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Principal Mechanical Engineer, Test Solutions Mechanical Lead

BAE Systems

Nashua, NH · HybridFull-time$118–201K/yrSeen 2 days agoSeen in employer's feed 2 days ago

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At a glance

Compensation
$118–201K/yr
Location
Nashua, NHHybrid
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Security clearanceBachelor's degree

Job overview

BAE Systems seeks a Principal Mechanical Engineer to lead mechanical design, development, integration, testing, and production for complex defense systems in Nashua, New Hampshire. The role spans the product lifecycle and includes designing test equipment, conducting analyses, developing prototypes, and resolving manufacturing and test issues. The position is hybrid, with work performed onsite and remotely. Candidates need a mechanical engineering degree, relevant experience, and an active DOD security clearance.

Skills & qualifications

RequiredNice to have

Skills

Mechanical DesignGD&TTolerance AnalysisThermal AnalysisStructural AnalysisModal AnalysisEnvironmental AssessmentPrototypingTest and VerificationRoot Cause AnalysisTest Equipment DesignRequirements DevelopmentTechnical Trade StudiesTest PlanningHeat TransferStrength of MaterialsMaterials SelectionVibration DesignANSYS Workbench/MechanicalPTC CreoMATLAB/SimulinkSiemens NXANSYS IcepakRigid-Flex CCA DesignASTM StandardsSAE StandardsDO StandardsMIL-STD-810Agile Hardware DevelopmentControl Account ManagementLRIP/FRPElectronics ManufacturingAS9145 ProcessesWritten CommunicationVerbal CommunicationAnalytical SkillsAttention to DetailIngenuityCreativityResourcefulness

Qualifications

Bachelor's in Mechanical Engineering6 Years High-Reliability Systems Experience4 Years With MS Mechanical EngineeringActive DOD Security ClearanceMaster's in Mechanical Engineering

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave

Full job description

Job Description

BAE Systems is seeking a Principal 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:

  • Lead mechanical engineering designs, development, integration/test, and production of complex and dynamic military systems

  • Generate 3D solid models, drawings, and documentation utilizing GD&T principles

  • Perform tolerance analyses to assure fit & function

  • Perform thermal, structural/stress, and modal/vibration analyses

  • Assess designs against environmental requirements

  • Develop prototypes and conduct test and verification efforts

  • Partner with other engineering disciplines and operations personnel to develop solutions that adhere to DTUPC, DFT, and DFM requirements

  • Support resolution of technical issues discovered during manufacture and test of deliverable hardware

  • Evaluate and troubleshoot mechanical faults and issues, assessing test failures for root cause, identifying disposition/corrective actions

  • Design test equipment to ensure the performance and integrity of manufactured products

  • Participate in requirements development, performing technical trade studies, and evaluating technology insertion/upgrades

  • Develop and execute test plans, which includes the integration of test solutions, and provide detailed reports on test results

  • Participate in new business capture

The ideal candidate will thrive in a learning environment that encourages leadership and technical growth.

Please note that this position is a Hybrid work location, and work will be performed onsite and also remote.

Current BAE Systems employees are ineligible for sign-on bonuses.

Required Education, Experience, & Skills

  • Bachelor's degree in Mechanical Engineering

  • 6 years (or 4 years with MS ME) designing, testing, and troubleshooting high-reliability embedded systems

  • Demonstrated understanding of mechanical principles, test methodologies, and the ability to work with advanced test equipment and cutting-edge technology

  • Strong hands-on laboratory experience with instrumentation, equipment, and processes

  • Active DOD Security Clearance

Preferred Education, Experience, & Skills

  • 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

  • Experience with mechanical engineering tools for design and analysis, including ANSYS Workbench/Mechanical, PTC Creo, MATLAB/Simulink, Siemens NX, ANSYS Icepak

  • Familiarity with design, analysis, and manufacturing standards associated with complex multilayer rigid and rigid-flex CCAs

  • Knowledge of engineering development processes for aero/defense industry, including designing and testing to ASTM, SAE, DO, MIL-STD-810

  • Experience being a lead within a cross-functional engineering team to develop prime mission equipment or test equipment through various stages of development cycles

  • A self-starter with Agile hardware development experience

  • Exceptional degree of ingenuity, creativity and resourcefulness.

  • Control account management experience

  • Experience with LRIP / FRP, specifically electronics manufacturing and test methodologies

  • Familiarity with AS9145 compliant processes

  • 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, Test Solutions Mechanical Lead

132065BR

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
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
This posting asks for a bachelor's degree; 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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