• Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    …has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (12/19/25)
    - Related Jobs
  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, CO** . ... Support (IS) team and is critical for maintaining the stability, integrity, and security of a high-impact large scale enterprise network infrastructure. The… more
    ManTech (11/05/25)
    - Related Jobs
  • Senior Linux/Unix Systems…

    SMX (Dahlgren, VA)
    …with ability to obtain and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management + IAT III ... Senior Linux/Unix Systems Administrator (4411)at SMX(View...Research, Development, Test & Evaluation environments, ensuring the functionality, security , and efficiency of Unix/Linux-based systems, networks, and software… more
    SMX (12/04/25)
    - Related Jobs
  • Senior Server Administrator

    System One (Hershey, PA)
    Job Title: Senior Server Administrator Location: Hershey, PA Type: Direct Hire Compensation: $90-$115K Contractor Work Model: Onsite / 5 days per week ... Security Clearance: Must be able to complete a Child...FBI fingerprinting background check Our client is seeking a Senior Server Administrator to join its dynamic… more
    System One (12/26/25)
    - Related Jobs
  • Senior HPC Administrator (High…

    Mount Sinai Health System (New York, NY)
    …local and national projects. To meet Sinai's scientific and clinical goals, the Senior Administrator has a good technical understanding for computational, data ... strong focus on customer service for researchers. The HPC Senior Administrator is an expert troubleshooter and...file systems and storage + Experience with networking and security + Experience with configuration management systems such as… more
    Mount Sinai Health System (11/15/25)
    - Related Jobs
  • Senior IT / System Administrator

    R&D Industries, Inc. (Milford, IA)
    …support and are expected to have leading-class knowledge of hardware, software, networking, and security . A Senior Systems & Network Engineer should have ... Position Overview Our Senior IT / System Administrators & Network...Certifications: * Cisco CCNA/CCNP/CCDA/CCSP/CCIE * CompTIA Net+ * CompTIA Security + * Microsoft 365 Administrator Expert *… more
    R&D Industries, Inc. (12/16/25)
    - Related Jobs
  • Senior Server Administrator

    Milton Hershey School (Hershey, PA)
    Senior Server Administrator - ( 25000205 ) **Description** Milton Hershey School (MHS) is a remarkable institution with a rich history of empowering students ... opportunity and development for children. MHS is seeking a ** Senior Server Administrator ** to join its dynamic...Other members of this team support the campus data network , telecom systems, audio/video systems, and related services. As… more
    Milton Hershey School (12/31/25)
    - Related Jobs
  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network . The position ... Senior Systems Administrator (Linux) Location HI...environments across Navy networks. + Implement and maintain RMF security controls and ensure systems are compliant with DISA… more
    Alaka'ina Foundation Family of Companies (11/20/25)
    - Related Jobs
  • Senior Network Administrator

    TekSynap (Radford, VA)
    …in computer science or equivalent years of experience. **Overview** We are seeking a Senior Network Administratorto join our team supporting an ITES task order. ... tune network performance, ensuring systems are hardened and compliant with security requirements. + Analyze network utilization and performance metrics using… more
    TekSynap (10/25/25)
    - Related Jobs
  • Sr Field Service Engineer

    Scientific Research Corporation (Norfolk, VA)
    …Maritime 4.0.3 (GCCS-M 4.0.3) System Administrator + 741A: Information System Security Manager (ISSM) + 742A: Network Security Vulnerability Technician ... Submarine Radio Room (CSRR) experience (at least 5 years of experience) + Security + certification (may obtain within first few months of employment) Desired Skills +… more
    Scientific Research Corporation (12/11/25)
    - Related Jobs