• Principal/Sr. Principal Cyber Systems…

    Northrop Grumman (Aurora, CO)
    …years of experience may be considered in lieu of degree. + **Must have an active TS / SCI security clearance with a Full Scope Polygraph at time of application** + ... related to the engineering and implementation of Program Security Information and Event Management ( SIEM )/Security Orchestration, Automation, and… more
    Northrop Grumman (09/16/25)
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  • Systems Engineer - IT ( Top…

    Lockheed Martin (Colorado Springs, CO)
    …principles, including patch management, vulnerability assessments, and tools like Nessus or SIEM solutions\. . Active TS / SCI security clearance ... and a BS degree\. You must have an active Top Secret security clearance prior to start\....must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/13/25)
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  • SailPoint Engineer - TS / SCI…

    Optiv (Denver, CO)
    …approaches for producing high-quality work. **What we're looking for** + Currently holds a TS / SCI with a CI Polygraph required. + Full-scope poly preferred. + ... A Level II Engineer is an individual who can operate independently...process your information , which may include personal information and sensitive personal information ,… more
    Optiv (08/27/25)
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  • Systems Operations (SysOps) Engineer

    Parsons Corporation (Colorado Springs, CO)
    …tasks in a team environment + **Minimum Secret clearance is required to start. Active Top Secret is preferred with SCI eligibility** + Must be a US ... networking operations. Our team is looking for a **Systems Operations** ( **SysOps) Engineer ** to focus on the development, security, and administration of a wide… more
    Parsons Corporation (09/02/25)
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  • Defensive Cyber Engineer

    Lockheed Martin (Aurora, CO)
    …remediation * Experience with SIEM technologies such as LogRhythm or Splunk * TS / SCI clearance * DoD 8140 \(formerly 8570 IAT II\) Certification * Ability to ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (08/08/25)
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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...part of this skill set + Use of any SIEM (Security Incident and Event Manager) application is desired… more
    Lumen (10/01/25)
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  • Cyber Software Engineer

    Lockheed Martin (Denver, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... driver to hardware interactions\. * Experience with Secure Configuration/Hardening of Secure Information Systems\. * Experience with SIEM tools * Experience with… more
    Lockheed Martin (08/29/25)
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