Explore 9 senior python developer jobs from 3 hiring companies in La Vale, MD, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Senior Python Developer

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Senior Python Developer Jobs

Navy Federal Credit Union

Forterra

Onsite

Hybrid

ECS is seeking a Web Application Developer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for designing, testing, and developing well designed web based software coding that is testable, and efficient by using best software development practices to meet user’s needs; recommending software upgrades for current and future systems; as well as translating the User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing; and documenting every aspect of the application, service or environment as a reference for future maintenance and upgrades.

Web Application Developer Senior

Bachelor's degree; TS/SCI clearance; 2+ years in AWS/C#/Java/Python; web app development.

ECS is seeking a Data Engineer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for carrying out engineering tasks to deliver an advanced visual analytic application to include: developing data analytics for desktop and web-developed visual analytic software; facilitating the bulk analysis of relational information utilizing advanced graphics, visualization, and high-performance computing, as well as using the specified open source, COTS, and GOTS technologies; and establishing an application that produces manageable, actionable intelligence from streams of a structured and semi-structured data.

Data Engineer Senior

Senior data engineer with Java and Python experience; develop data analytics and visual analytics applications using open source, COTS, and GOTS technologies.

ECS is seeking a Dev Ops Engineer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
ECS is seeking a TS-cleared a DevOps Engineer to support one of our mission critical programs for the Department of Justice. We offer the chance to support the world’s finest law enforcement organization and help the people that keep us safe. In this job you will support agents, analysts, and professionals and the technology they use to fight terrorism, espionage, cyber-attacks, and major criminal threats.
 
We are seeking candidates committed to high quality to provide courteous and accurate technical information. As a DevOps Engineer, you will collaborate with customers, often engaging directly with non-technical personnel, to understand their mission related needs, suggest solutions, and complete work in a timely manner.
 
Responsibilities:
<ul>
<li>Design, develop, and maintain a DevOps environment to support the automation and deployment of mission-critical applications.</li>
<li>Implement infrastructure and automate application development and deployment processes.</li>
<li>Implement and maintain CI/CD pipelines for efficient and automated delivery of applications.</li>
<li>Automate and enhance workflows around build, test, and deployment of applications.</li>
<li>Manage and maintain infrastructure.</li>
</ul>

Dev Ops Engineer Senior

Bachelor’s in CS/engineering; TS SCI; 8+ years DevOps/infrastructure automation; AWS; CI/CD; Docker/Kubernetes; Ansible, Terraform; Python/Java; full lifecycle engineering.

ECS is seeking a Software Developer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. This includes the programmatic integration of third-party components, the introduction of new custom capabilities, modification of existing code, process improvement recommendation, and automation of operations and maintenance tasks. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance. Duties include technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. Provides technical lead of development staff, along with peer level interaction with project managers and architects.

Software Developer Senior

Software Developer

Bachelor's degree; TS/SCI clearance; 4+ years in AWS, C#, Java, or Python.

