• 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 (12/04/25)
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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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  • Tier 2 Technician

    Leidos (Springfield, VA)
    **Description** **The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician** to support computer data communications systems, ... and organizing corresponding hardware and software combined solutions through network modeling. The job duties of the Tier...will support the installation and maintenance of the client LAN /WAN devices. + Respond to and resolve incident tickets.… more
    Leidos (12/03/25)
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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 (12/02/25)
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  • Help Desk Technician - Tier III - TS/SCI w.…

    General Dynamics Information Technology (Elkridge, MD)
    …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 (12/08/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …at Leidos** **has an opening for a** ** Network ** **Engineer (Campus Area Network /Local Area Network (CAN/ LAN ))** to support global enterprise networks. ... The CAN/ LAN service network architecture provides solutions for modernizing network ...Assurance Technical (IAT) Level 2. + Experience specific to network engineering to include Tier III or… more
    Leidos (12/09/25)
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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 with travel, VA (http://maps.google.com/maps?q=Lorton+VA+USA)...be responsible for providing senior level support for our network infrastructure, with a focus on LAN /WAN… more
    Virtual Service Operations (12/07/25)
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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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  • Secret Network Engineering Team Lead

    Insight Global (Fairfax, VA)
    …vendors, and ability to manage customer expectations - Provide classified and unclassified Tier 3 SME level leadership support for the design, implementation, ... datacenters, campus networks, Dynamic Multipoint Virtual Private Networks (DMVPN), Layer 2/ 3 , wireless networks, network applications installed on client… more
    Insight Global (11/15/25)
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  • Secret Sr. Network Engineer

    Insight Global (Fairfax, VA)
    Job Description - Provide classified and unclassified Tier 3 senior level support for the design, implementation, and deployment of network specific ... datacenters, campus networks, Dynamic Multipoint Virtual Private Networks (DMVPN), Layer 2/ 3 , wireless networks, network applications installed on client… more
    Insight Global (11/15/25)
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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 (12/03/25)
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  • Senior Network Engineer

    GovCIO (Fairfax, 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 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 (12/01/25)
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  • Network Engineering Team Lead

    GovCIO (Fairfax, 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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  • System Engineer

    TekSynap (Rockville, MD)
    …windows + Occasional floating shift coverage + Other tasks as assigned related to Tier 3 help desk support, system and database administration, computer and ... Weekly and Monthly advanced health checks of system, servers in a domain network and the LAN in its entirety + Advanced Health Checks on System and Servers to… more
    TekSynap (11/29/25)
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  • Installation Engineer

    TISTA Science and Technology (Hyattsville, MD)
    …administrative operations of the organization + Provides support to the Assistant Chief, Network Field Operations - LAN in coordinating and developing the ... the deployment of simple and some complex IT systems, network hardware and software and ensuring that systems are...on written and verbal instruction. + Knowledge of Cisco LAN 9500 and 9300s recommended. + Able to create… more
    TISTA Science and Technology (11/20/25)
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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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