• CAN/ LAN Network Tier

    CACI International (Sterling, VA)
    CAN/ LAN Network Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... * * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide...architectures, ensuring high availability, scalability, and performance. + Provide Tier 3 technical support for CAN/ LAN more
    CACI International (10/25/25)
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  • CAN/ LAN Network Lead

    CACI International (Sterling, VA)
    network architectures, ensuring high availability, scalability, and performance. + Provide Tier 3 technical support for CAN/ LAN infrastructure, including ... CAN/ LAN Network Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular… more
    CACI International (09/04/25)
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  • Sr. Network Engineer (CAN/ LAN )

    Leidos (Chantilly, VA)
    …Sector at Leidos** is seeking a ** Network ** **Engineer (Campus Area Network /Local Area Network (CAN/ LAN ))** to support our global enterprise ... networks. The CAN/ LAN service network architecture provides solutions for modernizing network ...(IAT) Level 2 (Security+ CE) + Experience specific to network engineering to include Tier III or… more
    Leidos (09/26/25)
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  • Network Operations Center (NOC) Tier

    CACI International (Springfield, VA)
    Network Operations Center (NOC) Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... ongoing basis. Team CACI has an exciting and challenging opportunity available for a Network Operations Center (NOC) Tier 3 supporting an Intelligence… more
    CACI International (10/25/25)
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  • Network Engineer Tier 3

    CACI International (Springfield, VA)
    Network Engineer Tier 3 ... Engineer to support an Intelligence Community customer's diverse network infrastructure, including CAN, LAN , CORE, and ... and leadership to junior network engineers. Develop and implement network support processes for CAN/ LAN /WAN, ensuring compliance with relevant standards.… more
    CACI International (10/25/25)
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  • Systems Administrator - Tier 3

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program. ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4592/systems-administrator tier - 3 -support/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID** _2024-4592_ **Category**… more
    GovCIO (09/02/25)
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  • Help Desk Technician - Tier III - TS/SCI w.…

    General Dynamics Information Technology (Washington, DC)
    …Technical Support Services **Skills:** Computer Hardware,Hardware Troubleshooting,Troubleshooting **Experience:** 3 + years of related experience **US Citizenship ... HELP DESK TECHNICIAN WILL MAKE AN IMPACT: + Provides network monitoring during customer core hours with 24/7 on-call...Will be responsible to assist in managing and modernizing LAN cabling. + Maintaining and updating records and tracking… more
    General Dynamics Information Technology (09/11/25)
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  • Network Engineer

    Jacobs (Chantilly, VA)
    …a Jacobs Company, has an opening for a Network Engineer (Campus Area Network /Local Area Network (CAN/ LAN )) to support our government customer's global ... enterprise networks. The CAN/ LAN service network architecture provides solutions for...(IAT) Level 2 (Security+ CE) * Experience specific to network engineering to include Tier III or… more
    Jacobs (11/07/25)
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  • Cleared Network Engineer

    Virtual Service Operations (Lorton, VA)
    …configurations, management, and Azure networking. You will handle tier 3 engineering escalations and troubleshooting, monitor network health, provide ... Cleared Network Engineer* Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you...be responsible for providing senior level support for our network infrastructure, with a focus on LAN /WAN… more
    Virtual Service Operations (09/29/25)
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  • Sr. Network Engineer/Architect SME

    Leidos (Fort Belvoir, VA)
    …work.** **Anticipated Starting Salary Range: $185,000 to $205,000** **Primary Responsibilities:** + Execute Tier 2 & 3 network operations functions to ensure ... to common IT infrastructure networking in the areas of LAN , WAN, TCP/UDP, Dual stack IPv4/IPv6, IPSec, VPN, and...Experienced and comfortable with conducting technical troubleshooting to resolve Tier 2 & 3 network more
    Leidos (10/21/25)
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  • Telecommunications Network Engineer

