• Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …with a Master's; 4 years of relevant experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of application and willingness to ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of... Systems (NGSP) is seeking a **Sr. Principal** ** Systems Engineer ** to support a program out… more
    Northrop Grumman (12/24/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …and leadership skills with the ability to engage internal and external stakeholders\. * Active DoD Top Secret clearance or higher, or the ability ... are interested in joining LM and working as a Systems Engineer , please apply to this requisition\....mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\.… more
    Lockheed Martin (11/02/25)
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  • Systems Engineer

    ISYS Technologies (Schriever AFB, CO)
    …a customer in Colorado Springs, CO .This position will be on-site and will require an active Top Secret /SCI clearance. + Position is normally Mon - Fri: ... Minimum Clearance Required Top Secret SCI Responsibilities I2X Technologies...of our government customers. I2X Technologies is seeking a Systems Engineer to support ongoing activities for… more
    ISYS Technologies (12/10/25)
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  • Space Vehicle Responsible Systems

    Lockheed Martin (Littleton, CO)
    …Avionics, RF, Communication, etc\.\) * Technical leadership of small teams or projects * Active or Current Top Secret Security Clearance \- U\.S\. ... Lockheed Martin seeks an innovative and talented **Spacecraft Responsible Systems Engineer \(RSE\)** to join the Global...to work in a fast\-paced, dynamic team environment * Active or Current TS /SCI **Security Clearance Statement:**… more
    Lockheed Martin (12/11/25)
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  • Requirements Engineer

    Lockheed Martin (Littleton, CO)
    …requirements management, and/or verification\) * Familiarity with MBSE concepts including Cameo * Active or Current Top Secret , US Citizenship required ... mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\....MBSE concepts in a Systems Engineering role Active or Current TS /SCI Clearance; **Security Clearance… more
    Lockheed Martin (11/15/25)
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  • Systems Engineer (Level 3), RF…

    Lockheed Martin (Littleton, CO)
    …must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is contingent ... software systems at the subsystem or system level\. \- Active TS /SCI security clearance required\. **Desired Skills:** \- Prior Lockheed Martin Test… more
    Lockheed Martin (12/25/25)
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  • Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is contingent ... this role look like?** \- Lead a team of Systems Engineers in the development and delivery of a...and test at the subsystem or system level\. \- Active TS /SCI security clearance required\. \- Ability… more
    Lockheed Martin (12/11/25)
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  • Systems Engineer Senior Staff (Level…

    Lockheed Martin (Littleton, CO)
    …directions to a billion people worldwide\. Lockheed Martin is looking for a dedicated Systems Engineer to join the team in Waterton, Colorado supporting Space ... Agency's Proliferated Warfighter Space Architecture programs\. As the Responsible Systems Engineer \(RSE\) within the SEIT team...defense programs * Ability to obtain and maintain a Top Secret /SCI Security Clearance, thus US Citizenship… more
    Lockheed Martin (12/30/25)
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  • Engineer IV

    General Atomics (Englewood, CO)
    …Ability to obtain and maintain a DoD security clearance is required. An active DoD Top Secret ( TS ) security clearance or the ability to obtain TS /SCI ... Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range… more
    General Atomics (12/11/25)
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  • Systems Engineer

    Lockheed Martin (Denver, CO)
    …## Eligibility MUST BE AU\.S\. CITIZEN \- The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. **Basic ... **Description:** You will be a ** Systems Engineer ** for the R&D team that...Qualifications:** + ** Active TS clearance with SCI elegability required prior… more
    Lockheed Martin (12/20/25)
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