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L3Harris Technologies

Global defense contractor delivering aerospace tech

Specialist - Systems Engineering

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

About the Job

Requirements

  • Active U.S. Secret clearance is required, with eligibility to obtain or maintain TS/SCI clearance.
  • A bachelor's degree and at least four years of prior relevant experience, or a graduate degree and at least two years of prior related experience, are required. In lieu of a degree, at least eight years of prior related experience is required.
  • Demonstrated experience working with aircraft interphone systems, airborne communications, avionics, or related audio management systems is required.
  • Demonstrated experience supporting technical documentation and engineering reviews is required.

Responsibilities

  • Support the systems engineering lifecycle for aircraft interphone and audio communications systems, including concept development, requirements analysis, design support, integration, verification, validation, and fielding.
  • Develop, analyze, and manage system and subsystem requirements for airborne interphone systems.
  • Provide technical expertise in aircraft interphone systems, including Momentum interphone, audio distribution, crew communications, and related avionics interfaces.
  • Support system architecture development and interface definition between interphone systems and associated avionics, radios, headsets, mission systems, and aircraft platforms.
  • Participate in integration, troubleshooting, and test activities in laboratory, ground, and flight test environments as required.
  • Evaluate system performance and support root cause analysis for technical issues related to interphone and aircraft audio systems.
  • Collaborate with hardware, software, test, manufacturing, and program teams to ensure technical execution and system compatibility.
  • Prepare and review engineering documentation such as system specifications, interface control documents, verification procedures, test reports, and technical presentations.
  • Support customer meetings, design reviews, and technical interchange discussions.
  • Assist with risk identification, issue resolution, and technical planning for program execution.
  • Travel up to 25% based on business needs.

Desired Qualifications

  • Experience with Momentum interphone systems.
  • Experience with military aircraft communication systems, crew station audio, mission communications, or avionics integration.
  • ISR platform or mission systems experience.
  • Familiarity with aircraft-level integration of interphone systems, radios, audio control panels, headsets, and communication management systems.
  • Familiarity with systems engineering processes, including requirements development, integration, and verification.
  • Experience with system test, verification, validation, and troubleshooting in laboratory or aircraft environments.
  • Knowledge of interface standards, avionics architectures, and platform integration constraints.
  • Experience supporting flight test or ground test activities.
  • Understanding of DOORS or other requirements management tools.
  • Active TS/SCI 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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