Software Development Software Engineer Jobs in Los Angeles, CA

Job Title: Principal SW Engineer - OMS Location : Fort Worth, TX or Palmdale, CA. Compensation: $160,000 - $200,000 + Bonus Eligible Security Clearance: Active Secret Clearance Require d Who we are: 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 - Open Mission Systems (OMS) to support the development and integration of advanced software capabilities for a military aircraft platform. This role offers the opportunity to contribute directly to next-generation avionics architectures that enhance interoperability, rapid capability integration, and mission effectiveness for U.S. military aviation programs. 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. 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 C++ development experience • Open Mission Systems (OMS) software architecture and development • C++ mission software development in Linux environments • Middleware and data distribution (DDS, pub/sub architectures) • Service-oriented and event-driven software design • Experience developing Service contracts • Interface definition, ICD development, and data modeling • Mission-level simulation and integration testing • Ability to work onsite 100% • Ability to travel 10% Preferred / Additional Skills • Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.) • Experience communicating and documenting complex technical designs • Software development experience in Java • Modular Open Systems Approach (MOSA) and FACE technical standards • Integration of third-party mission applications • Secure and sustainable mission software lifecycle • CI/CD and configuration management for mission software • Ability to work in a collaborative and team-based environment • Excellent written and verbal communication and presentation skill 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 + 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