• Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …This position requires the ability to obtain and maintain a Top Secret US Security Clearance . US Citizenship status is required as this position needs an ... SNC is on the lookout for a Systems Engineer with expertise in sensor systems to support...active US Security Clearance for employment. Non-U.S. Citizens may… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Principal/Sr Principal Engineer Sys - PKI…

    Northrop Grumman (Colorado Springs, CO)
    …**Colorado Springs salary for Level 4: $124,900 - $187,300** Please list your current security clearance and IAT or relevant certifications on your resume, if ... an excellent opportunity for a Principal or Sr Principal Engineer Systems - PKI Engineer (25-418) to...Applicants must hold a current, active in-scope DoD-issued **Secret** security clearance at the time of application,… more
    Northrop Grumman (09/13/25)
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  • IT System Reliability Engineer

    Nelnet (Centennial, CO)
    …requires that any applicant for this position must complete United States Government security clearance . Effective June 1, 2018, ED has informed Nelnet that ... into a fiber internet pioneer, real estate investor, and software provider. But that's just the beginning. With 6,500... security clearance applications for foreign nationals are… more
    Nelnet (09/18/25)
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  • Sr Principal Systems Administrator…

    Northrop Grumman (Colorado Springs, CO)
    …on large field projects as needed **Basic Qualifications:** Please include your current security clearance and IAT or relevant certifications on your resume, if ... opportunity for a Sr Principal Systems Administrator - Integration/CDS Engineer to join our team of skilled and diverse...must possess a current, active in-scope DoD-issued **Top Secret** security clearance at the time of application,… more
    Northrop Grumman (08/27/25)
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  • Principal Info Sys Proj Manager…

    Northrop Grumman (Colorado Springs, CO)
    …geographically diverse product teams **Basic Qualifications:** Please list your current security clearance and IAT or relevant certifications on your ... for a Principal Info Sys Project Mgr - Obsolescence/Sustainment Engineer (25-384) to join our team of talented and...Applicants must have a current, active in-scope DoD-issued **Secret** security clearance at the time of application,… more
    Northrop Grumman (09/27/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Littleton, CO)
    …U\.S\. Citizenship with ability to obtain and maintain a Top Secret security clearance \(SCI eligibility required\)\. * Hands\-on experience with ... thinking, problem\-solving, and time management skills in fast\-paced environments\. ** Security Clearance Statement:** This position requires a government… more
    Lockheed Martin (09/06/25)
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  • Sr. Integration Systems Engineer

    Parsons Corporation (Boulder, CO)
    …(M&S) and CAMEO systems modeler for system integration validation and ICD constructs ** Security Clearance Requirement:** An active Top Secret SCI security ... in Space because we understand that ensuring our nation's security for future generations depends on it. Parsons creates...experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on… more
    Parsons Corporation (09/23/25)
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  • Specialist, Integration/Test Engineer

    L3Harris (Colorado Springs, CO)
    …lieu of a degree, minimum of 8 years of prior related experience. + Active Secret security clearance to start with ability obtain a Top Secret Clearance ... sea and cyber domains in the interest of national security . Job Title: Specialist , Integration/Test Engineer ...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (10/01/25)
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  • Sr Principal Engineer Systems Architect…

    Northrop Grumman (Colorado Springs, CO)
    …Colorado Springs: $124,900 - $187,300 **Basic Qualifications:** Please note your updated security clearance and IAT/relevant certifications on your resume, if ... presents an exciting career opportunity for a Sr Principal Engineer Systems Architect (25-267) to join our team of...Applicants must have a current, active in-scope DoD-issued **Secret** security clearance at the time of application,… more
    Northrop Grumman (09/25/25)
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  • Principal Engineer Systems Test

    BAE Systems (Boulder, CO)
    …/access. **Preferred Education, Experience, & Skills** + A current, active TS/SCI security clearance . + Experience with software development processes. ... **Job Description** We are seeking an action-oriented engineer with intellectual curiosity who is excited to...support proposal, study, and new business activities. \#LI-AP1 A security clearance or access with Polygraph is… more
    BAE Systems (09/19/25)
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