• Experienced Full-Stack Software

    The Boeing Company (Aurora, CO)
    …future with us. The Boeing Company is currently seeking an **Experienced Full-Stack Software Engineer ** to support our **FishTools** team located in **Aurora, CO ... FishTools program seeks a hardworking, motivated, and creative full-stack software developer to engineer new solutions and...(Required Skills/ Experience):** + This position requires an **active Top Secret with SCI eligibility US Security… more
    The Boeing Company (12/25/25)
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  • Systems Engineer (Level 3 ), RF…

    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 (12/25/25)
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  • Principal Software Systems Integration…

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... history. Northrop Grumman Space Systems is seeking a **Principal Software Systems Integration and Test Engineer ** to...field from an accredited University or College + Active Top - Secret clearance at the time of application,… more
    Northrop Grumman (12/19/25)
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  • Software Engineer 3 /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, our ... architecture + Experience with publisher/subscriber architectures + **Must have current** ** Top Secret /SCI security clearance at time of application**… more
    Northrop Grumman (11/18/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …architecture making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (11/07/25)
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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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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Highlands Ranch, CO)
    …the selected applicant must: 1\) Be eligible to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) 2\) Be willing to consent ... and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling these systems in… more
    Lockheed Martin (12/11/25)
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  • Software Engineer

    Lockheed Martin (Littleton, CO)
    …to obtain a Secret clearance before start and willingness to obtain TS /SCI clearance * Familiarity with the full Software Development Life Cycle \(SDLC\) ... on a recurring multi\- year, critical program seeking a Software Engineer who likes to be challenged...authentication, data encryption\) and secure development handling classified information \( Secret / TS /SCI\) * Active TS /SCI clearance… more
    Lockheed Martin (12/18/25)
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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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  • 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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