• 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 , Staff (Level IV)…

    Lockheed Martin (Littleton, CO)
    …will be required to possess Active Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) prior to starting employment\. **Desired Skills:** * ... ever\-changing customer requirements? Come join 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 (12/03/25)
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  • Senior RF Engineer (Level III)…

    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 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 (12/16/25)
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  • Staff RF Engineer - Antenna (Level…

    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 a Staff RF Engineer to join our team in...development, and component qualification\. \#LI\-CS1 **Basic Qualifications:** * Active TS / SCI clearance * Degree in electrical engineering… more
    Lockheed Martin (11/19/25)
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  • Senior RF Engineer - Antenna (Level…

    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 a Senior RF Engineer to join our team in...test‑plan development, and component qualification\. **Basic Qualifications:** * Active TS / SCI clearance * Degree in electrical engineering… more
    Lockheed Martin (11/05/25)
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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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  • Electronics Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    …life cycle \(development, deployment, retirement\)\. * Must have an active TOP SECRET clearance with the ability to obtain TS / SCI Security Clearance\. ... years professional experience\. * Must have an active DoD ** Top Secret clearance** , thus you are...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (12/10/25)
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  • Systems Engineer (Level 4), RF

    Lockheed Martin (Littleton, CO)
    …citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS / SCI \) clearance\. \- This position is contingent upon ... on the development and delivery of a high\-TRL mobile RF antenna system\. \- Responsible for ensuring the system...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/10/25)
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  • Experienced RF Engineer (Colorado)

    Lockheed Martin (Littleton, CO)
    …* Familiarity with satellite communications or space RF payload development\. * Active Top Secret clearance with the ability to obtain and maintain a Top ... nation's defense systems\.** We are seeking a highly motivated RF Engineer to support the design, development,...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/02/25)
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  • Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …hardware refresh, integration as well as engineering background with technical experience in radio frequency ( RF ) communications links and systems, antenna ... eligible for a security clearance **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything...create a safer, more secure world. The Apertures and RF Team at Raytheon is looking for a Principal… more
    RTX Corporation (11/15/25)
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  • Senior Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …hardware refresh, integration as well as engineering background with technical experience in radio frequency ( RF ) communications links and systems, antenna ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything...create a safer, more secure world. The Apertures and RF Team at Raytheon is looking for a Sr.… more
    RTX Corporation (11/12/25)
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  • RF Engineer

    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 ... Processing team is seeking a highly skilled and motivated RF Engineer Stf to join our development...tools and techniques **Selected candidate must have an active TS / SCI security clearance for consideration\.** **This is… more
    Lockheed Martin (11/09/25)
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  • Engineer Principal - RF Systems…

    BAE Systems (Broomfield, CO)
    …the intelligence community. + Current, active TS / SCI or DOW TS security clearance. **Pay Information ** Full-Time Salary Range: $115779 - $196825 Please ... Department of Education. + Ability to obtain and maintain TS / SCI Polygraph security clearance is required. +...be available based on position level and/or job specifics. ** Engineer Principal - RF Systems Analyst** **118702BR**… more
    BAE Systems (12/09/25)
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  • Engineer Senior Principal II RF

    BAE Systems (Broomfield, CO)
    …business pursuits in support of Civil, Military, and National Space programs. Leverage your radio frequency ( RF ) and/or microwave (MW) systems experience as ... of Education, US Department of Education. + A future TS / SCI security clearance is required. + Thorough...be available based on position level and/or job specifics. ** Engineer Senior Principal II RF Payload Architect**… more
    BAE Systems (11/10/25)
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  • Engineer II - RF Systems Analyst

    BAE Systems (Broomfield, CO)
    …the intelligence community. + Current, active TS / SCI or DOD TS security clearance. **Pay Information ** Full-Time Salary Range: $77809 - $132275 Please ... Department of Education. + Ability to obtain and maintain TS / SCI Polygraph security clearance is required. +...be available based on position level and/or job specifics. ** Engineer II - RF Systems Analyst** **118699BR**… more
    BAE Systems (12/06/25)
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  • Principal/Sr. Principal RF Microwave Design…

    Northrop Grumman (Aurora, CO)
    …part of history, they're making history. Northrop Grumman has an opening for a **_Principal RF Microwave Design Engineer / Sr. Principal RF Microwave Design ... and maintain peace on a global scale. The **_Principal RF Microwave Design Engineer / Sr. Principal...Physics with 4 years of relevant experience + Active TS / SCI Clearance at the time of application.… more
    Northrop Grumman (11/20/25)
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  • Principal Engineer - RF Systems…

    BAE Systems (Boulder, CO)
    …the US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required. + Experience in the testing of spacecraft, ... of AI&T. + Make defendable decisions, often with minimal information , and then re-evaluate, adapt and update as things...available based on position level and/or job specifics. **Principal Engineer - RF Systems Test- $15K Sign On… more
    BAE Systems (11/14/25)
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  • Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS / SCI \) clearance\. \- This position is contingent upon ... in the development and delivery of a high\-TRL mobile RF antenna system\. \- Define the Concept of Operations...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/11/25)
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  • Space Vehicle Sr. Test Engineer

    Lockheed Martin (Littleton, CO)
    **Description:** Must have an active DoD Top Secret or TS / SCI clearance\. Space is a critical domain, connecting our technologies, our security and our ... Secret clearance with the ability to obtain a TS / SCI security clearance\. This position is located...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/19/25)
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