Principal Heat Transfer Engineer

Posted 6 Days Ago
Be an Early Applicant
San Diego, CA, USA
In-Office
121K-181K Annually
Entry level
Energy
The Role
Design, analyze, and validate turbine cooling systems, thermal management systems, and transient thermal models for gas turbines. Perform advanced thermal analysis using FEA and CFD, validate analytical models with experimental data, develop heat transfer methodologies, and support product design. Collaborate across disciplines, implement innovative solutions, establish modeling and quality-control practices, and mentor a small team of analysts. The position is onsite five days per week in San Diego, California.
Summary Generated by Built In

Career Area:

Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

As a Principal Heat Transfer Engineer at Solar Turbines, you will join a diverse group of technical experts in the Heat Transfer Applications team as part of the Technology & New Product Development organization. The Heat Transfer Applications team provides preliminary and detailed definition, analysis and experimental validation of turbine cooling systems which include secondary flow circuits, turbine disks, turbine diaphragms, and cooled airfoils.  Other areas of responsibility include overall engine thermal management, transient thermal analysis and product support. Opportunities exist to develop advanced cooling techniques and improve design methodology. The Heat Transfer engineer applies in-depth technical expertise to the design and analysis of turbine cooling systems while collaborating with a cross-functional team to ensure all design objectives of the product are achieved.

What You Will Do:

  • Apply and Collaborate: Utilize engineering and analytical skills to actively apply relevant principles, theories, and concepts while collaborating within a close-knit team.

  • Innovate and Implement: Take the initiative to propose, promote, and implement innovative ideas and solutions.

  • Engage and Contribute: Participate actively and contribute meaningfully to team discussions and brainstorming sessions.

  • Collaborate Across Teams: Collaborate efficiently within both interdisciplinary and intradisciplinary team environments.

  • Work Locally: Be prepared to work in person from the San Diego, California office.

What You Need To Have:

  • Educational Background: A BS degree in Mechanical or Aerospace Engineering or equivalent

  • Effective Communication: Ability to clearly communicate verbally and in writing. Be able to bring assigned tasks to clear and concise closure

  • Managing Multiple Priorities: Willingness to handle multiple complicated and challenging tasks efficiently

  • Technical Excellence: Direct experience performing advanced thermal analysis with application to high temperature turbomachinery at a leading gas turbine OEM or equivalent

Top Candidates Will Have:

  • Educational Background: An advanced degree in Mechanical or Aerospace Engineering with an emphasis in thermal/fluid systems

  • Product Design and Development: Knowledge of advanced heat transfer design for turbomachinery. Experience creating 2D axisymmetric whole engine finite element (FE) models of gas turbines with Ansys Mechanical APDL. Familiarity with gas turbine secondary flow system design and 1D flow network analysis.

  • Technical Excellence: Ability to validate analytical models (steady-state and transient FEA, CFD) with experimental test data. Experience performing thermal FE analysis of cooled turbine blades and vanes.

  • Product Testing: Experience developing FE modeling best practices, implementing quality control procedures, and creating standard work for others to follow

  • Effective Communication: Strong communication skills with ability to mentor and lead a small team of analysts

Experience with the following software tools is highly desirable:

  • Ansys Mechanical APDL and Workbench

  • 1-D flow network simulation tools

  • Pro-Engineer/Creo, NX, Spaceclaim or other 3D CAD application equivalent

  • Star CCM+

About Caterpillar

Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed.

 

Summary Pay Range:

$120,600.00 - $180,900.00

Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. 

Benefits:

Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.

  • Medical, dental, and vision benefits*

  • Paid time off plan (Vacation, Holidays, Volunteer, etc.)*

  • 401(k) savings plans*

  • Health Savings Account (HSA)*

  • Flexible Spending Accounts (FSAs)*

  • Health Lifestyle Programs*

  • Employee Assistance Program*

  • Voluntary Benefits and Employee Discounts*

  • Career Development*

  • Incentive bonus*

  • Disability benefits

  • Life Insurance

  • Parental leave

  • Adoption benefits

  • Tuition Reimbursement

       

* These benefits also apply to part-time employees

 
This position requires working onsite five days a week. 
Relocation is available for this position.

Visa Sponsorship is not available for this position.

Posting Dates:

August 25, 2026 - September 8, 2026

Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.

Not ready to apply? Join our Talent Community.

Skills Required

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or equivalent
  • Ability to communicate clearly verbally and in writing
  • Ability to bring assigned tasks to clear and concise closure
  • Ability to manage multiple complicated and challenging tasks efficiently
  • Direct experience performing advanced thermal analysis applied to high-temperature turbomachinery at a leading gas turbine OEM or equivalent
  • Advanced degree in Mechanical or Aerospace Engineering with an emphasis in thermal or fluid systems
  • Knowledge of advanced heat transfer design for turbomachinery
  • Experience creating 2D axisymmetric whole-engine finite element models of gas turbines using Ansys Mechanical APDL
  • Familiarity with gas turbine secondary flow system design and 1D flow network analysis
  • Ability to validate steady-state and transient FEA and CFD analytical models using experimental test data
  • Experience performing thermal finite element analysis of cooled turbine blades and vanes
  • Experience developing finite element modeling best practices and implementing quality-control procedures
  • Experience creating standard work for others to follow
  • Ability to mentor and lead a small team of analysts
  • Experience with Ansys Mechanical APDL and Workbench
  • Experience with 1-D flow network simulation tools
  • Experience with Pro-Engineer, Creo, NX, SpaceClaim, or equivalent 3D CAD software
  • Experience with Star-CCM+
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The Company
HQ: San Diego, CA
5,640 Employees
Year Founded: 1927

What We Do

Solar Turbines provides gas turbine packages and services for oil and gas and power generation industries, including gas compressor restage and overhaul, service parts, gas turbine overhaul, machinery management, technical training, modular solutions, and microgrid energy storage solutions.

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