This role is responsible for contributing to multiple highly complex initiatives by designing, developing, and optimizing software solutions that align business needs with technical capabilities. The individual will leverage deep expertise in Microsoft Azure cloud architecture—including data engineering and analytics platforms—to deliver scalable, innovative solutions that enhance member or internal user experiences.&nbsp;Working across the full software development lifecycle, this position requires the ability to translate business objectives into effective system designs, collaborate seamlessly with technical teams and end users, and drive impactful improvements with minimal supervision. Success in this role demands advanced technical proficiency, strong problem‑solving skills, and a thorough understanding of organizational goals to support projects that directly influence operational outcomes.&nbsp; Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be&nbsp;authorized to work in the United States without the need for current or future sponsorship.<h3>Responsibilities</h3><div><ul><li>Design, develop, and optimize high‑quality software applications using advanced programming languages and frameworks to meet complex business requirements, leveraging Microsoft Azure cloud services and architectures.</li><li>Collaborate closely with engineers, stakeholders, and cross‑functional partners to gather and analyze requirements, translate them into technical specifications, and propose innovative, scalable solutions across Azure‑based platforms.</li><li>Develop clean, maintainable, and scalable code that adheres to industry best practices and organizational standards, including cloud‑native and Azure Well‑Architected Framework principles.</li><li>Apply advanced data structures and algorithms to optimize application performance, scalability, and overall user experience, including solutions built on Azure data engineering and analytics platforms.</li><li>Design, implement, and optimize Azure‑based components such as data pipelines, analytics workflows, and distributed services to support business insights and operational efficiency.</li><li>Identify, troubleshoot, and resolve complex application and cloud‑related issues spanning functionality, performance, security, reliability, and defects, driving continuous system and platform improvements.</li><li>Conduct and participate in advanced code reviews, providing constructive feedback and sharing technical expertise related to software engineering, Azure architecture, and data solutions to ensure a high‑quality codebase.</li><li>Lead small to mid‑scale projects and technical initiatives involving Azure technologies, fostering strong working relationships with stakeholders, team members, and subject‑matter experts to drive successful outcomes.</li><li>Contribute to the development, documentation, and adherence to application, cloud architecture, and software development engineering policies, standards, and procedures.</li><li>Continuously learn and adapt through individual and team experiences, staying current with Azure services, cloud best practices, and emerging technologies while promoting collaboration and continuous improvement.</li></ul></div><h3>Qualifications</h3><div><ul><li>Bachelor’s degree in Computer Science, Information Systems, or a related field, or an equivalent combination of education, training, and professional experience.</li><li>5–7 years of experience in application or software development engineering, delivering production‑grade solutions in complex environments.</li><li>Strong understanding of the assigned business domain, with the ability to translate business needs and objectives into effective technical solutions.</li><li>Advanced proficiency in software development principles, design patterns, methodologies (including Agile), and version control systems.</li><li>Expertise in programming languages and tools such as SQL, Python, JavaScript, and HTML/CSS, along with strong experience using modern frameworks and libraries.</li><li>Hands‑on experience designing and implementing scalable, cloud‑native solutions within Microsoft Azure, including familiarity with Azure compute, storage, data, and analytics services.</li><li>Deep understanding of data structures, algorithms, databases, and web technologies, with demonstrated ability to optimize applications for performance, scalability, and maintainability.