Principal Software Engineer (Test)

Job Title: Principal Software Engineer (Test) Location: Fort Worth, TX or Palmdale, CA. Salary Range: $160,000 - $200,000 + Bonus Eligible Active Secret Clearance Required to Start Company Overview Founded in 2004 with locations in Atlanta, GA, Fort Worth, TX, Denver, CO, & Huntsville, AL, Thompson Software Solutions (TSS) is a mission‑driven aerospace and defense software and systems engineering company supporting the U.S. military, defense primes, and commercial space partners. We specialize in the development, integration, test, and deployment of safety & mission‑critical software systems that power next‑generation aircraft, defense platforms, and space technologies. Our team understands what it takes to modernize complex embedded systems while maintaining the rigor, compliance, and reliability required for mission and safety‑critical environments. As a defense‑focused company of highly skilled and dedicated engineers, we take pride in solving complex technical challenges that directly impact national security and operational readiness. We partner closely with customers across the military aviation and space domains to deliver resilient, future‑ready solutions with portability, sustainability, and long‑term mission success in mind. Description Thompson Software Solutions is seeking a Principal Software Engineer (Test) to support the development and validation of advanced software systems for a military aircraft platform. This position requires a software engineer to use a wide application of technical principles, theories, and concepts in the software field to develop, integrate, and test software products. The successful candidate will be a member of a high‑performing multi‑site team and must be self‑motivated with a strong work ethic, time‑management, and interpersonal skills. In this role, you will work independently on projects at times, and in a collaborative team environment with other software engineers and program development teams at other times. Selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information. Continued eligibility for access to classified information is required throughout employment, as dictated by program needs. Basic Requirements Bachelor's degree in STEM discipline 8+ years of experience in software test/automated software test Familiarity writing automated tests Test automation using Python and scripting tools Lab and hardware‑in‑the‑loop integration Ability to work onsite 100% Ability to travel 10% Preferred / Additional Skills Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.) Requirements‑based testing and traceability Digital simulation (SIL/MIL/HIL) and closed‑loop testing Proficient in C++ Experience communicating and documenting complex technical designs Ability to work in a collaborative and team‑based environment Excellent written and verbal communication and presentation skills Benefits Low‑cost Medical / Dental / Vision coverage options 401K with generous employer match Responsible Paid Time Off + 11 Paid Holidays Remote work opportunities based on role Employee Assistance Program (EAP) Career growth and professional development opportunities All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. #J-18808-Ljbffr Lynx