Associate Sustainability Engineer

JLL; London; On-site; GBP 45,000 - 75,000; Full time

Job summary

An established industry player is seeking an Associate Sustainability Engineer to join their Sustainable Asset Services team. This role focuses on guiding clients through the evolving landscape of sustainability, helping them achieve their ESG goals while creating resilient real estate assets for the future. You will provide technical leadership, assess energy performance, and mentor junior colleagues. This is an exciting opportunity to work on impactful projects that contribute to a healthier environment and promote sustainable practices in the real estate sector. If you are passionate about sustainable design and have a strong background in building services, this role is for you.

Benefits

Career Growth Opportunities

Wellbeing Programs

Inclusive Culture

Recognition Programs

Qualifications

• 8+ years of experience in building services or environmental engineering.
• Chartered status and proficiency in NZC building designs.

Responsibilities

• Provide technical leadership and assess energy performance of buildings.
• Collaborate with clients on NZC and technical design solutions.

Skills

Sustainable Design

Communication Skills

Building Services Engineering

Environmental Engineering

Project Management

Data Analysis

Technical Leadership

Education

Degree in Building Services or Environmental Engineering

Postgraduate qualification in Sustainable Design

Tools

IES VE software

AutoCAD

Revit

OneClickLCA

Job description

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 around the world achieve their ambitions by owning, occupying, and investing in real estate.

If you’re looking to advance your career, JLL offers an environment to innovate with leading businesses, work on landmark projects, and engage in impactful real estate initiatives. You will have opportunities to build professional connections, gain diverse perspectives, and be inspired by top industry professionals. We focus on providing opportunities to help you realize 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 our clients through the evolving landscape of sustainability, helping them meet ESG goals through retrofit, fit-out, or property transactions. 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 work together to meet all sustainability requirements for projects, combining NZC with other critical sustainability standards to deliver best-in-class sustainable buildings. This environment fosters personal growth and learning.

What this job involves

• Providing technical leadership within the Sustainable Asset Services team
• Assessing existing buildings through site surveys, data analysis, and research to evaluate energy performance
• Developing and reviewing thermal models, applying engineering knowledge to optimize NZC building designs
• Mentoring less experienced colleagues, including coaching and training
• Managing projects or client programs with support from directors
• Engaging with clients to discuss NZC and technical design solutions
• Collaborating with cost management teams to evaluate cost-effective NZC options
• Preparing NZC briefs, feasibility studies, and design guidelines
• Conducting whole-life carbon assessments
• Integrating NZC strategies with broader sustainability initiatives, including BREEAM and WELL
• Staying updated on industry trends, evaluating new products/services, and sharing best practices through case studies
• Supporting business development and client pitches
• Contributing to the growth of the team and business

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

• A passion for sustainable and NZC buildings
• Excellent communication skills, both verbal and written
• A degree in Building Services or Environmental Engineering, or a postgraduate qualification in Sustainable Design
• Chartered status
• At least 8 years of experience in building services or environmental engineering or design
• Proficiency in IES VE software and CIBSE TM 54 thermal modeling, familiarity with IES Apache HVAC and DfP modeling
• Experience in designing and constructing low energy/NZC buildings, especially retrofits
• Knowledge of Part L/SAP modeling and upcoming regulatory changes
• Proficiency in AutoCAD and ideally Revit
• Understanding of UK GBC and LETI standards for NZC buildings
• Familiarity with BREEAM energy credits
• Desirable: Experience with OneClickLCA and Passivhaus standards, and wider sustainability consulting including WELL & BREEAM

If you possess most of these skills, we encourage you to apply, as training and support can be provided for the right candidate.

Additional Information

We foster an inclusive culture where success is shared. Our Total Rewards program supports your career growth, recognition, wellbeing, and benefits. Join us to develop your strengths and enjoy a fulfilling career.

Apply today at www.jll.com/careers

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. For support during the application process, contact [e-mail] or call [phone]. For other inquiries, visit our Contact Us page.