Fixing thermals in high-power energy & flight systems | Thermal Systems Engineer (CFD & V&V) | Ex-GE, Rimac, Lilium | Long term contract
Aktualisiert am 28.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.05.2026
Verfügbar zu: 100%
davon vor Ort: 20%
Thermalanalyse
CFD
Thermal Design
1D modeling
Gasturbinen-Kraftwerk
Aerodynamik
SLM
DMLM
Python
MATLAB
Open modelica
CHT
StarCCM+
ANSYS Fluent
Thermodynamik
Thermomanagement
Konzeptstudien
Kühlung
eVTOL
EV
Automotive
OpenFOAM
Gas Turbine
English
full professional proficiency
Croatian
Muttersprache
German
Beginner

Einsatzorte

Einsatzorte

Zagreb (+500km)
Deutschland, Schweiz, Österreich
Remote first, available for 20% onsite presence, critical reviews and team cohesion. Available for onsite onboarding phase.
möglich

Projekte

Projekte

7 years 1 month
2019-03 - 2026-03

Thermal system design and performance owner for human organ transplant and cooling system

Thermal Expert - Thermal performance responsible OpenModelica Python MS Excel
Thermal Expert - Thermal performance responsible

Thermal expert for human transplants organ cooling system - human kidney

  • Passive cooling device thermal concept and dimensioning
  • Thermal system engineering
  • Transient behaviour 1D thermal analysis for Phase Change Materials (PCM)
  • Supplier benchmarking and liaising
  • Validation planning and support
OpenModelica Python MS Excel
X-therma
Zagreb, Innsbruck
3 years 5 months
2021-07 - 2024-11

Thermal system integration in eVTOL - Propulsion vectoring (Electric motor, Inverter, Gearbox, CFRP Structure)

Thermal System Engineer CFD MATLAB MS Excel ...
Thermal System Engineer

Thermal integration of Propulsion Vectoring System for Lilium Pegasus eVTOL

  • thermal integration model for the PVS (Propulsion Vectoring System - servo actuator, gearbox, inverter, HV wiring, Position sensor, Aluminium + CFRP structure)
  • integrative transient CHT CFD simulations for the whole PVS
  • 0D thermal model for flight simulator based on 3D models
  • translation of mechanical, aeroelastic, inertial, electric and aerodynamic loads into a resulting heating/ cooling mission profiles
  • managing external simulation suppliers (SENER, Celestica, Glenair, etc.)
  • supporting and planning the validation campaigns
  • thermal requirements capturing
  • author of several Technical Design Description documents

CFD MATLAB MS Excel Python starccm+
Lilium
Munich
3 years 4 months
2018-04 - 2021-07

Thermal Simulations Team Lead

Team Lead for CFD Team and 1D Thermal Team, CFD Engineer CFD and CHT: StarCCM ANSYS Fluent OpenFOAM ...
Team Lead for CFD Team and 1D Thermal Team, CFD Engineer

  • Led thermal development for battery systems, power electronics, and vehicle applications
  • Managed thermal team of 10 engineers 
  • Delivered cooling solutions for OEM programs, Porsche, Hyundai, Koenigsegg

CFD and CHT: StarCCM ANSYS Fluent OpenFOAM CFX ICEM Fluent Meshing ? 1D Systems: MATLAB Simscape Flowmaster OpenModelica Dymola
Rimac Autmomobili
Sveta Nedelja, Zagreb
3 years 5 months
2014-12 - 2018-04

Gas Turbine Combustor Cooling Engineer | Lead Inventor

Hot gas path component engineer, Cooling engineer ANSYS Fluent CFX ICEM ...
Hot gas path component engineer, Cooling engineer
  • Developed cooling concepts for combustor components under extreme loads
  • Designed additive manufactured burner components
  • Lead inventor on patented solution improving efficiency and reducing cost and emissions
ANSYS Fluent CFX ICEM Flowmaster SC03 ? CAD and PLM: CATIA v5
General Electric Power (GE Power)
Karlovac