</li><li>Experience with software testing, quality assurance practices, and performance tuning across the software development lifecycle.</li><li>Strong analytical, problem‑solving, and troubleshooting skills, with the ability to diagnose and resolve complex technical and system issues.</li><li>Excellent written and verbal communication skills, with the ability to explain complex technical concepts to both technical and non‑technical stakeholders.</li><li>Experience leading projects or technical initiatives, mentoring team members, and contributing to the development of engineering standards, policies, and best practices.</li><li>Familiarity with customer support tools, ticketing systems, and knowledge‑base platforms to support effective issue resolution and continuous improvement.</li></ul>&nbsp;Additional InformationHours:&nbsp;<ul><li>Monday - Friday, 8:00AM - 4:30PM</li></ul>&nbsp;Location:&nbsp;<ul><li>820 Follin Lane, Vienna, VA 22180&nbsp;</li><li>5510 Heritage Oaks Drive, Pensacola, FL 32526&nbsp;</li><li>141 Security Drive, Winchester, VA 22602</li></ul></div><h2>Company</h2><div>
Navy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks.
Our approach to careers is simple yet powerful: Make our mission your passion.
<ul style="margin-top:0in">
 <li>FORTUNE&nbsp;100 Best Companies to Work For® 2025</li>
 <li>Yello and WayUp Top 100 Internship Programs</li>
 <li>Computerworld® Best Places to Work in IT</li>
 <li>Newsweek Most Loved Workplaces</li>
 <li>2025 PEOPLE® Companies That Care</li>
 <li>Newsweek Most Trustworthy Companies in America</li>
 <li>Military Times 2025 Best for Vets Employers</li>
 <li>Best Companies for Latinos to Work for 2025</li>
 <li>Forbes® 2025 America’s Best Large Employers</li>
 <li>Forbes® 2025 America's Best Employers for New Grads</li>
 <li>Forbes® 2025 America's Best Employers for Tech Workers</li>
 <li>2025 RippleMatch Campus Forward Award Winner for Overall Excellence&nbsp;</li>
 <li>Military.com Top Military Spouse Employers 2025&nbsp;</li>
 <li>2025 Handshake Early Talent Award</li>
</ul>
&nbsp;
From&nbsp;Fortune. ©2025&nbsp;Fortune&nbsp;Media IP Limited. All rights reserved. Used under license.&nbsp;Fortune&nbsp;and&nbsp;Fortune&nbsp;Media IP Limited are not affiliated with, and do not endorse products or services of, Navy Federal Credit Union.
Equal Employment Opportunity:&nbsp;All qualified applicants will receive consideration for employment without regard to age, race, sex, color, religion, national origin, disability, veteran status, pregnancy, sexual orientation, genetic information, gender identity or any other basis protected by applicable law.
Accommodations:&nbsp;If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal's Medical Accommodations team at medicalaccommodations@navyfederal.org or by calling 1-888-503-6013. This team cannot provide any information on job postings or application status.
Disclaimers:&nbsp;Navy Federal reserves the right to fill this role at a higher/lower grade level based on business need. An assessment may be required to compete for this position. Job postings are subject to close early or extend out longer than the anticipated closing date at the hiring team’s discretion based on qualified applicant volume. Navy Federal Credit Union assesses market data to establish salary ranges that enable us to remain competitive. You are paid within the salary range, based on your experience, location and market position. For additional details regarding compensation and benefits, review the&nbsp;<a href="https://fa-etbx-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/nfcu/pages/employee-benefits" target="_blank" rel="nofollow">Benefits page</a>&nbsp;of the Navy Federal Career Site.
Protect Yourself from Job Scams:&nbsp;Navy Federal Credit Union jobs are posted on our career site, jobs.navyfederal.org and reputable job boards (e.g., LinkedIn, Indeed). We do not post jobs on social media marketplaces, messaging apps or unverified websites. We will never ask candidates for payment, bank details or personal financial information during the hiring process.
Bank Secrecy Act:&nbsp;Remains cognizant of and adheres to Navy Federal policies and procedures, and regulations pertaining to the Bank Secrecy Act.</div>