    TekSynap (Fort Belvoir, VA)
    …voice networks, LAN and WAN data networks, wireless networks, and network management systems to support voice, data, video, and wireless services. + Develop ... implement network services. **REQUIRED QUALIFICATIONS** + Secret - IT-I ( Tier 5/SSBI) Critical Sensitive Clearance + Relevant certification from a nationally… more
    TekSynap (11/07/25)
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  • Wi-Fi Network Engineer III

    Epsilon, Inc (Washington, DC)
    …repairs and/or installations of network components and provide top level ( Tier 3 ) technical support to customers and all service-related problems. In ... of technical manuals, operating procedures, and other support documentation. + Provide Tier 3 technical support and troubleshooting for client/user support. +… more
    Epsilon, Inc (11/07/25)
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  • Voice Network Engineer

    SAIC (Washington, DC)
    …enterprise class switching. Required to install, troubleshoot, repair, and maintain Cisco VOIP/ Network equipment on the LAN /WAN, test and turn up data circuits, ... experience in lieu of degree. + 10 years IT network engineering support experience ( Tier II, ...SCI.Must have held an SCI clearance within the past 3 years. **Desired Experience/Skills/Attributes:** + ITIL (R) Foundation certification.… more
    SAIC (09/10/25)
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  • Senior Network Engineer

    GovCIO (Arlington, VA)
    … Engineer with an active Secret clearance to provide classified and unclassified Tier 3 senior level support for the design, implementation, and deployment ... and will be a hybrid position. **Responsibilities** + Provides classified and unclassified Tier 3 senior level support for the design, implementation, and… more
    GovCIO (10/28/25)
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  • Network Implementation Engineer

    Leidos (Chantilly, VA)
    …with DoD 8140 Information Assurance Technical (IAT) Level 2. + Experience specific to network engineering to include Tier III or higher network operations ... history and education. This equates to a Doctorate and 3 years, master's and 4 years, bachelor's and 6...Area Networks (VLANs), 802.1q, and port-channels. Desired Qualifications: + Network engineering and design experience specific to CAN/ LAN more
    Leidos (11/15/25)
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  • Network Administrator II - Shift 2B

    CACI International (Springfield, VA)
    Network Administrator II - Shift 2B Job Category:...(10pm to 6am Tuesday - Saturday) **Responsibilities:** + Provide Tier 2 and Tier 3 ... to 10% Type of Travel: Local * * * **The Opportunity:** The Network Administrator will provide support for implementation, troubleshooting and maintenance of IT… more
    CACI International (10/30/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    Network Administrator II EOE Statement We are an equal employment...architecture and devices. What You'll Get to Do: + Provide Tier 2 and Tier 3 problem ... characteristic protected by law. Description WCBinc is looking for a Network Administrator to provide support for implementation, troubleshooting and maintenance of… more
    William C Brown Inc (09/01/25)
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  • Master Network Specialist (Local IT Support…

    First Division Consulting (Quantico, VA)
    …manage network capacity, performance, and security for both NIPRNET and SIPRNET tier 2 and 3 boundaries, ensuring compliance with MCCOG policies and ... the FirstDiv team! First Division Consulting is seeking a highly skilled Master Network Specialist (Local IT Support Lead) to support the United States Marine Corps… more
    First Division Consulting (10/16/25)
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  • Network Engineering Team Lead

    GovCIO (Arlington, VA)
    …to manage customer expectations. Technical requirements include: Provide classified and unclassified Tier 3 SME level leadership support for the design, ... datacenters, campus networks, Dynamic Multipoint Virtual Private Networks (DMVPN), Layer 2/ 3 , wireless networks, network applications installed on client… more
    GovCIO (10/28/25)
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  • Cybersecurity Analyst - Evenings

    ManTech (Vienna, VA)
    …supporting Security Detections Development + Experience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) Teams + Experience ... response tickets within case management tooling. + Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for… more
    ManTech (11/15/25)
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