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Senior IT Systems Engineer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: ManTech
Full Time position
Listed on 2026-02-14
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Overview

MANTECH seeks a motivated, career and customer-oriented Senior IT Systems Administrator to join our team in Chantilly, VA
.

Responsibilities
  • Providing end-user support to personnel utilizing ITD IT systems.
  • Triaging help desk tickets for a broad range of service requests to include file transfers, assistance with desktops and peripheral equipment, account management, and other user-focused incidents.
  • Installation, accountability, maintenance, and decommission of physical desktop, data center equipment and other IT assets.
  • Performing general operations & maintenance for COTS/GOTS hardware and software.
Minimum Qualifications
  • Bachelor’s degree and 7+ years of relevant experience in information technology.
  • In lieu of a Bachelor’s:
    Associate’s degree and 10+ years of relevant experience in information technology.
  • Current DoD 8570 IAT II certification (Security+, SSCP, or equivalent) or ability to obtain one within 180 days.
  • Experience with Windows and Linux operating systems.
  • Experience providing help-desk end-user support for common desktop and server issues.
  • Experience installing and configuring physical equipment.
  • Ability to provide technical support in the management of networks, software, hardware, configurations and architectures.
  • Experience and ability to perform software installations and upgrades to operating systems and layered software packages.
  • Experience with Intelligence Community Directive (ICD) 503 and system Assessment and Authorization (A&A) procedures/processes.
  • Experience writing clear, concise, and user-friendly technical and training manuals or similar documentation.
Preferred Qualifications
  • Bachelor’s degree in Computer Science, Systems Engineering, or other IT-related discipline.
Clearance Requirements
  • Must have a current/active TS/SCI with Polygraph.
Physical Requirements
  • Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.

MANTECH International Corporation 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  and provide your name and contact information.

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Position Requirements
10+ Years work experience
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