• 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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  • 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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  • Laser Communication Engineer (Level III)…

    Lockheed Martin (Littleton, CO)
    …Active Top Secret clearance; must be able to obtain a TS / SCI ; US Citizenship required **Desired Skills:** * Degree in Electrical Engineering, Optical ... you\. Lockheed Martin Space is seeking a Laser Communication Engineer to join our team in Littleton, CO\! As...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/24/25)
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  • Electrical/ Radio Frequency

    SAIC (North Charleston, SC)
    **Description** SAIC is seeking an **Electrical/ Radio Frequency ( RF ) Engineer ** to support the United States Marine Corps (USMC) Signals Intelligence ... (TSCS). **Duties and Responsibilities:** + Responsible for electrical and radio frequency engineering support for new and...Secret clearance required with ability to receive a TS / SCI Clearance + Preferred TS /… more
    SAIC (01/07/26)
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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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  • SecDev Engineer - TS / SCI

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ208551 **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 (01/07/26)
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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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  • 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 (01/10/26)
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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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  • TS / SCI Payloads Field Service…

    Insight Global (San Diego, CA)
    Job Description Insight Global is seeking TS / SCI Payload Field Service engineers to support an exciting, large mission for a large defense customer. This person ... Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - Active TS / SCI - Bachelors degree in engineering or… more
    Insight Global (01/08/26)
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  • TS / SCI - Senior Survivability…

    Insight Global (Huntsville, AL)
    …protection, or threat mitigation within DoD or defense industry - Active TS / SCI Clearance - Proven expertise in countermeasure design, vulnerability assessments, ... Job Description The Senior Survivability Engineer leads efforts to ensure CUAS platforms remain...coordinating with intelligence and OEMs, and safeguarding critical program information (CPI) through export controls and system assurance. The… more
    Insight Global (10/29/25)
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