• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... Perform systems administration on Windows and Linux platforms (updates, security , troubleshooting, management). + Maintain secure high performance KVM systems more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Reston, VA)
    …interface:** Coordinate with facilities on power, cooling, UPS/generators, and physical security for server rooms. **Qualifications** **Required:** 10+ ... allow developers to "go fast" while adhering to strict security and operational guardrails. **Responsibilities:** + Lead Data Center...mission cyber considerations + Serve as Technical Lead and administrator for TALON Data Center and TALON lab IT… more
    DirectEmployers Association (12/13/25)
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  • Physical Security System

    M. C. Dean (Chantilly, VA)
    …across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for monitoring, maintaining, ... electrical, engineering, and cybersecurity industries. We are seeking a ** Physical Security System Administrator...improvements + Resolve complex system issues for physical security systems + Triage… more
    M. C. Dean (10/23/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Security ** to support our… more
    St. George Tanaq Corporation (11/18/25)
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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 (12/16/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations… more
    V2X (11/15/25)
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  • Network/ Systems Administrator 2…

    GovCIO (Washington, DC)
    …referral to this job (https://careers-govcio.icims.com/jobs/6592/network- systems - administrator -2-%28desktop-and- system ... **Overview** The System Administrator (SA) is responsible for...continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems , software systems more
    GovCIO (12/05/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Operation Center** to support our… more
    St. George Tanaq Corporation (11/14/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Directory. Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data recovery operations. Maintain and ... clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT...DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security + or ability to obtain… more
    Sciolex Corporation (10/14/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    System Administrator Oakton, VA . Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving ... IT Operations Support, Software Development, and Program Management. Job Title: System Administrator Location:Oakton, Virginia Clearance Level:Top Secret… more
    Chenega Corporation (11/12/25)
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  • System Administrator

    Belay Technologies (Fort Meade, MD)
    … to join our intel team. This position is for a System Administrator to support mission critical application and systems in support of multiple Identity, ... and TITUS. The selected candidate will serve in a System Administrator role to keep the ...+ Create/update a wide variety of documentation and diagrams: System Security Plans, Security CONOPS,… more
    Belay Technologies (12/12/25)
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  • System Administrator -Linux

    Leidos (Annapolis Junction, MD)
    …- Linux** **Leidos** has a new and exciting opportunity for a ** System Administrator - Linux** in our **National Security Sector's (NSS) Cyber & Analytics ... and system security scanning for equipment suites in accordance with the System Security Plans for these systems to rapidly and accurately identify… more
    Leidos (11/19/25)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …We are seeking a ** System Administrator 2** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business ... Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and...include but are not limited to: + Contribute to physical security system support to… more
    M. C. Dean (11/05/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... and troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc. + Implement and… more
    Leidos (10/01/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... System Administrator is responsible for leading ...new project needs and risk management requirements. + Ensure systems meet ARL performance, security , and reliability… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • System Administrator 1

    M. C. Dean (Annapolis Junction, MD)
    …We are seeking a ** System Administrator 1** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business ... Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and...and 6+ Years of progressive experience + Requires some system administrator experience in performing triage on… more
    M. C. Dean (11/05/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …architectural changes to existing, approved, systems to maintain operability and security of the environment + Implement major system upgrades as designed ... can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media...and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software… more
    Leidos (12/03/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in **Hanover, MD** . Our team delivers enterprise ... S3, VPC, IAM, and other core services + Monitor system performance, availability, and security , responding to...Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (12/10/25)
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  • Network- System Administrator II

    Global Resource Solutions (Washington, DC)
    …IP,TCP,HTTP, HTTPS, FTP, & SSL + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required + ... detail orientated, and talented individual for the position of Network/ System Administrator II. Job Description: Summary: The...knowledge of Risk Management Framework, , Common Criteria, and System Security Policy as they relate to… more
    Global Resource Solutions (10/13/25)
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  • Mission Assurance Decision Support System

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …requires the expertise of a talented and experienced Mission Assurance Decision Support System (MADDS) Administrator to assist in directing and managing the ... within MADSS, a mix of hardware and software, and physical /logical locations for circuits and systems . +...security measures to protect sensitive data within the system . Qualifications/Experience: + Active TS/SCI clearance + Experience in… more
    Competitive Range Solutions, LLC (11/06/25)
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