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Principal Mechanical Engineer – Harsh-Environment Packaging

Listing for: Twenty-Six Defense
Full Time position Listed on 2026-11-15
Job specializations:
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR

Job Description & How to Apply Below

Twenty-Six Defense seeks a Principal Mechanical Engineer to research, design, develop, analyze and test mechanical equipment and systems including chassis, hardware assembly, installation hardware and installation design.

The role requires strong fundamentals in mechanical design, manufacturing know-how, and experience with electronic packaging for harsh environments, EMI mitigation, and reliability considerations.

The Principal Mechanical Engineer – Harsh-Environment Packaging position in the Engineering field is open for applications.

All applications are reviewed carefully by our team.

The position is based in Merrimack, NH, United States.

This opportunity is part of our work in Engineering.

The advertised compensation is 120..

We aim to respond to suitable candidates as soon as possible.

Full responsibilities and requirements are described in the listing above.

Learn more about the Principal Mechanical Engineer – Harsh-Environment Packaging role in the description above.

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