R&D Senior Thermal Mechanical Engineer

Location:

Krakow, Lesser Poland, Poland

Job ID:

R0133792

Date Posted:

2026-06-29

Company Name:

HITACHI ENERGY POLAND SP. Z O.O.

Profession (Job Category):

Engineering & Science

Job Schedule: 

Full time

Remote:

No

Job Description:

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.

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

More about us

At Hitachi Energy, we recognize that our people are at the heart of our success. We are committed to providing a supportive and inclusive workplace, competitive rewards, and opportunities for professional and personal growth. Our benefits package is designed to help employees thrive both at work and in their personal lives.

Our benefits offering for this role generally includes:

• Private medical care and life insurance

• Access to fitness and wellness programs

• Access to benefits platform with discounts and perks

• Employee Capital Plans (PPK)

• Equipment for working from home or allowances for setting up a workplace at home

• Spectacles and contact lenses allowance

• Company events and team‑building activities

• Psychological support program

• Free parking available

You will receive more specific information during the recruitment process.

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.

For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.

The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.