Sr Specialist
L3Harris Technologies
Sr Specialist
L3Harris Technologies
Global defense contractor delivering aerospace tech
Job Title: Sr Specialist, Thermal Analyst Mechanical Engineer (Space Systems) : Sign-on bonus ($20K 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 $20K may be included as part of an offer package for this level
Job Description:
L3Harris has an opportunity for a Senior Specialist level Thermal Analyst to join our talented engineering organization. Senior Specialist engineers are technical contributors 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. Senior Specialist engineers possess understanding of aerospace thermal engineering technology and payload architectures for spacecraft sub-systems and instruments. These talents are used to complete thermal analyses 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. Senior Specialist engineers 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:
Qualifications:
Preferred Additional Skills:
In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is $102,000.00 - $189,000.00. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
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.
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