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In office (Greenville)
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Senior · 10+ years exp
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Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 3, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Senior Specialist, Systems Engineering - Avionics

Job Code: 47019

Job Location: Greenville, TX

Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

Senior Specialist, Systems Engineer will design, integrate and test flight deck avionic systems across multiple platforms. The Senior Specialist will mentor team members and establish relationships with senior program and functional leaders to ensure systems engineering best practices are followed.

Essential Functions:

  • Ability to obtain a US Secret security clearance.
  • 10% travel based on business needs.
  • Works with other Systems Engineering, Flight Line Test, Product Development, and Project Engineering personnel to understand new modifications and baseline functionality.
  • Works as part of a team in the hardware/software integration of avionics components, including testing for accuracy, reliability and resilience.
  • Develop subsystem technical requirements, focusing on minimizing vulnerabilities.
  • Perform Requirement traceability.
  • Write subsystem specifications based on system level requirements.
  • Hands-on with testing, integrating, and verifying software and/or hardware.
  • Knowledge of requirement traceability method and purpose.
  • Follow existing standards to document system testing status and anomalies with the system hardware and software.
  • Works with management to develop and adhere to schedules and budgets required to accomplish assigned work.

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience.
  • Graduate Degree and a minimum of 4 years of prior related experience.
  • In lieu of a degree, a minimum of 10 years of prior related experience.
  • Demonstrated experience with testing, integrating, verifying software and/or hardware.
  • Demonstrated experience with aircraft/rotorcraft avionics systems.

Preferred Additional Skills

  • Coursework and/or experience in systems engineering, systems architecture, systems analysis and design, system performance modeling, integration and/or project management, and/or model-based systems engineering.
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