• Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (10/23/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …**WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER ... Active Secret clearance. **COMPETENCIES** + System provisioning & administration (Linux/ Windows ) + CNCF ecosystem tools & cloud-native environments + Patch &… more
    TekSynap (10/02/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position ... is CONTINGENT upon contract award** The System Administrator (SysA) as part of the Platform Team delivers...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux… more
    Nightwing (09/26/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... - Perform large scale configuration management and deployment across Windows , MacOS, Linux/Unix, and other operating systems ...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (08/28/25)
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  • EGIS System Administrator

    Intelligent Waves (Fort Belvoir, VA)
    **Overview** Intelligent Waves is seeking an **EGIS System Administrator ** to support the development and administration of ArcGIS Portal. This role is responsible ... designing, developing, and implementing new integrated geospatial capabilities. The Administrator will regularly collaborate with customers to gather portal… more
    Intelligent Waves (09/18/25)
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  • Network Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position ... is CONTINGENT upon contract award** The Network Administrator (NA) collaboratively works closely with the leadership, CPM/CPO,...+ Operating Systems : Familiarity with various operating systems ( Windows , Linux, macOS) and their networking… more
    Nightwing (09/26/25)
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  • Enterprise Logging Solution (ELS) Lead

    TekSynap (Ashburn, VA)
    …operations organization + Experience in an enterprise IT environment as an applications or systems administrator working in Windows and Linux environments + ... the analysis of the current logging capabilities. Ensure that systems within new and existing tools are compliant with...big data is preferred. **REQUIRED QUALIFICATIONS** + Clearance requirement: Secret ( Top Secret eligible) +… more
    TekSynap (09/02/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …clearance to be considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading ... environment certification. (DoD 8570 IAT Level II Computing Environment Cert) + Top Secret Clearance Saliense Consulting LLC provides equal employment… more
    Saliense Consulting (10/01/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/08/25)
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  • Customer Support Engineer

    Insight Global (Reston, VA)
    …Skills and Requirements -2-3 years' experience as a Systems Administrator -Experience working with Windows ... is for you. Every candidate must have an active Top Secret SCI with Full Scope Polygraph....24x7x365 across a myriad of shifts on site -Active TS SCI with Full Scope Polygraph -Microsoft or Office… more
    Insight Global (10/29/25)
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