Explore 2 senior python developer jobs from 1 hiring companies in Aplington, IA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Onsite

Date Posted:2026-04-13Country:United States of AmericaLocation:US-IA-CEDAR RAPIDS-166 ~ 855 35Th St NE ~ BLDG 166Position Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required after day 1Senior Systems Engineer - MANTA SEIT (Onsite)At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.Position Overview:The Mission Systems Multi-Domain Assured Navigation and Timing Applications (MANTA) Systems/Hardware department is looking for a highly motivated Senior Systems Engineer, with a passion for engineering, to join the Assured Positioning, Navigation and Timing (APNT) team team to focus on System Engineering, Integration and Testing. The team is responsible for architecting, designing, and developing systems for real-time embedded navigation and timing solutions for military ground, airborne, and maritime applications. This position offers abundant opportunity to acquire in-depth knowledge of Assured PNT systems architecture, and to apply that knowledge in a team effort to develop our navigation products for the warfighter.  The successful candidate will work with external customers and leadership as well as internal systems, software and hardware engineering development teams to integrate navigation products for ground applications.Our solutions keep the warfighter safe, connected and informed by providing accurate position, navigation, and timing information in contested environments. You will be working in a dynamic, results-oriented team environment with engineers that share your passion for providing cutting edge solutions to today’s military.What You Will Do:<ul><li>You will create and maintain system requirements and design documents.</li><li>You will support verification and traceability of the system requirements. </li><li>You will develop verification test procedures and execute procedures in a secure lab. </li><li>You will conduct peer reviews on test procedures &amp; design documentation. </li><li>You will collaborate across teams on program goals. </li><li>You will coordinate communication and status to relevant stakeholders. </li><li>You will own the development of your design approach through collaboration with subject matter experts. </li><li>You will help drive resolution for technical issues through problem-solving and coordination across impacted teams. </li><li>You will have the opportunity to improve our approaches through sharing lessons learned with the team and department. </li><li>You will contribute to bid/proposal activities during new business pursuits.</li></ul>Qualifications You Must Have:<ul><li>Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience</li><li>Must have or be capable of obtaining a US Department of Defense (DoD) security clearance.  Candidate selected will be subject to a government security investigation/reinstatement and must meet eligibility requirements </li></ul>Characteristics We Prefer: <ul><li>Excellent oral and written communication skills</li><li>Good teamwork skills</li><li>Strong organizational skills</li><li>Attention to detail</li><li>Technical aptitude and professionalism</li><li>Ability to work in a fast paced, dynamic environment</li><li>High level of motivation and self-direction</li><li>Comfortable interacting with and presenting to external customers and end-users</li></ul>Qualifications We Prefer: <ul><li>Python scripting experience</li><li>Prior military experience</li><li>Experience with developing system concept of operations (CONOPS) and use cases</li><li>Experience with system integration and test</li><li>Ability to balance multiple tasks simultaneously</li><li>Ability to self-start and recognize task needs</li></ul>Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.What We Offer:Some of our competitive benefits package includes:   <ul><li>Medical, dental, and vision insurance  </li><li>Three weeks of vacation for newly hired employees  </li><li>Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option  </li><li>Tuition reimbursement program </li><li>Student Loan Repayment Program  </li><li>Life insurance and disability coverage  </li><li>Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection </li><li>Birth, adoption, parental leave benefits </li><li>Ovia Health, fertility, and family planning  </li><li>Adoption Assistance           </li><li>Autism Benefit  </li><li>Employee Assistance Plan, including up to 10 free counseling sessions  </li><li>Healthy You Incentives, wellness rewards program </li><li>Doctor on Demand, virtual doctor visits  </li><li>Bright Horizons, child and elder care services </li><li>Teladoc Medical Experts, second opinion program  </li><li>Eligible for relocation assistance</li><li>And more!  </li></ul>Learn More &amp; Apply Now!*Please ensure the role type (defined below) is appropriate for your needs before applying to this role. 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. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.     Apply now and be part of the team that’s redefining aerospace, every day.   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 86,800 USD - 165,200 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

Senior Systems Engineer - MANTA SEIT (Onsite)

Senior Systems Engineer

Minimum 5 years experience in STEM or 3 years with advanced degree; ability to obtain DoD security clearance.

