Software Engineer II - APNT (Onsite)

Date Posted: 2026-07-20 Country: United States of America Location: US-IA-CEDAR RAPIDS-112 ~ 400 Collins Rd NE ~ BLDG 112 Position Role Type: Onsite U.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 clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Software Engineer II - APNT (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. Collins Aerospace is looking for a Software Engineer II with a passion for engineering and the desire to be part of an innovative, dedicated team responsible for industry-leading Positioning, Navigation and Timing (PNT) products. Our team needs engineers interested in architecting, designing, and developing software 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.  Collins Aerospace continues to build on a strong history of providing navigation equipment to meet the evolving needs of commercial and military users. Our navigation solutions provide enhanced situational awareness and pinpoint accuracy for airborne and surface missions worldwide allowing users of our equipment to complete their mission and return home safe.   What You Will Do: As a part of this team, you will have responsibilities spanning all phases of the software engineering life cycle, including requirements analysis, design, code development, integration, verification, and documentation. Assignments may include tasks such as developing software tools, supporting field demonstration efforts, providing customer support, and mentoring other engineers. The successful applicant should be knowledgeable and skilled with a variety of development and test tools as well as proficient in the development of embedded hardware/software applications.  Qualifications You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field 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  Characteristics We Prefer: High motivation to solve problems and continuously improve existing products  Desire to contribute to a results-oriented product development team  Solid understanding of software development processes for real-time embedded hardware/software applications  Strong verbal and written technical communication skills  A genuine desire to learn and innovate  Qualifications We Prefer: Software requirements and architectural skills with functional decomposition  Strong writing skills necessary to produce documentation required for security certification evaluation  Experience with embedded hardware and real time hardware systems  Experience with Eclipse, Jira, and Jama  Experience with C, C++, Ada or other high-order languages in an embedded application environment and experience with hardware centric products  Experience with Python test scripting  Experience with the Agile methodology of development, aptitude or interest in a Scrum Master role  A working knowledge of Communication Systems, Message Handling, Digital Signal Processing, or Kalman Filter Theory 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:    Medical, dental, and vision insurance   Three weeks of vacation for newly hired employees   Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option   Tuition reimbursement program  Student Loan Repayment Program   Life insurance and disability coverage   Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection  Birth, adoption, parental leave benefits  Ovia Health, fertility, and family planning   Adoption Assistance            Autism Benefit   Employee Assistance Plan, including up to 10 free counseling sessions   H