• Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, ... Grumman Space Systems (NGSP) seeks to fill a **Principal** ** Software Engineer (Level 3) or a Sr....considered in lieu of degree. + **Must have active TS /SCI clearance at time of application** +… more
    Northrop Grumman (10/15/25)
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  • Senior/Principal Cybersecurity Software

    Sandia National Laboratories (Livermore, CA)
    …effectively with stakeholders and internal/external mission partners. + Active DOE Q/SCI security clearance or equivalent DOD Top Secret /SCI security ... critical challenges to enhance our nation's security! We are seeking an experienced Software Engineer (job title: R&D S&E Cybersecurity) to design and implement… more
    Sandia National Laboratories (11/20/25)
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  • Ground Systems Engineer , Level 2…

    Lockheed Martin (Colorado Springs, CO)
    …within 90 days of assignment\) * Strong communication and team motivation skills\. * Active DoD Secret Clearance with the ability to obtain a DoD TS /SCI ... Software Design, Software Development and Implementation, Software Test or Cyber Security\. **Security Clearance ..., you must be a US Citizen for consideration\. ** Clearance Level:** TS /SCI **Other Important Information You… more
    Lockheed Martin (12/11/25)
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  • Software Engineer Sr Advisor…

    General Dynamics Information Technology (Fairfax, VA)
    …of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Software ... of related experience **US Citizenship Required:** Yes **Job Description:** Software Engineer Sr Advisor Deliver simple solutions...Hybrid subject to customer approval * US Citizenship required Clearance Active TS with eligibility for SCI… more
    General Dynamics Information Technology (10/21/25)
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  • Senior Principal SEIT Engineer (Contingent)

    RTX Corporation (Anaheim, CA)
    …efforts. + Ability to obtain and maintain a Top - Secret SCI ( TS /SCI) US government issued security clearance is required. + US citizenship is required, ... Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion...Simulink, or custom RF environments. + Existing Top - Secret SCI ( TS /SCI) security clearance more
    RTX Corporation (10/09/25)
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  • Cyber Systems Engineer - level 3 or 4

    Northrop Grumman (Dulles, VA)
    …with 1 year of cyber systems experience + Requires an **active** Top - Secret /Sensitive Compartmented Information (SCI) clearance [ TS /SCI] **at time of ... with 4 years of cyber systems experience + Requires an **active** Top - Secret /Sensitive Compartmented Information (SCI) clearance [ TS /SCI] **at time of… more
    Northrop Grumman (12/02/25)
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  • Software Engineer

    Lockheed Martin (King Of Prussia, PA)
    …government security clearance , you must be a US Citizen for consideration\. ** Clearance Level:** Top Secret **Other Important Information You Should ... We are seeking a highly skilled, motivated, and experienced Software Engineer to join our dynamic team\....skills * Must be able to obtain a DoD Secret Clearance **Desired Skills:** Bachelor's Degree in… more
    Lockheed Martin (12/10/25)
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  • Senior Mission / Systems Engineer

    RTX Corporation (West Valley City, UT)
    …efforts. + Ability to obtain and maintain a US government issued Top Secret SCI ( TS /SCI) security clearance required after start. + US citizenship ... as only US citizens are eligible for a security clearance **Security Clearance :** TS /SCI with...and proposal activities related to system development. + Existing Top Secret SCI ( TS /SCI) with… more
    RTX Corporation (12/11/25)
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  • Software Engineer Sr

    Lockheed Martin (Herndon, VA)
    …to drive continuous improvement and stakeholder alignment\. US Citizenship required for this role\. Top Secret Clearance required to start the position with ... security clearance , you must be a US Citizen for consideration\. ** Clearance Level:** TS /SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (12/11/25)
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  • Senior Software Engineer

    RTX Corporation (Cedar Rapids, IA)
    …Intelligence & Machine Learning techniques + Active and transferable US government issued Top Secret with SCI security clearance preferred Mission Systems: ... are eligible for a security clearance **Security Clearance :** DoD Clearance : TS /SCI Collins...Advanced Technology & Capabilities (ATC) Engineering seeks a Senior Software Engineer to join the Disruptive Systems… more
    RTX Corporation (09/23/25)
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