Date Posted:2026-04-28Country:United States of AmericaLocation:US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137Position Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required after day 1At Collins Aerospace, we don’t just build technology—we engineer mission success. Our Communication Systems teams are on the front lines of innovation, designing and delivering cutting-edge embedded communication solutions that keep military forces around the world safe, connected, and informed—no matter the environment.We’re looking for a Senior Principal Software Engineer who’s ready to make an impact. In this role, you won’t just write code—you’ll help shape the future of secure communications. From software-defined radios and advanced networking to state-of-the-art cryptographic systems and open system platform software, your work will drive critical real-time communications that enable pilots and soldiers to securely share voice, video, and data when it matters most.Here, you’ll collaborate with top-tier engineers and industry experts, leveraging advanced technologies to push the boundaries of what’s possible. Whether you&#39;re building on trusted systems or breaking ground on new innovations, your contributions will directly support mission-critical operations across the globe.If you&#39;re passionate about solving complex challenges, excited by the idea of working on systems that truly matter, and driven to grow alongside some of the brightest minds in the field—we want you on our team.What You Will Do<ul><li>YOU will architect, design, and develop cutting-edge embedded software and communication products in C/C&#43;&#43; and Rust </li><li>YOU will drive project success by planning and leading efforts for requirements, implementation, test development, and certification </li><li>YOU will develop innovative tools and automated testing infrastructures that support Continuous Integration and Continuous Development processes</li><li>YOU will serve as a technical lead, mentoring and guiding software developers to ensure successful execution and professional growth </li><li>YOU will lead large initiatives and organize tasks for team members, ensuring timely delivery </li><li>YOU will impact our business and our customers: supporting cost, schedule, and technical performance </li></ul>What You Will Learn<ul><li>YOU will gain technical leadership experience and mentorship opportunities to develop talent for yourself and others </li><li>YOU will collaborate with fellow subject matter experts and industry specialists, obtaining hands-on experience with new and innovative technologies </li><li>YOU will engage with a multidisciplinary team to develop a cross-functional skillset </li><li>YOU will grow into a subject matter expert on your projects and programs </li></ul>Qualifications You Must Have: <ul><li>Typically requires a University Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience</li><li>Experience in leading efforts across the full software development lifecycle </li><li>Experience with software for communications or similar products</li><li>7 years of experience with embedded software development</li><li>7 years of experience in Python and C/C&#43;&#43;</li></ul>Qualifications We Prefer: <ul><li>Active U.S. Department of Defense Clearance </li><li>Proficient with Linux development environments </li><li>Proficient with Git and other version control systems </li><li>Knowledgeable in networking and communications protocols </li><li>Experience with Rust programming language</li><li>Experience with multithreading and containerization</li><li>Experience with communications systems or software-defined radios</li><li>Experience developing open systems architecture and microservices for containerized environments</li><li>Experience applying patterns, data structures, and algorithms to solve problems in software systems</li><li>Comfortable working in Agile/Scrum environments </li><li>Ability to investigate complex problems to root cause and champion the creation and implementation of solutions</li><li>Ability to architect, design, and implement solutions to complex problems without guidance</li></ul>What We Offer:<ul><li>Medical, dental, and vision insurance</li><li>Three weeks of vacation for newly hired employees</li><li>Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option</li><li>Tuition reimbursement program</li><li>Student Loan Repayment Program</li><li>Life insurance and disability coverage</li><li>Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection</li><li>Birth, adoption, parental leave benefits</li><li>Ovia Health, fertility, and family planning</li><li>Adoption Assistance         </li><li>Autism Benefit</li><li>Employee Assistance Plan, including up to 10 free counseling sessions</li><li>Healthy You Incentives, wellness rewards program</li><li>Doctor on Demand, virtual doctor visits</li><li>Bright Horizons, child and elder care services</li><li>Teladoc Medical Experts, second opinion program</li><li>And more! </li></ul>Relocation Eligibility<ul><li>Eligible for relocation</li></ul>Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. *Please ensure the role type (defined below) is appropriate for your needs before applying to this role.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. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.  Apply now and be part of the team that’s redefining aerospace, every day.Employee Referral EligibleAs 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 132,400 USD - 251,600 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

Sr Principal Software Engineer - Embedded Communications (Onsite)

Sr Principal Software Engineer - Embedded Communications

Senior principal software engineer with embedded C/C++, Rust, Python; 10+ years experience (7+ with advanced degree); doD security clearance; leadership and software lifecycle experience.

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