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System Administrator Security Clearance

Job in Warminster, Bucks County, Pennsylvania, 18974, USA
Listing for: TEKsystems c/o Allegis Group
Full Time position
Listed on 2026-02-20
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: System Administrator with Security Clearance
Location: Warminster

Title:

System Administrator

Location:

Warminster, Pennsylvania (ON-SITE)

Clearance Required:

Top Secret/SCI Certification

Required:

Security+ Top

Skills Required:

• This role is for a Sys Admin with a "cyber flair" -- meaning the candidate will mainly be responsible for Sys Admin duties, but will have a background in one of the following areas: ISSO, ISSM, cybersecurity, cyber engineering, or cyber analysis... and take on some cyber responsibilities that would normally be outside of the scope of a Sys Admin
• 5+ years of experience administrating operations systems (Linux, Windows) and basic network infrastructure skills
• Should have 5+ years experience with Linux, LDAP, and enterprise storage or systems management (SCCM/puppet/etc.) (VMWare and high level networking skills/experience helpful)
• Adept at building working relationships and communicating with researchers and leadership (the sys admin will be the liaison for IT, working with leadership and PI's independently, and communicating back to the core team)

Responsibilities Include:

• Administration of various operating system distributions; support server and network infrastructure

• Oversee the installation and configuration of systems to comply with Government regulations

• Implement system and software testing

• Respond and evaluate system and network security incidents

• Maintain and update documentation for systems and networks

• Evaluate potential equipment components and software

• Present system and network security principles and technology solutions to diverse audiences

• Routinely interact with other Information Technology professionals

• Provide specialized guidance and customer support to staff and customers
• This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)

• Because an active or interim DoD clearance is required, U.S. Citizenship is required o Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms.  If eligible, the benefits available for this temporary role may include the following:
 Medical, dental & vision
 Critical Illness, Accident, and Hospital
 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
 Life Insurance (Voluntary Life & AD&D for the employee and dependents)
 Short and long-term disability
 Health Spending Account (HSA)
 Transportation benefits
Employee Assistance Program
 Time Off/Leave (PTO, Vacation or Sick Leave)
Position Requirements
5+ Years work experience
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