• Csos III / Tier 3

    CACI International (Springfield, VA)
    CSOS III / Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... Travel: Local * * * **The Opportunity:** Candidate will provide CSOC Tier 3 services, which is 24x7x365 coordination, execution, and implementation of all… more
    CACI International (10/15/25)
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  • CSOC Tier 3 Engineer

    General Dynamics Information Technology (Springfield, VA)
    …**US Citizenship Required:** Yes **Job Description:** Candidate will provide Expert CSOC Tier 3 services, which is 24x7x365 coordination, execution, and ... containment, eradication, and recovery measures for events and incidents. CSOC Tier 3 services includes malware and implant analysis, and forensic artifact… more
    General Dynamics Information Technology (11/13/25)
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  • Tier 3 Technical Support Specialist

    ASM Research, An Accenture Federal Services Company (Richmond, VA)
    …. + _System Monitoring, triage, research, resolution (via SOP) or escalations of tickets to Tier 3 Analysis of ticket types and categories to identify trends and ... . + _Partner with the National Service Desk (NSD) Tier 1 & 2 team and personnel on other...application development teams to work on issues escalated to Tier 3_ . + _Adhere to the defined incident… more
    ASM Research, An Accenture Federal Services Company (12/06/25)
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  • CAN/LAN Network Tier 3

    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 Type: ... Local * * * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting and maintenance of IT networks.… 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 ... Travel: Local * * * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident response. This position… more
    CACI International (11/21/25)
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  • Tier 3 Network Administrator

    CACI International (Reston, VA)
    Tier 3 Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... (WAN), Unified Communication (UC), Video telecommunication and Streaming services. As a Tier 3 Network Administrator, you'll be challenged with hard complex… more
    CACI International (12/11/25)
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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 ... exciting and challenging opportunity available for a Network Operations Center (NOC) Tier 3 supporting an Intelligence Community customer's wide-area (WAN),… 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 (12/02/25)
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  • Network Engineer Tier 3

    CACI International (Springfield, VA)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network… more
    CACI International (10/25/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    CORE/WAN Network - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... of Travel Required: Up to 10% Type of Travel: Local * * * **The Opportunity:** Team CACI has an exciting and challenging opportunity available for a Network Designer supporting an Intelligence Community customer's CORE/wide-area (WAN), networks across multiple… more
    CACI International (10/25/25)
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