Graduate Sustainability Consultant

ISEP; Southampton; Hybrid; GBP 28,000 - 32,000; Full time

Job summary

isepglobal Southampton is seeking a STEM or Environmental graduate to join our sustainability and building services team on a hybrid basis. The role focuses on energy modelling, building regulations, and sustainable design support.

Starting salary £28k–£32k and training/mentoring are provided to develop as a sustainability consultant while engaging with engineers, architects and other specialists on live projects.

Qualifications

• Educated to degree level in a STEM discipline.
• Interest in sustainability with ability to understand technical concepts.
• Keen to become a sustainability consultant.
• Able to communicate clearly and professionally.
• Full driving licence desirable.

Responsibilities

• Develop sustainability strategies and auditing approaches.
• Carry out Building Regulations Part L assessments.
• Perform energy modelling and assessments.
• Conduct dynamic modelling for thermal comfort and overheating.
• Advise clients on energy reduction through design and specs.
• Collaborate with architects, engineers, QS, and consultants.
• Advise on building services aspects of BREEAM and Code for Sustainable Homes.
• Visit construction sites to inspect services installations.
• Provide input on building-integrated renewable energy.

Skills

Degree in STEM

Sustainability interest

Willingness to learn

Clear communication

Education

Bachelor's degree in STEM

Degree in physics / maths / engineering / environmental

Job description

STEM or Environmental Graduate - Get into Sustainable Design

Nr Southampton, Hampshire Hybrid Working

Starting Salary £28k to £32k

Graduate Engineer / Consultancy / Sustainability / Building Services / Energy / Integrated Engineering / Physics / Mathematics / Environmental

This role, starting in 2026, is to join an independent sustainability and engineering consultancy who provide insight including specialist thermal modelling calculations to support the creation of sustainable building designs.

They are currently recruiting for a graduate passionate about sustainability from a stem or sustainability background to join their team. This role offers excellent progression as you will receive training and mentoring to support your learning and career development within sustainability.

As a graduate you will receive full training to carry out the responsibilities listed below.

Role and Responsibilities

Tasks and responsibilities associated with this role will include but not be limited to

• Sustainability strategies
• Auditing
• Building Regulations Part L assessments
• Energy modelling and assessment
• Dynamic modelling for thermal comfort assessments and overheating risk assessments
• Advising clients on how to reduce energy use through engineering design and specification
• Working with design teams including architects, structural engineers, quantity surveyors and specialist consultants
• Advising on building services aspects of BREEAM and Code for Sustainable Homes
• Site visits to construction sites to inspect building services installations
• Advising on building-integrated renewable energy

Experience and Qualifications

• Educated to degree level in a stem discipline for example physics, maths, science, engineering, building services engineering, sustainability or environmental engineering.
• You must be interested in sustainability with the ability to understand technical concepts
• Keen to learn to become a fully fledged sustainability consultant
• Able communicate clearly and professionally.
• A full driving licence is desirable.

Unfortunately, the facility does not exist for this employer to provide working VISA s and or sponsorship to work in the UK