• Senior Cybersecurity Incident Response…

    CGI Technologies and Solutions, Inc. (Bradford, OH)
    …Cybersecurity Incident Response Administrator (Information Assurance Engineer - Senior )** **Category:** Cyber Security **Main location:** United States, ... Type:** Full Time **Position Description:** CGI Federal is looking for a Senior Cybersecurity Incident Response Administrator (Information Assurance Engineer - … more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Senior Cybersecurity Network Defense…

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior )** **Category:** Cyber Security **Main location:** United States, ... Type:** Full Time **Position Description:** CGI Federal is looking for a Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - … more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Senior Cybersecurity Internal Controls…

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …Cybersecurity Internal Controls Administrator (Information Assurance Engineer - Senior )** **Category:** Cyber Security **Main location:** United States, ... Type:** Full Time **Position Description:** CGI Federal is looking for a Senior Cybersecurity Internal Controls Administrator (Information Assurance Engineer - … more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Cyber Security Administrator III

    Virtual Service Operations (Arlington, VA)
    …with an active TS/SCI clearance to lead implementation and management of operating systems and cyber policies, resolving system outages and managing ... Cyber Security Administrator III * Arlington,...responsible for providing senior -level administration of security systems , setting standards for cyber operations, backup,… more
    Virtual Service Operations (09/11/25)
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  • Senior IT System

    BAE Systems (Nashua, NH)
    …your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Systems Administrator to provide comprehensive technical and operational ... are compliant with applicable STIGs, RMF controls, and cyber hygiene policies. + Maintain system documentation,...be available based on position level and/or job specifics. ** Senior IT System Administrator ** **118849BR**… more
    BAE Systems (12/04/25)
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  • Senior Linux System

    BAE Systems (San Diego, CA)
    …build your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and ... are compliant with applicable STIGs, RMF controls, and cyber hygiene policies. + Maintain system documentation,...be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR**… more
    BAE Systems (09/18/25)
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  • Senior Systems Administrator

    TekSynap (IA)
    …management and implement effective solutions in a timely manner. **Overview** We are seeking a Senior Systems Administrator to join our team. TekSynap is a ... and provides system configuration change and upgrade recommendations. + Increases system administrator efficiency and accuracy via the use of automated tools… more
    TekSynap (11/15/25)
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  • Senior System Administrator

    General Dynamics Information Technology (Aberdeen, MD)
    …your place to lead, innovate, and drive strategic change. We are seeking a Senior System Administrator / Integrator with proven experience delivering ... leading integration efforts, shaping architectural solutions, and mentoring technical teams. As a Senior System Administrator / Integrator, you will lead the… more
    General Dynamics Information Technology (12/04/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Savannah, GA)
    …10 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VDI) - TS/SCI required** Make ... the most complex government, defense, and intelligence projects. Join GDIT as a ** Senior Virtual Desktop Infrastructure (VDI) Administrator ** for a career where… more
    General Dynamics Information Technology (10/07/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...system security controls. + Provide support to IT systems including day-to-day operations, monitoring and problem resolution for… more
    General Dynamics Information Technology (09/16/25)
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  • Senior Network Systems

    General Dynamics Information Technology (Fort Bliss, TX)
    …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Network Systems Administrator - PDA GDIT is seeking ... highly experienced and qualified Senior Network Systems Administrator -...Hypervisors (HV), Endpoint Security Solution (ESS) servers, Network Management System (NMS) servers, Assured Compliance Assessment Solution (ACAS) Security… more
    General Dynamics Information Technology (09/27/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator , Windows Location HI - Kaua'i Job Code 13534 # of openings 1 Apply Now ... Foundation Family of Companies (FOCs) is looking for a Senior Windows Systems Administrator Range...environment. This role requires deep technical expertise in Microsoft systems , leadership in secure system administration, and… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Linux System

    General Dynamics Information Technology (Fairfax, VA)
    System Administration **Experience:** 8 + years of related experience **Job Description:** ** Senior Linux System Administrator ** The position is for the ... Senior Linux System Administrator responsible for the servers that...system administration best practices. o Patch and configure systems in compliance with NOAA security requirements. o Upgrade… more
    General Dynamics Information Technology (12/04/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job...system infrastructure and any processes related to these systems . The Senior Systems ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide...Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (12/02/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator (Linux) Location HI - Kaua'i Job Code 13533 # of openings 1 Apply Now ... Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range...OS Certifications required: Linux, Linux+ or Red Hat Certified System Administrator (RHCSA) Certification required prior to… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    …a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (10/09/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …Mission Technologies, a division of HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD. The ideal ... a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic...candidate will have a strong background in system administration and be part of a small team… more
    Huntington Ingalls Industries (11/25/25)
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  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... of Trellix, LogRhythm, and MDE + Experience with DoD systems and infrastructure + Knowledge of Cyber ...Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret… more
    Amentum (09/24/25)
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  • Senior Information Systems

    Concurrent Technologies Corporation (Huntsville, AL)
    …CTC is looking for talented Senior Information System Administrator with experience accrediting, maintaining, and ensuring cyber security for servers ... Senior Information Systems Administrator ...planning, assessment, risk analysis, risk management, certification, security awareness, system administration, networking, maintenance, and continuous monitoring of Windows… more
    Concurrent Technologies Corporation (10/19/25)
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