> Markdown version of [/jobs/ext/2178373-software-engineer-sr-stf-e5](https://www.wearedevelopers.com/jobs/ext/2178373-software-engineer-sr-stf-e5). 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 Stf - E5 - **Company:** Lockheed Martin - **Location:** Marietta, GA, United States - **Experience:** Expert - **Salary:** $148,300.0 - $275,500.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Windows, C++ (Programming Language), Computer Engineering, Linux, Network Interface Controllers, Linux System Administration, Scrum Methodology, Real Time Simulation, Software Engineering, Systems Architecture, Systems Integration, Digital Twin, Data Processing, Transport Layer Security, Computer Equipment, Information Technology, Modeling and Simulation, Devsecops, Programming Languages - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9103622/software-engineer-sr-stf-e5 ## About the Role You are a collaborative, self-motivated software professional with a strong foundation in high-order programming languages and a passion for modeling and simulation. You thrive in a fast-paced environment, enjoy solving complex technical problems, and are eager to contribute to cutting-edge aerospace initiatives., MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must possess an active Secret clearance to start. This position is in Marietta, GA Discover Marietta. Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met. Basic Qualifications * Bachelor of Science in Electrical, Software, Computer Engineering or Computer Science from an accredited university * Extensive experience developing in C/C++, Java and/or Ada * Team or project leadership experience * Experience in the use of Windows and Linux Operating Systems. * Experienced software engineer that understands, and has a working knowledge of the following: * Avionics for aircraft * OFPs * Open Systems Architecture * Familiar with aircraft Man in the Loop simulations Desired Skills * Master of Science in Aerospace/Electrical/Computer Engineering or Computer Science from an accredited university * Experience interfacing with components through Interface Control Documents * Experience solving complex technical issues and/or problems * Strong oral and written communication skills * Strong interpersonal and collaboration skills * Experience with real-time simulation software development * Ability to learn from others and pass knowledge on to others. * Experience with, or knowledge of, basic aircraft flight dynamics (aerodynamics, engineering mechanics and fluid mechanics, equations of motion, coordinate transformation), and avionics. * Experience with aircraft flight controls and automatic flight controls. * Must be able to work in a team environment and work with internal and external customers. ## Description You will be a technical staff member for laboratory software development within the LM Aero Simulation and System Lab (SSL) F22 MITL Team. This organization develops state of the art, real-time, pilot-in-the-loop fighter and airlift simulations and systems integration laboratories. This includes simulators for the F-16, F-22, F-35, C-5, C-130J, and L-100 aircraft. What You Will Be Doing As a Software Engineer Senior Staff, you will serve as the software lead for the F-22 Air Combat Simulation (ACS) Man in the Loop (MITL) development team which is responsible for developing and integrating new features into the simulation, sustaining the product, and rehosting the Operational Flight Program for Linux environments. The ACS serves as the Digital Twin for the F22 aircraft and supports pilot training, tactics development, and DT/OT testing including DevSecOps support in the Raptor Virtual Development Lab (RVDL). Your responsibilities will include:Providing weekly/monthly status, leading technical interchange meetings, and performing as the functional interface into the team.Involvement with customer interactions, including program management reviews, risk meetings, and delivery of contract data requirements.Oversee Agile workflow, participating in program increment and sprint planning, and coordinating with Scrum leads.Technical involvement in software reviews and all documentation before submission to customers.Provide day to day guidance to the MITL development team, leveraging software development experience, to ensure high quality, OFP based software delivery. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [AI in Regulated Industry - Validating AI-Enabled Products with PLM and Digital Twins](https://www.wearedevelopers.com/videos/2065-ai-in-regulated-industry-validating-ai-enabled-products-with-plm-and-digital-twins) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)