• 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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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data Environment (IDE) in Washington, DC. ... to: careers@serco-na.com . Click here to apply now (https://careers-sercous.icims.com/jobs/71687/ systems - administrator -%28hybrid-infrastructure%29 washington%2c-dc/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (10/29/25)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. We ... of five (5) years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree in Computer Science or… more
    Indigo IT, LLC (11/12/25)
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  • Cybersecurity System Administrator - DMV

    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 ... individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk… more
    M. C. Dean (11/26/25)
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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 ... issues related to authentication, replication, trusts, or integration with enterprise systems . + Partners with networking and security teams to ensure directory… more
    Ryder System (12/01/25)
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  • Web Application Security Engineer

    Steampunk (Washington, DC)
    …the product being deployed and/or maintained. **Preferred:** + Former Developer or Systems Administrator experience + Working knowledge of technologies used for ... OS, Database, Application Server, Load Balancer, and Web Server layers. Understanding how PKI /TLS certificates work is a must. + Integrate with both the application… more
    Steampunk (11/11/25)
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