• 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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  • 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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  • 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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  • Sr. IAM Administrator (IT@JH Enterprise…

    Johns Hopkins University (Baltimore, MD)
    …**_Sr. IAM Administrator_** . The Sr. Identity and Access Management (IAM) Administrator is responsible for planning, implementing, and managing IAM services for the ... University. Serves as the Lead Administrator and provides technical expertise in identity and user...day-to-day operations and management of IAM on-premises and cloud-based systems , ensuring secure access to institutional resources. This role… more
    Johns Hopkins University (11/20/25)
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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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  • 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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  • System Administrator

    CACI International (Hanover, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... a Prime Contractor on MWIII Bridge, in Hanover, MD. We are seeking a System Administrator to support Identity, Credential, and Access Management (ICAM) … more
    CACI International (12/09/25)
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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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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... or any other protected class. Job Description: This position is for System Administration support for development and production environments for a mission critical… more
    Synergy ECP (10/15/25)
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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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  • 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 (12/28/25)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... ensuring systems adhere to security and compliance standards. + ** System Updates:** Perform software updates, patching, and system hardening through… more
    CACI International (10/16/25)
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  • Data Analytics Visualization Administrator

    BigBear.ai (Annapolis Junction, MD)
    …installation, patching, and regression testing. + Configure secure access to backend systems like SAP HANA, including SSL/TLS and PKI -based single sign-on. ... and PKI authentication. + Background in administering operational software systems in a production environment. About BigBear.ai BigBear.ai is a leading provider… more
    BigBear.ai (11/20/25)
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  • Senior Directory Services Engineer

    Ryder System (Washington, DC)
    …entities, along with supporting technologies (Sites and Services, Group Policy, PKI ). + Manages multi-forest architectures and cross-entity trust relationships to ... roadmaps, and operational best practices for directory services, including ongoing system health monitoring, maintenance, and capacity planning. + Leads resolution… more
    Ryder System (12/01/25)
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  • Splunk Systems Engineer - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    … Engineer joining our team. The Digital Services SIEM Team requires an experienced Splunk System Administrator to system engineer to perform all aspects of ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Splunk Systems Engineer Deliver simple solutions to complex problems as a Splunk … more
    General Dynamics Information Technology (01/07/26)
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