Senior Sustainability / Building Physics Engineer (Hybrid – Bristol Area)

Location: Bristol (Hybrid working with minimum 2 days onsite) Salary: Competitive, with annual performance bonus Hours: Full-time (37 hours/week)

About the Role

An established building services consultancy in the Bristol area is looking to add a Senior Sustainability / Building Physics Engineer to their growing team. This is a fantastic opportunity to work on a variety of high-profile projects across education, healthcare, commercial, residential, and leisure sectors. You will be a key contributor to sustainability and building physics input on projects — from energy modelling and life cycle assessments to BREEAM, Passivhaus, and Net Zero Carbon strategies. Alongside project work, you’ll mentor junior engineers and collaborate closely with multi-disciplinary teams to deliver innovative, low-carbon building designs.

Key Responsibilities

Lead sustainability and building physics consultancy services throughout project lifecycles Perform thermal modelling, energy performance analysis, embodied carbon calculations, and life cycle assessments Prepare clear technical reports, sustainability statements, and certification documentation (BREEAM, Passivhaus, etc.) Attend design team, client, and site meetings, providing expert advice and guidance Mentor and support junior team members, fostering a collaborative and learning-focused environment Keep up to date with evolving UK regulations and best practice frameworks, including Part L, NPPF, and local planning policies Manage workload efficiently to deliver high-quality work within deadlines

Candidate Profile

Degree qualified in Building Services, Environmental or Architectural Engineering, Energy, Sustainability, or a related field Certified Low Carbon Energy Assessor (or working towards qualification) Strong experience in building physics principles, thermal modelling, and sustainability assessments Proficient with software such as IES, AutoCAD, and Revit Familiar with UK sustainability standards and regulations including BREEAM, Passivhaus, Net Zero Carbon, Part L, and NPPF Excellent communication, organisational, and analytical skills Comfortable working independently and collaboratively Demonstrable leadership and mentoring capabilities

Benefits & Culture

Competitive salary and annual performance-related bonus Generous holiday entitlement with additional long-service leave Flexible hybrid working arrangements promoting work-life balance Private healthcare and life insurance Company pension scheme Cycle to work and referral bonus schemes Strong commitment to personal development, including support towards professional chartership If you are an experienced Sustainability / Building Physics Engineer seeking a new challenge with career progression and impactful projects, please get in touch. Apply confidentially today with your CV and covering letter