Senior Application Engineer

Bachelor’s degree in Computer Science, Information Systems, or related field; 5–7 years in application/software development; Azure cloud experience; proficient in SQL, Python, JavaScript; strong communication and problem-solving.

Design, implement, and maintain infrastructure platforms for delivering applications. Build and manage scalable, reliable, and reusable platforms, tools, and environments for application development, deployment, and operations. Perform work associated with IT infrastructure and systems administration to include installation, configuration, administration, support and maintenance of IT software and hardware systems, IT data/voice network systems, and internal databases. Develop information technology strategies, policies, and plans. Ensure performance and resource availability of computers and other IT systems. Work under minimal supervision and use complete understanding of business needs and objectives to support projects that have an impact on the achievement of operational goals. Demonstrate advanced skill sets and proficiency with procedures and techniques.&nbsp;Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be&nbsp;authorized to work in the United States without the need for current or future sponsorship. &nbsp;<h3>Responsibilities</h3><div><ul><li>Analyze moderately complex to complex data, develop technical conclusions, and evaluate potential applicability of recommendations.</li><li>Conceive, plan, and research final technology solutions/products to guide development to fruition.</li><li>Develop, code, test, debug, and document moderately complex to complex platforms to achieve planned objectives.</li><li>Ensure the quality, accuracy, and security of databases.</li><li>Match organizational resources with client needs, monitor network performance, identify and resolve network problems.</li><li>Analyze, design, implement, operate, deploy, and support information technology resources (including computer hardware, operating systems, communications, software applications, data processing and security).</li><li>Troubleshoot problems and communicate status, findings and/or technical results; make recommendations and ensure implementation of compliance and communication protocols.</li><li>Upgrade network hardware, software, and telecommunications equipment.</li><li>Build working&nbsp;relationships with team members and subject matter experts.</li><li>Collaborate across functions to align platform strategies with organizational goals.</li><li>Create and maintain infrastructure that supports application development (e.g., CI/CD pipelines).</li><li>Provide frameworks, libraries, and tools to standardize development and operations.</li><li>Manage cloud services, container orchestration, and virtualization.</li><li>Optimize platform reliability, scalability, and automation.</li><li>Enable developers to focus on building applications by abstracting complexities.</li><li>Lead small projects and initiatives.</li><li>Mentor lower-level staff.</li><li>Administer and optimize the Microsoft 365 tenant, including identity-integrated service configuration, capacity planning, and ongoing platform health monitoring.</li><li>Manage SharePoint Online (sites, hubs, permissions, sharing, and lifecycle), including information architecture, search, and operational governance.</li><li>Manage Microsoft Teams, ensuring secure collaboration and consistent user experience.</li><li>Administer OneDrive for Business, including storage controls, sharing settings, known folder moves, and synchronization support.</li><li>Configure and manage Microsoft Purview capabilities (information protection, sensitivity labels, retention, eDiscovery support, audit, and data loss prevention) to meet compliance requirements.</li><li>Define and enforce M365 governance standards (naming, provisioning, guest access, sharing, retention, and lifecycle management) and document policies, controls, and operating procedures.</li><li>Monitor service health, message center, and usage telemetry; manage incidents, problems, and changes; and coordinate releases and communications for M365 service updates.</li></ul></div><h3>Qualifications</h3><div><ul><li>Bachelor's Degree in Computer Science, Information Technology, Engineering, or related field, or the equivalent combination of education, training, and experience.</li><li>5-7 years of experience in function.</li><li>Complete knowledge and understanding of business area/specialization.</li><li>Experience with software and platform engineering concepts and methodologies and current development of languages and methods.</li><li>Advanced skill involving technical applications/languages, information technology or specialized engineering methods.</li><li>Experience with Platform Engineering, Systems Engineering, or Cloud Engineering&nbsp;(AWS, Azure, GCP)&nbsp;.</li><li>Advanced skill in scripting languages for automation tasks (Python, Bash, PowerShell, HTML, XML)&nbsp;.</li><li>Experience with configuration management tools.</li><li>Experience with CI/CD pipelines and tools.</li></ul>&nbsp;Desired Qualifications<ul><li>Microsoft 365 Certified: Fundamentals (MS-900) or equivalent baseline knowledge.