Thermal Systems Engineer - Turbomachinery

Siemens Energy; Orlando (FL); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Career growth and development

Supportive work culture

Company paid Health and wellness

Paid Time Off and holidays

401K savings plan

Family building benefits

Parental leave

Job summary

Siemens Energy seeks a Thermal Systems Engineer in Orlando, FL to strengthen gas turbine technology through thermal-fluid analysis, CFD, and modeling. You will collaborate with a global team to improve performance, reliability, and efficiency across the fleet.

The role emphasizes developing cooling and thermal models, analyzing clearances, and leveraging simulation results to drive product enhancements and next‑generation technologies.

Qualifications

• BS degree in mechanical or aerospace engineering or a related field.
• 0–2+ years' experience in fluid mechanics, thermodynamics, heat transfer, or thermal systems.
• Experience with simulations, modeling, or CFD tools is a plus.
• Exposure to gas turbines, turbomachinery, or energy systems is preferred.
• Familiar with Python, MATLAB, or similar programming tools.
• Strong analytical, problem-solving, and teamwork skills.
• Eligible to work in the United States without current or future sponsorship.

Responsibilities

• Perform thermal-fluid, heat transfer, and CFD analysis for gas turbine systems.
• Develop models to predict cooling air flow, component temperatures, and turbine thermal behavior.
• Analyze turbine clearances and thermal growth to support design optimization.
• Use simulation results and operational data to improve product performance and reliability.
• Support new product development, technology upgrades, and fleet improvement initiatives.
• Collaborate with engineering, manufacturing, service, and project teams around the world.

Skills

Thermal-fluid analysis

CFD tools

Modeling

Python

MATLAB

Analytical skills

Teamwork

Education

BS in Mechanical Engineering or Aerospace Engineering

Related field

Tools

CFD software

Python

MATLAB

Job description

A Snapshot of Your Day

Ready to help shape the future of gas turbine technology?

As a Thermal Systems Engineer, you'll use fluid dynamics, heat transfer, thermodynamics, and simulation tools to improve the performance, reliability, and efficiency of advanced gas turbines. You'll work with a global team of engineers to solve complex technical challenges, support new product development, and enhance the performance of Siemens Energy's operating fleet.

How You'll Make an Impact

• Perform thermal-fluid, heat transfer, and CFD analysis for gas turbine systems.
• Develop models to predict cooling air flow, component temperatures, and turbine thermal behavior.
• Analyze turbine clearances and thermal growth to support design optimization.
• Use simulation results and operational data to improve product performance and reliability.
• Support new product development, technology upgrades, and fleet improvement initiatives.
• Collaborate with engineering, manufacturing, service, and project teams around the world.

What You Bring

• BS in Mechanical Engineering, Aerospace Engineering, or a related field.
• 0-2 or more years’ fluid mechanics, thermodynamics, heat transfer, or thermal systems. Candidates with more years of experience may be considered at a higher level.
• Experience with engineering simulations, modeling, or CFD tools is a plus.
• Exposure to gas turbines, turbomachinery, rotating equipment, aerospace, or energy systems is preferred.
• Familiarity with programming tools such as Python, MATLAB, or similar is beneficial.
• Strong analytical, problem-solving, and teamwork skills.
• Applicants must be legally authorized to work in the United States without current or future employer-sponsored work authorization. Siemens Energy employees with existing visa sponsorship may be eligible for internal transfers.

Export Control Requirement (ECC):

Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

About the Team

Our Gas Services division offers Low-emission power generation through service and decarbonization. Zero or low emission power generation and all gas turbines under one roof, steam turbines and generators. Decarbonization opportunities through service offerings, modernization, and digitalization of the fleet.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. With ~100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo

Rewards/Benefits

• Career growth and development opportunities
• Supportive work culture
• Company paid Health and wellness benefits
• Paid Time Off and paid holidays
• 401K savings plan with company match
• Family building benefits
• Parental leave

Equal Employment Opportunity Statement

Siemens Energy is an Equal Opportunity and Affidative Action Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local

law.