• Systems Engineering, MBSE

    Lockheed Martin (Littleton, CO)
    …as implementing model analysis and execution * Active or Current Top Secret security clearance with eligibility for SCI \- T5 investigation required ... for you\. Lockheed Martin seeks a highly motivated **Systems Engineer for Model Based Systems Engineering \(MBSE\)** to join...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (08/23/25)
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  • Lead Electrical Systems Integrator

    Lockheed Martin (Littleton, CO)
    …the component, subsystem, or system level * Active or Current Top Secret security clearance with eligibility for SCI \- T5 investigation required **Desired ... Opportunity Management * Prior experience as a Responsible Systems Engineer \(RSE\) or Certified Principal Engineer \(CPE\)...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (08/15/25)
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  • Software Engineer

    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** ... Martin Space are seeking a full\-time Early Career Software Engineer for the Ground Software Team\. The engineer...degree or above\.** **Selected candidate must have an active TS security clearance for consideration\.** Our employees play an… more
    Lockheed Martin (10/01/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    …experience may be substituted for a bachelor's degree. + **Clearance Requirement: Top Secret / SCI with Polygraph** **Preferred Qualifications** + Experience ... **Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (10/09/25)
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  • Sr. Software Engineer

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Solutions Business Area, is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers mission-driven software… more
    Leidos (10/05/25)
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  • Software Engineer SME

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Decision Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for the Chinook Program. The Chinook… more
    Leidos (10/05/25)
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  • Sr. Integration Systems Engineer

    Parsons Corporation (Boulder, CO)
    …for system integration validation and ICD constructs **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on...operations + Assist in the development and evaluation of information system security policies, with an emphasis on network… more
    Parsons Corporation (09/23/25)
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  • Senior Cloud Engineer

    KBR (Colorado Springs, CO)
    …Hours: Flexible Qualifications: Required: + Security Clearance: Must have an active US government Top Secret security clearance with the ability to obtain SCI ... Title: Senior Cloud Engineer Belong. Connect. Grow. with KBR! KBR's National...identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (09/19/25)
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  • Project Systems Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …efforts and operational system utilization Required Experience: + US Citizen + Current Top - Secret clearance with SCI eligibility. + Bachelor's Degree in ... to our nation and global customers. Kratos has an opportunity for a System Engineer in support of a Department of Defense (DOD) customer. The DOD customer oversees… more
    Kratos Defense & Security Solutions, Inc. (09/06/25)
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  • Test Automation Engineer

    Parsons Corporation (Colorado Springs, CO)
    …Possess a Security+ certification or willing to obtain one. + Currently hold a Top Secret security clearance with SCI eligibility **Security Clearance ... subject matter experts with brilliant technologists. Are you an experienced Test Automation Engineer looking for an opportunity to grow your skillset? Do you want to… more
    Parsons Corporation (08/22/25)
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