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Scientist, Thermal Analyst Mechanical Engineer; Space Systems max

Job in Wilmington, Middlesex County, Massachusetts, 01887, USA
Listing for: L3Harris Technologies, Inc.
Full Time position
Listed on 2026-10-20
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 146000 - 271000 USD Yearly USD 146000.00 271000.00 YEAR
Job Description & How to Apply Below
Position: Scientist, Thermal Analyst Mechanical Engineer (Space Systems) : Sign-on bonus ($50K max)

L3

Harris 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. L3

Harris 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.

L3

Harris 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:
Scientist, Thermal Analyst Mechanical Engineer (Space Systems) :
Sign-on bonus ($50K max)

Job Code: 45767

Job Location:
Wilmington, MA

Job schedule: 9/80 - Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Relocation:
Relocation assistance is available to qualified applicants

Sign-On Bonus: A sign-on bonus of up to $50K may be included as part of an offer package for this level

Job Description:

L3

Harris has an opportunity for a senior level Thermal Analyst to join our talented engineering organization. Scientist engineers are technical leaders across multidisciplinary teams of engineers to create the best overall system design including thermal design, analysis, and test of optical systems operating in harsh space and ground environments. Scientist level engineers possess in-depth understanding of aerospace thermal engineering technology and payload architectures for spacecraft sub-systems and instruments.

These talents are used to direct and oversee teams who specialize in conductive, convective, and radiative analyses, understanding of heat pipes, radiative heat transfer, and thermal control hardware design (thermal blankets, surface treatments, heater tapes, thermistors) and the interaction with optical structures in order to minimize optical errors, and achieve operational temperatures. You will proficiently utilize state of the art custom software in conjunction with Thermal Desktop and Finite Element Analysis (FEA) packages and often mentor other Thermal Analysts in the use of such tools.

Essential Functions:
  • Knowledge of payload level design, development and integration, system level thermal design development and 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.
  • 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
  • Ability to obtain a TS/SCI upon being hired
Qualifications:
  • Bach…
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