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Mechanical Engineer

Job in Lorton, Fairfax County, Virginia, 22199, USA
Listing for: QinetiQ U.S.
Full Time position
Listed on 2026-05-22
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Manufacturing Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Mechanical Engineer

Job Location:

US-VA-Lorton

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).

Qineti

Q 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 Qineti

Q 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.

Position Overview

Qineti

Q is seeking a highly motivated candidate who will be responsible for the mechanical design and development of ruggedized military hardware products within a multidisciplinary engineering team. Products include electro-optical and electromechanical soldier-borne systems, ground-based systems, and airborne systems.

The ideal candidate would be proficient using 3-D Solid Modeling software (Solid Works preferred), have experience with metal fabrication design, electromechanical hardware design, various analysis and manufacturing techniques, and geometric dimensioning and tolerancing. The position will also be “hands-on” to support and troubleshoot mechanical design and product issues related to various DOD pre-production and production programs. Travel will be required to support some programs, estimated at 25 %.

Responsibilities
  • Act as a matrix engineer on multiple projects, conceptualizing systems, identifying and executing design tasks, and preparing design documentation to deliver a system that meets customer requirements, schedule, and budget.
  • Design hardware products using 3D CAD modeling tools.
  • Electro-optical design, layout and modeling of electromechanical assemblies, and assorted ruggedized military hardware.
  • Support and troubleshoot mechanical design and product issues related to various DOD pre-production and production programs.
  • Perform basic tolerance stack-up analysis.
  • Document designs, assemblies, testing, and maintenance activities within Qineti

    Q’s product data management system.
  • Interface with vendors and identify sources of supply for critical fabrication items.
  • Create detail designs and drawings for fabrication.
  • Interface with customers on a project engineering level, on-site and off-site.
Required Qualifications
  • Mechanical Engineering BS (or equivalent).
  • 3+ years’ experience in mechanical design throughout all aspects of a product lifecycle.
  • Knowledge of metal fabrication and machining processes, including design techniques, tools, and principles involved in production of precision technical plans, drawings, and models.
  • Knowledge of additive manufacturing.
  • Experience creating and working with formal design/development processes.
  • Must have experience with 3D CAD modeling tools.
  • Experience with PTC Creo or Solid Works design tool.
  • Must have experience with creation of detailed engineering drawings with geometric tolerancing (ASME Y14.5).
  • Must demonstrate excellent verbal and written communication skills.
  • Experience with MS Outlook, Word, Excel, and PowerPoint.
  • Willing and able to travel for work (estimated 25 %).
  • Must have active Secret or higher level clearance.
Preferred Qualifications
  • Experience in Solid Works 3D modeling and analysis software.
  • Experience in Windchill Product Data Management software.
  • Experience in Model Based Definition.
  • Experience in hand calculation analyses; structural or thermal finite element analysis (FEA); computational fluid dynamics (CFD).
  • Experience in additive manufacturing design, methods, and materials.
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  or call  Opt. 1 and let us know the nature of your request and contact information.

Qineti

Q 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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