Associate Sustainability Engineer

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 find a place where they belong. Whether you have 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.

We are looking for an Associate Sustainability Engineer for our Sustainable Asset Services team.

About JLL

We\’re JLL, a professional services and investment management firm specializing in real estate. We help organizations worldwide achieve their ambitions by owning, occupying, and investing in real estate.

If you\’re looking to advance your career, JLL offers a professional environment where you can innovate with leading businesses, work on landmark projects, and participate in impactful real estate initiatives. You\’ll have opportunities to build professional connections, share perspectives, and be inspired by top talent. We focus on opportunity and supporting your growth. Achieve your ambitions—join us at JLL!

Role Purpose

JLL\’s Sustainable Asset Services support the creation of resilient real estate assets for the future. We guide clients through the evolving landscape of sustainability to deliver retrofit, fit-out, or property transactions aligned with ESG goals and industry best practices. Our focus is on decarbonizing buildings, protecting assets from climate change, and creating healthier environments for people.

Our diverse team of engineers and sustainability professionals enables us to guide clients through all sustainability requirements, combining NZC with other critical criteria to deliver top-tier sustainable buildings. This environment fosters personal learning and development.

We are a purpose-driven team committed to leading-edge practices to ensure our clients act responsibly for the future.

What this job involves

1. Providing technical leadership within the Sustainable Asset Services team.
2. Reviewing existing buildings through site surveys, as-built information, energy data, and research; quantifying key energy performance factors.
3. Creating and reviewing detailed thermal models; applying understanding of building engineering and fabric to design efficient NZC buildings.
4. Overseeing work of junior colleagues, including coaching and training.
5. Managing projects or client programs daily, with support from directors.
6. Liaising with clients to discuss NZC or other technical design solutions.
7. Collaborating with the cost management team to evaluate cost-effective NZC solutions.
8. Preparing NZC briefs, feasibility studies, and design guides.
9. Conducting whole-life carbon assessments.
10. Integrating NZC advice with broader sustainability strategies, coordinating with standards like BREEAM and WELL.
11. Monitoring industry trends, evaluating new products/services, sharing best practices, and publishing case studies.
12. Assisting with business development and client pitches.
13. Supporting the growth of the business with leadership collaboration.

Sound like you? To apply, you need to be/have:

1. A passion for sustainable and NZC buildings.
2. Excellent communication skills, both verbal and written.
3. A Building Services or Environmental Engineering degree or equivalent postgraduate qualification in Sustainable Design.
4. Chartered status.
5. At least 8 years of experience in building or environmental engineering or design.
6. Proficiency in IES VE software, CIBSE TM 54 thermal modeling, and familiarity with IES Apache HVAC and DfP modeling.
7. Experience in designing and constructing low energy/NZC buildings, preferably in retrofit markets.
8. Knowledge of Part L/SAP modeling and upcoming regulatory changes.
9. Competence in AutoCAD, ideally Revit.
10. Strong understanding of UK GBC and LETI standards for NZC buildings.
11. Familiarity with BREEAM energy credits.
12. Knowledge or experience with OneClickLCA and Passivhaus standards is desirable.
13. Experience in broader sustainability consulting, including WELL and BREEAM.

If you possess most of these skills but not all, we encourage you to apply, as we offer training and support for the right candidates.

Additional Information

We value diversity and inclusion, aiming to recruit, retain, reward, and develop employees based on ability and contribution, regardless of background or identity.

We provide accessible recruitment and employment processes for candidates with disabilities or health conditions, and support work-life balance through flexible working and parental programs.

JLL is a Living Wage accredited business, committed to fair pay. More about our Living Wage initiative can be found here .

What you can expect from us

Join an entrepreneurial, inclusive culture where success is shared. We offer a Total Rewards program supporting your career ambitions, recognition, wellbeing, benefits, and pay. Develop your strengths and enjoy a fulfilling career with diverse experiences. Imagine where JLL can take you…

Apply today at

Location:

On-site – Bristol, GBR; London, GBR

If this role resonates with you, we encourage you to apply even if you don\’t meet all requirements. We want to learn about what you bring to the table! For adjustments during the application process, contact or call +44 (0)20 7493 4933.

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