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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Systems Engineer

Engineering LeadershipConfirmed live in the last 24 hours
Full-timePalm Bay, FL, USANo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree and at least 9 years of relevant experience, or a graduate degree and at least 7 years of related experience; alternatively, 13 years of related experience in lieu of a degree.
  • An active Top Secret or Top Secret/SCI clearance, or one active within the last two years, and a favorable polygraph.
  • Strong background in requirements definition and systems architecture.
  • Ability to quickly learn and understand customer missions and assist in developing CONOPS.
  • Experience with Digital Engineering or Model-Based Systems Engineering tools such as Cameo and SysML.
  • Familiarity with defense development lifecycles, milestone review processes, gated development practices, and INCOSE standards.
  • Proficiency across mechanical, electrical, radio frequency, software, and hardware engineering domains.
  • Experience with laboratory equipment such as oscilloscopes, spectrum analyzers, and signal generators.
  • Background in Agile development processes and rapid mission onboarding.
  • Ability to present complex technical concepts to diverse audiences.

Responsibilities

  • Architect mission concepts, system solutions, CONOPS, and use cases across the full lifecycle.
  • Define, decompose, allocate, and manage system-level requirements and traceability.
  • Provide consultative-level technical direction across engineering teams.
  • Lead system design, implementation, system integration, and end-to-end verification and validation, including laboratory infrastructure and cross-team coordination.
  • Conduct system-level trade studies and allocate performance and functional requirements across software, firmware, and hardware.
  • Produce and maintain system architecture diagrams, interface drawings, and related engineering artifacts.
  • Analyze system performance, generate supporting data, identify root-cause issues and trends, and lead Root Cause and Corrective Action.
  • Support design reviews, readiness reviews, proposals, and customer and internal presentations.
  • Collaborate with product owners to capture evolving mission requirements and refine system concepts.
  • Influence technical direction, engineering decisions, and cross-team alignment through communication and leadership.

Desired Qualifications

  • Strong background in requirements definition and systems architecture.
  • Ability to quickly learn and understand customer missions and assist in developing CONOPS.
  • Experience with Digital Engineering or Model-Based Systems Engineering tools such as Cameo and SysML.
  • Familiarity with defense development lifecycles, milestone review processes, gated development practices, and INCOSE standards.
  • Proficiency across mechanical, electrical, radio frequency, software, and hardware engineering domains.
  • Experience with laboratory equipment such as oscilloscopes, spectrum analyzers, and signal generators.
  • Background in Agile development processes and rapid mission onboarding.
  • Ability to present complex technical concepts to diverse audiences.

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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