• National Renewable Energy Laboratory (Golden, CO)
    …system resilience. **Key Research Responsibilities:** **Researcher IV (Senior Researcher, Team /Project Leadership)** + Lead adversarial research initiatives ... disciplines. Demonstrates leadership in one or more areas of team , task or project lead responsibilities. Demonstrated...obtain and maintain a DOE security clearance at the Q/ TS /SCI level. A polygraph may be required. Eligibility requirements:… more
    DirectEmployers Association (11/25/25)
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  • National Renewable Energy Laboratory (Golden, CO)
    …of other related disciplines. Demonstrates leadership in one or more areas of team , task or project lead responsibilities. Demonstrated experience in management ... with deep technical expertise in 5G and wireless communication technologies to lead innovative research initiatives in energy system security. This role is central… more
    DirectEmployers Association (11/25/25)
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  • National Renewable Energy Laboratory (Golden, CO)
    …matter expert. Demonstrates leadership in a number of areas, including all team , task and/or project lead responsibilities. Demonstrated management of complex ... CTAG is seeking an experienced senior electric grid cybersecurity research professional to lead our Energy Threat Analysis Center (ETAC) portfolio of work. The ETAC… more
    DirectEmployers Association (12/05/25)
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  • Senior RF Engineer (Level III) - Top

    Lockheed Martin (Littleton, CO)
    …* Selected candidates will be required to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) for long term employment on ... is seeking a **Senior RF Engineer** to join our team in **Littleton, CO** \! By joining the Lockheed...starting employment, selected candidates will be required to possess Top Secret clearance\. For this position, applicants… more
    Lockheed Martin (12/16/25)
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  • RF Engineer - Antenna (Level IV) - Top

    Lockheed Martin (Littleton, CO)
    …or subsystems * Experience with Antenna payload architecture and/or performance analysis * Active Top Secret clearance; must be able to obtain and maintain a ... /SCI clearance; US citizenship required **Desired Skills:** * Active TS /SCI clearance * Degree in electrical engineering or STEM...milestone reviews \(e\.g\. SRR, PDR, CDR, etc\.\) * A team player with the demonstrated ability to lead more
    Lockheed Martin (12/20/25)
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  • RF Engineer - Antenna (Level III) - Top

    Lockheed Martin (Littleton, CO)
    …RF engineering requirements * Knowledge of RF communications systems link budget analysis\. * Active Top Secret clearance; must be able to obtain and maintain a ... is seeking a Senior RF Engineer to join our team in Littleton, CO\! We are looking for an...and active electronically‑steerable arrays \(AESAs\)\. The successful candidate will lead the full lifecycle of antenna‑element hardware from concept,… more
    Lockheed Martin (12/20/25)
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  • Space Vehicle Engineer (Spacecraft Operations 2/3)…

    Northrop Grumman (Colorado Springs, CO)
    …years (level 2) or 5 years (level 3) of relevant experience + Active or current Top Secret Clearance with the ability to obtain SCI at time of application ... engineering. + Support activities such as system problem/anomaly resolution support, data trending, operational product updates, and performance analyses + Lead more
    Northrop Grumman (12/05/25)
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  • Staff Systems Tester - TS Clearance

    Lockheed Martin (Colorado Springs, CO)
    …the event Please Note: \-This position requires a DoD government security clearance at the Top Secret level prior to starting; you must be aU\.S\. Citizen for ... **Description:** **What We're Doing** Our team , Command and Control, Battle Management and Communications...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (12/04/25)
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  • Cyber Intrusion Detection System Administrator…

    General Dynamics Information Technology (Colorado Springs, CO)
    …RQ209219 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... in helping to protect our customers systems. Networks, and data . * Lead /Manage/Support our customers cyber tool...Yara rules and snort signatures * Security clearance level: TS SCI / with CI Poly * US citizenship… more
    General Dynamics Information Technology (10/25/25)
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  • Manager, Info Security Systems Engineer TS

    L3Harris (Broomfield, CO)
    …degree, minimum of 13 years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph is highly desired. + Must ... the interest of national security. Job Title: Manager, Info Security Systems Engineer TS /SCI - Boulder, CO Job Code: 31261 Job Location: Boulder/North Denver, CO Job… more
    L3Harris (11/15/25)
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