• Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel ... is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in...tools, and best practices. **Qualifications:** _Required:_ * An Active TS /SCI Clearance with Polygraph. * Security+ or DoD 8570… more
    CACI International (11/01/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current CI ... required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly...- Experience writing detailed, technical documentation -8570 Compliance -Active TS /SCI + CI Poly - Ability to respond to… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior . Platform Engineer

    RTX Corporation (Aurora, CO)
    …world. Raytheon Technologies (RTX) is seeking a talented ** Senior Platform Linux - (Front End Processor (FEP) Engineer )** with experience in traditional ... Technical Exchange Meetings (TEMs) to help develop the environment from requirements. The ** Senior Platform Linux (FEP) Engineer ** will support design,… more
    RTX Corporation (12/02/25)
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  • Senior . Platform Engineer

    RTX Corporation (Aurora, CO)
    …problems that create a safer, more secure world. Raytheon Technologies (RTX) is seeking a ** Senior Platform Engineer / Linux ** with well-rounded Linux ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything...Customer for Technical Exchange Meetings (TEMs) as required. The ** Senior Platform Engineer / Linux **… more
    RTX Corporation (11/19/25)
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  • Principal Platform Engineer / Linux

    RTX Corporation (Aurora, CO)
    …safer, more secure world. Raytheon Technologies (RTX) is seeking a **Principal Platform Engineer / Linux ** with well-rounded Linux Infrastructure Engineering ... Customer for Technical Exchange Meetings (TEMs) as required. The **Principal Platform Engineer / Linux ** would be involved with development, implementation of… more
    RTX Corporation (09/09/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    …deep web and dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR ... **Description** Seeking a Senior Systems/Network Engineer , working with a...day one. + KEY - Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in… more
    SAIC (09/20/25)
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  • Sr . Site Reliability Engineer

    SpaceX (Hawthorne, CA)
    Sr . Site Reliability Engineer - Top Secret Clearance (Application Software, Data) Hawthorne, CA Apply SpaceX was founded under the belief that a future ... human life on Mars. SR . SITE RELIABILITY ENGINEER , DATA - TOP SECRET ...integration, build, deployment and monitoring ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI. Note… more
    SpaceX (12/07/25)
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  • Sr . Software Engineer , HITL…

    SpaceX (Hawthorne, CA)
    Sr . Software Engineer , HITL - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring ... enabling human life on Mars. SR . SOFTWARE ENGINEER , HITL - TOP SECRET ...weekends when needed COMPENSATION AND BENEFITS: Pay range: Software Engineer / Senior : $160,000.00 - $220,000.00/per year Your actual… more
    SpaceX (12/07/25)
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  • Sr . Software Engineer (Special…

    SpaceX (Hawthorne, CA)
    Sr . Software Engineer (Special Projects) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is ... enabling human life on Mars. SR . SOFTWARE ENGINEER (SPECIAL PROJECTS) - TOP SECRET...with operational needs. COMPENSATION AND BENEFITS: Pay Range: Software Engineer / Senior : $160,000.00 - $220,000.00/per year Your actual… more
    SpaceX (12/07/25)
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  • Sr . Site Reliability Engineer

    SpaceX (Redmond, WA)
    Sr . Site Reliability Engineer (Starshield) - Top Secret Clearance Redmond, WA Apply SpaceX was founded under the belief that a future where humanity is ... human life on Mars. SR . SITE RELIABILITY ENGINEER (STARSHIELD) - TOP SECRET ...with operational needs. COMPENSATION AND BENEFITS: Pay Range: Software Engineer / Senior : $160,000.00 - $220,000.00/per year Your actual… more
    SpaceX (12/07/25)
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  • Sr . Software Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** * As a Software Engineer ... Lockheed Martin Rotary and Missions Systems \(RMS\) as a Senior Software Engineer \! Lockheed Martin is a...**Basic Qualifications:** * Security Clearance required prior to start: Top Secret * Experience developing full stack… more
    Lockheed Martin (11/06/25)
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  • IT Systems Engineer , Sr

    Lockheed Martin (King Of Prussia, PA)
    …Citizenship is a requirement to work at this facility \(No dual citizenship\)\. \- Top Secret level security clearance required\. \- Ability to move, rack, stack ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/07/25)
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  • Principal/ Senior Principal Systems…

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... the Team:** We are looking for a Principal or Senior Principal Systems Engineer to join our...+ Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has… more
    Northrop Grumman (11/21/25)
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  • Sr . Cyber Systems Engineer (Active…

    Northrop Grumman (Tampa, FL)
    …with 9 years of IT experience is required. + US Citizenship is required. + Active Top Secret / SCI security clearance is required to be considered. + Must ... tasks. **These positions can be filled at the Principal Engineer or the Sr . Principal Engineer...is required. + US Citizenship is required. + Active Top Secret / SCI security clearance is… more
    Northrop Grumman (10/02/25)
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  • Sr . Principal DevOps Deputy/Lead…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... We have an opening for a **Deputy/Lead DevOps Lead Engineer ** to join our team of qualified, diverse individuals...OpenShift + US Citizenship with a current or active Top - Secret clearance at time of application The… more
    Northrop Grumman (11/04/25)
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  • SAP NS2 Sr . Intel DevOps Engineer

    SAP (Herndon, VA)
    …benefits, and a team that wants you to grow and succeed. **SAP NS2 Sr . Intel DevOps Engineer - TS /SCI poly-Onsite-Chantilly, VA** **NS2 COMPANY DESCRIPTION** ... infrastructure customers. Must be a US Citizen with active TS /SC with Poly; NS2 does not offer Visa sponsorships...have manager's approval to transfer. The NS2 Intel DevOps Engineer candidate will be responsible for leading the development… more
    SAP (12/04/25)
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  • Cyber Security Implementation Engineer

    CACI International (St. Louis, MO)
    …and cloud-based cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/14/25)
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  • Senior Network Engineer - Top

    Cambridge International Systems Inc (Charleston, SC)
    Senior Network Engineer - Top Secret Clearance | Charleston, SC Cambridge International Systems, Inc. Join a dynamic global team united by shared values: ... in defense and security. We are currently seeking a Senior Network Engineer to support operations in...is a full-time CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (10/07/25)
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  • Sr . Full Stack Infrastructure…

    Lockheed Martin (King Of Prussia, PA)
    …technology to help our customers achieve their missions\. The Work: As a Full Stack Engineer on the ECIW team, you will: \- Work in an agile scrum environment ... for all of the client/server/storage/network devices \- Patch, harden and upgrade Linux RedHat OS and related virtualization platforms while working with Security… more
    Lockheed Martin (11/05/25)
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  • Sr . Software Engineer TS

    Leidos (Aurora, CO)
    **Description** Leidos has an exciting opportunity for a Sr . Software Engineer ! *Must have an active TS /SCI Polygraph up front. No exceptions.* You will ... as both an individual and a member of our top -notch agile development team building a large complex enterprise...and shared actions for developers and testers. You will engineer , author, tune and document automation scripts in a… more
    Leidos (09/10/25)
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