• Systems Engineer - Coordination/Correlation…

    Lockheed Martin (Littleton, CO)
    …and System Interface Requirements * Ability to obtain and maintain a Top Secret Security Clearance; US Citizenship required **Desired Skills:** *Government/DoD ... Engineering Integration Team and Test \(SEIT\) as a Systems Engineer \. The SEIT Requirements and team handles all System...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (10/01/25)
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  • Systems Integration Engineer

    Lockheed Martin (Littleton, CO)
    …design, test, or analysis of Electrical, RF, or Software products or subsystems * Active DoD Secret security clearance with ability to obtain a Top ... Integration and Test \(SEIT\) team as a Systems Integration Engineer \. We have a Weapon System level view of...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (10/01/25)
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  • UAS Conceptual Design Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …creatively to develop innovative design solutions. + **Ability to obtain/maintain a Top Secret US Security Clearance is required** **Qualifications We Prefer:** ... seeking a highly skilled and innovative UAS Conceptual Design Engineer to join our dynamic engineering team. This role...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (08/25/25)
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  • Systems Engineer - IT / Windows…

    Lockheed Martin (Louisville, CO)
    …**Basic Qualifications:** * DoD SECRET clearance with ability to upgrade to TOP SECRET * Demonstrated experience with configuring and maintaining Windows OS ... both transform and standardize Classified IT delivery\. This System Engineer will be an integral part of our enterprise...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (08/22/25)
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  • Software Engineer

    ManTech (Aurora, CO)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Software Engineer ** to join our team located in the **Aurora, CO** area. ... **Minimum Requirements:** + 3+ years of experience as a software engineer in programs and contracts of...Rancher, and Kubernetes. **Clearance Requirement:** + Must have a current/ active TS /SCI with Poly **Physical Requirements:** +… more
    ManTech (09/30/25)
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  • Engineer II Embedded Software

    BAE Systems (Broomfield, CO)
    …Mission Systems is looking to expand our team with a talented and energetic software engineer focused on delivering high-quality, embedded satellite software ... of Education, US Department of Education. + A current, active Secret security clearance is required with...be available based on position level and/or job specifics. ** Engineer II Embedded Software ** **116108BR** EEO Career… more
    BAE Systems (09/11/25)
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  • Engineer II Ground Software

    BAE Systems (Westminster, CO)
    …Mission Systems is looking to expand our team with a talented and energetic software engineer focused on delivering high-quality, embedded satellite software ... of Education, US Department of Education. + A current, active Secret security clearance is required, with...be available based on position level and/or job specifics. ** Engineer II Ground Software ** **116109BR** EEO Career… more
    BAE Systems (09/11/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... bonus!** **Job Summary** We are seeking a highly skilled Software Engineer to design, develop, and enhance...with Java development + **Clearance Required:** Must have an active TS /SCI with Polygraph. **Preferred Qualifications** +… more
    Leidos (08/28/25)
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  • Software Engineering Lead

    Parsons Corporation (Colorado Springs, CO)
    …+ Security+ Certification + AWS Cloud Practitioner Certification **Security Clearance Requirement:** An active Top Secret SCI security clearance is required ... matter experts with brilliant technologists. Are you an experienced software engineer looking to grow your skillset...initiative to learn new tools and concepts quickly. + Active TS security clearance, with SCI eligibility… more
    Parsons Corporation (09/26/25)
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  • Systems Engineer - Requirements…

    Lockheed Martin (Littleton, CO)
    …requirements and verification \(including requirement engineering, requirements management, verification\) * Active security clearance \( Secret or Top \- ... interested in joining LM and working as a Systems Engineer , please apply to this requisition\. This event is...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (08/27/25)
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