• Radio Frequency ( RF ) Test…

    Chenega Corporation (Sierra Vista, AZ)
    Radio Frequency ( RF ) Test Engineer Sierra...a Top Secret / Sensitive Compartmented Information clearance. Current TS / SCI ... AZ Join our Talent Network Overview Radio Frequency ( RF ) Test Engineer Ft....testing and validation + This position requires an active Secret security clearance on the hire date with the… more
    Chenega Corporation (01/01/26)
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  • Senior RF Engineer (Level III)…

    Lockheed Martin (Littleton, CO)
    …will be required to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) for long term employment on this program ... **Littleton, CO** \! By joining the Lockheed Martin Space Radio Frequency \( RF \) Talent Center...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information … more
    Lockheed Martin (12/16/25)
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  • RF Engineer , Staff (Level IV)…

    Lockheed Martin (Littleton, CO)
    …will be required to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) for long term employment on this program ... built for you\. By joining the Lockheed Martin Space Radio Frequency \( RF \) Talent Center...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information … more
    Lockheed Martin (11/26/25)
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  • RF Engineer (Level V) - Top…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... - - Lockheed Martin Space is seeking an experienced RF Engineer to join our team in...starting employment, selected candidates will be required to possess Top Secret clearance\. For this position, applicants… more
    Lockheed Martin (12/19/25)
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  • RF Engineer - Antenna (Level IV)…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... for you\. Lockheed Martin Space is seeking an experienced RF Engineer to join our team in...with Antenna payload architecture and/or performance analysis * Active Top Secret clearance; must be able to… more
    Lockheed Martin (12/20/25)
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  • RF Engineer - Antenna (Level III)…

    Lockheed Martin (Littleton, CO)
    …requirements * Knowledge of RF communications systems link budget analysis\. * Active Top Secret clearance; must be able to obtain and maintain a TS ... for you\. Lockheed Martin Space is seeking a Senior RF Engineer to join our team in...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/20/25)
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  • Scientist, TS / SCI Chief Systems…

    L3Harris (Palm Bay, FL)
    …a degree, minimum of 16 years of prior related experience. + Active Top Secret security clearance and ability to obtain SCI + 10 years experience developing, ... the interest of national security. Job Title: Chief Systems Engineer ( RF Space Payloads) Job Code: 30600...programs to deliver hardware Preferred Additional Skills: + Active TS / SCI security clearance is highly preferred +… more
    L3Harris (10/30/25)
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  • RF Engineer - TS / SCI

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... **Position Overview:** We are seeking highly motivated and versatile RF Engineers to join our dynamic and fast\-paced team,...and presenting data in a probabilistic manner * Active TS / SCI **Desired Skills:** * Background utilizing COTS… more
    Lockheed Martin (11/22/25)
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  • RF Engineer Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... can connect us, ensuring security and prosperity\. Lockheed Martin Space is seeking an experienced RF Engineer to join our team in Littleton, CO\! In this role,… more
    Lockheed Martin (01/09/26)
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  • COMSEC / 5G cellular / VHF Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …RQ210546 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** ... related experience **US Citizenship Required:** Yes **Job Description:** **Systems Engineer - Active Top Secret Required**...communications assets in the space segment. + Knowledge of radio frequency theory, including HF radio… more
    General Dynamics Information Technology (11/20/25)
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