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2015-03 - 2015-03

Rolls Royce SC03 FEM thermal

SC03, Rolls Royce, Derby, UK
SC03
Rolls Royce, Derby, UK
1 year 5 months
2013-09 - 2015-01

Study - Mechanical Engineering (Energy Engineering - Turbomachinery)

Master of Mechanical Engineering (Magna cum Laude), University of Zagreb
Master of Mechanical Engineering (Magna cum Laude)
University of Zagreb
Master Thesis: on request

Position

Position

Thermal system owner - a person in charge of designing the robust cooling / thermal management system from concept through production, organizing calculations work, validating performance and making it easier and cheaper to manufacture.


Kompetenzen

Kompetenzen

Top-Skills

Thermalanalyse CFD Thermal Design 1D modeling Gasturbinen-Kraftwerk Aerodynamik SLM DMLM Python MATLAB Open modelica CHT StarCCM+ ANSYS Fluent Thermodynamik Thermomanagement Konzeptstudien Kühlung eVTOL EV Automotive OpenFOAM Gas Turbine

Produkte / Standards / Erfahrungen / Methoden

Heat Transfer
Experte
Thermodynamics
Experte
Fluid Dynamics
Experte
High Power Density Cooling
Experte
CFD
Experte
ANSYS Fluent
Experte
StarCCM+
Experte
1D
Experte
ICEM
Fortgeschritten
CAD
Fortgeschritten
MATLAB
Fortgeschritten
Python
Basics
Immersed Cooling
Experte
Phase Change Materials
Fortgeschritten
Design for Additive Manufacturing
Fortgeschritten

EXECUTIVE SUMMARY

Thermal Systems Engineer with 11+ years of experience delivering cooling solutions for Lilium, Rimac, and GE / Alstom. Focus on system level thermal concepts and execution through simulation, validation, and hardware. Track record in reducing thermal risk and supporting testing and certification.


CORE EXPERTISE

? System level strategy: requirements, cooling concepts, trade off studies for propulsion and high power density systems

? CFD and CHT: 3D CFD, conjugate heat transfer, multiphase, StarCCM, ANSYS Fluent, CFX

? Multi fidelity coupling: 1D and 3D models, MATLAB Simscape, OpenModelica, transient missions

? Additive cooling design: patented cooling geometries for gas turbine applications

? Testing and validation: correlation with bench and system test data

? High power density cooling: gas turbine components, battery systems, electronics


EXPERIENCE

eVTOL Propulsion and Aerothermal Integration, Lilium, 2021 to 2024

? Defined thermal strategy for propulsion systems under weight and integration constraints

? Performed 1D and 3D trade offs for cooling concepts, supported Validation and Certification DO 160 activities

? Delivered 3 Technical Design Specifications supporting hardware validation and certification


High Performance EV Powertrain Development, Rimac Automobili, 2018 to 2021

? Led thermal development for battery systems, power electronics, and vehicle applications

? Managed thermal team of 10 engineers

? Delivered solutions for OEM programs, Porsche, Hyundai, Koenigsegg


Gas Turbine Cooling Development, General Electric, 2014 to 2018

? Developed cooling concepts for combustor components under extreme loads

? Designed additive manufactured burner components

? Lead inventor on patented solution improving efficiency and reducing cost and emissions


Thermal Advisor for human organ trtansplants, X-therma 2019 to 2026

  • Thermal concept, transient phase change material (PCM) analyses, performance validation


TECHNICAL TOOLBOX / SKILLS

? CFD and CHT: StarCCM, ANSYS Fluent, OpenFOAM, CFX, ICEM, Fluent Meshing

? 1D Systems: MATLAB Simscape, Flowmaster, OpenModelica, Dymola

? Thermal and structural: ANSYS Workbench, SC03

? CAD and PLM: CATIA v5, Solidworks, SpaceClaim

? Languages: English full professional, German A1 A2 (improving)


