• Linux Administrator

    CACI International (Chantilly, VA)
    …IT Operations team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national security operations. This ... with RMF (Risk Management Framework). Required Qualifications * Active Top Secret clearance (SCI eligibility strongly preferred)....of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System… more
    CACI International (11/13/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals...at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/05/25)
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  • Software Engineer - Embedded & Cloud…

    Lockheed Martin (Colorado Springs, CO)
    …CO, Colorado Springs, CO or King of Prussia, PA\. Clearance Required: Active Top Secret \( TS /SCI preferred\) **Basic Qualifications:** * US Citizenship ... are interested in joining LM and working as a Systems Engineer , please apply to this requisition\....and ability to obtain and maintain a Top Secret /SCI clearance \(Active TS more
    Lockheed Martin (12/14/25)
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  • Linux System Engineer

    CACI International (Laurel, MD)
    Linux System Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... None Type of Travel: None * * * **The Opportunity:** We are seeking a skilled Linux System Engineer to join our dynamic team in Laurel, Maryland. The ideal… more
    CACI International (12/05/25)
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  • Staff Engineer Software

    Northrop Grumman (Melbourne, FL)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... part of history, they're making history. **Northrop Grumman Aeronautics Systems Sector** is seeking a **Staff Engineer ...Position is contingent upon ability to obtain a DoD Top Secret Clearance, can start with interim… more
    Northrop Grumman (12/16/25)
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  • Senior Mission / Systems Engineer

    RTX Corporation (West Valley City, UT)
    …integration and testing efforts. + Ability to obtain and maintain a US government issued Top Secret SCI ( TS /SCI) security clearance required after start. + ... Signal Technology (AST) is seeking a **Senior Mission / Systems Engineer ** who strives for excellence and...and proposal activities related to system development. + Existing Top Secret SCI ( TS /SCI) with… more
    RTX Corporation (12/11/25)
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  • Linux System Engineer

    Huntington Ingalls Industries (Dayton, OH)
    …Time/Salaried/Exempt Anticipated Salary Range: $81,937.00 - $125,104.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare ... Systems (WS), a business group within HII's Mission Technologies...a technical lead to manage, administer, support, and enhance Linux cloud and on premises compute environments, ensuring continuous… more
    Huntington Ingalls Industries (11/17/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …Reverse Engineer /Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer /Officer (ISSE/ISSO) + Data Scientist ... + Systems Engineer + TechSIGINT Analyst + Oracle Database Administration (DBA)...of a degree + Clearance Preferred (and commonly required): TS /SCI with Polygraph. At **Leidos** , we offer **competitive… more
    Leidos (10/18/25)
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  • Associate / Engineer Systems

    Northrop Grumman (Melbourne, FL)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems has an opening for a Associate / Engineer Systems Operations Analyst to join our...ability to transfer and maintain the final adjudicated government Top Secret clearance (DoD must be in-scope… more
    Northrop Grumman (12/18/25)
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  • Cloud Information Systems Security…

    CGI Technologies and Solutions, Inc. (Washington, DC)
    …CGI Federal is currently looking for a Senior-Level Cloud Information Systems Security Engineer with active Top Secret clearance to support a large ... **Cloud Information Systems Security Engineer (ISSE) - Sr**...qualifications to be successful in this role:** * Active Top Secret clearance ( TS ). *… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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