
Principal Mechanical Engineer, Development
Nashua, NHFull-time$118–201K/yrSeen 2 days agoSeen in employer's feed 2 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
BAE Systems seeks a mechanical engineer for its Nashua team, working across the lifecycle of complex defense products, from development through production, testing, and sustainment. The role leads mechanical design, analysis, integration, and verification of military systems, collaborating with other engineering disciplines and operations. The position is full-time and onsite. Candidates need a bachelor's degree in Mechanical Engineering and six years of relevant experience, or four years with an MS in Mechanical Engineering.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Job Description
BAE Systems is seeking a Senior Mechanical Engineer to join our team in Nashua, NH!
We Protect Those Who Protect Us is our mission, and we re looking for engineers who share our passion in developing a full range of first-of-its-kind technologies and equipment to protect air, land, and naval warfighters on all fronts. At our Nashua, New Hampshire site, the Countermeasure & Electromagnetic Attack Solutions team provides next-generation threat detection and countermeasure solutions that provide unparalleled electronic warfare capabilities to enhance mission survivability.
If you are an individual who thrives in Agile hardware development environments, then we are interested in hearing from you! This exciting role spans the full product lifecycle - business capture, development, production, testing, sustaining - for a variety of complex defense products and technologies. You will collaborate closely with other electrical, mechanical, software, firmware and test engineers, as well as product managers and stakeholders to develop excellent solutions.
We are looking for candidates who are detail-oriented, possess strong analytical skills, and have a passion for continuous improvement. You will be responsible for ensuring the performance, quality, and reliability of electronic products through rigorous design, analysis, and testing. In addition, the ideal candidate has experience with, and is a strong advocate of, Agile hardware development, risk-reduction prototyping, and requirements-driven design and verification.
Typical duties assigned to this position:
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Lead mechanical engineering designs, development, integration/test, and production of complex and dynamic military systems
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Generate 3D solid models, drawings, and documentation utilizing GD&T principles
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Perform tolerance analyses to assure fit & function
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Perform thermal, structural/stress, and modal/vibration analyses
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Assess designs against environmental requirements
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Develop prototypes and conduct test and verification efforts
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Partner with other engineering disciplines and operations personnel to develop solutions that adhere to DTUPC, DFT, and DFM requirements
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Support resolution of technical issues discovered during manufacture and test of deliverable hardware
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Evaluate and troubleshoot mechanical faults and issues, assessing test failures for root cause, identifying disposition/corrective actions
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Design test equipment to ensure the performance and integrity of manufactured products
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Participate in requirements development, performing technical trade studies, and evaluating technology insertion/upgrades
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Develop and execute test plans, which includes the integration of test solutions, and provide detailed reports on test results
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Participate in new business capture
The ideal candidate will thrive in a learning environment that encourages leadership and technical growth.
Because of the need for consistent, in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role, it will be performed full-time on site.
Current BAE Systems employees are ineligible for sign-on bonuses.
Required Education, Experience, & Skills
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Bachelor's degree in Mechanical Engineering
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6 years (or 4 years with MS ME) designing, testing, and troubleshooting high-reliability embedded systems
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Demonstrated understanding of mechanical principles, test methodologies, and the ability to work with advanced test equipment and cutting-edge technology
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Strong hands-on laboratory experience with instrumentation, equipment, and processes
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Must be eligible for a Secret clearance
Preferred Education, Experience, & Skills
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Possess an understanding in the application of heat transfer principles, strength of materials, materials selection, design for vibration environments and the ability to apply those principles to unique mechanical design challenges
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Experience with mechanical engineering tools for design and analysis, including ANSYS Workbench/Mechanical, PTC Creo, MATLAB/Simulink, Siemens NX, ANSYS Icepak
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Familiarity with design, analysis, and manufacturing standards associated with complex multilayer rigid and rigid-flex CCAs
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Knowledge of engineering development processes for aero/defense industry, including designing and testing to ASTM, SAE, DO, MIL-STD-810
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A self-starter with Agile hardware development experience
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Exceptional degree of ingenuity, creativity and resourcefulness.
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Control account management experience
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Experience with LRIP / FRP, especially electronics manufacturing and test methodologies
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Familiarity with AS9145 compliant processes
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Strong written and verbal communication skills
Pay Information
Full-Time Salary Range: $118095 - $200762
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
Principal Mechanical Engineer, Development
132102BR
EEO Career Site Equal Opportunity Employer. Minorities . females . veterans . individuals with disabilities . sexual orientation . gender identity . gender expression
How this job compares
Set against the 1,755 open Mechanical Engineering jobs on Olive Jobs, counted October 31, 2026.
- Pay
- This posting$118–201K/yr
- US median$115–187K/yr858 salary ranges
This range's midpoint, $159K, is 8% above the US median midpoint ($148K) — in the middle half of Mechanical Engineering salary ranges across the US.
- Openings
- Olive Jobs lists 22 open Mechanical Engineering jobs in New Hampshire and 1,755 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in New Hampshire
- BAE Systems (this employer)12 open
- Oracle4 open
- Mercury Systems2 open
- Experience
- This posting asks for at least 4 years of experience; Mechanical Engineering postings that state a minimum ask for 5 years at the median (988 postings).
- Education
- 784 of the 1,755 open Mechanical Engineering jobs (45%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 31, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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