Thermal Fluid Engineer - Cooling Air System & Clearance Design

Siemens Energy

$90K — $120K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS in Mechanical or Aerospace Engineering; Master's or PhD preferred
  • 5+ years of turbomachinery design, development, or operational experience
  • Strong understanding of fluid mechanics and heat transfer
  • Proficient in numerical simulation and modeling techniques
  • Experience with risk assessment methodologies like FMEA
  • Ability to perform complex data analysis and technical evaluations
  • Familiar with general programming languages

Responsibilities

  • Model and simulate thermal-fluid systems for gas turbine cooling air supply
  • Conduct transient thermal analysis to optimize turbine assembly clearances
  • Utilize both in-house and commercial software for fluid dynamics analysis
  • Interpret simulation results to validate engineering models against real data
  • Contribute to the design of turbine secondary air systems and component clearances
  • Analyze operational data and fleet feedback for design enhancements
  • Engage in risk assessments for design changes and support cross-functional collaboration

Benefits

  • Career growth and development opportunities
  • Supportive work culture
  • Company paid health and wellness benefits
  • Paid time off and holidays
  • 401K savings plan with company match
  • Family building benefits
  • Parental leave
Full Job Description
A Snapshot of Your Day

As a Thermal Fluid Engineer, you'll use advanced fluid dynamics and heat transfer analysis to shape the performance and reliability of large gas turbines. You'll design and analyze internal cooling air systems, secondary air systems, and component clearances using advanced simulation tools, while collaborating with a global engineering team on both new product development and service initiatives. Your work will directly influence turbine efficiency, durability, and continuous improvement across the fleet.

How You'll Make an Impact
  • 60% Thermal-Fluid System Modeling & Simulation
    • Develop and maintain complex models to describe the cooling air supply for hot gas-path components in gas turbines.
    • Simulate transient heating and thermal expansion of the entire turbine to determine optimal assembly gaps and clearances.
    • Utilize a combination of in-house and commercial simulation software to perform fluid dynamics and heat transfer analyses.
    • Analyze and interpret simulation results to validate models against empirical data and derive design-relevant conclusions.
  • 40% Design, Analysis & Improvement
    • Contribute to the conceptual and detailed design of gas turbines, specifically focusing on the secondary air system and clearance design.
    • Evaluate operational data, prototype findings, and fleet feedback to support design improvements and enhance product reliability.
    • Participate in risk assessments, such as Failure Mode and Effects Analysis (FMEA), for new and modified designs.
    • Collaborate with cross-functional teams including project management, component engineering, and manufacturing to ensure design feasibility and integration.
What You Bring
Required
  • BS Mechanical Engineering or Aerospace Engineering, or related field. Masters or PhD preferred.
  • 5+ years experience in design, development, or operation of turbomachinery
  • Core Engineering Principles for Fluid Mechanics and/or heat transfer
  • Numerical Simulation & Modeling
  • Data Analysis, Complex Technical Analysis
  • Risk Assessment (FMEA)
  • General Programming Languages
  • Intercultural Collaboration
Preferred
  • Gas Turbines Systems & Components, or similar
  • Mechanical Engineering
  • Thermodynamics
  • Finite Element Method (FEM)
Export Control Requirement:
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.

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
Jobs & Careers: https://jobs.siemens-energy.com/jobs

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