Consultancy Model DACH Region

? Availability, 100 percent

? Setup, 80 percent remote, 20 percent onsite

? Location, Zagreb, less than 1 hour flight to Munich, Stuttgart, Zurich


Branchen

Branchen

  • Gas turbines (Alstom, GE)
  • EV automotive (Rimac Automobili, Rimac Technology)
  • Aerospace (Lilium GmbH)
  • Biomedical (X-therma GmbH)

Einsatzorte

Einsatzorte

Zagreb (+500km)
Deutschland, Schweiz, Österreich
Remote first, available for 20% onsite presence, critical reviews and team cohesion. Available for onsite onboarding phase.
möglich

Projekte

Projekte

7 years 1 month
2019-03 - 2026-03

Thermal system design and performance owner for human organ transplant and cooling system

Thermal Expert - Thermal performance responsible OpenModelica Python MS Excel
Thermal Expert - Thermal performance responsible

Thermal expert for human transplants organ cooling system - human kidney

  • Passive cooling device thermal concept and dimensioning
  • Thermal system engineering
  • Transient behaviour 1D thermal analysis for Phase Change Materials (PCM)
  • Supplier benchmarking and liaising
  • Validation planning and support
OpenModelica Python MS Excel
X-therma
Zagreb, Innsbruck
3 years 5 months
2021-07 - 2024-11

Thermal system integration in eVTOL - Propulsion vectoring (Electric motor, Inverter, Gearbox, CFRP Structure)

Thermal System Engineer CFD MATLAB MS Excel ...
Thermal System Engineer

Thermal integration of Propulsion Vectoring System for Lilium Pegasus eVTOL

  • thermal integration model for the PVS (Propulsion Vectoring System - servo actuator, gearbox, inverter, HV wiring, Position sensor, Aluminium + CFRP structure)
  • integrative transient CHT CFD simulations for the whole PVS
  • 0D thermal model for flight simulator based on 3D models
  • translation of mechanical, aeroelastic, inertial, electric and aerodynamic loads into a resulting heating/ cooling mission profiles
  • managing external simulation suppliers (SENER, Celestica, Glenair, etc.)
  • supporting and planning the validation campaigns
  • thermal requirements capturing
  • author of several Technical Design Description documents

CFD MATLAB MS Excel Python starccm+
Lilium
Munich
3 years 4 months
2018-04 - 2021-07

Thermal Simulations Team Lead

Team Lead for CFD Team and 1D Thermal Team, CFD Engineer CFD and CHT: StarCCM ANSYS Fluent OpenFOAM ...
Team Lead for CFD Team and 1D Thermal Team, CFD Engineer

  • Led thermal development for battery systems, power electronics, and vehicle applications
  • Managed thermal team of 10 engineers 
  • Delivered cooling solutions for OEM programs, Porsche, Hyundai, Koenigsegg

CFD and CHT: StarCCM ANSYS Fluent OpenFOAM CFX ICEM Fluent Meshing ? 1D Systems: MATLAB Simscape Flowmaster OpenModelica Dymola
Rimac Autmomobili
Sveta Nedelja, Zagreb
3 years 5 months
2014-12 - 2018-04

Gas Turbine Combustor Cooling Engineer | Lead Inventor

Hot gas path component engineer, Cooling engineer ANSYS Fluent CFX ICEM ...
Hot gas path component engineer, Cooling engineer
  • Developed cooling concepts for combustor components under extreme loads
  • Designed additive manufactured burner components
  • Lead inventor on patented solution improving efficiency and reducing cost and emissions
ANSYS Fluent CFX ICEM Flowmaster SC03 ? CAD and PLM: CATIA v5
General Electric Power (GE Power)
Karlovac

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2015-03 - 2015-03

Rolls Royce SC03 FEM thermal

SC03, Rolls Royce, Derby, UK
SC03
Rolls Royce, Derby, UK
1 year 5 months
2013-09 - 2015-01

Study - Mechanical Engineering (Energy Engineering - Turbomachinery)

Master of Mechanical Engineering (Magna cum Laude), University of Zagreb
Master of Mechanical Engineering (Magna cum Laude)
University of Zagreb
Master Thesis: on request

Position

Position

Thermal system owner - a person in charge of designing the robust cooling / thermal management system from concept through production, organizing calculations work, validating performance and making it easier and cheaper to manufacture.


