• Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * **The Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the… more
    CACI International (12/27/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining robust and ... our core operations. This includes the maintenance of our VoIP DHCP services and our Red Hat Identity Management...Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8 and RHEL9. Additional… more
    Leidos (12/20/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • Sr. Network Administrator - TS required

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Summary The Navy Integrated Training Environment (NITE) Network Administrator is responsible for operating, maintaining, and troubleshooting network ... circuit issues, equipment failures, router and switch configurations, firewall ACLs, VoIP device registration, and cryptographic device configuration and keying. You… more
    Huntington Ingalls Industries (12/20/25)
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  • Systems Administrator (Tier 2 Desktop…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to join our team...print, fax and scan devices, secure tablets and laptops, VoIP devices, Desktop VTCs (DVTCs), removable media, and associated… more
    William C Brown Inc (11/13/25)
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  • NITE Network Administrator

    Huntington Ingalls Industries (Virginia Beach, VA)
    …for a short video: https://vimeo.com/732533072 Summary The NITE Network Administrator is responsible for operating, maintaining, and troubleshooting network ... including WAN circuits, equipment failures, router/switch configurations, firewall ACLs, VoIP device setup, and cryptographic device/keying material. + Coordinate… more
    Huntington Ingalls Industries (12/23/25)
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  • Location Support Center Lead

    ManTech (Warrenton, VA)
    …networks, VoIP phones, and/or audio/video equipment. + Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA) Certification. + ... systems, installations, desktop technologies, corporate applications, access administration, and voice and video infrastructure. + Demonstrated ability managing teams… more
    ManTech (12/31/25)
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  • Corporate Enterprise Network Engineer - Senior

    TekSynap (Fort Belvoir, VA)
    …Operations including network computer defense and situational awareness + DISN Video Teleconferencing over NIPR & SIPR + VOIP considering DISA Switched Network ... the following protocols and services for both IPv4 and IPv6: + OSPF, Multi- Protocol BGP, MPLS (L2VPN, L3VPN, VPWS, TE, CSC), Multicast (MSDP, PIM-SM, PIM-SSM,… more
    TekSynap (12/05/25)
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  • Helpdesk Support Services Specialist - Senior

    Chenega Corporation (Fort Belvoir, VA)
    …policy or network. + Resolve service requests and user incidents for VoIP through remote administration actions (troubleshooting, repairing) that do not require ... but not limited to Microsoft Office Professional, Microsoft Outlook, Internet Explorer, Adobe Acrobat Professional, Tumbleweed Desktop Validator, and Active… more
    Chenega Corporation (12/01/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …knowledge and skills + Securing and monitoring enterprise level Cisco network, VOIP , and VTC devices + Administering, securing and monitoring enterprise level ... + Certified Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator *Click here to read more about how we protect your… more
    Assertive Professionals (10/09/25)
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