• Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    …in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team ... Senior Linux/Unix Systems Administrator ...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (12/04/25)
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  • Sr . Principal Network Engineer…

    Northrop Grumman (Redondo Beach, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior ** ** Network Administrator ** to join its dynamic team of ... + Install, configure and maintain Cisco Call Manager voip systems . + Provide regular monitoring, and network ...voip systems . + Provide regular monitoring, and network analysis, regarding short and long-range planning for [in-house]… more
    Northrop Grumman (11/19/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, ... and Mitigation (CDM) practices. **Preferred Qualifications:** + Microsoft Certified Systems Administrator /Engineer (MCSA/MCSE) or equivalent (eg, Azure … more
    ManTech (11/05/25)
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  • Sr Network Engineer - Operations…

    NANA Regional Corporation (Albuquerque, NM)
    …and security implementation, ensuring the reliability, performance, and security of complex network systems . This role requires a hands-on technical leader who ... network access controls, firewall rules, and intrusion detection systems . + Support security audits and vulnerability assessments, implementing...required for consideration + Minimum 3 years as a Senior Network Engineer within the last 5… more
    NANA Regional Corporation (11/14/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment… more
    TekSynap (10/31/25)
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  • CSfC Sr . Network Engineer

    TekSynap (Honolulu, HI)
    …in engineering + MA/MS= 10 years; BS=12 years **Overview** We are seeking a CSfC Senior Network Engineer to join our team supporting Network Enterprise ... Serve as the escalation contact during large outages for Tier 2 and 3 systems . + Author network Engineering Design Packages to include detailed implementation… more
    TekSynap (12/02/25)
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  • Senior SIGINT Systems

    CACI International (Beale AFB, CA)
    Senior SIGINT Systems Administrator - Sensor Resource Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: ... * * The Opportunity: CACI is seeking a SIGINT Systems Administrator and Sensor Resource Manager Subject...responsible for resolving IT hardware and software infrastructure (servers, network , security, etc.) issues using systems analysis… more
    CACI International (12/12/25)
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  • Sr Principal Systems Engineer - SETC…

    RTX Corporation (Pelham, NH)
    …with internal and external customers. + Cisco Certification, RedHat Certified Systems Administrator , VMWare or other industry relevant certifications + ... secure world. Raytheon is seeking a talented and motivated ** Senior Principal Systems Engineer** to join our...following types of activities: + Maintain Tactical and Non-Tactical Systems : You will provide system and network more
    RTX Corporation (12/11/25)
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  • Sr Engineer, Endpoint - IT Infrastructure…

    Guthrie (Sayre, PA)
    This is an ON-SITE position located in Sayre, PA. Summary: The Sr . Engineer, Endpoint is responsible for the implementation and support of endpoint infrastructure, ... (TGC). This role ensures high availability and performance for clinical systems , patient care services, and administrative functions across the hospital endpoint… more
    Guthrie (12/03/25)
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  • Sr Principal DevOps Engineer

    Northrop Grumman (Aurora, CO)
    …Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer peers from ... of history, they're making history. The Northrop Grumman Space Systems Sector is looking for ** Sr . Principal DevOps Engineer** to augment our team. The DevOps… more
    Northrop Grumman (12/11/25)
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