• COMSEC / 5G cellular / VHF Systems

    General Dynamics Information Technology (Washington, DC)
    …are the foundation of our overall approach to maintenance. You act as the maintenance subject matter expert for our government client and exhibit the ... of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer - Active Top Secret Required** Seize...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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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …and development program execution. The Advanced Concept Engineer should be a subject matter expert in multiple technical domains with an entrepreneurial ... the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 28926 Job Location:...information and broad agency announcements; and provide market and subject matter expert guidance to… more
    L3Harris (10/05/25)
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  • Systems Test Engineer / Principal…

    Northrop Grumman (Chantilly, VA)
    …operated globally. The team provides 24/7/365 subject matter expert ( SME ) support to ensure the systems are functioning properly. In support of these ... Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems...experience in documentation and process development + Knowledge of RF and radio communication system components &… more
    Northrop Grumman (10/23/25)
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  • Lead, Systems Engineering (Unmanned…

    L3Harris (Ashburn, VA)
    …weapon systems , and other RF sensor technologies. Essential Functions: As the unmanned systems subject matter expert , lead a team to identify and ... Job Location: Ashburn, VA Job Description: As the Lead Systems Engineer you will be responsible for...systems (UAS / UAV). As a key unmanned systems subject matter expert more
    L3Harris (11/05/25)
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  • Senior RF Engineer

    Integration Innovation, Inc. (i3) (Washington, DC)
    … will design RF subsystems for threat simulators, as well as serve as a subject matter expert ( SME ) during the analysis of seekers. Pay Range ... Overview i3 has an exciting opportunity for a RF Engineer to support the Naval...least ten (10) years of experience. + Experience with RF subsystem design in radar systems . +… more
    Integration Innovation, Inc. (i3) (11/18/25)
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  • Senior RF /Electrical Engineer

    Parsons Corporation (Chantilly, VA)
    Engineer ** to join our team! In this role you will get to **serve as the Subject Matter Expert ( SME ) on Electronic Warfare (EW) for a large, complex ... systems within the Program. This will include visual and infrared spectrums, radio frequency (R/F) systems , and other sensor systems related to UAS,… more
    Parsons Corporation (11/26/25)
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  • Technical Security and Signal Countermeasures…

    Xcelerate Solutions (Bethesda, MD)
    …years of experience. + Minimum 3 years of experience as a technical analyst, systems engineer , developer, or similar role. + Strong understanding of IC ... + Experience in technical domains such as acoustic, electrical, optical, and radio frequency . + Implemented intelligence cycle workflow for stakeholders or… more
    Xcelerate Solutions (10/14/25)
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  • Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    …ISR payloads to evaluate performance to evaluate radars, wireless communications, and Radio Frequency ( RF ) propagation. Support, technology developmental, ... 501180 Senior SETA Engineer SME Work Location: Falls Church,...technical reports, briefings, and executive summaries. + Provide the subject matter expertise with experience in the… more
    IronMountain Solutions, Inc. (10/21/25)
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  • Senior Radar SME (Hybrid)

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an exceptional **Senior Radar Subject Matter Expert ** ( SME ) to join the on-going ... operational effectiveness + Knowledge of both low and high frequency radar systems + Advisement and engineering...engineering technical support + Trade studies + A senior engineer with highly relevant experience in radar systems more
    Parsons Corporation (11/15/25)
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  • SURTASS Operations & Maintenance (O&M) Technician…

    V2X (Reston, VA)
    …computing environments, and distributed data systems . + Demonstrated experience in Radio Frequency ( RF ) solutions, network security, Quality of Service ... Overview This position description is subject to change at any time as needed...programs. A few of these programs include: + Fleet Systems Engineer Team (FSET) program located in… more
    V2X (11/13/25)
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  • Senior Structural Engineer

    Parsons Corporation (Fort Belvoir, VA)
    …including accidents, natural disasters, technological failure, information system attacks, terrorists, radio frequency weapons (RFW), sabotage, and weapons of ... possible. **Job Description:** Parsons is looking for an amazingly talented **Senior** **Structural Engineer ** to join our team! In this role you will get to perform… more
    Parsons Corporation (10/31/25)
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  • EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …program goals + Be responsible for significant portions of the embedded code base, becoming the subject matter expert in those areas + Assist the team in ... RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It… more
    RTX Corporation (11/05/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Fairfax, VA)
    …future. The FSR will be embedded with a US Navy unit and be the system subject matter expert , providing training on the system hardware and software, as ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join… more
    Northrop Grumman (11/16/25)
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  • Technical Program Manager - Wireless Intrusion…

    Oracle (Washington, DC)
    …will maintain a high personal accountability and autonomy; expected to act as Oracle's subject matter expert and principal driver for wireless intrusion ... and the intentional physical security software ecosystem + Provide subject matter input on technical due diligence...is a bonus. + Exposure to emerging WIDS capabilities, radio frequency analytics, cyber-physical threat detection, and… more
    Oracle (11/25/25)
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  • FPGA DSP Firmware Engineer

    Leidos (Arlington, VA)
    …in the area of radiation hardened, space grade FPGA circuit card design, * Subject matter expert in high-speed digital hardware, embedded firmware & ... ** to design, develop, simulate, and integrate challenging DSP FPGA designs and RF sensor systems based on given program requirements. The successful candidate… more
    Leidos (10/28/25)
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