Sr Field Service Engineer, Avionics Service and Support (Onsite)

Date Posted: 2026-09-03 Country: United States of America Location: US-IA-CEDAR RAPIDS-121 ~ 350 Collins Rd NE ~ BLDG 121 Position Role Type: Onsite U.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: Secret Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's 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 seeks an experienced Senior Systems Engineer to join its service engineering and support team in Cedar Rapids, Iowa, with the ability to provide on-site support as needed for a number of military installations across the US. This position requires experience with computer hardware and software, as well as networking knowledge and experience, including Linux RHEL or similar operating systems. The role will involve working with military customers, including pilots and maintainers. The candidate will be responsible for coordinating activities with the customer and communicating with Program Management, Design Engineering, and other Service Engineers on a variety of programs supported by the military aviation systems and the support product line team. The candidate must possess the interpersonal skills to communicate effectively with customers, both internal and external to Collins Aerospace, in a wide variety of environments. The candidate will be required to attend a variety of internal and external-facing meetings and events and document the discussions for the program team. The candidate will be required to install avionics equipment at fixed, geographically remote sites and on airborne military platforms, and must perform this work in accordance with engineering specifications. This position is a fully onsite role located in Cedar Rapids, IA. This role may require atypical hours at times based on customer need.   Position may require approximately 50-75% travel. This role is eligible for relocation. What You Will Do Provide on-site maintenance capabilities, including component triage and testing; determine faulty conditions; and repair, replace, and upgrade as needed. Interface with customers (both internal and external) and have a broad understanding of systems. Execute program milestones according to the established schedule and ensure the critical path and key dependencies are effectively managed to achieve a successful outcome. Review detailed execution plans and schedules with the project management and Service Engineering team lead to ensure adequacy, completeness, and alignment with the overall program-level plan. Advise the customer on the physical installation of multiple types of avionics equipment on ground, airborne, and shipboard platforms. Participate in determining the objectives of the assignment. Able to work on a flexible schedule determined by the customer on occasion. Must be able to lift and carry up to 25 pounds independently. Travel for this role averages 50% and can exceed 75%. Qualifications You Must Have Typically requires a degree in Science,Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations. Must hold a current, valid driver’s license. Experience with Python programming, Wireshark (understanding the tool), and Linux administration (via experience or CompTIA Linux+, etc.). Experience in avionics, integration, post-installation testing, and certification activities is required. Experience training customers and system users, both ad-hoc and in the classroom, is required. Qualifications We Prefer A network certification (e.g., CompTIA Network+) or a degree is required. Field service experience. Previous range experience (PODs/Operators/etc.). Prior military experience. Role Type *Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: 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. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. 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