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Sustainment Engineer- (Mechanical)

Millennium Corporation
Millennium Corporation Salary
Stafford, VA Other
POSTED ON 4/26/2026
AVAILABLE BEFORE 4/24/2027

Overview

Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver results by expanding our technical depth, operational reach, and access to a broader bench of proven experts, ensuring our customers continue to receive best-in-class cybersecurity support.Since 2004, Millennium has operated at the forefront of cybersecurity. Our elite team of over 300 professionals brings an unmatched record of performance across Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. As home to the largest contingent of contracted Red Team operators supporting the Department of Defense, Millennium delivers unparalleled threat intelligence and battle-tested expertise to both DoD and federal civilian customers.

What We Believe

Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law.

Responsibilities

Millennium is hiring a Sustainment Engineer to join us for an on site position in Stafford, VA. An active secret clearance is required to qualify for consideration.

 

The Sustainment Engineer will:

 

  • Review, develop, and comment on technical documentation (requirements, CAD files, test plans/reports, technical review documents, engineering change documents).
  • Conduct technical analyses, and attend design and Engineering Change Proposal (ECP) reviews;Witness the integration of hardware onto the platforms and the execution of tests, and review test plans and reports;
  • Develop Informational Briefs and provide results of modification tasks.
  • Provide engineering and technical analysis on the mechanical systems of a vehicle or other complex systems.
  • Develop and comment on various engineering documents (Specifications, ICDs, ECPs, Test Plans/Reports, Engineering Analyses, DLA Form 339s).
  • Participate in the planning and execution of test events, to include reviewing and providing comment to test plans and reports.

Qualifications

  • Candidate must have an active secret clearance.
  • Bachelor's Degree in an Engineering field and a minimum of 4 years of experience.
  • Experience in providing systems engineering support to a defense acquisition program.
  • Experience in drafting, reviewed, and provided input to various technical documentation (DLA Form 339s, CAD files, ECP documents, test plans and reports, engineering processes and procedures, and technical review documents) to address sustainment issues and identify technical risks.
  • Experience participating in technical analyses, designing change reviews, and witnessing the integration of hardware onto the platform.

Business Development

Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews.

Physical Requirements

  • Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift up to 10-15 pounds at a time.

Travel Requirements

5%

Hourly Wage Estimation for Sustainment Engineer- (Mechanical) in Stafford, VA
$53.00 to $64.00
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