Building Physics Engineer

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Are you looking to use your talent to make this world a better place. Do you get excited when your work can directly make a positive impact on people’s life and the planet at the same time? Please continue reading PHYSEE is looking for an Building Physics Engineer.

Full-time / Delft

Join today, shape tomorrow.

We are about to ramp up, and we want you to be a part of it.

At PHYSEE, the future we envision is one with energy-neutral buildings, centered around human comfort, and filled with sustainable solutions that don’t compromise on aesthetics or functionality. Our growing team of PHYSEEonairs is committed to making our vision become reality. As PHYSEE is on track to future roll out our latest generation of the SENSE platform, we are expanding our software development team to help us become the world’s leader in real estate sustainability solutions. 

We are looking for a Building Physics Engineer who wants to be part of the movement to change the world’s perspective. You are fluent in the use of the industry standard packages EnergyPlus and Radiance. Next to that, you can interact with these packages in Python to code and developed automated simulations. An understanding of Rhino, Grasshopper and the Ladybug and Honeybee tools is a huge plus. We are looking for someone who approaches change with a positive mind-set and who drives continuous improvements.

The role has the potential to grow into becoming a Building Simulation expert within PHYSEE, developing new ways to create value from Building Physics within the company. 

What you’ll be doing:

  • You will develop new functionalities in our Building Physics core, focusing on the automation of simulations using building physics in known Python frameworks.
  • You will add energy reduction and comfort increasing simulations to the tool, ie. optimising natural ventilation and daylight optimisation. 

  • Together with our Solution Architects you will co-develop building specific algorithms to fine tune our algorithms to dynamic facades.

  • Develop pre-trained simulated models for predictive control together with our data engineer. 

Who we’re looking for:

  • MSc Building Technologies, with a specialisation in building physics. Computer Science or other MSc is possible when experience can validate skills.
  • Ideally a few years of experience, which can also be shown through examples of work during studies.
  • Experience in building physics modelling, simulation & control strategies
  • Experience with the Energy+and Radiance, plus when combined with Python EMS
  • Fluent in Python and a plus if experienced in C# or C++
  • Technical skills in Rhinoceros, Grasshopper (Ladybug and Honeybee) are a plus.
  • Revit and BIM knowledge is a bonus

What you can Expect? 

  • Be part of a growing organization, with the mission of transforming the built environment into a smart, sustainable, and healthy eco-system.
  • Have variety in your daily activities through active knowledge sharing, presentations.
  • Work-life balance.
  • Open environment to express your opinion and share new ideas.
  • Work in an English environment, with 12 different nationalities.
  • Daily lunch & fruits.
  • Weekly fitness Bootcamp on Monday’s (PHYSEEO).
  • Fun events and Friday drinks every six weeks.

You like what you see? Apply by clicking the button below and we'll be in contact with you as soon as possible! 

Our Core Values

Each PHYSEEonair brings unique mentalities, customs and skillsets to the table, but we're binded by these values. They reflect what we stand for as a company and how we conduct our business on a day-to-day basis. We are proud to have a group of 45 curious, ambitious, quirky and adventurous PHYSEEonairs and that these values continue to drive our growth. 

"A lot of companies say they focus on their values, on learning and on sustainability. PHYSEE does it!”. 

Solco Reijnders, Head of New Business 


You're part of a young and fast growing company wanting to change the world’s perspective of a sustainable future. Your work matters at PHYSEE. 

Your colleagues are funny, creative and supportive! With different nationalities, deep passion and energy, PHYSEEonairs make work exciting. Work-life balance -or in our lingo: "Plan it Happy"- is key.

Plenty of benefits. 27 days of annual leave. Healthy and free lunch. Budget for external career trainings. Covered travel costs. Monthly reimbursements of technical equipment.

Flexibility and responsibility. As long as you make our mission your mission, you are given the freedom to decide how to achieve your best potential. 

We are healthy. We love sports. We stay active with weekly PHYSEEo (bootcamp), PHYoga, PHYSki trip and fresh fruit every single day. 

Open knowledge sharing in a creative way. Every Friday we host interdepartmental brainstorms and have daily '4 O'clock' breaks to give your mind a break while learning about new topics. 


Pim Rutgers


Tarang Gupta 

Computational Engineer

Heidi Mao 

Full Stack devoloper