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Principal Mechanical Engineer, Development

BAE Systems

Merrimack, NH · Posted October 23, 2026

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More in New Hampshire job market · Aerospace & Defense · Engineering jobs

Pay compared with the market

This listing does not state pay. Across 31 open principal mechanical engineer listings that state pay, the middle half runs $156,000 to $218,000 and the median is $174,500.

Listed pay is what employers advertise, not what people are paid.

Principal Mechanical Engineer salaries by state · Check your own pay

About the job

Join our team as a Principal Mechanical Engineer, leading the design and development of advanced military systems. Oversee mechanical engineering projects from concept to production, ensuring high performance and reliability. Ideal for experienced engineers with a strong background in mechanical systems and a passion for continuous improvement.