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L3Harris Technologies

Global defense contractor delivering aerospace tech

Systems Engineer Specialist

AvionicsUpdated on Nov 14
Full-timeGreenville, TX, USANo salary listed

About the Job

Requirements

  • Active U.S. Secret security clearance with the ability to obtain Top Secret/SCI clearance.
  • A bachelor’s degree and at least 4 years of prior relevant experience, or a graduate degree and at least 2 years of prior related experience; 8 years of prior related experience may substitute for a degree.
  • At least 4 years of demonstrated experience testing, integrating, and verifying software and/or hardware in a multi-domain mobile airborne data link, video, and voice systems environment.
  • At least 4 years of demonstrated experience with aircraft communication system integration and communications ground/flight test support.
  • At least 4 years of demonstrated experience configuring and integrating aircraft radio-frequency and satellite communications systems, or cryptographic equipment.

Responsibilities

  • Perform technical planning, system integration, verification and validation, and troubleshooting for total systems and/or subsystems.
  • Support requirements, design, development, test, and integration of complex specialized hardware/software systems installed on ground and airborne communication platforms.
  • Understand physical architectures incorporating voice, video, and data capability across multiple security domains.
  • Review and evaluate electrical wiring diagrams to ensure design details trace to system requirements.
  • Understand test, integration, verification, and validation planning.
  • Write verification test procedures to ensure system performance and capabilities meet system requirements.
  • Translate the voice of the customer into system-level requirements.
  • Perform requirement traceability.
  • Develop and evaluate trade studies for accuracy and completeness.
  • Write subsystem specifications based on system-level requirements.
  • Evaluate alternative solutions and establish preliminary system designs.
  • Prepare presentations to communicate technical information to non-technical professionals.
  • Perform other duties as assigned.

Desired Qualifications

  • Knowledge of LAN and VoIP protocols, including IP routing.
  • Knowledge of mission systems, including EO/IR, video, networks, and SI/EW.
  • Model-based systems engineering and simulation experience.
  • Troubleshooting and multi-level testing for radio-frequency applications.
  • Knowledge of requirement traceability methods and purpose.
  • Knowledge of the systems engineering trade study process.
  • Experience conducting verification testing.
  • Experience working with subcontractors and U.S. Government customers.
  • Experience developing, authoring, and implementing system test plans.
  • Engineering efforts involving FAA-certified general category aircraft.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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