• Tyto Athene (Washington, DC)
    …Notifications to customers will be clear and provide sufficient detail for a mid-level system or network administrator to understand what has occurred and what ... and actions taken in response to assigned incidents in the SOC ticketing system . Ensure tickets are properly updated in a timely manner and all artifacts… more
    DirectEmployers Association (10/23/25)
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  • Huntington Ingalls Industries (Newport News, VA)
    …and software developers to solution architects, technical subject matter experts, and system users. Anchored in our rich, 135-year history, we collaborate together ... train on meaningful projects and work closely with a mentor and with senior company leadership. Newport News Shipbuilding Internship programs are focused on placing… more
    DirectEmployers Association (10/02/25)
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  • 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 (12/11/25)
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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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  • 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 Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator , Windows Location HI - Kaua'i Job Code 13534 # of openings 0 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 (12/11/25)
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  • G2 Senior Systems

    General Dynamics Information Technology (Fairfax, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** at GDIT. Shape what's next ... people are our differentiators. Our work depends on a ** Senior Systems Administrator ** joining our...Change Commander, Navy Installation Command (CNIC) G2 applications. + Senior System Administrator for G2… more
    General Dynamics Information Technology (12/08/25)
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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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