• Lead Senior Systems

    ManTech (Chantilly, VA)
    Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems Administrator , you will be responsible for providing a full ... Lead and supervise a team of system administrators ( Windows /Linux/VMWare) and IT support staff. + Design, implement, and...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... incentives may be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal Opportunity Employer.… more
    BAE Systems (12/09/25)
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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 ... Leads a team of system administrators responsible for enterprise IT systems . * Manages escalated incidents, patch management, and configuration oversight. *… more
    System One (12/26/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced ** Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal ... Poly security clearance. + CompTIA Security+ certification + Proven experience in systems administration for Windows and/or Linux environments. + Hands-on… more
    Leidos (01/13/26)
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  • Database Administrator (Senior)

    BAE Systems (Sterling, VA)
    **Job Description** BAE Systems , a top-ten prime contractor to the US Department of Defense, enables the US government to transform data into intelligence and ... engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to the… more
    BAE Systems (10/29/25)
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  • System Administrator

    CACI International (Ashburn, VA)
    …a minimum of five (5) solid years of experience providing system administration support for Windows and /or Linux Operating systems + Minimum 3 Years of VMware ... System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel… more
    CACI International (12/13/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you...+ Digitus + C-Cure + Requires an understanding of Windows patching and vulnerability remediation with ATO processes +… more
    M. C. Dean (10/23/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    …and consultant to other Infrastructure groups (Cloud Operations, Cyber Security, and Systems Administration). * Plan, lead and perform comprehensive systems ... our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, compliant identity solutions in alignment… more
    Insight Global (12/09/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and... works closely with the Cisco Call Manager Engineer Lead and other IT team members to deliver high-quality… more
    CACI International (12/27/25)
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  • Senior VMware Administrator | Active TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …**Job Description:** Transform technology into opportunity as a **Senior VMware Administrator ** at GDIT. Shape what's next for mission-critical government projects ... **MEANINGFUL WORK AND PERSONAL IMPACT** As a **Senior VMWare Administrator ,** the work you'll do at GDIT will be...and performs the following responsibilities/functions: + Perform as the Lead on the Operations Team; manage people to include… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) ... **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with your team and..., you will work closely with your team and Lead to provide vital technical support for the integration… more
    General Dynamics Information Technology (12/11/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …the NGA enterprise. * Senior level experience managing and administering Linux/ Windows based systems including patching, updates, and configuration management. ... Intel space? If so, look no further. Amentum is seeking a **Senior System Administrator ** to join our team of passionate individuals in **Springfield, VA** . In this… more
    Amentum (11/20/25)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... Athene is searching for a **Enterprise Logging Solution (ELS) Lead ** to support a law enforcement customer in Ashburn,.... + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +… more
    Tyto Athene (11/01/25)
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  • Senior IT Support Specialist / Support Lead

    IT Concepts (Mclean, VA)
    …integrations, and workflow enhancements that improve IT efficiency and business productivity. Systems Administration & Cloud Operations: + Administer Windows OS, ... Kentro is hiring a highly skilled Senior IT Support Specialist / Support Lead to strengthen our IT operations, provide advanced technical expertise, and serve as… more
    IT Concepts (12/24/25)
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  • Endpoint Security Lead - CrowdStrike

    AIG (Reston, VA)
    …for Windows and Linux. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/Linux Operating Systems . + Good scripting knowledge using ... standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable AIG's… more
    AIG (12/07/25)
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  • Enterprise Logging Solution Lead

    ManTech (Ashburn, VA)
    …Splunk Architect. + Experience in an enterprise IT environment as an applications or systems administrator working in Windows and Linux environments. + ... **MANTECH** seeks a motivated, career and customer-oriented **Enterprise Logging Solution (ELS) Lead ** to join our team in **Ashburn, VA** . The ultimate purpose of… more
    ManTech (12/07/25)
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  • Systems Support Engineer I (Monday-Friday…

    Red River (Chantilly, VA)
    …experience diagnosing and resolving technical issues on end-user laptops, including both Windows and macOS systems , with a solid understanding of operating ... those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first...root causes. + Collaborate with the team and team lead to keep knowledge base articles (KBAs) accurate and… more
    Red River (01/05/26)
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  • Software Developer (Expert)

    BAE Systems (Herndon, VA)
    **Job Description** BAE Systems , a top-ten prime contractor to the US Department of Defense, enables the US government to transform data into intelligence and ... engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to the… more
    BAE Systems (12/13/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …Wireshark, Putty, CLI, etc) + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Database ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (01/08/26)
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  • Service Desk Technician III

    AeroVironment (Herndon, VA)
    …Core 1 and Core 2 + Advanced Technical Expertise. + Deep understanding of Windows , macOS, mobile device operating systems , and working knowledge of Ubuntu/Linux ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… more
    AeroVironment (01/05/26)
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