> Markdown version of [/jobs/ext/2003185-software-engineer-sr-level-3](https://www.wearedevelopers.com/jobs/ext/2003185-software-engineer-sr-level-3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Sr (level 3) - **Company:** Lockheed Martin - **Location:** Palmdale, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Unit Testing, C++ (Programming Language), Configuration Management, Linux, Rapid Prototyping Process, Real-Time Operating Systems, Software Engineering, System Software, SC Clearance - **Published:** August 9, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/software-engineer-sr-level-3-palmdale-ca-usa-58872136 ## About the Role and milestone events Tasks * Bachelor's degree or equivalent with minimum 3 years experience * Experience with C and/or C++ * Experience with Linux or RTOS and associated toolchains * Experience with software development process in a team environment (peer reviews, unit testing, configuration management, defect tracking) * US Citizenship with Secret clearance (updated within last 5 years) Key requirements * 3-day weekend every weekend * 4x10 hour schedule option * Medical, Dental, Vision * 401(k) match * Paid time off and holidays * Education Assistance, Parental Leave ## Description Experteer Overview In this role you contribute to the vehicle management software that helps aircraft systems fly, joining a high-performing, multi-site team. You will work across the full software lifecycle for avionics, ground stations, and mission software, enabling rapid prototyping and deliverable software for both current platforms and future aircraft. Expect hands-on work from lab to aircraft, with opportunities to grow into a subject matter expert. This is a mission-driven environment focused on purposeful innovation and collaboration. Compensation / Benefits * Full software lifecycle development across avionics services, ground station, and mission system software * Support ground station development for manned and unmanned systems * Develop simulations to support software development * Interface with software and systems engineers to define requirements for rapid prototypes * Participate in integration and test events * Support planning and scheduling for key integration and milestone events Tasks * Bachelor's degree or equivalent with minimum 3 years experience * Experience with C and/or C++ * Experience with Linux or RTOS and associated toolchains * Experience with software development process in a team environment (peer reviews, unit testing, configuration management, defect tracking) * US Citizenship with Secret clearance (updated within last 5 years) Key requirements * 3-day weekend every weekend * 4x10 hour schedule option * Medical, Dental, Vision * 401(k) match * Paid time off and holidays * Education Assistance, Parental Leave ## Related Videos - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) ## Related Articles - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)