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L3Harris Technologies

Global defense contractor delivering aerospace tech

Systems Engineer

Software EngineeringUpdated on Nov 14
Full-timeGreenville, TX, USANo salary listedIn-person

About the Job

Requirements

  • Must have CompTIA Security+ certification.
  • Must hold an active U.S. Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance.
  • Must have a bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, Software Engineering, or a related technical field and at least 6 years of relevant professional engineering experience in defense, aerospace, or other mission-critical environments; alternatively, a graduate degree and at least 4 years of related experience, or at least 10 years of related experience in lieu of a degree.
  • Must demonstrate knowledge of ELINT receiver systems, signal analysis equipment, and signal analysis techniques.
  • Must have demonstrated experience with ELINT databases such as EPL, CED, EWIR, and MIDB.
  • Must have at least 5 years of experience with Linux, Jira, Confluence, and DOORS.
  • Must have demonstrated experience with unit testing frameworks and software verification practices.
  • Must have demonstrated experience with technical documentation, interface definitions, and customer-facing engineering communication.
  • Must be able to work occasional weekends or overtime as required.
  • Must be able to work effectively in a fast-paced, dynamic environment with time-critical requirements.
  • Must have excellent communication skills and be able to work effectively in a team environment.

Responsibilities

  • Lead end-to-end software development efforts, including architecture, design, implementation, testing, documentation, and delivery.
  • Serve as a primary technical interface with customers by coordinating schedules, communicating progress, and aligning deliverables with evolving requirements.
  • Design and develop scalable authentication and authorization solutions to enforce system access control policies.
  • Lead small technical teams in developing diagnostics and monitoring tools to improve system-health visibility and accelerate root-cause analysis.
  • Investigate customer requests, analyze requirements, and implement effective software solutions.
  • Maintain and update interface definition documentation and other technical artifacts.
  • Support software modernization efforts, including containerization and reduction of technical debt in legacy codebases.
  • Create user manuals and technical documentation to support delivered capabilities.

Desired Qualifications

  • Familiarity with secure software practices and access control implementation.
  • Experience supporting ELINT, airborne mission systems, communications systems, or similar defense platforms.
  • Experience automating manual engineering or release processes.
  • Ability to deliver projects ahead of schedule.
  • Hardware troubleshooting and maintenance experience.
  • Big Safari experience and/or experience as a U.S. Air Force RC-135 Combat Systems Officer (CSO) or Electronic Warfare Officer (EWO).
  • Experience as an Electronic Warfare Officer on other airborne platforms.

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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