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Senior Specialist, Aerospace Engineer; Thermal Analysis Security Clearance

Job in Sacramento, Sacramento County, California, 94203, USA
Listing for: L3Harris Technologies
Full Time position
Listed on 2026-06-14
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer
Salary/Wage Range or Industry Benchmark: 88500 - 164500 USD Yearly USD 88500.00 164500.00 YEAR
Job Description & How to Apply Below
Position: Senior Specialist, Aerospace Engineer (Thermal Analysis) with Security Clearance
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:

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.

* Tavel: 10%.

Qualifications:

* Bachelor's Degree and minimum 6 years of prior thermal design experience. Graduate Degree and a minimum of 4 years of prior thermal design experience. In 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 this role in Colorado State, Hawaii, Illinois, Maryland, Minnesota, Vermont and New York State is $88.500 - $164,500. For California, Seattle, Washington D.C., Maryland Greater Washington D.C. area,…
Position Requirements
10+ Years work experience
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