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QinetiQ US

Principal Mechanical Engineer

Devens, MA, United States

The salary range for this role is $134,000- $175,000 USD.

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Job details

Pay: The salary range for this role is $134,000- $175,000 USD.
Apply by: Nov 5, 2027
Experience: 10+ years’ experience in mechanical design
Posting language: English
Posted: Nov 5, 2026

Original 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 staffing@us.QinetiQ.com 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.

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More about this job

Skills

Electronics
Documentation
Packaging
Dassault Systemes SolidWorks
Mechanical systems
Presentation skills
Assembly
Mechanical engineering
CFD
ICT system integration
Machining
Welding
Microsoft Excel
PTC Mathcad

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