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Principal Mechanical Engineer

QinetiQ

Devens, MAJob$134–175K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$134–175K/yr
Location
Devens, MA
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

QinetiQ US seeks a Principal Mechanical Engineer to lead design, development, analysis, and maintenance of military and commercial hardware. The role supports products including maritime electronic equipment, robotic ground vehicles, and vehicle autonomy hardware. The engineer will evaluate design changes, oversee design tasks, and review and approve documentation at the Devens facility, while supporting both Devens and Franklin facilities.

Skills & qualifications

RequiredNice to have

Skills

Electromechanical DesignSolidworksCREOANSYS WorkbenchExplicit and Implicit ModelingDesign for ManufacturabilityTolerance AnalysisProject EngineeringTechnical LeadershipStructural AnalysisThermal AnalysisCFD AnalysisMaritime Systems DesignRobotic Systems DesignSystem IntegrationDesign Team LeadershipSheet Metal FabricationMachining ProcessesStage-Gate ProcessesDesign Cycle ProcessesWelding StandardsEngineering Change ProcessingAnalytical ModelingExcelMathCADForced and Free ConvectionStructural SystemsDoD Shock and VibrationSystem Dynamics

Qualifications

10+ Years Mechanical Design ExperienceDoD Security ClearanceMaster's in Mechanical Engineering

Full job description

Company Overview

We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR).

QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all work together to explore new ways of protecting the American Warfighter, Security Forces, and Allies. Being a part of QinetiQ US means being central to the safety and security of the world around us. Partnering with our customers, we help save lives; reduce risks to society; and maintain the global infrastructure on which we all depend.

Why Join QinetiQ US?

If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. In our diverse and inclusive environment, you can be authentic, feel valued, be respected, and realize your full potential. QinetiQ US will support you with workplace flexibility, a commitment to the health and well-being of you and your family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives.

Position Overview

QinetiQ US is seeking a highly motivated Principal Mechanical Engineer, who will be responsible for the design, development, analysis, and design maintenance of military and commercial hardware products. Products include ruggedized military electronic equipment for maritime applications, robotic ground vehicles, vehicle autonomy hardware and ground robots. Acting as a technical lead supporting existing and new products, the candidate will evaluate design changes, perform design and analysis tasks, plan and oversee design tasks, review and approve design documentation at our Devens, MA facility.

Responsibilities

  • Electromechanical design, layout, modeling and production support of electro-mechanical assemblies and electronics packaging (using Solidworks and/or CREO).

  • Analysis of complex mechanical systems via ANSYS Workbench implementing both explicit and implicit modeling to study vibration, shock, fluids, Fluent, structural loading, and thermal responses / performance of the system.

  • Implement Design for Manufacturability (DFM) practices.

  • Create/update detailed designs and drawings for fabrication.

  • Interface with customers and vendors on a project engineering level.

  • Writing design specifications, reports, and proposals.

  • Presenting technical internal and customer presentations.

  • Perform tolerance analysis, check and approve detail designs and drawings

  • Provide technical guidance to vendors and manufacturing in the build of DoD electromechanical assemblies.

  • Disposition discrepant material, author fabrication deviations for suppliers, support assembly personnel in support of manufacturing military electronic equipment.

  • Must support both Devens and Franklin facilities.

  • Must be able to obtain and maintain a DoD Security Clearance if required.

Required Qualifications

  • Bachelor's degree in Mechanical Engineering

  • 10+ years' experience in mechanical design

  • Direct project engineering or technical lead experience managing design tasks

  • Experience with ANSYS performing structural, thermal and CFD Analysis

  • Design of maritime systems and hardware

  • Design of robotic systems and hardware

  • Capable of following mechanical programs from inception through system integration

  • Capable of leading design teams of up to 6 engineers/designers

  • Knowledge of sheet metal fabrication, machining processes

  • Knowledge of stage-gate and design cycle processes

  • Experience with welding standards and practices.

  • Experience in processing Engineering Changes to documentation on DoD programs.

  • Must be able to obtain and maintain a DOD Security Clearance

Preferred Qualifications

  • Ability to develop analytical models for both forced and free convection systems in Excel or MathCAD.

  • A strong understanding of structural systems, DOD shock/vibration and system dynamics is desired.

  • Master's or higher level degree in Mechanical Engineering

Pay Transparency

The salary range for this role is $134,000- $175,000 USD. The salary range provided is a good faith estimate representative of all experience levels. QinetiQ US considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Company EEO Statement

Accessibility/Accommodation:

If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process, please send an e-mail to [email protected] or call (540) 658-2720 Opt. 1 and let us know the nature of your request and contact information.

QinetiQ US is an Equal Opportunity Employer. All Qualified Applicants will receive equal consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

How this job compares

Set against the 7,661 open Mechanical Engineer jobs on Olive Jobs, counted November 8, 2026.

Pay
  • This posting$134–175K/yr
  • Massachusetts median$110–165K/yr205 salary ranges
  • US median$106–160K/yr4,639 salary ranges

This range's midpoint, $155K, is 11% above the Massachusetts median midpoint ($139K) — in the middle half of Mechanical Engineer salary ranges in Massachusetts.

Openings
Olive Jobs lists 263 open Mechanical Engineer jobs in Massachusetts and 7,661 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Massachusetts
Experience
This posting asks for at least 10 years of experience — more than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,381 postings).
Education
This posting asks for a bachelor's degree; 5,239 of the 7,661 open Mechanical Engineer jobs (68%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 8, 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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