• Senior SaaS Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior SaaS Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to help us...for SaaS inventory (shadow IT included), integrating procurement, SSO/IDP, network /DNS/forward proxy, CASB/SSE, SSPM, and expense data. + Define… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Senior Circuit Engineer

    TekSynap (Arlington, VA)
    … network issues in a timely manner. + Knowledge of IP and optical network operation. + Utilization of monitoring tools to provide both reactive and proactive ... + Lead the design, implementation, and optimization of complex network circuits to meet performance and reliability requirements. +...a Top Secret/SCI clearance **Overview** We are seeking a Senior Circuit Engineer to join our team… more
    TekSynap (10/07/25)
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  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... security section grows, so will the tools and the ** Senior Security Engineer ** will be the person...and reporting of findings + Review technical security posture ( network , application, database) for existing and newly acquired businesses… more
    CoStar Realty Information, Inc. (10/24/25)
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  • SD WAN Network Engineer

    SAIC (Springfield, VA)
    **Description** This is an opening for an **SD-WAN Senior Network Engineer ** to support the Department of State's (DoS) Diplomatic Technology Operations ... standards, fiber optic and copper cable termination. + Experienced with network monitoring devices such as HP Openview, Nagios, Zenoss, NeuralStar or other… more
    SAIC (10/23/25)
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  • Senior Lead Operations Engineer…

    Lumen (Richmond, VA)
    …support for network performance management, troubleshooting complex issues, and monitoring network capacity to ensure reliable, uninterrupted service. The ... and overseeing technical methods and documentation. Additional duties involve maintaining network monitoring tools, testing disaster recovery plans, and acting… more
    Lumen (11/13/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the ... cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE), you will provide expert engineering support to ensure the… more
    Virtual Service Operations (11/09/25)
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  • Network Operations Center (NOC)…

    CACI International (Springfield, VA)
    …Strong knowledge of networking protocols (TCP/IP, OSPF, BGP, etc.) + Familiarity with network monitoring tools (eg, SolarWinds, Nagios, PRTG) + Experience with ... Network Operations Center (NOC) Engineer (Tier...implementing, troubleshooting, and maintaining IT networks, encompassing daily operations, monitoring , and problem resolution for all network … more
    CACI International (10/25/25)
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  • Network Engineer - TS/SCI Polygraph…

    Leidos (Chantilly, VA)
    **Description** Leidos is searching for several Senior Network Engineers of varying experience levels to join our team in Chantilly, VA. The team is made-up of ... Candidate must have proven hands-on experience working as a network engineer . OCONUS experience is highly desired....of OSI or TCP/IP model + Hands-on experience with network monitoring , network diagnostics, and… more
    Leidos (11/07/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical ... Network Engineer III Job Category: Information...protocols: OSPF, BGP, MPLS, GRE, IPSEC. * Experience with network performance monitoring tools. * Proficiency with… more
    CACI International (10/07/25)
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  • Network Engineer Tier 2

    CACI International (Springfield, VA)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network… more
    CACI International (10/25/25)
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