• Senior Systems Engineer Staff, Level 5…

    Lockheed Martin (Aurora, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... find a career that's built for you\. This Chief Engineer role is within the Double Eagle organization supporting...analytical and problem\-solving skills * Must have an active TS / SCI clearance and CI poly **Desired Skills:**… more
    Lockheed Martin (11/09/25)
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  • Satellite Systems Engineer

    CACI International (Aurora, CO)
    …Job Category: Intelligence Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... and optimization **Qualifications:** _Required:_ + 3-6 years applicable experience + Active TS / SCI with Polygraph ] + Strong communication skills, highly… more
    CACI International (10/23/25)
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  • Software Engineer

    CACI International (Denver, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... End: 12/1/2025 **The Opportunity:** CACI is seeking a Software Engineer to join a highly energetic and fast-paced team...the impact of your work. **Qualifications:** **Required:** + Active TS / SCI with the ability to obtain a… more
    CACI International (10/23/25)
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  • Engineer II - Space Vehicle Simulators…

    BAE Systems (Boulder, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required with the ability to obtain and maintain a ... SMS Space Vehicles. This position is for a software engineer that will report to the manager of Space... TS / SCI Polygraph. + Experience developing model based… more
    BAE Systems (10/11/25)
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  • Cyber Security Engineer

    Lockheed Martin (Boulder, CO)
    …\(RMF\) - NIST SP 800‑53\. * Ability to obtain and maintain a DoD Secret clearance \( TS / SCI preferred\)\. **Desired Skills:** * Bachelor's degree in ... to obtain and maintain a DoD clearance up to TS / SCI and the ability to travel\. **Basic...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (10/11/25)
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  • Senior DevSecOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... We have an exciting opportunity for a Senior DevSecOps Engineer to join our high-impact team supporting a mission-critical...Helm deployments). + Active and transferable US government issued TS / SCI security clearance is required prior to… more
    RTX Corporation (10/01/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …of relevant experience with a completed PhD-STEM + **Must have an Active/Final TS / SCI DoD security clearance at the time of application, with ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (09/20/25)
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  • Cyber Software Engineer - Early Career

    Lockheed Martin (Denver, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... one or more operating systems: _Linux, Unix, macOS, Windows, Android, iOS_ **Active TS clearance with SCI eligibility required prior to start\.** **Desired… more
    Lockheed Martin (11/09/25)
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  • Software Engineer

    CACI International (Denver, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... Knowledge of Microsoft software applications and other software applications as required **A TS / SCI clearance is required to begin employment. For this position,… more
    CACI International (11/07/25)
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  • Software Developer / Engineer

    CACI International (Aurora, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: None Type of ... Sterling, VA or Aurora, CO * Clearance: Must have TS / SCI with poly (or be willing to...* Experience with Web/Front End * Experience developing within Linux environment. * Experience with containers or microservice architecture.… more
    CACI International (10/21/25)
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