• System Administrator

    Chenega Corporation (Oakton, VA)
    …10% of time. Skills and Experience + Demonstrate directly related experience in Tier II and Tier III support . + 4+ years' experience with Installing, ... core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join...relevant experience. + A minimum of a IAT Level II (DoD 8570.1M) certification is required: eg GSEC; Security+… more
    Chenega Corporation (11/12/25)
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  • Senior Systems Analyst

    ManTech (Chantilly, VA)
    …. The position is **onsite** . **Responsibilities include, but are not limited to:** + Providing Tier II IT Systems support on a wide range of technologies, ... to 10% **Minimum Qualifications:** + Bachelor's degree and 5+ years of Systems Support and/or Administration experience; an Associates degree with 7+ years or a High… more
    ManTech (10/29/25)
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  • Csos III / Tier 3

    CACI International (Springfield, VA)
    …and forensic artifact handling and analysis. When a CIRT is stood up, all contractors in support of CSOC Tier 3 services will be under the direct control of, and ... CSOS III / Tier 3 Job Category: Information Technology Time Type:...polygraph * DoDD 8140.01 and DoD 8570.01-M IAT Level II and CSSP Incident Responder. * Provides input to… more
    CACI International (10/15/25)
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  • SMIT Service Desk RDM Tier 2 Technician…

    Leidos (Norfolk, VA)
    …for an experienced technician to work in our Norfolk, VA office. This team provides Tier I and II technical software, hardware and network problem resolution for ... solutions or may provide expertise to solve first and second tier technical support issues for end-users of the organization's products and services. Primary… more
    Leidos (12/05/25)
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  • Tier 1 Help Desk Analyst

    Chenega Corporation (Arlington, VA)
    …smallest possible impact on the business activity of the organization's end user(s). + Provides tier 1 support to end users for either PC, server, or mainframe ... known issues quickly. + Familiar with ticket escalation to tier 2 support or other specialized teams,...+ 3+ years relevant experience + DoD IAT Level II Certification is required. + DoD Secret Clearance is… more
    Chenega Corporation (12/06/25)
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  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Mid-Level Tier III Administrator to provide support to Defense Information Systems ... in Fort Meade, MD or Chantilly, VA.** **The Tier III support team provides daily coverage,...clearance.** **Certification:** **CompTIA Security+ or similar for IAT Level II DoD 8570 certification** **Experience: 6** **+ years of… more
    General Dynamics Information Technology (12/11/25)
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  • CAN/LAN Network Tier 3

    CACI International (Sterling, VA)
    …of Travel: Local * * * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting and maintenance of IT ... network architectures, ensuring high availability, scalability, and performance. + Provide Tier 3 technical support for CAN/LAN infrastructure, including… more
    CACI International (10/25/25)
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  • Cyber Security Operations Specialist III…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in...polygraph + DoD 8140.01 and DoD 8570.01-M IAT Level II and CSSP Incident Responder certification + Willing to… more
    CACI International (11/21/25)
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  • Primary Technical Control Facility Lead

    Competitive Range Solutions, LLC (Arlington, VA)
    …transport equipment and networks, and ensure compliance with security standards. + Oversee 24x7x365 Tier I and II maintenance support on all TCF equipment, ... to assist in directing and managing the program's executive support group. The candidate must reference their ability and...management. + Must have knowledge of operating and maintaining Tier 2 Tech Control Helpdesk. + Ability to provide… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation tier (s) for the Server O&M team providing ... obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations and… more
    V2X (11/15/25)
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