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Salary
$98k – $163k per year
Location
In office (Stafford)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Oct 25, 2026. ManTech scores A on the Alion truth index.

Overview
Company
Impact
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ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.

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 seeks a motivated, career and customer-oriented Systems Engineer to support our contract under Portfolio Acquisition Executive Marine Corps out of Stafford, VA. This effort is in support of Program Manager Combat Support Systems, in the research, development, acquisition, and sustainment of cutting-edge critical infrastructure support systems and technology.

The purpose is to support the government team in conducting systems engineering reviews, development, test, and integration, to provide enhanced capabilities to the operating forces.

Job Responsibilities include but are not limited to:

  • Provide Systems Engineering support to fuel and water clients and relevant joint stakeholders to facilitate the delivery of equipment/systems.
  • Draft Engineer drawings for data packages.
  • Develop test plans or review test plans for environmental and transportability testing (i.e. MIL-STD-810).
  • Provide subject matter expertise in acquisition engineering best practices.
  • Develop, update, and maintain engineering documentation such as System Engineering Plans, Technical Review Action Plans, and Interface Control Documents.
  • Analyze technical problems; develop courses of action and present recommendations to leadership on solutions.
  • Support the execution of System Engineering Technical Reviews through documentation preparation, review of criteria, preparation and presentation of briefing material.
  • Support the Engineering Change Proposal process and complete the required forms.
  • Follow and provide support to the Test & Evaluation process for required performance verification.

Mandatory Qualifications:

  • Bachelor's Degree and at least 5 years of relevant systems engineering experience. An additional 2 years of experience may be substituted in lieu of degree.
  • Experience with requirements definition and traceability, formulating design methodology, documentation origination, systems integration and testing to verify required performance, or assessment of change proposals for technical merit.
  • Experience in CMPRO and/or configuration management software.
  • Familiarity with the Microsoft Office Suite (PowerPoint, Excel, Word and Project).

Preferred Qualifications:

  • Basic understanding of Defense Acquisitions.
  • Demonstrated ability to write technical documentation.
  • Familiar with SharePoint postings, downloading, team-building environment.
  • Knowledge of modeling based systems engineering practices and processes.

Clearance Requirement:

  • Must have a current / active DoD Secret Clearance

Physical Requirements:

  • This job is largely operated in a professional office environment
  • Ability to sit for extended periods of time
  • Travel 20-25%

The projected compensation range for this position is $98,000.00-$163,100.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

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 [email protected] and provide your name and contact information.

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