×
Register Here to Apply for Jobs or Post Jobs. X

Tier II Linux Administrator - TS​/SCI Polygraph

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-07-20
Job specializations:
  • IT/Tech
    Unix/Linux, Systems Administrator
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below
Position: Tier II Linux Administrator - TS/SCI with Polygraph

Role Overview

Seize your opportunity to make a personal impact as a Tier II Linux Administrator supporting our intelligence customer. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. This role ensures today is safe and tomorrow is smarter. The position requires a TS/SCI cleared professional to support or intelligence customers in Springfield, VA.

Responsibilities
  • Provide Tier II support maintaining multiple large enterprise environments.
  • The supporting infrastructure includes multiple Microsoft-based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) operating environment.
Why It Might Be a Fit
  • Active Directory Administration, DNS, DHCP, DFS, LDAP in a Windows or Linux environment.
  • Windows 10, Server 2012, Server 2016.
  • Application troubleshooting (Outlook, Excel, Word, JAVA, Internet Explorer, Firefox).
  • Linux operating systems as a server or desktop (RHEL 6/7/8, CentOS 6/7/Stream, Scientific Linux 6/7, Fedora).
  • Samba and NFS file sharing protocols.
  • Service Now, NETS or other ticketing processes, ITIL v3 or higher.
Qualifications
  • Bachelor's Degree in Computer Science, Engineering or a related technical discipline, or equivalent education, training, or experience.
  • 8+ years of related systems administration experience.
  • TS/SCI with Polygraph required.
  • Valid DoD Information Assurance (IA) Certification:
    CompTIA Security+ CE, SSCP or CCNA-Security. Preferred:
    CompTIA Security+ CE.
  • Must complete DoD 8570 Computing Environment (CE) Training within six (6) months of hiring.
Benefits
  • Comprehensive benefits and wellness packages.
  • 401K with company match.
  • Competitive pay and paid time off.
  • Full flex work weeks.
  • Paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
  • Short and long‑term disability benefits.
  • Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance.
#J-18808-Ljbffr
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary