• Infinity Systems Engineering (Alexandria, VA)
    …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 broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    DirectEmployers Association (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... worldwide to support the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS ** who could potentially be located in either **Springfield,… more
    CACI International (08/11/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator ( Linux

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator ( Linux ) Location HI - Kaua'i Job Code 13492 # of openings 1 Apply Now ... Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position...hardening, patching, and vulnerability remediation using tools such as ACAS , ESS, and SCAP. + Develop and maintain PowerShell… more
    Alaka'ina Foundation Family of Companies (10/23/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator ( Linux

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... hardening, patching, and vulnerability remediation using tools such as ACAS , ESS, and SCAP. + Develop and maintain PowerShell...following OS Certifications required + Linux + Linux + Red Hat Certified System Administrator (RHCSA)… more
    Amentum (09/24/25)
    - Save Job - Related Jobs - Block Source
  • Linux /Windows Senior Systems…

    Lockheed Martin (San Diego, CA)
    …Configuration, fine tuning, and maintenance of security tools such as Nessus, ACAS , Splunk, etc\. * Setting up/configuring new users * Installation and configuration ... Network/System Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment, imaging, and… more
    Lockheed Martin (10/17/25)
    - Save Job - Related Jobs - Block Source
  • Senior Network Systems Administrator - PDA

    General Dynamics Information Technology (Fort Bliss, TX)
    …and Abilities:** + Must have administrative knowledge of Microsoft Server 2019, Red hat Linux , Windows 11, SQLEXPRESS, ESS, ACAS , and Microsoft Hyper Visor. + ... experience **US Citizenship Required:** Yes **Job Description:** Senior Network Systems Administrator - PDA GDIT is seeking highly experienced and qualified Senior… more
    General Dynamics Information Technology (09/27/25)
    - Save Job - Related Jobs - Block Source
  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …to include (but not limited to): + Administer all ROTHR Red Hat Enterprise Linux servers and workstations, ACAS and Nessus servers, and VMware ESXi servers ... are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do is rooted in… more
    RTX Corporation (08/20/25)
    - Save Job - Related Jobs - Block Source
  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …to include (but not limited to): + Administer all ROTHR Red Hat Enterprise Linux servers and workstations, ACAS and Nessus servers, and VMware ESXi servers ... world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility....(RHEL, Microsoft, Java, Adobe, etc.) Review scan results from ACAS and Tanium scans that pertain to servers and… more
    RTX Corporation (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …a Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, Azure, ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Microsoft Windows,System Administration **Experience:** 5 + years of related… more
    General Dynamics Information Technology (09/16/25)
    - Save Job - Related Jobs - Block Source
  • Scanning & Vulnerability Management…

    Electrosoft (Belleville, IL)
    …Job Description Electrosoft Inc. is seeking an Assured Compliance Assessment Solution ( ACAS ) administrator to support the implementation and sustainment of ... Scanning & Vulnerability Management Administrator Posted: 10/10/2025 Electrosoft Services, Inc. is an...government-mandated ACAS system, which is comprised of Security Center, Nessus… more
    Electrosoft (10/11/25)
    - Save Job - Related Jobs - Block Source
  • Unix IA Ops Systems Administrator

    SMX (Patuxent River, MD)
    Unix IA Ops Systems Administrator (4702)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a Mid-Level Unix IA Ops Systems ... Administrator to join our team at the Patuxent River...on Information Assurance (IA) compliance and security operations for Unix/ Linux systems across Department of Defense (DoD) networks. The… more
    SMX (10/18/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator (Onsite)

    BAE Systems (Arnold, MO)
    **Job Description** As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems Administrators ... functions. To include, but not limited to, setting up administrator accounts, maintaining system documentation, tuning system performance, installing system-wide… more
    BAE Systems (10/08/25)
    - Save Job - Related Jobs - Block Source
  • Information Systems Security Administrator

    Huntington Ingalls Industries (Honolulu, HI)
    …Who We Are HII-Mission Technologies is seeking a Information Systems Security Administrator at our Honolulu, Hawaii location. The Information Systems Security ... Administrator (ISSA) is responsible for the implementation, monitoring, and...and validate Security Technical Implementation Guides (STIGs) on Windows, Linux , and virtualization platforms + Conduct system vulnerability scans,… more
    Huntington Ingalls Industries (08/15/25)
    - Save Job - Related Jobs - Block Source
  • Database Administrator III

    RTX Corporation (Chesapeake, VA)
    …ATO requirements) + To provide backup support to SIPRNet Red Hat Enterprise Linux (RHEL) Systems Administrator for day-to-day Global Command and Control ... System-Joint (GCCS-J) maintenance and Assured Compliance Assessment Solution ( ACAS ) servers maintenance **Qualifications You Must Have:** + DoD 8570 Workforce IAT… more
    RTX Corporation (10/15/25)
    - Save Job - Related Jobs - Block Source
  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …+ **US Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience ... Yes **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** with GDIT. A career in enterprise IT means connecting… more
    General Dynamics Information Technology (08/28/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Administrator

    CAE USA INC (Arlington, TX)
    …advancement and having fun! Summary We are seeking a mission-focused System Administrator to support IT operations and cybersecurity readiness in a defense ... candidate will demonstrate proficiency in both Microsoft Windows and Linux systems administration, including hardening, deployment, configuration, maintenance, and… more
    CAE USA INC (10/23/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI clearance to support our government ... obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance… more
    V2X (08/07/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado Springs, CO ... + Responsible for administration and maintenance of Red Hat Linux servers + Install and configure Red Hat ...security policy, Risk Management Framework (RMF) + Set up administrator and service accounts + Maintain system documentation +… more
    ISYS Technologies (10/22/25)
    - Save Job - Related Jobs - Block Source
  • Senior Hybrid Cloud Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …United States Infrastructure organization is currently seeking a **Senior Hybrid Cloud Systems Administrator ** to join the team in **Hazelwood, MO** . This role is ... conduct monthly server patching + Utilize vulnerability scanners like ACAS /Nessus and manage distributed file systems + Maintain and...5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE distro 12 or greater (eg,… more
    The Boeing Company (10/23/25)
    - Save Job - Related Jobs - Block Source
  • Network Security Administrator

    TekSynap (Pensacola, FL)
    **Responsibilities & Qualifications** The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation ... vulnerability scans and ensure remediation of findings using tools such as ** ACAS ** (Tenable/Nessus). + Track, document, and report open security findings and POA&Ms… more
    TekSynap (10/07/25)
    - Save Job - Related Jobs - Block Source