• G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Description:** Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for ... Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our...is pending availability. **MEANINGFUL WORK AND PERSONAL IMPACT** + Senior System Administrator /Directory Services Engineer… more
    General Dynamics Information Technology (01/05/26)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    …Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - 7+ years in a System Administrator or IAM position working in a hands-on ... Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure,… more
    Insight Global (12/09/25)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    …and problem-solving skills supporting mission-critical environments. _Desired:_ * ServiceNow Certified System Administrator (CSA) - required or must be obtained ... Senior ServiceNow Administrator Job Category: Information...and features aligned with mission objectives. * Maintain comprehensive system documentation, SOPs, and configuration baselines. * Ensure platform… more
    CACI International (12/02/25)
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  • Senior VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for ... subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do...+ **Required Experience:** + 8+ years of experience with systems administration + DoD system accreditation process… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle...Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience… more
    The Boeing Company (12/25/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly ... national security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success.… more
    Chenega Corporation (12/10/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Senior Systems Administrator Ft....our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System ... administration and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and… more
    Chenega Corporation (12/01/25)
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  • Lead Senior Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... as leading, mentoring, and coordinating with a team of System Administrators. You will play a key role in...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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  • Senior Subcontracts Administrator

    BAE Systems (Sterling, VA)
    **Job Description** BAE Systems is seeking a Senior Subcontracts Administrator to join BAE Systems Intelligence & Security (I&S) team. The individual ... incentives may be available based on position level and/or job specifics. ** Senior Subcontracts Administrator ** **119287BR** EEO Career Site Equal Opportunity… more
    BAE Systems (12/13/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    …GSEC, or CCNA Security) required + Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good way). Then ... **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA...to work well as a part of the DTRA Systems Administration team using ITIL best practices as well… more
    Leidos (12/30/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... new and existing systems including the transition and migration of corporate systems * Monitor and report on system health using various dashboarding tools… more
    Amentum (11/20/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • Senior Contracts Administrator

    ANSER (Chantilly, VA)
    …in the impact of our service. Position Summary ANSER is seeking a Senior Contract Administrator to provide comprehensive acquisition and contract management ... the NRO's Electronic Procurement Exchange (EPX) Studio and other approved systems . + Assist in managing contract closeout activities, settlements, and documentation… more
    ANSER (01/06/26)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support ... ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and Maintenance (O&M)… more
    ManTech (12/13/25)
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  • Senior Database Administrator

    Oracle (Reston, VA)
    **Job Description** Are you a mission-driven ** Senior Database Administrator ** ready to take your career to the next level supporting the nation's most critical ... relevant hands-on experience supporting US Government or Intelligence Community enterprise systems . + Deep understanding of data architecture, engineering, and the… more
    Oracle (01/01/26)
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  • Senior Linux Systems

    Leidos (Arlington, VA)
    …and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, ... (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in… more
    Leidos (12/20/25)
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  • Network Administrator Senior

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior Network Administrator ** to manage secure network operations in support of the US Coast Guard. This hybrid role ... $126,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7300/network- administrator - senior /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID** _2025-7300_ **Category**… more
    GovCIO (12/24/25)
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  • ServiceNow Portal Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …a TS/SCI with Poly highly desired * ServiceNow Certification: ServiceNow Certified System Administrator (CSA) certification is often a requirement. * Experience: ... **ServiceNow Portal Administrator , Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2136… more
    CGI Technologies and Solutions, Inc. (01/01/26)
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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) Global ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in Computer… more
    General Dynamics Information Technology (12/11/25)
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