Senior Software Test Engineer | Sensor Fusion

Description Help ensure mission-critical software performs when it matters most. As a Senior Software Test Engineer supporting the Sensor Fusion team, you will help validate the software that enables advanced aerospace systems to process, fuse, and deliver critical mission data. Your work will play a key role in ensuring high-quality software is delivered with accuracy, reliability, and confidence. Working alongside software, systems, and integration engineers, you will analyze requirements, develop comprehensive test strategies, execute software validation activities, and identify opportunities to improve product quality throughout the software development lifecycle. This role is ideal for engineers who enjoy problem solving, collaborating across disciplines, and ensuring complex software performs as designed. What You Will Be Doing Analyze software and system requirements to develop comprehensive test strategies, test cases, and validation plans for Sensor Fusion software. Execute software verification and validation activities to ensure mission-critical capabilities meet quality and performance requirements. Develop and maintain automated and manual test cases using C++ while supporting continuous software integration and delivery. Collaborate with Software Engineering, Systems Engineering, and Integration & Test teams to identify, troubleshoot, and resolve software defects. Support Agile software development by participating in test planning, defect tracking, and continuous process improvement activities. Utilize engineering tools including Linux, GitLab, Jira, and automated testing frameworks to improve software quality and testing efficiency. Contribute throughout the software development lifecycle by ensuring robust testing, documentation, and delivery of reliable Sensor Fusion capabilities. What's In It For You From flexible work schedules to comprehensive benefits that help support your health, financial well‑being, and future, Lockheed Martin is committed to investing in you. Explore our comprehensive benefits package to learn more about the programs and resources available to help you thrive personally and professionally. Must be a U.S. citizen. This position is located at a facility that requires special access, and an interim Secret clearance is required to start. Basic Qualifications Bachelor’s degree in Computer Science or Software Engineering Minimum of 2 years of testing experience Experience coding in C++ Experience analyzing requirements Desired Skills Experience coding in C# or Python Experience working in Agile teams Experience with Linux operating systems Experience with Jira and GitLab F-35 Program access Security Clearance Statement This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level Secret with Investigation or CV date within 5 years Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. If this match is identified you may be contacted for this and future openings. Ability to Work Remotely: Onsite Full-time. The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five‑day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Schedule for this Position: 4x10 hour day, 3 days off per week Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Experience Level: Experienced Professional Business Unit: AERONAUTICS COMPANY Relocation Available: Possible Career Area: Software Engineering Type: Full-Time Shift: First #J-18808-Ljbffr Lockheed Martin Corporation