• 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 (10/03/25)
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  • RF Engineer , Senior Staff (Level V)…

    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\. ... in 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 (11/19/25)
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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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  • RF Engineer (Level II) - TS

    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\. ... - - - Lockheed Martin Space is seeking an RF Engineer to join our team in...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (10/10/25)
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  • Cellular/ Radio Frequency

    EPS Corporation (Edinburgh, IN)
    CELLULAR/ RADIO FREQUENCY ENGINEER (ELECTRONICS ENGINEER )... Top Secret ( TS ) / Sensitive Compartmented Information ( SCI Desired ... link in your status update to LinkedIn. Job Title CELLULAR/ RADIO FREQUENCY ENGINEER (ELECTRONICS ...Female / Veteran / Disabled / LGBT are encouraged to apply Type of Security Clearance Required TS / SCI more
    EPS Corporation (11/01/25)
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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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  • 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...Lockheed Martin securing the contract\.\*\*\ **Basic Qualifications:** * Active TS / SCI clearance * Degree in electrical engineering… more
    Lockheed Martin (11/05/25)
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  • Test Engineer -Communications Systems 3/4…

    Northrop Grumman (Dulles, VA)
    …years (level 4) of relevant experience + US citizen + Active or current Top Secret clearance with the ability to obtain SCI at the time of application. + At ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (12/05/25)
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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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  • 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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  • Sr. Hardware Engineer ( TS

    Lockheed Martin (Albuquerque, NM)
    …Installations include racks of COTS equipment such as servers, network storage, KVMs, radio frequency \( RF \) and optical equipment, uninterruptable power ... area\. As the company's center of excellence for end\-to\-end radio frequency mission solutions, this market segment...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (10/17/25)
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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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  • SecDev Engineer - TS / SCI

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ205029 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Responsible for the design and development of voice, video, radio frequency , and/or data communications networks *...DNS, SSL/TLS, and related protocols. * Security Clearance Level: TS / SCI w/Poly * Required Skills and Abilities:… more
    General Dynamics Information Technology (11/13/25)
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  • Specialist, Systems Engineer TS

    L3Harris (Palm Bay, FL)
    …Python, Java + Advanced experience of MBSE tools: Cameo, ModelCenter, DOORS, Rhapsody + Top Secret SCI clearance highly desired In compliance with pay ... Must have and be able to maintain a DoD TOP SECRET / SCI security clearance +...aerodynamic systems, orbital mechanics, signal processing, sensor systems, and RF or EO/IR physics + Highly effective organization level… more
    L3Harris (11/15/25)
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  • TS / SCI - Electronic Warfare…

    Insight Global (Warner Robins, GA)
    …EW/EMSO concepts, mission systems, and operational applications. - Must have an active Top Secret / SCI clearance. Must maintain clearance at required level. ... results to support tactics development, capability gaps analysis, and mission planning. Engineer , test, and evaluate advanced RF , EO/IR, and other sensing… more
    Insight Global (11/12/25)
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  • Principal / Sr Principal Vehicle Systems…

    Northrop Grumman (Dulles, VA)
    …of engineers and managers to achieve the goals of the program team. Current TS / SCI is required, and program access is strongly preferred. **This position ... Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer to support a critical space mission. Vehicle ...**Must have US Citizenship with current or active DoD TS / SCI Clearance at time of application** **Preferred… more
    Northrop Grumman (10/31/25)
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  • Software Engineer TS SCI

    Northrop Grumman (Stafford, VA)
    …software to remotely control multiple systems worldwide. Rf Signal equipment and RF microwave engineer to provide our customer with 24 x 7 communication ... history. Northrop Grumman, Defense Systems, is seeking a software engineer to work on the Whisper programs in Stafford,...environment + Experience working in a RHEL environment + TS / SCI clearance and willing to obtain a… more
    Northrop Grumman (12/05/25)
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  • Scientist, Systems Engineer TS

    L3Harris (Colorado Springs, CO)
    …talent across the MAG Qualifications: + Must have and be able to maintain a DoD TOP SECRET / SCI security clearance + Bachelor's Degree and a minimum of 12 ... 9/80 Job Description: L3Harris Technologies has an opening for a Scientist, Systems Engineer (Geolocation and Tracking) to join our Mission Analysis Group (MAG). The… more
    L3Harris (10/12/25)
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