• Lead Cyber Security and System

    CACI International (Rock Island, IL)
    Lead Cyber Security and System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee ... * * * **Exciting Career Opportunity: Join Our Dynamic Cyber Security Team!** Are you passionate about cybersecurity and...packages. + ** Systems Administration:** Serve as a systems administrator , ensuring smooth operation and compliance… more
    CACI International (09/09/25)
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  • Linux Cyber Range Operations…

    Lockheed Martin (North Charleston, SC)
    …tomorrow's most vital assets\. **The Work** Cyber Support Operations is seeking a Senior Systems Administrator with a versatile skill set and a passion ... **Description:** **What We're Doing** Our dedicated cyber test and training teams are at the...While we think big, we operate small\. As a Senior Systems Administrator with a… more
    Lockheed Martin (08/21/25)
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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 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

    V2X (Bangor, WA)
    …as the customer's Enterprise IT System , Applications, and Services catalogs. + The Senior Systems Administrator also supports the mid-to- senior level ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator III Generalist...scripted technologies is a plus. + Shall meet the Cyber IT/Cybersecurity Workforce (CSWF) System Administrator more
    V2X (09/05/25)
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  • Splunk Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Honolulu, HI)
    Splunk Systems Administrator , Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, ... technology supporting the Navy ? We're looking for a system administrator with a solid background in...You Have: + 4+ years of experience as a systems administrator on DoD networks + Experience… more
    BOOZ, ALLEN & HAMILTON, INC. (09/01/25)
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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

    V2X (Springfield, VA)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports...(CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV… more
    V2X (08/07/25)
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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 13428 # 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 (09/19/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …Citizenship Required:** Yes **Job Description:** **MEANINGFUL WORK AND PERSONAL IMPACT:** As a ** Senior Linux Systems Administrator ** , the work you'll do ... while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator ** and...process improvements. + Desired Skills: + Red Hat Certified System Administrator (RHCSA) or higher. + ITIL… more
    General Dynamics Information Technology (09/16/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    Systems Administrator , Senior The...and supervise team members. You'll support Windows and Linux systems engineering efforts in system design and ... technical expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to...evaluation, solution engineering, sof tware development, or system administration. You'll use your passion to learn new… more
    BOOZ, ALLEN & HAMILTON, INC. (09/09/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** with GDIT. A career in ... potential, or suspected criminal, terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** +… more
    General Dynamics Information Technology (08/09/25)
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  • Linux System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and...location. The qualified Systems Administrator will support a very dynamic… more
    Nightwing (06/27/25)
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  • Senior Specialist Systems

    L3Harris (Springfield, VA)
    …Job Title: Senior Specialist, Systems Engineering - Information Technology Senior Systems Administrator (Active TS/SCI w/ CI Poly Required) Job ... (100% Onsite) Job Description: L3Harris Technologies is seeking an experienced Information Technology Senior Systems Administrator or Mid-to- Senior Level… more
    L3Harris (09/04/25)
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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 13228 # 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 (09/19/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Aberdeen Proving Ground, 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 (09/17/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    …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 (09/19/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …10 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VMware) - TS/SCI required** Make ... government, defense, and intelligence projects. Join GDIT as a ** Systems Administrator (VMware)** with for a career...Provide support for implementation, troubleshooting and maintenance of IT systems + Manage IT system infrastructure and… more
    General Dynamics Information Technology (09/21/25)
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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 (08/27/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... integrating ServiceNow with other applications is required Desired: + ServiceNow System Administrator certification + DoD 8570 compliance Information Assurance… more
    SAIC (08/07/25)
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