Senior Defense Mechanical Systems Engineer

Mlt-Systems; Virginia (MN); On-site; USD 90,000 - 110,000; Full time

Job summary

MLT Systems is seeking a Mechanical Systems Engineer to support the PM AAA within the ACV and AAV Sustainment Team in Stafford, VA. The role requires mechanical systems proficiency and familiarity with defense acquisition and engineering change processes.

The ideal candidate has 4–6 years of experience in mechanical or systems engineering, a Bachelor’s in engineering (Master’s preferred), an Active Secret clearance, and hands-on experience with design reviews, integration, testing, and

Qualifications

• Bachelor’s degree in mechanical engineering or related discipline (Master’s preferred).
• Experience navigating the full life cycle of defense acquisition systems — from requirements through validation and sustainment.
• Strong analytical thinking and technical communication across technical and managerial domains.
• Ability to work independently and collaboratively within multidisciplinary teams.
• Active Secret clearance required to participate in classified program activities.

Responsibilities

• Review, analyze, and develop technical documentation to support engineering change proposals and sustainment objectives.
• Conduct detailed technical analyses and participate in design and Engineering Change Proposal (ECP) reviews.
• Witness hardware integration onto AAV/ACV platforms and observe test execution.
• Review test plans and reports to ensure accuracy and completeness.
• Develop informational briefs and present results to government stakeholders in support of program schedules.

Skills

Mechanical design

Engineering analysis

Technical communication

System integration

Defense acquisition

Education

Bachelor's degree in mechanical engineering

Master's preferred

Tools

SolidWorks

AutoCAD

Job description

MLT Systems is seeking a Mechanical Systems Engineer to support the PM AAA within the ACV and AAV Sustainment Team in Stafford, VA. The role requires mechanical systems proficiency and familiarity with defense acquisition and engineering change processes.

The ideal candidate has 4–6 years of experience in mechanical or systems engineering, a Bachelor’s in engineering (Master’s preferred), an Active Secret clearance, and hands-on experience with design reviews, integration, testing, and