Test Solutions Software Engineer

Job posted: 2026-03-25. Location: El Segundo, CA. Position type: 100% onsite. Overview Raytheon’s Space Test Solutions department supporting the Mission Solutions & Payloads unit is seeking a Senior Software Engineer. The team designs and develops EO/IR and RF test platforms for space payloads, tackling complex problems that secure national and allied interests. Responsibilities Define software requirements for test equipment of space payloads. Design test‑system software architecture to ensure robust operations. Implement software code to provide test capability on hardware with high‑speed interfaces. Integrate software with electrical, optical, and mechanical systems along with engineering units and space payloads. Create test plans for test suite validation. Conduct test equipment validation. Support test equipment through payload testing completion. Qualifications Bachelor’s degree in a STEM field with a minimum of 5years of relevant experience, or an advanced degree with a minimum of 3years of experience. Experience with LabVIEW software development implementing high‑speed interfaces (FPGA, sRIO, SERDES, etc.). Active, transferable U.S. government‑issued security clearance and U.S. citizenship required. Preferred Qualifications Experience in test‑system development on complex systems. Experience with test plans and/or procedures. Experience with test‑related reviews. Experience in laboratory environments. Experience supporting hardware and software integration, verification, and validation. Experience troubleshooting complex problems and identifying cost‑effective solutions. Exposure to space system testing and requirements. Benefits Competitive salary range: 95,500USD – 181,700USD. Health, dental, and vision coverage. Life and short‑term / long‑term disability insurance. 401(k) match. Flexible spending accounts. Flexible work schedules and employee assistance program. Employee Scholar Program, parental leave, paid time off, and holidays. Potential for annual short‑term or long‑term incentive compensation. Equal Opportunity RTX is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with applicable laws. #J-18808-Ljbffr