Structural Opto-Mechanical Engineer - Engineer III
General Atomics
Acton, MA · Posted September 24, 2026
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November 2026
- #19Best cities for software and engineering jobs in New England41 openings · of 24
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
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AI use among engineers, all other is little observed so far. Measured exposure for engineers, all other: 7% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
General Atomics Electromagnetic Systems (GA-EMS) designs and manufactures first-of-a-kind electromagnetic and electric power generation systems. GA-EMS' expanding portfolio of specialized products and integrated system solutions support critical fleet, space systems and satellites, missile defense, power and energy, and process and monitoring applications for defense, industrial, and commercial customers worldwide. We are hiring Opto-Mechanical Structural Engineers/Analysts to join our team in Acton, MA to support the design, development and production of advanced spaceborne electro-optical sensor payloads. These individuals will assist in developing cutting-edge, high-performance space-based opto-mechanical hardware designs. The primary roles entail executing various structural modeling and detailed mechanical design analysis tasks using Femap and Nastran software as well as performing vibration testing to validate design performance. This opportunity affords the chance to build your skills as part of a highly skilled, collaborative and supportive project team, that produces best in class, rigorously engineered, high-performance space based optical sensor payloads. The successful candidates will demonstrate a clear dedication to taking ownership of his or her work, a drive to not leave tasks incomplete or not understood and be absolutely committed to making the team and project succeed. DUTIES & RESPONSIBILITIES: Perform quasi-static, modal, random vibration, and thermal stress analysis tasks using Femap and Nastran software. Support the environmental testing of hardware including vibration, shock, thermal and others as required on qualification and production flight hardware. Provide Mechanical Engineering support to a project team and execute to plan while managing and tracking work assignments and progress. Track and understand design requirements and apply sound engineering principles and oversight to meet project requirements. Generate and present design review packages for internal and external audiences. Support customer and supplier interactions as required. Contribute to formulation of creative conceptual designs for new products and proposal efforts. Perform root cause assessments on hardware failures. Identify solutions and perform analysis as required to verify validity of proposed solutions. Able to work on multiple assignments and with multiple teams simultaneously. Other duties as assigned. We recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to apply