• Mission IT Operator

    CACI International (Denver, CO)
    …for all site issues. This position requires broad knowledge of both Windows and Linux -based systems across a global environment. Shift Work (12 hours a day ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...in support of 24x7 operations. Desired Qualifications: - System administration experience to include UNIX, Linux , and… more
    CACI International (09/19/25)
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  • Mission IT Operator

    CACI International (Denver, CO)
    …for all site issues. This position requires broad knowledge of both Windows and Linux -based systems across a global environment. **Shift Work** (12 hours a day ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...**These Qualifications Would be Nice to Have:** + System administration experience to include UNIX, Linux , and… more
    CACI International (07/30/25)
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  • Software Developer

    SAIC (Chantilly, VA)
    …Building software using OOP principles: preferred experience with Java and/or Python. + Linux systems administration and monitoring. + NoSQL databases, ... operation. This is achieved through the development of software systems . This position is located in Chantilly, VA and...is located in Chantilly, VA and requires an active TS /SCI clearance with Full Scope Polygraph (FSP). Job responsibilities… more
    SAIC (09/24/25)
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  • Windchill Application Administrator, Principal…

    RTX Corporation (Plano, TX)
    …are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret **Windchill Application Administrator (PDM/PLM)** **Business and ... of start date. + You will apply for a Top Secret Clearance after your start date...field and minimum 3 years' experience. + Experience with Linux /Unix commands, operations, and administration + Experience… more
    RTX Corporation (09/19/25)
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  • System Administrator Linux (Onsite)

    RTX Corporation (St. Petersburg, FL)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret We have an immediate career growth opportunity with our ... **What YOU will do:** + You will provide System Administration in a heterogeneous Redhat Enterprise Linux ...eligible for a security clearance. + An active DoD Top Secret clearance is required. + Must… more
    RTX Corporation (09/16/25)
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  • Mult Fnc Info Sys Anlst Sr, System Admin…

    Lockheed Martin (Lemoore, CA)
    …Experience working for or supporting the US military/Foreign Military * A US DoD Top Secret Clearance * COMSEC Experience * Military Flight Operations & Planning ... be required to cross\-train across multiple functions \(Database, Network, Systems , Security, Mission Planning Administration \) \- Multi\-Function Information… more
    Lockheed Martin (07/24/25)
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  • Site Reliability Engineer (Special Programs)

    SpaceX (Hawthorne, CA)
    …and scaling on-premises and/or cloud systems designed PREFERRED SKILLS AND EXPERIENCE: + Active Top Secret , Top Secret SCI, or DOE Level Q clearance ... experience with Kubernetes + 1+ year of experience with Linux operating systems + Experience in Bash,...the art in inferential model benchmarks + Experience with systems administration , site reliability engineering, or DevOps… more
    SpaceX (07/25/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …10-year DOMEX Technology Platform (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration , systems ... of relevant professional experience + Must have an active Top Secret security clearance with the ability...Elasticsearch, Logstash, Kibana and *beats + Experience with Windows Systems Administration and troubleshooting Active Directory +… more
    Leidos (10/01/25)
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  • Windows Engineer

    Koniag Government Services (Vienna, VA)
    …Kadiak and our government customer in Vienna, VA. **This position requires an active Top - Secret security clearance with SCI Poly. This opportunity is offering a ... SysOps Administrator. + Experience with hybrid cloud environments. + Familiarity with Linux -based systems . + Strong understanding of networking concepts and… more
    Koniag Government Services (07/12/25)
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  • Amazon Dedicated Cloud Engineer II, US ADC Compute…

    Amazon (Jessup, MD)
    …Essentials) or SSCP ( Systems Security Certified Practitioner) - 5+ years of Linux systems administration and engineering experience - Experience working ... candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires...systems on a massive scale, and to gain top -notch experience in cloud computing. You'll be surrounded by… more
    Amazon (08/17/25)
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