• 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...Administrator ** must have: + **Security Clearance Level:** Active Top Secret clearance. (A Secret more
    General Dynamics Information Technology (01/05/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    …5 years of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a ... SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT… more
    Exeter Government Services, LLC (11/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...(VDI Desktops). + Security Clearance Level: DOE Q or TS * Random Drug Screening* Required Skills and Abilities: Written… more
    General Dynamics Information Technology (01/05/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View...hot fixes **Required Skills and Experience:** + Clearance Required: Top Secret + An interim TS ... River, MD SMX is looking for a highly motivated ** Senior Systems Administrator ** with demonstrated...is required to start; will consider upgrading candidate from Secret + BS or BA degree in a Technical… more
    SMX (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator , Windows Location...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 ... Foundation Family of Companies (FOCs) is looking for a Senior Windows Systems Administrator Range...investigation level. (Applicants selected either must currently possess a Secret clearance or will be subject to a government… more
    Alaka'ina Foundation Family of Companies (12/15/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... ** Systems Administrator ** with demonstrated experience to maintain...virtual networking. **Required Skills and Experience:** + Clearance Required: Top Secret + Bachelor's degree in a… more
    SMX (01/07/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... any processes related to these systems . The Senior Systems Administrator will Configure... enhancements to improve reliability and performance **Requirements:** + TS /SCI with polygraph clearance + 10 years experience as… more
    CACI International (01/07/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and … more
    EPS Corporation (11/13/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator (Linux) Location...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 ... Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range...investigation level. (Applicants selected either must currently possess a Secret clearance or will be subject to a government… more
    Alaka'ina Foundation Family of Companies (11/20/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT):...be able to maintain a security clearance at the Top Secret level with SCI eligibility and ... Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract...we are a fast-growing, multi-million-dollar company recognized as a top Alaska Native Corporation providing services across the Department… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
    - Save Job - Related Jobs - Block Source
  • 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 ... Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience...eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required).… more
    The Boeing Company (12/25/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help...DOD IAT Level II Certification is required. + DOD Top Secret clearance w/ SCI eligibility. **Knowledge,… more
    Chenega Corporation (12/10/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...STE/STN support. + **Clearance Required: Must have an active TS /SCI with Polygraph** **Desired Qualifications:** + Puppet, Ansible, FreeIPA,… more
    Leidos (11/15/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a...**Clearance Requirements:** + Must possess a current / active TS /SCI with Polygraph **Physical Requirements:** + Must be able… more
    ManTech (12/19/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    PingWind INC (Doral, FL)
    Senior Systems Administrator - SCITES Doral, FL (http://maps.google.com/maps?q=Doral+FL+USA) Job Type Full-time Description Location:Doral, Florida Required ... Clearance: TS -SCI - can start with a Secret ...a related IT career field Seeking an IT Microsoft Systems Administrator to help maintain the USSOUTHCOM… more
    PingWind INC (11/12/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... of five (5) years of related experience in computer hardware, software, networking systems , and in the set-up, configuration, use, and troubleshooting of computer … more
    ManTech (12/31/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS /SCI with Poly clearance to join and assist and meet mission needs for our ... do + Manage customer's Risk Management Framework and related systems to ensure optimized performance and security + Support...security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for … more
    BigBear.ai (12/30/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... are not limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks + Monitor system… more
    ManTech (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Senior IT Systems

    BAE Systems (Nashua, NH)
    …your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Systems Administrator to provide comprehensive technical and operational ... Experience, & Skills** + US Citizenship. + Active US Secret Security Clearance and CompTIA Security or equivalent DoD...be available based on position level and/or job specifics. ** Senior IT Systems Administrator ** **118569BR**… more
    BAE Systems (11/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior IT Systems

    Empirical Systems Aerospace, Inc. (San Luis Obispo, CA)
    Senior IT Systems Administrator -...permanent resident with an active or eligible security clearance ( Secret or Top Secret ). Language Skills ... Lead Position Summary The Senior IT Systems Administrator - Lead is responsible for overseeing the company's information technology infrastructure,… more
    Empirical Systems Aerospace, Inc. (12/31/25)
    - Save Job - Related Jobs - Block Source