Software Engineer Sr - level 3

Software Engineer Senior – Level 3

Lockheed Martin – Irving, TX

You will be the Software Engineer Senior for the Test Planning and Execution Team responsible for integration and test of supplier‑procured software & hardware products with Lockheed Martin‑developed software capabilities. This team focuses on system‑level integration and test in an unclassified cloud environment and/or laboratory environment using hardware‑in‑the‑loop and modeling and simulation tools to mature a Mission Systems suite prior to release.

As the Software Engineer Senior you will be responsible for delivering automated testing solutions that validate and mature Mission Systems software suites.

• Design and implement automated test frameworks for system‑level verification.
• Maintain and evolve the automated testing infrastructure in cloud and laboratory environments.
• Develop test harnesses, APIs, and scripts to exercise mission‑critical software.
• Integrate commercial‑off‑the‑loop automation tools into the test ecosystem.
• Collaborate with cross‑functional engineers to ensure seamless hardware‑in‑the‑loop testing.

We are committed to supporting your work‑life balance and overall well‑being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here.

We provide resources and flexibility to enable inspiration and focus – if you have the passion and courage to dream big, work hard, and have fun doing what you love, then we want to build a better tomorrow with you.

You are a collaborative engineer with deep expertise in automated testing, software development, and systems integration. You thrive in fast‑paced environments. You enjoy solving complex technical challenges and are driven to deliver high‑quality solutions that impact mission success.

Must be a U.S. citizen. This position is located at a facility that requires special access. Selected candidate must obtain a secret clearance.

• Experience with Linux operating systems (Red Hat preferred)
• Experience with container orchestration technologies
• Experience with infrastructure as code approaches (Ansible preferred)
• Experience with Helm and Kubernetes
• Experience with the automation of software‑based systems
• Experience with software test tools that deal with application behavior, such as Cucumber
• Experience with container virtualization technologies such as Docker, Podman, containerd, etc.
• Familiarity with flight simulation technologies and experimentation
• Familiarity with Gitlab and Atlassian products
• Familiarity with the concepts of Dev Sec Ops
• Familiarity with aircraft Mission Systems (RADAR, IR Tracking, etc.) and with the operational use of a Modern Tactical Airborne Platform
• Familiarity with Agile SW Development and Continuous Integration/Continuous Deployment (CI/CD)
• Familiarity with cloud computing
• Current Security+ Certification
• Active Top Secret Clearance with last completed investigation in last 5 years
• Willingness for occasional travel

By applying to this job, you are expressing interest in this position and may be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.