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Specialist, Thermal Mechanical Engineer (Space Systems)

Date Posted: Jul 30, 2026
Yearly: USD - USD

Job Detail

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    Location Wilmington, Massachusetts, United States of America
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    Job Type: Permanent
  • schedule
    Shift:
  • analytics
    Career Level:
  • group
    Positions:
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    Experience:
  • male
    Gender: No Preference
  • school
    Degree:
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    Apply Before: Oct 28, 2026

Job Description

Overview

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Thermal Mechanical Engineer (Space Systems) Job Code: 41177 Job Location: Rochester NY or Wilmington, MA Job Schedule: 9/80 (Every other Friday Off) Relocation: Relocation assistance is available to qualified applicants Job Description: Specialist engineers are technical contributors on a multidisciplinary engineering team helping create the best overall system design. Primary responsibilities include thermal design, analysis, and test of complex optical systems for operating in harsh space and ground environments. Specialist engineers possess understanding of aerospace thermal engineering technology and payload architectures, spanning spacecraft sub-systems down to card and component levels. They create thermal models of complex components and assemblies to support design and development of the thermal control systems. In this role Specialist engineers proficiently use custom software in conjunction with Thermal Desktop and other Finite Element Analysis (FEA) tools to perform detailed thermal analyses and support system development. Essential Functions: Knowledge of system level thermal design & development, payload level integration and test, and risk mitigation for space-based environments Perform thermal design and analysis tasks on complex mechanical hardware including precision mechanisms, electro-mechanical devices, aerospace mechanism design, complex electronics packaging, supporting space-based deployable mechanisms, avionics, innovative thermal and ground-based systems Create and analyze design concepts using FEA & thermal analysis software. Experience with programing in MATLAB and engineering task automation. Program support also includes requirements derivation and verification, system architecture development, loads derivation, trade studies, design sensitivity/optimization studies, preliminary and final design analysis, generation of analysis documentation (including presentation materials, and deliverable data packages), and leading system test activities Organization of thermal design and analysis as an IPT lead; frequently interfacing directly with customer technical leads and management. Documenting and presenting design & analysis results to customers at formal gate and design reviews. Development of thermal test plans to manufacture and test payload sensor systems Support new business opportunities and mentor junior level staff Work multiple tasks in a fast-paced environment and adapt quickly to changing situations Qualifications: Bachelor's Degree in Mechanical Engineering or other related engineering or science degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Ability to obtain a TS/SCI security clearance Professional experience in thermal analysis tools such as Thermal Desktop (preferred), Sinda, Thermal Fluent, Flowtherm, Icepak, etc. Experience in writing and reading code in either MATLAB, Python, or Fortran Experience in applying thermal analysis results to thermal hardware design. Preferred Additional Skills: Active TS/SCI security clearance is preferred Experience with thermal analysis of mechanical and electronic sy

Key responsibilities

Not specified in the original listing.

Required skills

  • Engineering

What the company offers

Not specified in the original listing.

Skills Required

Company Overview

Melbourne, Florida, United States of America

L3Harris Technologies is a leader in defense technology, dedicated to recruiting and developing passionate, high-performing talent. The company fosters an inclusive environment designed to empower employees and promote work-life balance. L3Harris is... Read More

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