Lead Mechanical Engineer; Engineer Mechanical

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Requisition Number:30650

Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt

Anticipated Salary Range:$-$

Security Clearance:

TS/SCI

Level of

Experience:

Senior

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5

ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5

ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you.

Mission Technologies, a division of HII, is growing and seeking a Lead Mechanical Engineer to join our team in Alexandria, VA. We build mission‑focused solutions for the defense and intelligence communities, combining advanced technology with hands‑on engineering. Our small, collaborative teams rapidly turn ideas into fielded hardware, making this an ideal environment for engineers who enjoy open‑ended problem solving and seeing their designs come to life.

As a Lead Mechanical Engineer
, you will support the planning, assessment, design review, modernization, and sustainment of mission‑critical facilities, HVAC systems, and building infrastructure for CONUS and OCONUS customers. You will apply your expertise to develop reliable, resilient mechanical systems that enable secure and high‑performance operations worldwide. This role combines technical depth, creativity, and close collaboration with multidisciplinary teams.

Your Impact

• Strengthen national security by supporting high‑reliability facilities and infrastructure.
• Take on complex engineering challenges involving secure environments, resilient systems, and mission‑critical operations.
• Grow your career within a collaborative team supporting projects of increasing scope and impact.

Provide mechanical engineering support for mission‑critical facilities, HVAC systems, and utility infrastructure.

Conduct mechanical analyses, feasibility studies, design reviews, and system evaluations.

Develop and review engineering drawings, specifications, calculations, and technical documentation.

Support installation, construction oversight, commissioning, troubleshooting, and sustainment of facility systems.

Prepare documentation for assessments, commissioning, testing, and as‑built conditions.

Contribute to lifecycle planning, modernization strategies, and reliability improvements for mechanical systems in CONUS and OCONUS environments.

• 9 years relevant experience with a Bachelor’s; 7 years with a Master’s; or 4 years with a PhD/JD.
• Active US TS/SCI with Polygraph.
• Experience with mechanical CAD tools, engineering documentation, and hands‑on assembly or construction.
• Ability to interpret drawings, specifications, calculations, design packages, and technical reports.
• Creativity and comfort with…