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Systems Administrator with Security Clearance

TEKsystems c/o Allegis GroupRichardson, TX🇺🇸United StatesPosted Sep 20, 2026

Why This Role Stands Out

This hybrid Systems Administrator role offers significant growth potential within a reputable organization, allowing you to develop expertise in secure, air-gapped infrastructures and contribute directly to mission-critical operations. If you possess a strong security mindset and a passion for technology, you'll thrive in this dynamic environment and be encouraged to apply.

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
Richardson, TX, United States
Posted
Yesterday
Active DirectoryJira

Job Description

The Digital Technology team is hiring Systems Administrator / Service Desk Coordinators for our Secure Labs support team. A minimum Active Top Secret (TS) clearance is required. Qualified candidates should have a passion for technology, a disciplined approach to security, and be excited about finding new ways to add value to our business and our mission partners.

  • You will serve as the primary technical interface for the program, providing hands-on Tier 1 support for Desktop, Networking, and Peripheral hardware.
  • You will manage the service flow using Jira Service Manager, resolving immediate issues and driving complex escalations to the broader ISSA team.
  • You will perform Continuous Monitoring (ConMon) and performance oversight to ensure system health and detect anomalies within an air-gapped environment.
  • You will perform "Low-to-High" data transfers and media management in strict accordance with JSIG and DFARS controls.
  • You will assist in the implementation of technical solutions and security hardening (STIGs/SCAP) for the projects you are assigned.
  • You will participate in the improvement of internal processes (CORE) to enhance security posture and operational efficiency.
  • You will provide support for the Tier 1 and Tier 2 infrastructure teams to ensure high up-time for mission-critical systems.
  • You will learn how to maintain and defend complex, air-gapped infrastructures under rigorous JSIG and NIST 800-53 frameworks.
  • You will foster relationships with your DT and Cybersecurity peers across the domestic US.
  • You will learn how to communicate technical risks and project status effectively to Engineering leadership.
  • You will learn how to apply your knowledge and personal skills to shape secure lab environments that have a loose or evolving set of requirements Qualifications:
University Degree and minimum 2 years prior relevant experience or an Advanced Degree in a related field or in absence of a degree, 6 years of relevant experience.
Active Top Secret (TS) Govt. Security Clearance.
Experience supporting technology in a professional environment, with a focus on:
Desktop & Server Support: Troubleshooting hardware, Windows 10/11, and local Active Directory.

Networking: Basic Layer 1/2 troubleshooting, cabling, and port security.

Ticketing Systems: Professional experience with Jira Service Manager or equivalent.
Active IAT Level II certification (e.g., Security+ CE).

Skills We Value

Experience working in JSIG, SAP, or SCIF environments.
Familiarity with Continuous Monitoring tools and vulnerability remediation (STIGs).
Strong "detective" mindset for troubleshooting in isolated environments without internet access.
Advanced technical certifications (Microsoft, Cisco, or CompTIA).

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