> Markdown version of [/jobs/ext/4604336-systems-engineer-sr-e3](https://www.wearedevelopers.com/jobs/ext/4604336-systems-engineer-sr-e3). 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). --- # Systems Engineer Sr - E3 - **Company:** Lockheed Martin - **Location:** West Jefferson, AL, United States - **Experience:** Expert - **Salary:** $106,600.0 - $198,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Automation of Tests, DevOps, Systems Analysis, Interoperability, Rhapsody, Software Requirements Analysis, Systems Architecture, Systems Integration, Containerization, Infrastructure Automation Frameworks - **Published:** November 6, 2026 - **Apply:** https://www.careerbuilder.com/job-details/systems-engineer-sr-e3-quinton-al--535f475d-1117-4186-a2b4-1f0db1b731d8 ## About the Role Systems Engineering, Australian Defence Force (ADF), Interoperability, Technical Delivery, Systems Engineering, Validation Testing, Risk Management, Agile Programming Methodologies, Test Automation, System Architecture, Working in a collaborative Agile environment, you''ll partner with multidisciplinary engineering teams to translate customer requirements into integrated system solutions. You''ll contribute to technical planning, system architecture, test automation, and risk management while helping deliver complex command and control capabilities throughout the engineering lifecycle., * Bachelor''s degree in STEM related field with a minimum of five years of professional experience * Experience with developing system requirements * Experience with MBSE tools such as Rhapsody and DOORS * Ability to obtain DoD Secret Clearance Desired Skills * Experience with software requirements testing and analysis ## Description * Develop and maintain system requirements, architectures, interfaces, and technical specifications supporting integrated mission capabilities. * Lead technical planning, systems analysis, and engineering trade studies to balance performance, cost, schedule, and technical risk. * Support system integration, verification, and validation activities across complex hardware and software environments. * Develop and implement automated testing strategies to improve system quality, reliability, and integration efficiency. * Collaborate across systems, software, infrastructure, and test engineering teams to resolve complex integration challenges. * Support modern engineering practices, including Agile development, containerized environments, and Infrastructure as Code. * Communicate technical progress, risks, and engineering recommendations to program leadership, customers, and key stakeholders.