• System Operations / Administrator

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking a System Operations / Administrator with a background in managing and maintaining desktop computing environments to work ... hardware, software, and network-related issues. + Monitor system performance and security , ensuring compliance with organizational policies and best practices. +… more
    Noblis (07/02/25)
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  • Senior Network Operations

    Leidos (Lorton, VA)
    …The Multi Domain Solutions Division at Leidos is looking for a **Senior Network Operations Administrator ** to support a fast-paced program with the Air Force ... adhering to DoD standards and regulations. The **Senior Network Operations Administrator ** will ensure accounts for the...Experience in managing accounts across various platforms (eg, Windows, Linux , macOS) + Advanced knowledge of security more
    Leidos (06/17/25)
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  • Cyber Defense Systems Specialist ( Linux

    Black Bear Technology Solutions, LLC (Fort Belvoir, VA)
    …VA. This is a senior-level role requiring a deep understanding of Linux systems, automation, and cybersecurity operations in mission-critical environments. Role ... Title: Cyber Defense Systems Specialist ( Linux & Automation) Location: Fort Belvoir, VA (ONSITE)...Hat Certified Architect (RHCA) + Red Hat Certified Systems Administrator (RHCSA) + Red Hat Specialist in Security more
    Black Bear Technology Solutions, LLC (05/19/25)
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  • System Administrator (Remote)

    Koniag Government Services (Chantilly, VA)
    …diagnoses problems with these or with the behavior of network-attached computers. + A security administrator is a specialist in computer and network security ... three weeks paid time off, and more. The System Administrator will support AWS cloud-based migration and/or operations...one or more of these technologies is preferred: AWS, Linux , or Ansible ** Security Requirements:** + Applicants… more
    Koniag Government Services (05/01/25)
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  • Systems Administrator Senior (VMware)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    Administrator Senior** joining our team to support the US Army Intelligence and Security Command (INSCOM). **HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN ... and management of server virtualization, server provisioning, physical server maintenance, security compliance and daily operations + Manage VMware vSphere,… more
    General Dynamics Information Technology (05/27/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology (IT) Operations and ... and operations associated with DevSecOps in an enterprise environment Security Clearance: The position requires US Citizenship and an active DoD Top… more
    V2X (05/17/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …services and mission software capabilities in the areas of cyber, logistics, security operations , and decision analytics to support our defense and ... Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security ...of a program that oversees development, integration, delivery, and operations and maintenance of IT managed security more
    Leidos (06/30/25)
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  • Systems Administrator /Engineer…

    Shuvel Digital (VA)
    Description: We are looking for a Mid level Systems Administrator /Engineer that can come in to take ownership of day-to-day operations . You will partner with ... configuring, managing, and maintaining technologies/infrastructure in support our Cybersecurity Operations Center (CSOC) and its associated programs. You will… more
    Shuvel Digital (06/26/25)
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  • Senior Tenable Nessus Administrator

    CACI International (Chantilly, VA)
    …into the organization's infrastructure. **Responsibilities:** You will be a Senior Tenable-Nessus Security Administrator for the Engineering Operations team ... transition focus from IT operations to mission operations . As a Senior Tenable Administrator , you...of relevant experience). + Proven experience as a Nessus-Tenable Security Administrator or in a similar role,… more
    CACI International (06/24/25)
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  • Tanium Administrator

    CACI International (Chantilly, VA)
    …mission operations . **Responsibilities:** The candidate will be a Tanium Administrator who will configure, manage, and troubleshoot Tanium issues ensure the ... and saved questions + Develop and implement Tanium-based solutions for endpoint management, security , and operations + Configure and manage Tanium modules (eg,… more
    CACI International (05/23/25)
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