• Lead CNO Software Engineer

    ManTech (Aurora, CO)
    **MANTECH** seeks a highly experienced and mission-focused **Lead Software Engineer ** to join our CNO team in **Aurora, CO.** As a Senior Software ... with programming in assembly languages **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph security clearance and be willing and able to… more
    ManTech (10/29/25)
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  • Full-stack Software Engineer Level 3…

    Northrop Grumman (Aurora, CO)
    …**Requires an** **active** **DoD Top - Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility, at time of ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...the job** : **This requisition is sourcing a Full-Stack Software Engineer with a focus on the… more
    Northrop Grumman (12/12/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel ... Posting End: 1/1/2026 **The Opportunity:** CACI is seeking a Software Engineer to join a highly energetic...the impact of your work. **Qualifications:** **Required:** + Active TS / SCI with the ability to obtain a… more
    CACI International (12/04/25)
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  • Senior Specialist, Software Engineer

    L3Harris (Colorado Springs, CO)
    …related experience. In lieu of a degree, minimum of 10 years of prior related experience. + Top Secret or TS / SCI Clearance + Experience in VMWare and ... the interest of national security. Job Title: Senior Specialist, Software Engineer / Virtualization Engineer ...troubleshooting and support of new system fielding. + Maintain Top Secret Clearance, which requires US Citizenship.… more
    L3Harris (12/20/25)
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  • X-LAB Software Engineer

    Lockheed Martin (Schriever AFB, CO)
    …* Experience in the use of software test and analysis tools **Desired Skills:** * Top Secret Clearance with SCI eligibility is a plus * Experience with ... We are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (11/14/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: ... + The ability to obtain and maintain and US Government Clearance at the TS / SCI level. + Previous experience with wireless protocols (eg, 3GPP cellular protocols,… more
    CACI International (11/14/25)
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  • Embedded Software Engineer

    Insight Global (Broomfield, CO)
    …to support mission essential systems for a Space & intelligence company. As an embedded software engineer , you will be playing a critical role in the design, ... implementation, and delivery of software in challenging and complex problem spaces. Engineers will...related discipline Ability to obtain a DoD Security Clearance ( TS / SCI ) 3-15 years of related experience or… more
    Insight Global (12/09/25)
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  • Java Software Engineer

    CACI International (Aurora, CO)
    Java Software Engineer Job Category: Engineering Time Type:...in a STEM field + 5+ years of relevant software development experience + Active TS / SCI ... Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage... software development and automated testing! **An active TS / SCI clearance with Polygraph is required to… more
    CACI International (10/03/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular ... **Qualifications:** _Required:_ * Java development using Spring * Active TS / SCI with Poly * 5 years of... with Poly * 5 years of experience in software engineering for information technology * Bachelor's… more
    CACI International (10/16/25)
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  • Sr Software Engineer

    Lockheed Martin (Boulder, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and...Development experience in C\+\+\. * Ability to obtain a secret government clearance **Desired Skills:** * Bachelor's degree from… more
    Lockheed Martin (10/31/25)
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