Senior Sustainability Engineer
London
£45,000 - £50,000
I am working with an established consultancy providing project management, cost consultancy, and energy modelling services that is looking to expand its team. The organisation focuses on retrofit and sustainability, offering expertise in energy modelling, compliance assessments, building performance improvement, and carbon reduction strategies. Their work supports clients in minimising the environmental impact of buildings through informed decisions on materials, systems, and long-term retrofit approaches.
Position Overview
This role is suited to a motivated professional with several years of experience in building performance modelling, energy assessments, overheating analysis, and carbon auditing across both commercial and residential projects.
The successful candidate will work closely with internal teams and external stakeholders to deliver practical, low-carbon solutions and contribute technical expertise to improve energy performance across the built environment.
Key Responsibilities
Independently produce energy and sustainability reports for planning submissions
Carry out overheating assessments and develop mitigation strategies in line with industry guidance
Perform operational energy modelling to predict real-world building performance
Develop and manage dynamic simulation models using industry-standard software
Undertake portfolio-level carbon and performance benchmarking assessments
Complete whole life carbon evaluations using recognised tools
Conduct site inspections and high-level building services condition reviews
Produce compliance calculations and energy performance documentation for both new and existing buildings
Generate energy performance certificates for a range of property types
Coordinate multidisciplinary teams, manage project deliverables, and oversee quality assurance processes
Build and refine simulation models from concept through to detailed design stages
Carry out option appraisals to identify optimal retrofit and energy efficiency strategies
Run thermal simulations and provide guidance on HVAC systems, ventilation, and plant sizing
Prepare clear technical reports and accessible summaries for clients and planning authorities
Apply building physics principles and sustainable design strategies to improve performance outcomes
Provide guidance on carbon reduction for both new developments and refurbishment projects
Collaborate with project teams and stakeholders to embed sustainability into project briefsQualifications
A minimum of three A-Levels (or equivalent)
A degree in a relevant discipline
Certification in recognised building simulation software
Accreditation as a non-domestic energy assessorSkills and Experience
Several years of experience in energy and sustainability roles
Strong experience using dynamic simulation software on a regular basis
Demonstrated knowledge of energy modelling, engineering principles, and performance analysis
Ability to interpret complex data and identify efficiency improvements
Understanding of mechanical systems and building services design
Familiarity with sustainability standards and building performance regulations
Strong problem-solving and organisational skills
Effective communication skills, with the ability to explain technical concepts clearly
Experience within construction, retrofit, or low-carbon design is advantageousIf you are interested in this Senior Sustainability Engineer position, please apply now or contact Callum at Aztrum via