• Core Infrastructure System…

    M. C. Dean (Fremont, CA)
    …leaders in electrical, engineering, and cybersecurity industries. Responsibilities **Core Infrastructure System Administrator (Sys Admin 3)** is a key member ... for the nation's most mission-critical facilities, secure environments, complex infrastructure , and global enterprises. With over 7,000 employees, our capabilities… more
    M. C. Dean (10/28/25)
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  • Senior Cybersecurity Network Defense…

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

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

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

    Three Saints Bay (Philadelphia, PA)
    **Senior Systems Administrator - Cybersecurity & Network Operations (5088)** Location **Philadelphia, PA** Job Code **5088** \# of Openings **1** Apply Now ... LLC, and a Federal Government Contractor industry leader, is seeking a **Senior Systems Administrator - Cybersecurity & Network Operations** . We are seeking a… more
    Three Saints Bay (11/12/25)
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  • Cybersecurity System Administrator

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled ** Cybersecurity System Administrator ** to support a secure operational technology environment by integrating ... advanced system administration with proactive cybersecurity operations. This dual-role position requires an individual with...Windows 10, RHEL 7/8 + VMware ESXi / vSAN infrastructure + Web browsers, Adobe Acrobat, and other desktop… more
    M. C. Dean (11/26/25)
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  • Cybersecurity Network Defense…

    GovCIO (Dover, DE)
    …Radford, VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6786/ cybersecurity -network-defense- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6786_… more
    GovCIO (09/25/25)
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  • Cybersecurity Incident Response…

    GovCIO (St. Paul, MN)
    **Overview** GovCIO is currently hiring for Cybersecurity Incident Respose Administrator to be responsible forSecurity Information and Event Management (SIEM) ... VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Incident Response Administrator (Information Assurance Engineer - Senior)… more
    GovCIO (09/24/25)
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  • Senior Cybersecurity Incident Response…

    TekSynap (Radford, VA)
    …Information and Event Management (SIEM) systems to meet DoD and Army cybersecurity requirements. + Deploy, install, and maintain infrastructure components that ... audit requirements and validate security controls. + Provide Public Key Infrastructure (PKI) support, including management of SSL/TLS certificates and related… more
    TekSynap (10/25/25)
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  • Systems Administrator /Engineer…

    Shuvel Digital (Vienna, VA)
    …from cyber-based threats by deploying, configuring, managing, and maintaining technologies/ infrastructure in support our Cybersecurity Operations Center (CSOC) ... Description: We are looking for a Mid level Systems Administrator /Engineer that can come in to take ownership of day-to-day operations. You will partner with… more
    Shuvel Digital (09/25/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …+ Manage the Assured Compliance Assessment Solution (ACAS) infrastructure , including system configuration, scanning schedules, reporting, and vulnerability ... (STIG) compliance scans and generate reports to ensure systems meet DoD cybersecurity standards. + Manage Army Endpoint Security Solution (AESS) Site Reviewer… more
    TekSynap (10/25/25)
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  • Infrastructure Administrator

    Access Dubuque (Dubuque, IA)
    Infrastructure Administrator **Hillcrest Family Services** 1 Positions ID: 554120141 Posted On 10/09/2025 Refreshed On 12/10/2025 **Job Overview** ... **Responsibilities** The **IT Infrastructure Administrator ** is responsible for maintaining and...maintain a strong security posture. + Assist in developing cybersecurity awareness and data protection practices among staff. +… more
    Access Dubuque (12/11/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    …to apply now (https://careers-sercous.icims.com/jobs/71687/systems- administrator -%28hybrid- infrastructure %29 ... **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data Environment (IDE) in Washington, DC. This… more
    Serco (10/29/25)
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  • Cloud Certified Systems Administrator

    TEKsystems (San Diego, CA)
    …HAVE A CLOUD CERTIFICATION AZURE OR AWS. Description Job Title: CLOUD System Administrator Department: IT Infrastructure & Operations PURPOSE The System ... point, mentors junior team members, and ensures adherence to corporate cybersecurity and compliance standards. ESSENTIAL FUNCTIONS Infrastructure & Systems… more
    TEKsystems (12/06/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …Cyber IT/ Cybersecurity Workforce (CSWF) position as defined for the Cybersecurity discipline: Systems Administrator (451) - Intermediate Level. Education: + ... the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful mission… more
    V2X (11/15/25)
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  • M365 GCC Senior IT Administrator

    Belcan (Cincinnati, OH)
    M365 GCC Senior IT Administrator Job Number: 361637 Category: -Software & Systems SBU Description: A Senior IT Administrator job in Cincinnati, OH or ... Government contracting environments required. Additional info: Microsoft 365 (M365) GCC Senior Administrator IT administrator , this position plays a key role in… more
    Belcan (12/07/25)
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  • Cybersecurity Professionals - Ongoing…

    V2X (Reston, VA)
    …If you're looking for a mission-driven career protecting critical systems and infrastructure , join our Cybersecurity Talent Pipeline today! This position ... to global cybersecurity initiatives that secure missions and protect critical infrastructure . Who Should Apply? We seek cybersecurity professionals who excel… more
    V2X (11/27/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT ... infrastructure . This role is critical in ensuring the availability,...used to support USCIS operations nationwide. As a senior-level administrator , you will provide technical leadership and oversight of… more
    NANA Regional Corporation (10/16/25)
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  • Senior Systems Administrator , Windows

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …configuration. + Support virtualization platforms (VMware, Hyper-V) and manage virtual infrastructure lifecycle. + Collaborate with cybersecurity teams to ... Senior Systems Administrator , Windows Location HI - Kaua'i Job Code...located in Kekaha, Hawai'i. Oversee and manage enterprise-level Microsoft infrastructure in support of US Navy operations within a… more
    Alaka'ina Foundation Family of Companies (12/11/25)
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  • Information System Security Officer Senior…

    SAIC (Pearl Harbor, HI)
    …VDI zero client architecture. + Microsoft Certified Solutions Craftsman: Server Infrastructure and/or Red Hat Certified System Administrator . + Experience ... **Description** SAIC is seeking qualified Cybersecurity Specialist (Information System Security Officer) for an Air Force TENCAP HOPE 2.0 contract at Joint Base… more
    SAIC (11/15/25)
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