• Network Timing Engineer

    CACI International (Denver, CO)
    Network Timing Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... on an ongoing basis. **Opportunity:** We are seeking an experienced Network Engineer to design, implement, and maintain a CAN/LAN environment hosting complex command… more
    CACI International (10/24/25)
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  • Optical Engineer - Intern

    Lockheed Martin (Louisville, CO)
    …of optical design\. \- Must have the ability to obtain a security clearance \. \- Must be a US Citizen\. **Desired Skills:** Demonstrated ability using optical ... \(i\.e\. Code V, ZEMAX\)\. Basic knowledge of MATLAB or other programming software \. Basic knowledge of optical analysis techniques\. Basic knowledge of stray… more
    Lockheed Martin (01/14/26)
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  • Sr Electrical Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …+ Experience using Altium Designer, KiCAD or other industry standard PCB design software . + Hands-on test experience in a lab environment using test equipment such ... ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position...required as this position needs an active US Security Clearance for employment. Non-U.S. citizens may not be eligible… more
    Sierra Nevada Company, LLC (12/09/25)
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  • Electrical Engineer II

    Sierra Nevada Company, LLC (Colorado Springs, CO)
    …including requirements and maintenance guides + Use engineering or design software to create diagrams, schematics and layouts + Troubleshoot devices and ... ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position...required as this position needs an active US Security Clearance for employment. Non-U.S. citizens may not be eligible… more
    Sierra Nevada Company, LLC (11/21/25)
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  • Staff / Sr Staff Cybersecurity Engineer

    SciTec (Boulder, CO)
    …type. Further, US citizenship is a requirement to obtain and keep a security clearance . Applicants that do not meet these requirements will not be considered. SciTec ... security of multiple applications into orchestrated frameworks + Ensure software promotions comply with government security policies at all...The ability to obtain and maintain a DoD security clearance + Ability to work 100% on-site + Detail… more
    SciTec (11/24/25)
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  • Systems Engineer Associate-Early Career

    Lockheed Martin (Highlands Ranch, CO)
    …responsibility\. Your Mission is Ours\. Lockheed Martin Space is seeking a Systems Engineer Associate to join the Mission Integration team on the Orion Program\. In ... Integration across the Systems lifecycle including Mission Use Cases, Hardware/ Software Systems Integration, Data Implementation and Test Execution & Post\-Test… more
    Lockheed Martin (01/17/26)
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  • Industrial Engineer

    SAIC (Colorado Springs, CO)
    **Description** SAIC is seeking a hands-on and innovative Industrial ICS Testbed Engineer to join our dynamic team. The successful candidate will be responsible for ... safe, controlled environment. + Manage the lab environment, including hardware/ software updates, configuration management, and troubleshooting of physical and… more
    SAIC (01/13/26)
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  • Senior Lead Engineer - Public Sector

    Lumen (Denver, CO)
    …expected the member will be able to rapidly identify and resolve problems, engineer , identify, and become proficient in the latest technology applicable to the ... maintains automation solutions (playbooks, roles) for deploying IT Infrastructure, software , managing configurations, and orchestrating workflows using Ansible, Python/Bash… more
    Lumen (01/09/26)
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  • Model Based Systems Engineer

    SAIC (Broomfield, CO)
    **Description** We are seeking a highly skilled Model-Based Systems Engineer (MBSE) to join our team. The ideal candidate will have a strong foundation in ... solutions that balance performance, cost, and risk. + Collaborate with software , hardware, and network engineering teams to establish scalable, end-to-end systems.… more
    SAIC (12/17/25)
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  • Engineer Senior Mission Systems Integration

    BAE Systems (Boulder, CO)
    …and Test activities post-launch due to issue resolution, space vehicle software updates, ground system updates, and operations updates. + Support Discrepancy ... Board (CRB), interface with the customer, help manage flight software and command and control element (CCE) releases as...Department of Education. + A current, active TS/SCI security clearance is required with ability to obtain and maintain… more
    BAE Systems (12/16/25)
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