile SPECIFIC KNOWLEDGE AND SKILLS:Required Qualifications:<ul><li>10&#43; years of experience with development and designing applications using JAVA Spring, Node.js, React or Angular, Salesforce.</li><li>6&#43; years of experience developing with large microservice-based architectures, container orchestration frameworks: Kubernetes/Azure EKS.</li><li>6&#43; years of experience in relational or non-relational database management systems like PostgreSQL, MS SQL, MongoDB.</li><li>3&#43; years of people management experience, managing engineers.</li><li>Experience with working with vendor partners and business to drive delivery.</li><li>Understanding of MVC / MVVM / MVP structure and development patterns.</li><li>Excellent written and verbal communications skills.</li><li>Experience in partnering with product and program management teams.</li><li>Ability to understand business requirements and translate them into technical requirements.</li></ul>Preferred Qualifications:<ul><li>Salesforce.com delivery Experience.</li><li>PDI Fuel Accounting systems.</li><li>Bachelor&#39;s degree in computer science or related field, or equivalent work experience.</li><li>Experience building event driven applications using Java Spring, Spring boot, Kafka and/or Python.</li><li>Experience working in Cloud platforms either AWS, Azure or GCP</li><li>Familiarity with modern build pipelines and CI/CD tools like Jenkins</li><li>Familiarity with code versioning Git (Gitlab).</li><li>Familiarity with project management tools like JIRA.</li></ul>* This role is onsite in Irving, Texas.* This role is not eligible for sponsorship.If an hourly or salary range is included in this ad it represents the range 7-Eleven in good faith believes is the range of compensation for this role at the time of this posting. The Company may ultimately pay more or less than the posted range. This range is only applicable for jobs to be performed in this state. This range may be modified in the future. No amount is considered to be wages or compensation until such amount is earned, vested, and determinable under the terms and conditions of the applicable policies and plans. The amount and availability of any bonus, commission, long-term incentive compensation, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company&#39;s sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.For a general description of all benefits 7-Eleven is offering in the US for the position, please visit this <a target="_blank" href="https://oli.vi/vLxt8oUz">link</a>.For a general description of all benefits 7-Eleven is offering in Canada for the position, please visit this <a target="_blank" href="https://oli.vi/sxR17vDU">link</a>.

Manager, Software Engineering

10+ years software development; 3+ years people management; Java Spring, Node.js, React/Angular; microservices; Kubernetes/Azure EKS; databases PostgreSQL, MS SQL, MongoDB; AWS/Azure cloud; vendor collaboration; strong communicatio

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