• Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...be a condition of continued employment + Must have Linux Operating Systems support experience + … more
    Northrop Grumman (01/07/26)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    …Security\+, CASP, CISSP\), within 6 months of starting the position * Experience with Linux /UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, ... configuring, securing, hardening, remediating, testing, upgrading and decommissioning of Linux Workstations, servers, network switches, virtual servers, physical servers,… more
    Lockheed Martin (11/20/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA ... Business & Digital Transformation \(EBDT\) organization\. **Basic Qualifications:** * Active Secret clearance * Knowledge of Linux /UNIX Server Administration *… more
    Lockheed Martin (11/20/25)
    - Save Job - Related Jobs - Block Source
  • Linux /Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify ... our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you...Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux more
    Lockheed Martin (12/11/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …location for this position is Littleton, CO\. The Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, ... connectivity and other IT related issues\. The Multi\-Function Information Systems Analyst will assist with Information Assurance, performing environmental… more
    Lockheed Martin (12/04/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In… more
    CACI International (01/02/26)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Job Description RTX Corporation is an Aerospace and...+ Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply… more
    RTX Corporation (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Secret Linux System…

    Insight Global (Colorado Springs, CO)
    …in the Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team supporting a DoD ... program. The System Administrator will work to maintain multi-user computer systems...& IT infrastructure. Candidate will sustain operational Red Hat Linux systems and provide daily support for… more
    Insight Global (01/07/26)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …how our customers operate while you advance your career. Join GDIT as a **Senior Linux Systems Administrator ** and build an impactful career in enterprise ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure...you. MEANINGFUL WORK AND PERSONAL IMPACT As a **Senior Linux Systems Administrator ** , the… more
    General Dynamics Information Technology (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    Leidos (Camp Springs, MD)
    … Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ ... The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the...and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator ,… more
    Leidos (12/20/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    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 will support ... Senior Systems Administrator ( Linux ) Location...Senior Systems Administrator ( Linux ) Location HI - Kaua'i...CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 or equivalent… more
    Alaka'ina Foundation Family of Companies (11/20/25)
    - Save Job - Related Jobs - Block Source
  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an...environments. + Candidates must have a current DoD **Top Secret /SCI** level security clearance to include a recent **Polygraph**… more
    Northrop Grumman (11/15/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required with T5 ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,… more
    Amentum (12/24/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator (Unix/…

    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 Administrator ... 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 Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...Top Secret + 6+ years' experience administering Linux /Unix systems and networks + Experience with… more
    SMX (12/04/25)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...hardware, software, and system components. + Perform as a Linux systems administrator for a… more
    Northrop Grumman (01/06/26)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an active secret security clearance as… more
    RTX Corporation (12/02/25)
    - Save Job - Related Jobs - Block Source
  • Linux /Unix Systems

    BAE Systems (Kula, HI)
    …Other incentives may be available based on position level and/or job specifics. ** Linux /Unix Systems Administrator ** **119388BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking a full-time System Administrator...* **Required Education, Experience, & Skills** + Active Top Secret with SCI eligibility + Must have or obtain… more
    BAE Systems (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our ... require in person/on-site support. Please note an active Top Secret Clearance is required to be considered for this...this role. Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets +… more
    JHNA (11/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator (Unix/…

    TekSynap (Dahlgren, VA)
    …Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** ** Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) ... Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of critical Navy… more
    TekSynap (10/31/25)
    - Save Job - Related Jobs - Block Source