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ThayerMahan, a fast-growing, mission-focused technology company specializing in Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence, is seeking a Senior Mechanical Engineer to join its mechanical engineering team in Groton, Connecticut. This is a hands-on role ideal for an experienced engineer who thrives in fast-paced environments and is passionate about mentoring junior talent.
You will lead the design, analysis, and testing of mechanical components and systems for advanced marine systems. Key responsibilities include owning technical projects from concept through deployment, providing day-to-day mentorship to junior engineers on technical challenges and best practices, and collaborating cross-functionally with electrical, software, and field operations teams to ensure seamless system integration. You will actively participate in prototyping, troubleshooting, and field deployments, while promoting consistent design practices, documentation standards, and engineering methodologies across the team. You will also identify opportunities to improve processes, tools, and engineering department methodologies.
Required qualifications include U.S. citizenship, ability to obtain a security clearance, a B.S. or M.S. in Mechanical Engineering or related field, and 8+ years of professional mechanical engineering experience, preferably in robotics, ocean technology, or ruggedized field systems. You must be proficient in 3D CAD (Autodesk Inventor preferred), FEA, and ASME Y14.5 drawing standards, with demonstrated success leading technical projects from concept to production. Strong interpersonal skills and proven mentoring experience are essential, along with comfort in hands-on work including prototyping, machining, and field assembly/testing.
Preferred experience includes marine systems, underwater vehicles, autonomous platforms, environmental sealing and corrosion resistance for harsh environments, design for manufacturability/assembly, rapid prototyping, multidisciplinary system integration, and background in small to mid-sized R&D environments. The company offers competitive salary, comprehensive benefits (medical, dental, vision, 401K with employer match), and career development opportunities.
