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System Administrator (Must currently have CI Polygraph) with Security Clearance
TEKsystems c/o Allegis GroupReston, VA🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Work Type
On Site
Level
Mid Senior
Job Description
**APPLICANTS MUST CURRENTLY HAVE CI POLYGRAPH** Title: • System Administrator Location:
• Reston, Virginia (ON-SITE) Clearance Required:
• Top Secret/SCI w/ CI Polygraph Certification Required:
• Security+ Years of Experience Required:
• 4+ Years Top Skills Required:
• System Administration: Linux & Windows
• Cybersecurity: ACAS, STIGs, Vulnerability Management, Splunk, Wireshark, IPS
• Enterprise Experience Job Description:
We are looking for a System Administrator with a TS/SCI w/ CI Polygraph to join our team. The ideal candidate will have experience in Linux and Windows operating systems in addition to Cybersecurity experience. • 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)
• Reston, Virginia (ON-SITE) Clearance Required:
• Top Secret/SCI w/ CI Polygraph Certification Required:
• Security+ Years of Experience Required:
• 4+ Years Top Skills Required:
• System Administration: Linux & Windows
• Cybersecurity: ACAS, STIGs, Vulnerability Management, Splunk, Wireshark, IPS
• Enterprise Experience Job Description:
We are looking for a System Administrator with a TS/SCI w/ CI Polygraph to join our team. The ideal candidate will have experience in Linux and Windows operating systems in addition to Cybersecurity experience. • 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)
Skills
Splunk
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