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ClearanceJobs

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About ClearanceJobs

ClearanceJobs is the largest career network for professionals with federal government security clearance. Our Talent Solutions Team assists Federal Government contractors in filling positions on their active contracts via contract, contract to hire and permanent placement (direct hire) services.

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Recent Activity
  • An Employer added a new network connection
    Today12:39 PM
  • An Employer sent a broadcast message
    Yesterday9:53 PM
  • An Employer added a new network connection
    Yesterday9:04 PM
  • An Employer updated their profile
    Yesterday7:54 PM
  • An Employer posted a job: Linux Software Engineer
    Yesterday7:43 PM
  • An Employer added a new network connection
    Yesterday5:39 PM
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Group Message Yesterday at 9:53 PM
Cleared TS/SCI - Midwest/SW

We’re supporting a new 5‑year government contract in Littleton, CO, and seeking a Senior HPC Linux Software Engineer. This role is fully on‑site, supporting an R&D HPC customer environment. Candidates should have 10+ years of experience, strong Linux proficiency, Fortran/C/C++ skills, modeling/simulation background, and experience supporting HPC user workflows. TS/SCI with CI Poly required for consideration. If you’re interested, message me directly for details.

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Hiring Needs Yesterday at 7:54 PM
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Linux Software Engineer - TS/SCI w/ CIP

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Group Message 02/27/26
Cleared in Arizona

EXCITING OPPORTUNITY to put your C++/C# programming skills to work directly supporting the warfighter! Our client operates the flight simulators used to train our nations fighter pilots. They are seeking a FULL-TIME employee for 100% on-site work in Mesa, AZ. Please see details in the job post, apply if interested or let me know if you have any questions! I look forward to reviewing your candidacy!

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Hiring Needs 02/27/26
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F16 flight simulator Software Engineer opening - Arizona (C#/C++)

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Hiring Needs 02/27/26
Hiring Now

F16 flight simulator Software Engineer opening - Arizona (C#/C++)

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