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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Systems Engineer

AvionicsPosted on Nov 11
Full-timeWaco, TX, USANo salary listed

About the Job

Requirements

  • Significant experience with some or all of encrypted communications, flight deck missionization, Emissions Control (EMCON), and Position, Navigation, and Timing (PNT).
  • Proficiency with Microsoft Office tools, including Word, Excel, PowerPoint, and Visio.
  • Proficiency in verbal and written communication and slide presentations.
  • Proficiency in technical writing, including specifications, procedures, and reports.
  • Experience performing hands-on testing and troubleshooting of aircraft electrical and mechanical systems.
  • Understanding of and ability to support aircraft certification processes, including Civil 14 CFR Part 23 and Military MIL-HDBK-516.
  • Ability to interpret and use aircraft technical documentation, including system schematics, mechanical drawings, electrical drawings, aircraft technical publications, and standards such as MIL, SAE, RTCA, and 14 CFR.
  • Ability to create bids and write proposals.
  • Ability to work effectively in a fast-paced, dynamic environment with time-critical requirements.
  • Ability to read and interpret technical specifications, engineering blueprints, test procedures, and technical publications.
  • Ability to obtain a U.S. security clearance at the Secret level.
  • Bachelor’s degree in an engineering discipline, such as Electrical, Mechanical, Systems, or Software Engineering, or Physics, and at least 9 years of related work experience; alternatively, a graduate degree in an appropriate engineering discipline and at least 7 years of related experience.
  • Ability to travel up to 10%.

Responsibilities

  • Develop aircraft system requirements, including Concepts of Operations (ConOps), system specifications, component specifications, and system schematics.
  • Perform verification and validation, including creating test plans and procedures, physically operating systems during ground and flight testing, and writing certification reports.
  • Support technical publications by providing source data and reviewing system operating manuals, maintenance manuals, and instructions for continued airworthiness.
  • Support periodic travel for Technical Interchange Meetings, Program Reviews, testing, and Aircraft Field Support.
  • Support development, integration, testing, and verification of new or modified systems for a missionized Air Tractor AT-802 platform.
  • Manage requirements, identify technical risks, design and integrate systems, perform Independent Verification and Validation (IV&V), support civil and military certification, and conduct liaison troubleshooting and sustainment efforts.
  • Support large, complex project initiatives with minimal oversight or direction, both on-site and off-site.
  • Communicate with internal leadership, external subcontractors, and customer teams to explain and influence changes to practices, processes, and approaches.
  • Provide input into new products and processes and implement operational plans with measurable business or functional results.

Desired Qualifications

  • An active Department of Defense Secret clearance.
  • Experience with Garmin Avionics equipment and system integration.
  • Prior experience integrating mission systems on airborne platforms.
  • Experience with DOORS or other requirements-tracking tools.
  • Experience with digital databus standards, including ARINC 429 and MIL-STD-1553.
  • Experience conducting first article verification testing.
  • Experience working with subcontractors and U.S. Government customers.
  • Experience working independently and in a team environment, with the ability to lead teams through a system development and integration cycle.

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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