• ERP International (Washington, DC)
    …**ERP International, LLC** ( www.erpinternational.com ) is currently seeking a ** Systems Administrator ** with a strong background in patch management ... with developing custom mitigation techniques. + Working knowledge of information systems security standards/practices (eg, access control and system hardening,… more
    DirectEmployers Association (01/15/26)
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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 (Annapolis, MD)
    … 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 (01/15/26)
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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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  • 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 (01/15/26)
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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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  • 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 (01/14/26)
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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 (01/15/26)
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  • Sr. Integrator - Windows Server

    System One (Washington, DC)
    … monitoring, verifying the integrity and availability of all hardware, server resources, systems , and key processes, reviewing system and application logs, and ... ONLY Open/Additional Info Job Summary : The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance… more
    System One (01/14/26)
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  • Senior Directory Services Engineer

    Ryder System (Annapolis, MD)
    …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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  • F5 Load Balance Network Engineer

    Leidos (Alexandria, VA)
    …updating to new technologies, tuning performance, and implementation of critical system patches. This infrastructure may include on-premises and cloud resources. ... + Ensure Secure Socket Layer/Transport Layer Security (SSL/TLS) offloading and brokering PKI authentication features provided by the F5 appliance is operational at… more
    Leidos (11/07/25)
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  • Load Balance Network Engineer (SME)

    Leidos (Alexandria, VA)
    …updating to new technologies, tuning performance, and implementation of critical system patches. This infrastructure may include on-premises and cloud resources. ... + Ensure Secure Socket Layer/Transport Layer Security (SSL/TLS) offloading and brokering PKI authentication features provided by the F5 appliance is operational at… more
    Leidos (10/24/25)
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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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  • Senior Integrator- Windows Server Engineering

    SAIC (Washington, DC)
    … monitoring, verifying the integrity and availability of all hardware, server resources, systems , and key processes, reviewing system and application logs, and ... **Description** The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M) and various… more
    SAIC (01/06/26)
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