Kompetenzen

Kompetenzen

Top-Skills

Thermalanalyse CFD Thermal Design 1D modeling Gasturbinen-Kraftwerk Aerodynamik SLM DMLM Python MATLAB Open modelica CHT StarCCM+ ANSYS Fluent Thermodynamik Thermomanagement Konzeptstudien Kühlung eVTOL EV Automotive OpenFOAM Gas Turbine

Produkte / Standards / Erfahrungen / Methoden

Heat Transfer
Experte
Thermodynamics
Experte
Fluid Dynamics
Experte
High Power Density Cooling
Experte
CFD
Experte
ANSYS Fluent
Experte
StarCCM+
Experte
1D
Experte
ICEM
Fortgeschritten
CAD
Fortgeschritten
MATLAB
Fortgeschritten
Python
Basics
Immersed Cooling
Experte
Phase Change Materials
Fortgeschritten
Design for Additive Manufacturing
Fortgeschritten

EXECUTIVE SUMMARY

Thermal Systems Engineer with 11+ years of experience delivering cooling solutions for Lilium, Rimac, and GE / Alstom. Focus on system level thermal concepts and execution through simulation, validation, and hardware. Track record in reducing thermal risk and supporting testing and certification.


CORE EXPERTISE

? System level strategy: requirements, cooling concepts, trade off studies for propulsion and high power density systems

? CFD and CHT: 3D CFD, conjugate heat transfer, multiphase, StarCCM, ANSYS Fluent, CFX

? Multi fidelity coupling: 1D and 3D models, MATLAB Simscape, OpenModelica, transient missions

? Additive cooling design: patented cooling geometries for gas turbine applications

? Testing and validation: correlation with bench and system test data

? High power density cooling: gas turbine components, battery systems, electronics


EXPERIENCE

eVTOL Propulsion and Aerothermal Integration, Lilium, 2021 to 2024

? Defined thermal strategy for propulsion systems under weight and integration constraints

? Performed 1D and 3D trade offs for cooling concepts, supported Validation and Certification DO 160 activities

? Delivered 3 Technical Design Specifications supporting hardware validation and certification


High Performance EV Powertrain Development, Rimac Automobili, 2018 to 2021

? Led thermal development for battery systems, power electronics, and vehicle applications

? Managed thermal team of 10 engineers

? Delivered solutions for OEM programs, Porsche, Hyundai, Koenigsegg


Gas Turbine Cooling Development, General Electric, 2014 to 2018

? Developed cooling concepts for combustor components under extreme loads

? Designed additive manufactured burner components

? Lead inventor on patented solution improving efficiency and reducing cost and emissions


Thermal Advisor for human organ trtansplants, X-therma 2019 to 2026

  • Thermal concept, transient phase change material (PCM) analyses, performance validation


TECHNICAL TOOLBOX / SKILLS

? CFD and CHT: StarCCM, ANSYS Fluent, OpenFOAM, CFX, ICEM, Fluent Meshing

? 1D Systems: MATLAB Simscape, Flowmaster, OpenModelica, Dymola

? Thermal and structural: ANSYS Workbench, SC03

? CAD and PLM: CATIA v5, Solidworks, SpaceClaim

? Languages: English full professional, German A1 A2 (improving)


Consultancy Model DACH Region

? Availability, 100 percent

? Setup, 80 percent remote, 20 percent onsite

? Location, Zagreb, less than 1 hour flight to Munich, Stuttgart, Zurich


Branchen

Branchen

  • Gas turbines (Alstom, GE)
  • EV automotive (Rimac Automobili, Rimac Technology)
  • Aerospace (Lilium GmbH)
  • Biomedical (X-therma GmbH)

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