Sr Software Engineer - Embedded Communications (Onsite)

Date Posted: 2026-04-28 Country: United States of America Location: US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137 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 At Collins Aerospace, we don’t just build technology—we engineer mission success. Our Resilient Connectivity Products software 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 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, 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're building trusted systems or breaking ground on new innovations, your contributions will directly support mission-critical operations across the globe. If you'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. Join Collins Aerospace Mission Systems and help us connect the battlespace of tomorrow! What You Will Do YOU will design and develop cutting-edge embedded software, networking and communication products in C/C++ and Rust YOU will drive project success by directly contributing to requirements, implementation, test development, and certification YOU will lead initiatives and small teams YOU will guide your team: supporting cost, schedule and technical performance What You Will Learn YOU will gain technical leadership experience and mentorship opportunities to develop talent for yourself and your peers YOU will collaborate with experts in the software discipline, obtaining hands-on experience with new and innovative technologies  YOU will engage with a multidisciplinary team to develop a cross-functional skillset  YOU will become a subject matter expert on your projects and programs  Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of prior relevant experience OR an Advanced Degree in a related field and minimum 3 years of experience. Experience in the full software development lifecycle  3 years of experience with embedded software development 3 years of experience in Python and C/C++ Qualifications We Prefer Active U.S. Department of Defense Clearance Experience with Linux development environments  Experience with Git or other version control systems  Experience with networking and communications protocols  Experience with Rust programming language Experience with multithreading and containerization Comfortable working in Agile/Scrum environments  What We Offer: 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 Healthy You Incentives, wellness rewards program Doctor on Demand, virtual doctor visits Bright Horizons, child and elder care services Teladoc Medical Experts, second opinion program And more!  Relocation Eligibility Eligible for relocation 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 Eligible 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