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S3I Engineering

Mission Systems Engineer I – DoD Field & Lab Testing

lexington park, MD

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About this opportunity

S3I Engineering lists this Mission Systems Engineer I – DoD Field & Lab Testing opportunity in lexington park, Maryland. Review the employer’s description below for duties, qualifications and application requirements.

Job description

S3I Engineering is seeking an entry- to mid-level Systems Engineer I to join our team supporting DoD mission systems. You will help test, integrate, and document sensors and software in lab and field environments, ensuring reliability and performance.

The role requires Linux troubleshooting, basic system configuration, and collaboration with government stakeholders. Travel 12–18 weeks per year; work schedule is M-F 8-5; U.S. citizenship and TS/SCI eligibility are needed.

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