• Junior PKI Administrator

    Chenega Corporation (Springfield, VA)
    **Req ID:** 38815 **Summary** **Junior PKI Administrator ** **Springfield, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... (SMEs) with decades of experience working in the Federal marketplace. The **Junior PKI Administrator ** support provides superior customer service. PKI more
    Chenega Corporation (01/10/26)
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  • PKI Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** PKI Systems Administrator Advance how our customers operate while ... you advance your career. Join GDIT as a PKI Systems Administrator and you will build an impactful career in enterprise IT, collaborating with people who are… more
    General Dynamics Information Technology (12/17/25)
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  • PKI System Administrator

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    … configuration, update and troubleshooting. + User driven with day-to-day knowledge of PKI system , unlock shared mailboxes, and assist with projects and support ... team with PKI related incidents and Department wide initiatives while maintaining...other security protocols. + Designs, develops or recommends integrated system solutions ensuring proprietary/confidential data and systems more
    ASM Research, An Accenture Federal Services Company (01/10/26)
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  • Senior IT Infrastructure Support Specialist-Icam…

    CACI International (Fort Meade, MD)
    …Travel Required: Type of Travel: * * * **The Opportunity:** CACI is seeking a Systems Administrator to provide 24x7 support to an existing Operations Center for ... Senior IT Infrastructure Support Specialist-ICAM & PKI Job Category: Information Technology Time Type: Full...+ TS/SCI Clearance with polygraph + Bachelor's degree in System Engineering, Computer Science, Information Systems or… more
    CACI International (11/12/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... eligibility Duties and Responsibilities: Leads a team of system administrators responsible for enterprise IT systems . * Manages escalated incidents, patch… more
    System One (12/26/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system ... such as: + VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server… more
    BAE Systems (12/09/25)
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  • System Administrator - Linux…

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible for...vSphere (vCenter/ESXi hosts). 5. Demonstrated experience troubleshooting virtual machine/operating systems in virtual environments. 6. Demonstrated experience creating, updating,… more
    The Metamorphosis Group (12/10/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing ... 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 (01/05/26)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... including PKI , LDAP, and related authentication technologies + Maintain system documentation, configuration management, and security baselines in tools such as… more
    ManTech (12/13/25)
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  • System Administrator -Linux

    Leidos (Annapolis Junction, MD)
    **Description** ** System Administrator - Linux** **Leidos** has a new and exciting opportunity for a ** System Administrator - Linux** in our **National ... and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify and… more
    Leidos (01/06/26)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, troubleshooting and ... maintenance of Information Technology (IT) systems . The SA manages IT system infrastructure...duty, on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities:… more
    Belay Technologies (01/04/26)
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  • Linux System Administrator - US…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    **Linux System Administrator - US Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate ... to join our successful Federal organization as a Linux System Administrator for an enterprise cybersecurity opportunity...Duty (EOD) clearance * 5-7 years of experience Unix system administration * Proficiency in Linux systems more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington Navy Yard, DC)
    …& Qualifications** **Position Description & Qualifications** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data ... maintenance and patching of on-prem Windows Server environments. + Monitoring system performance and ensuring high availability. + Administering user accounts, group… more
    Serco (01/03/26)
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  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an ... its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based...Red Hat Enterprise Linux Certifications: RHCT or RHSA. + System administration experience across Linux systems and… more
    RTX Corporation (01/07/26)
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  • Linux System Administrator

    Belay Technologies (Fort Meade, MD)
    System Administrator experience + Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science, Engineering ... Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our intel team. This position is for System more
    Belay Technologies (12/12/25)
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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 ... documentation and incident logs. **Cybersecurity Operations** + Serve as the **Information System Security Manager (ISSM)** for all assigned systems . + Monitor… more
    M. C. Dean (11/26/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (12/20/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    Systems Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along with ... perform technical software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly, VA location.… more
    Leidos (01/13/26)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... as leading, mentoring, and coordinating with a team of System Administrators. You will play a key role in...2016/2019, to include Active Directory, Domain Controllers, DNS, GPO's, PKI , DHCP, VMware v8, Backup Architectures, Storage Management, and… more
    ManTech (12/19/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and… more
    ManTech (12/31/25)
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