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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Specialist - Mechanical Engineer, Thermal Analyst

Thermal & Fluids EngineeringUpdated on Nov 14
Full-timePalm Bay, FL, USANo salary listed

About the Job

Requirements

  • Bachelor’s degree in Mechanical Engineering or a related engineering or science field with 6 years of experience, or a master’s degree in Mechanical Engineering or a related engineering or science field with 4 years of experience; in lieu of a degree, at least 10 years of related experience.
  • At least 3 years of professional experience using thermal analysis tools such as Thermal Desktop and other tools such as FloTHERM.
  • At least 3 years of professional experience leading a multidisciplinary mechanical engineering team through system requirements, design, analysis, testing, hardware build, delivery, and launch.
  • Professional experience performing thermal analysis of mechanical and electronic systems in space environments.
  • Ability to obtain and maintain a U.S. TS/SCI security clearance.

Responsibilities

  • Perform system-level thermal design and development, payload-level integration and testing, and risk mitigation for space-based environments.
  • Perform thermal design and analysis on complex space-based mechanical hardware, including structural components, mechanisms, and electronics packaging.
  • Create and analyze design concepts using thermal analysis software and finite element analysis.
  • Define and establish the technical approach to meet assigned objectives.
  • Support programs through requirements derivation and verification, system architecture development, loads derivation, trade studies, design sensitivity and optimization studies, preliminary and final design analysis, analysis documentation, deliverable data packages, and leadership of system test activities.
  • Prepare reports, formal documentation, and presentation materials summarizing analysis results, and present results to internal and external groups, including leadership and customers.
  • Participate in and present information for Preliminary Design Reviews, Critical Design Reviews, and Technical Interchange Meetings.
  • Interface with outside suppliers, customers, and other engineering disciplines to drive designs to closure, including Structural, Systems Engineering, Electrical, Manufacturing, Performance, Quality, and Configuration Management.
  • Develop thermal test plans to manufacture and test payload sensor systems.
  • Support new business opportunities.
  • Work multiple tasks in a fast-paced environment and adapt to changing situations.

Desired Qualifications

  • Experience supporting programs through requirements derivation and verification, system and component architecture development, design sensitivity and optimization studies, preliminary and final design analyses, report generation, and leading test activities.
  • Experience preparing reports, formal documentation, and presentation materials that summarize analysis results for internal and external audiences, including leadership and customers.
  • Experience working with outside suppliers, customers, and cross-functional engineering teams, including Structural, Systems, Electrical, Manufacturing, Performance, Quality, and Configuration Management.
  • Thermal test experience, including Thermal Vacuum (TVAC) and Thermal Cycle testing, with involvement in test design, procedure development, test analysis, onsite test support, and thermal model correlation.

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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