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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Associate, Systems Engineer

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

About the Job

Requirements

  • Active Department of War Secret security clearance.
  • A bachelor's degree and two years of experience with aircraft systems architecture design, integration, and/or ground or flight test certification; or a graduate degree and 0–2 years of that experience. In lieu of a degree, six years of that experience is required.
  • At least two years of hands-on experience in systems engineering, configuration, testing, integration, and/or verification of software or hardware in a multi-domain mobile airborne datalink, video, voice, and data communications environment.
  • Working knowledge of local area network and Voice over Internet Protocol protocols, including IP routing.
  • Knowledge of mission systems, including electro-optical/infrared, video, networks, signals intelligence/electronic warfare, and avionics interfaces.
  • Experience troubleshooting and conducting multilevel testing and analysis of electrical signal interfaces and radio frequency systems.
  • Knowledge of requirements traceability methods and purpose, and the systems engineering trade study process.
  • Experience working with subcontractors and U.S. Government customers.
  • Experience developing, authoring, and implementing system test plans.
  • Experience with engineering efforts involving Federal Aviation Administration-certified general-category aircraft.
  • Availability for on-call duties during nights and weekends, including possible overnight onsite work.

Responsibilities

  • Perform technical planning, systems integration, verification and validation, and troubleshooting for total systems and/or subsystems.
  • Support requirements, design, development, test, and integration of complex specialized hardware and software systems installed on ground and airborne platforms.
  • Translate customer needs into system-level requirements.
  • Perform requirements traceability and verification testing.
  • Develop and evaluate trade studies for accuracy and completeness.
  • Evaluate alternative solutions and establish preliminary system designs.
  • Write subsystem specifications based on system-level requirements.
  • Understand physical architectures incorporating voice, video, and data capability across multiple security domains.
  • Create system block diagrams.
  • Review and evaluate electrical wiring diagrams to ensure design details trace to system requirements.
  • Interpret complex interface control documents for new architecture designs.
  • Understand test, integration, verification, and validation planning.
  • Write verification test procedures to ensure system performance and capabilities meet system requirements.
  • Prepare presentations communicating technical information to technical and non-technical professionals.
  • Travel up to 25% based on business needs after training and assimilation into the role.
  • Perform other duties as assigned.

Desired Qualifications

  • Active Top Secret/Sensitive Compartmented Information security clearance.

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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