• 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 ... \(APEX\) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and development efforts focused… more
    Lockheed Martin (10/31/25)
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  • Full Stack Software Engineer

    ManTech (Aurora, CO)
    …Putty, Atlassian Suite (JIRA, Confluence) **Security Clearance Requirements:** + Current/active TS / SCI w Polygraph **Physical Requirements** + Ability to remain ... **MANTECH** seeks a **Full Stack** **Software Engineer ** to join our team in **Southlands, Colorado**...JavaScript (jQuery/Angular), HTML, CSS + Operating Systems & Platforms: Linux , Windows, Solaris, VMWare + Middleware & Web Services:… more
    ManTech (10/23/25)
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  • Satellite Systems Engineer

    Lockheed Martin (Colorado Springs, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... interested in joining LM and working as a Systems Engineer , please apply to this requisition\. - - -...Server Operating Systems \(i\.e\., 2008 R2/2012/2016/2018/2022\) * Knowledge of Linux Administration RedHat 7\.X, 8\.X, 9\.X\) * Knowledge with… more
    Lockheed Martin (10/10/25)
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  • Staff Network Engineer

    Northrop Grumman (Aurora, CO)
    …of experience may be considered in lieu of a degree requirement. + **Active TS / SCI with an adjudicated full-scope polygraph at time of application.** + ... Northrop Grumman Space Systems (NGSP) seeks to fill a **Staff Network Engineer ** in the Payload and Ground Systems Division Engineering organization supporting… more
    Northrop Grumman (09/16/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Denver, CO)
    …candidates must be willing to submit for a required government suitability clearance up to TS / SCI . **What We Look For in a Candidate** + Federal government - for ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...analysis via SIEM or vendor application is desired. + Linux RedHat Server Administration is considered a plus. +… more
    Lumen (11/04/25)
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  • Software Engineers - All Levels

    DCCA (Littleton, CO)
    …Thread Dump Analysis . Red Hat Linux . OOA, OOD, JAVA, C+ + . TS / SCI Desired Skills: . Security + . Database Admin Required Education: . Associate ... Engineers - All Levels Candidates MUST have an active TS / SCI Clearance For over 40 years, DCCA...or bachelors with 14+ years experience or equivalent . Engineer Consultant (CT11): Senior consultant to top more
    DCCA (08/22/25)
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  • Staff Solution Consultant

    Trellix (Denver, CO)
    …threat identification, management, mitigation, and response strategies. + You hold an active TS / SCI clearance with Full Scope polygraph + You hold an active ... security systems comprised of Trellix and third-party technologies. The Endpoint Security Engineer (ESE) will report to the Senior Manager of the Professional… more
    Trellix (11/14/25)
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