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R&D Senior Thermal Mechanical Engineer

Yesterday Krakow, Poland

The Opportunity:

You will be working in a small, cross-functional team of highly skilled engineers consisting of Power Electronics, Control Engineers, HW Electronics plus Thermal and Mechanical Engineers.
We develop a new breakthrough modular converter platforms based on wide bandgap semiconductors (e.g. SiC) for a range of grid and DC applications. The thermal analysis and newest cooling solutions are vital element of new platform and technology development. You are expected to push the technology boundaries in terms of efficiency, size and operational performance. In the future the solutions we are developing will be used for: integrating renewables, providing energy storage, improving power quality, and enabling green transportation plus e-Mobility.

How you'll make an impact:

  • Modeling and design of thermal components and systems for power electronic converters, cabinets and systems
  • Contribute to solving the challenges and optimization of the converter thermal system, which is an integral part of the complete converter design
  • Be part of design process starting from idea generation, simulation, thermal system design, prototyping and finally verification of new converter products
  • Take responsibility for specification, selection, qualification and verification of the thermal system
  • Support a fast, iterative design process in a cross-functional, dedicated team. Use fast prototyping and lab mock-ups to close learning loops and achieve results quickly
  • Working in modern laboratories; testing the thermal system in prototypes; evaluating designs limits
  • We offer an exciting job in an international environment where you will get great possibilities to develop further within Hitachi Energy.
  • Living Hitachi Energy's core values of safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business.

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Your background:

  • Master's or PhD degree in Mechanical/Thermal Engineering
  • 5+ years of experience with modeling and design of thermal components and systems,
  • Experience with mechanical CAD and thermal CFD simulation tools (Ansys IcePak, ...)
  • Experience with specification, selection and qualification of thermal systems (heatsinks, fans, water cooling systems, ...)
  • Experience with power electronic converters/power supplies development process is an advantage
  • Strong commitment to safe work practices and dedication to following all relevant workplace safety guidelines.
  • A high level of self-motivation, curiosity and desire to learn about new technologies.
  • A collaborative, solutions-oriented approach and strong communication skills.
  • As you will be part of a global business, fluency in written and spoken English is required

Apply now

Current employees apply here

Client-provided location(s): Krakow, Poland
Job ID: Hitachi_Energy-JID3-202273
Employment Type: FULL_TIME
Posted: 2026-06-30T18:44:13

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • HSA With Employer Contribution
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
    • On-Site Gym
  • Parental Benefits

    • Fertility Benefits
    • Family Support Resources
    • Birth Parent or Maternity Leave
    • Adoption Assistance Program
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Commuter Benefits Program
    • Snacks
    • Some Meals Provided
    • Company Outings
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Unlimited Paid Time Off
    • Paid Holidays
    • Personal/Sick Days
    • Summer Fridays
  • Financial and Retirement

    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
  • Professional Development

    • Tuition Reimbursement
    • Learning and Development Stipend
    • Promote From Within
    • Mentor Program
    • Access to Online Courses
    • Lunch and Learns
    • Work Visa Sponsorship
    • Leadership Training Program
    • Internship Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)

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