</li><li>Microsoft 365 Certified: Administrator Expert (MS-102) and/or role-based certifications such as Teams Administrator (MS-700) or collaboration-focused equivalents.</li><li>Hands-on experience administering SharePoint Online and OneDrive (site provisioning, permissions, sharing/external access, lifecycle management, search, and information architecture).</li><li>Experience with Microsoft Teams administration (meeting/messaging policies, app governance, Teams lifecycle, and adoption/change management).</li><li>Experience with Microsoft Purview (sensitivity labels, retention, DLP, eDiscovery, and audit) and translating compliance requirements into technical controls.</li><li>Familiarity with Microsoft 365 Copilot readiness and governance (content permissions, labeling strategy, DLP, and responsible AI/compliance considerations).</li><li>Working knowledge of Entra ID (Azure AD), Conditional Access, MFA, and identity-driven security patterns used across Microsoft 365.</li><li>Experience building and operating M365 governance (naming standards, provisioning, guest access, sharing controls, retention/lifecycle, and operating procedures).</li><li>Scripting/automation experience with PowerShell and Microsoft Graph for administration, reporting, and policy enforcement.</li><li>Operational excellence mindset: experience with incident/change/problem management (ITIL concepts), service health monitoring, and stakeholder communications.</li></ul>&nbsp;Additional InformationHours:<ul><li>Monday - Friday, 8:00AM - 4:30PM</li></ul>&nbsp;&nbsp;Location:&nbsp;<ul><li>820 Follin Lane, Vienna, VA 22180&nbsp;</li><li>5510 Heritage Oaks Drive, Pensacola, FL 32526&nbsp;</li><li>141 Security Drive, Winchester, VA 22602&nbsp;</li><li>9999 Willow Creek Road San Diego, CA 92131</li></ul></div><h2>Company</h2><div>
Navy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks.
Our approach to careers is simple yet powerful: Make our mission your passion.
<ul style="margin-top:0in">
 <li>FORTUNE&nbsp;100 Best Companies to Work For® 2025</li>
 <li>Yello and WayUp Top 100 Internship Programs</li>
 <li>Computerworld® Best Places to Work in IT</li>
 <li>Newsweek Most Loved Workplaces</li>
 <li>2025 PEOPLE® Companies That Care</li>
 <li>Newsweek Most Trustworthy Companies in America</li>
 <li>Military Times 2025 Best for Vets Employers</li>
 <li>Best Companies for Latinos to Work for 2025</li>
 <li>Forbes® 2025 America’s Best Large Employers</li>
 <li>Forbes® 2025 America's Best Employers for New Grads</li>
 <li>Forbes® 2025 America's Best Employers for Tech Workers</li>
 <li>2025 RippleMatch Campus Forward Award Winner for Overall Excellence&nbsp;</li>
 <li>Military.com Top Military Spouse Employers 2025&nbsp;</li>
 <li>2025 Handshake Early Talent Award</li>
</ul>
&nbsp;
From&nbsp;Fortune. ©2025&nbsp;Fortune&nbsp;Media IP Limited. All rights reserved. Used under license.&nbsp;Fortune&nbsp;and&nbsp;Fortune&nbsp;Media IP Limited are not affiliated with, and do not endorse products or services of, Navy Federal Credit Union.
Equal Employment Opportunity:&nbsp;All qualified applicants will receive consideration for employment without regard to age, race, sex, color, religion, national origin, disability, veteran status, pregnancy, sexual orientation, genetic information, gender identity or any other basis protected by applicable law.
Accommodations:&nbsp;If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal's Medical Accommodations team at medicalaccommodations@navyfederal.org or by calling 1-888-503-6013. This team cannot provide any information on job postings or application status.
Disclaimers:&nbsp;Navy Federal reserves the right to fill this role at a higher/lower grade level based on business need. An assessment may be required to compete for this position. Job postings are subject to close early or extend out longer than the anticipated closing date at the hiring team’s discretion based on qualified applicant volume. Navy Federal Credit Union assesses market data to establish salary ranges that enable us to remain competitive. You are paid within the salary range, based on your experience, location and market position. For additional details regarding compensation and benefits, review the&nbsp;<a href="https://fa-etbx-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/nfcu/pages/employee-benefits" target="_blank" rel="nofollow">Benefits page</a>&nbsp;of the Navy Federal Career Site.
Protect Yourself from Job Scams:&nbsp;Navy Federal Credit Union jobs are posted on our career site, jobs.navyfederal.org and reputable job boards (e.g., LinkedIn, Indeed). We do not post jobs on social media marketplaces, messaging apps or unverified websites. We will never ask candidates for payment, bank details or personal financial information during the hiring process.
Bank Secrecy Act:&nbsp;Remains cognizant of and adheres to Navy Federal policies and procedures, and regulations pertaining to the Bank Secrecy Act.</div>

Senior Platform Engineer - M365

Senior Platform Engineer

Bachelor's degree and 5-7 years in platform/Cloud engineering; CI/CD; Microsoft 365; scripting; configuration management; platform-related experience.

Senior Network Systems Engineer

5+ years hands-on network engineering; strong L2/L3, Linux, VPN, AWS; travel ~50%; collaborate across teams.

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