• Systems Engineer

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

    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 ... Space Systems (NGSP) is seeking a **Sr. Principal** **Systems Engineer ** to support a program out of our **Aurora,...experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of… more
    Northrop Grumman (09/24/25)
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  • Electronics Responsible Engineer IV

    Lockheed Martin (Littleton, CO)
    …to start in this position, you will need to obtain and maintain a **DoD Top Secret clearance** , thus **US Citizenship is required** \. **Basic Qualifications:** ... **Description:** Please join us as a **Responsible Product Engineer /Certified Principal Engineer ** , where you...you will need to obtain and maintain a DoD Top Secret clearance, thus US Citizenship is… more
    Lockheed Martin (11/09/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …Excellent communication and interpersonal skills\. * Ability to obtain and maintain a Top Secret \( TS \) security clearance\. **Desired Skills:** * Experience ... professionals to work on the Trusted Security Solutions \(TSS\) program to engineer Cross\-Domain Solution \(CDS\) products\. This position is for a Systems … more
    Lockheed Martin (11/12/25)
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  • DevSecOps Engineer

    SMX (Boulder, CO)
    …& Experience** + This position will require the ability to obtain a US government DoD Top Secret Security clearance. Interim or Active DoD Top Secret ... DevSecOps Engineer (4387)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO...as Jira and Confluence. + Interim or Active DoD TOP SECRET security clearance or higher **Application… more
    SMX (10/29/25)
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  • Systems Engineer (Level 3), RF Systems…

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... and mission\-critical hardware\. \- Experience integrating and verifying complex hardware and software systems at the subsystem or system level\. \- Active TS more
    Lockheed Martin (11/01/25)
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  • Principal OR Senior Principal Field Service…

    Northrop Grumman (Keystone, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... to add a **Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team...by Company, based on OCONUS location. + **Active DoD Top Secret clearance** (with a background investigation… more
    Northrop Grumman (09/17/25)
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  • Mid Career Cybersecurity Engineer

    Lockheed Martin (Littleton, CO)
    …facility that requires special access\. The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 **Basic ... **Description:** You will be the Mid\-Career Cybersecurity Engineer for the Cybersecurity team which is responsible...and analysis of mitigation solutions + Working with the software development team on the integration of secure coding… more
    Lockheed Martin (10/22/25)
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  • Senior Information Systems Security…

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... as Amazon AWS and Microsoft Azure platforms **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ This… more
    Parsons Corporation (10/11/25)
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  • Engineer II - Mission Ops Systems…

    BAE Systems (Boulder, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with ability to obtain and maintain ... **Job Description** We re seeking a self-motivated systems engineer to join our Systems Operations & Sustainment...TS /SCI. + Experience in mission operations, including one or… more
    BAE Systems (11/07/25)
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