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General information

Requisition #
R69000
Locations
USA-VA-Stafford
Posting Date
06/29/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH is seeking a motivated, customer-oriented Senior Systems Engineer to help support our current Marine Corps Contract in Stafford, VA. This engineer will be acquisitions-focused and will support the government's Model Based Systems Engineering initiatives.

Responsibilities include but are not limited to:

  • Provide technical expertise in research and development, acquisition and sustainment of innovative tactical intelligence collection, processing, and dissemination equipment.

  • Support engineering activities and programmatic milestones through the development and review of engineering documentation (System Engineering Plans, Test and Evaluation Master Plans, Interface Control Documents, System Specifications, etc.) and requirements documentation, system engineering technical review (SETR) briefing materials, configuration management activities and program schedules.

  • Provide technical support, coordination, and recommendations to the Government Project Office using general systems engineering, system design, system development life cycle principles and/or requirements analysis.

  • Support the government’s Model Based Systems Engineering and Digital Engineering initiatives.

  • Support and participate in systems engineering technical reviews (systems requirements review, preliminary and critical design reviews, integration readiness review, and system acceptance review) through documentation preparation, review of criteria, and preparation of briefing material.

  • Performs system/subsystem definition, preliminary and detailed design, design implementation, system/subsystem integration, and tests for a system/subsystem efficacy and conformity.

  • Interface with the Program Office to manage engineering tasks, provide subject matter expertise in acquisition engineering best practices, and analyze technical problems; develop courses of action and present recommendations to leadership on solutions.

  • Must have the ability to travel up to 10%.

Minimum Qualifications:

  • Bachelor’s degree and at least 5 years of related experience supporting DoD programs in mission systems engineering. An additional 2 years of experience may be substituted in lieu of degree.

  • Experience with DoD 5000 processes and requirements. 

  • The experience should show increasing responsibility in MBSE and DE environments, development or maintenance of software, system development, system design, and/or information networks.

Preferred Qualifications:

  • Prior Military experience (enlisted or officer)

  • Knowledge of DoD / USMC garrison and tactical environments.

  • DAU Engineering Level I or higher certification

  • Knowledge of systems development lifecycle, network/systems design and implementation, virtualization and cloud technologies.

  • Agile Scrum Master

Clearance Required:

  • Must have an active DoD TS/SCI Clearance

Physical Requirements:

  • Sedentary Work.


MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.