JLL empowers you to shape a brighter way.  

Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people  and empowering them to  thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

This role focuses on developing energy modelling tools and practices for building portfolio modelling. The ideal candidate will drive strategic innovation, contribute to complex projects, and support a diverse team. 

Key Responsibilities: 

Project Delivery: 

Provide high-level oversight on complex energy modelling projects across various scales   

Ensure consistent delivery of high-quality energy modelling services globally   

Tool Development: 

Lead the design and development of a proprietary energy modelling tool   

Integrate OpenStudio and EnergyPlus capabilities into the tool   

Ensure the tool's scalability from small to large-scale energy models  

Technical Expertise: 

Guide the team in utilizing OpenStudio and EnergyPlus effectively   

Oversee the implementation of advanced features such as parametric analysis, optimization, and uncertainty quantification   

Ensure best practices in software development, version control, and data management  

Team Management and Development  

Collaborate with a diverse team of energy modelers and software developers at all experience levels  

Requirements: 

5-10 years experience in software development  and building energy modelling  

Advanced degree in Building Science, Software Development or related field   

Extensive experience with OpenStudio and EnergyPlus, including: 5+ years working with OpenStudio SDK 5+ years developing custom measures and workflows   

3+ years experience with OpenStudio server for large-scale simulations   

Excellent communication skills and ability to translate technical concepts to non-technical stakeholders   

Deep understanding of building physics and energy systems 

Preferred: 

Strong programming skills with: 5+ years experience in Python 3+ years experience in Ruby 3+ years experience in C++   

Proven track record in developing and leading large-scale energy modelling projects   

Experience with version control systems and collaborative development platforms 

Familiarity with data visualization tools 

Experience with cloud computing platforms 

Relevant certifications (LEED AP, BEMP, etc.) 

This role offers an opportunity to shape the future of energy modelling for global building portfolios, driving sustainable solutions and optimizing performance across the built environment. 
 

What we offer: 

Contract of employment 

Benefits package (private healthcare, cafeteria system, life insurance) 

Long-term career growth opportunities 

Training and development programs to enhance your skills 

Modern office in an attractive location (Warsaw Spire) near the subway station (hybrid working model) 

Location:

If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements.  We’re interested in getting to know you and what you bring to the table!

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Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities.  If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process –  you may contact us at Accommodation Requests. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.