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Senior Systems Administrator

MANTECHChantilly, VA🇺🇸United StatesPosted Sep 28, 2026

Why This Role Stands Out

This role offers a fantastic opportunity to advance your systems administration career within a reputable company, MANTECH, where you'll gain valuable experience maintaining critical infrastructure and contributing to impactful projects. You'll thrive here if you possess strong troubleshooting skills, a customer-focused approach, and a desire to continuously develop your technical expertise in a supportive team environment. Apply today to join a dynamic team and elevate your professional journey!

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Chantilly, VA, United States
Posted
3 weeks ago

Job Description

Senior Systems Administrator | Chantilly, VA, United States | On-site

We are seeking a skilled Senior Systems Administrator for a leading technology services company that provides innovative solutions to government and commercial clients. Join a dynamic team focused on delivering critical IT support and optimizing system performance.

The Role

  • Maintain and troubleshoot Windows servers, workstations, and peripherals.
  • Provide Windows system administration, including account management, software installation, and system monitoring.
  • Manage domain controllers, file servers, and application servers.
  • Receive and triage customer incidents using a ticketing system, following standard operating procedures.
  • Perform remote troubleshooting and escalate unresolved issues effectively.
  • Engage with customers and ensure proper incident closure.

What You'll Need

  • Bachelor's Degree in IT, Cybersecurity, Data Science, Information Systems, or Computer Science with 4+ years of experience, or 8+ years of experience as a Systems Administrator.
  • DoD 8570 IAT Level II certification (e.g., Security+).
  • Experience with network troubleshooting.
  • Knowledge of system security, data backup/recovery, and network monitoring.
  • Must possess a current/active Top Secret-SCI clearance adjudicated within the last 6 years.

What's On Offer

  • Opportunity to work with cutting-edge technology.
  • Contribute to impactful projects for significant clients.
  • Professional development and growth opportunities.
  • Collaborative and supportive work environment.

Apply via Haystack today!

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