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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Systems Engineer

Telecommunications EngineeringConfirmed live in the last 24 hours
Full-timeRochester, NY, USA

About the Job

Requirements

  • A bachelor's degree in electrical, mechanical, computer, software, or systems engineering and 9 or more years of relevant experience; or a master's degree and 7 or more years of relevant experience; or 13 or more years of related experience in lieu of a degree.
  • Hands-on knowledge of defense communications products and the operating environments they support, with expertise in one or more of tactical radio systems (HF, VHF, UHF, microwave, or SATCOM), IP networking, wireless voice and data systems, platform integration, or C4ISR design is preferred.
  • Experience with custom RF and digital cable design is preferred.
  • RF propagation analysis experience is preferred.
  • Understanding of power systems, including solar, grid-tied, and generator-based systems, is preferred.
  • Experience leading and reviewing systems engineering efforts from concept development through final delivery is preferred.
  • Proposal experience, including work breakdown structure development, basis of estimate preparation, detailed scheduling, and technical writing, is preferred.
  • Strong written and verbal communication skills, including the ability to present to technical and non-technical audiences, are preferred.
  • Experience driving process improvement in CMMI and ISO 9001 environments is preferred.
  • International travel experience and foreign language proficiency are a plus.
  • Proficiency with SharePoint, Excel, Word, PowerPoint, OneNote, and Visio, and willingness to use internal AI tools, are preferred.

Responsibilities

  • Lead the system design of integrated communications solutions using company products, third-party equipment, and custom mounting or peripheral hardware.
  • Design and integrate communications systems for vehicles, shelters, transit cases, and fixed-site installations.
  • Own systems engineering work from kickoff through design, including family tree diagrams, interconnect diagrams, verification cross-reference matrices, bill of materials creation and management, jurisdiction and classification review, and system prototyping.
  • Map system architectures and technical approaches to meet or exceed customer requirements with proposed solutions.
  • Evaluate technical solutions and resolve technical issues throughout a program.
  • Manage parallel priorities across multiple programs and keep deliverables moving in a fast-paced environment.
  • Work across Engineering, Sales, Program Management, Trade Compliance, and Operations to keep projects on schedule.
  • Communicate with technical and non-technical audiences, including customers and internal stakeholders.
  • Adapt to changing customer needs, including customer demonstration events and field support activities.
  • Support business milestones such as shipments, demonstrations, field trials, and proposal pursuits.
  • Support proposal efforts by developing or gathering technical inputs, labor estimates, and recurring or non-recurring engineering cost details, and make assumptions based on experience.
  • Collaborate with cross-functional engineering, program, and proposal teams to guide system design, trade studies, risk reduction, and program execution from concept through delivery.
  • Support customer and internal technical reviews, ensuring solutions align with performance, schedule, cost, and requirements.
  • Travel up to 25% annually; typical travel is closer to 10% and may include international trips of up to two weeks.

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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