Senior Systems Test Engineer (REMOTE)

Date Posted: 2026-09-21 Country: United States of America Location: US-MD-REMOTE Position Role Type: Remote 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 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. Solipsys, Managed by Collins Aerospace At Collins Aerospace, we’re working side-by-side with our customers and partners to dream, design and deliver solutions that redefine the future of our industry. By reaching across the markets, we serve and draw on our vast portfolio of expertise, we are making the most powerful concepts in aerospace a reality every day. As industry faces new challenges and embraces new technologies, Collins is collaborating and innovating with our customers to bring big ideas to life. And together, we're redefining the future of aerospace. Solipsys, a wholly owned subsidiary of Collins Aerospace/RTX, is an industry leader in the development of integrated C4I Network Centric Defense System solutions for both the Domestic and International DoD. In this position, you will serve as a technical lead on challenging software development projects. You will be engaged with exciting and innovative advancements in Multi-Sensor and Information Fusion, Networked Situational Awareness, Artificial Intelligence/Machine Learning, and Visualization technologies. This position is located in Fulton, MD and does require some travel to customer sites as needed. What You Will Do: Serve as technical leader of small to medium engineering development teams. Perform full life cycle systems engineering tasks including system requirements analysis, definition, architecture design, trade studies, integration, verification and validation (V&V), formal testing, and software installation. Work with department systems engineering subject matter experts to solve critical technical problems with innovative solutions. Qualifications You Must Have: Experience as lead systems or test engineer on a software development program. 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. 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. Qualifications We Prefer: Experience with any of these systems: Link 16 Tactical Data Link (J series messages), Command and Control (C2), Surveillance/Radars, Air Traffic Control, Mission Planning, Missile Systems or Combat/Fire Control Systems, or Shipboard Combat Systems such as Aegis and SSDS Mk II. Experience with Systems of Systems Software Integration and Test across multiple operating environments such as Linux, Windows, Virtual Machines, and Containers. Experience with software development in Java and C++ and scripting in Linux shells, PowerShell, and Python. Experience with on-site customer software installation and systems integration along with leading formal software qualification tests and demonstrations. Understanding of Model Based Systems Engineering (MBSE) and the Unified Modeling Language (UML). Understanding requirements development and experience using requirements management tools, such as DOORS. Understanding of designing system architectures and experience using architecture development tools, such as Cameo, Enterprise Architect or Rational Suite. Understanding of commonly used concepts, practices, and procedures within the systems engineering field (ISO/IEC/IEEE). 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!   Eligible for relocation Learn More & Apply Now!​ 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 se