Defense Software Engineer Jobs (NOW HIRING)

Job Title: Principal Embedded Software Engineer Location : This role requires full time onsite in Marietta, GA Salary Range: $160,000 - $200,000 + Bonus Eligible Security Clearance: Ability to obtain a Secret Security Clearance 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 to support the development of software systems for a military aircraft platform. This is an opportunity to contribute directly to safety & mission-critical avionics and embedded capabilities that enable the performance, safety, and effectiveness of military aviation systems. 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 at times on projects, at other times will be in a collaborative team environment with other software engineers, as well as other program development and deployment teams. Basic Requirements: * Bachelor's degree in a STEM discipline * 8+ years of C, C++, and/or Ada software development experience * Prior experience writing embedded software (C, C++, and/or Ada) * Experience developing and integrating graphics software for avionics/safety-critical embedded systems, including RTOS-based platforms. * Experience with CoreSuite, OpenGL/OpenGL ES, Vulkan/Vulkan SC, or comparable embedded graphics technologies. * Prior experience troubleshooting/debugging software on target hardware in lab/mock-up environments * Prior experience in avionics or defense systems development * Prior experience using IBM DOORS to author, review, and maintain software requirements with full traceability. * Experience with real-time operating systems (e.g. Lynx, Green Hills) * Prior SW Development and Integration experience utilizing the following communications protocols (MIL-STD-1553, ARINC 429, Ethernet) * Ability to professionally communicate project status and collaborate on technical solutions with clients and peers * Ability to work onsite 100% * Must be a US Citizen * Ability to obtain a security clearance Preferred / Additional Skills * Master's degree in a STEM discipline * Proficient with Linux and Windows development environment . * Experience with GPU/rendering pipelines, graphics drivers, performance optimization, and hardware/software integration and test. * Proficient with Atlassian or similar tools (Confluence, JIRA, Bitbucket, etc.) * Experience with DO-178C, MIL-HDBK-516 and safety-critical software development practices * Experience with Integrated Modular Avionics (IMA), ARINC 653 and flight software development * Experience communicating and documenting complex technical designs * Excellent written and verbal communication and presentation skills * Ability to travel 10% Sound Exciting? Get in touch today! We have very robust benefits including: * 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. #CJ