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Senior Specialist, Aerospace Engineer (Thermal Analysis)

L3Harris


Job Location:

Sacramento, CA - USA

Monthly Salary: $ 88 - 164500
Posted: 16 June 2026 (30+ days ago)
Application Deadline: 5 October 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Specialist Aerospace Engineer- Thermal Analysis

Job Code: 38636

Job Location: Huntsville AL or Sacramento CA

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

Job Description:

In this role you will utilize your extensive technical expertise and specialized knowledge in the field of thermal and fluids analysis of solid rocket motor (SRM) components and systems. You will apply your skills to contribute to the development of company objectives and principles aiming to achieve goals with a focus on solid rocket propulsion. You will employ advanced technical principles theories and concepts to complete CFD and thermal analysis for the SRM systems. You will contribute to the creation of innovative principles ideas and analytical methods. You will provide solutions to highly complex technical challenges and sensitive issues that demand a significant degree of ingenuity creativity and innovation. The challenges you face will often be unique and your solutions may set a precedent for future decisions.

Essential Functions:

  • Lead complex projects and work with general oversight.

  • Communicate effectively with internal (program office chief engineers etc.) and external customers.

  • Drive the design from conceptual phase through detailed design.

  • Complete and be familiar with hand calculation methods to perform initial sizing and verifications.

  • Perform detailed thermal analysis using proprietary codes based on aerothermal tools such as ACE gasket and CMA to provide temperature predictions and ablation assessment of SRM insulators and other hardware components.

  • Execute CFD analysis with commercial codes such as ANSYS Fluent to support thermal analysis and SRM design.

  • Duties include test support for pre and post-test analysis of static fired motors for model validation.

  • Provide rocket motor test instrumentation definition and data processing for production bench full engine qualification etc.

  • Ability to obtain a US Secret Security Clearance.

  • Travel: 10%.

Qualifications:

  • Bachelors Degree and minimum 6 years of prior thermal design experience. Graduate Degree and a minimum of 4 years of prior thermal design lieu of a degree minimum of 10 years of prior thermal design experience.

Preferred Additional Skills:

  • Bachelor of Science in Aerospace or Mechanical Engineering is preferred.

  • Active US Secret Clearance is desired.

  • Strong skills in the application and use of heat transfer and fluid dynamics applied to propulsion systems.

  • Understanding of the function and design of solid rocket motors.

  • Experience coding Fortran as well as scripting with Python or Matlab.

  • Strong skills in the application and use of heat transfer and fluid dynamics applied to propulsion systems.

  • Understanding of the function and design of solid rocket motors.

  • Hands on experience with the manufacturing of solid rocket motors.

  • Experience coding Fortran as well as scripting with Python or Matlab is preferred.

  • Software skills: CEA CMA Thermal Desktop Fluent CFD is desired.

  • Ability to parse large amounts of data for analysis.

In compliance with pay transparency requirements the salary range for Alabama is $88.500 - $164500. For California salary range for this role is $102000 $189000. 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.

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Required Experience:

Senior IC


About Company

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At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

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