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This listing expired on May 26, 2026. It may no longer be accepting applications.

Sustainability Engineer

Brandon James Ltd

Location Witney
Contract Type Permanent
Job Type Not specified

Job Description

Sustainability Engineer - Company Information

A well-established, multidisciplinary construction and property consultancy is seeking a Sustainability Engineer to join its growing sustainability team. The business operates across multiple UK offices and delivers a broad range of projects within the built environment.

This is an opportunity to contribute to the delivery of low-carbon, resilient and future-ready buildings, working alongside a collaborative team of professionals. The role offers exposure to both strategic and technical sustainability input across diverse projects - including defence projects, supporting clients in improving building performance and environmental outcomes.

The sustainability engineer can be based in one of several UK offices, with a hybrid working arrangement in place.

  • Due to the nature of some of the projects, the candidate must be born in the UK

Sustainability Engineer - Role Responsibilities

  • Carry out sustainability assessments, including compliance with Building Regulations Part L
  • Undertake dynamic thermal modelling using IESVE
  • Develop energy strategies, carbon assessments and low/zero-carbon feasibility studies
  • Provide design-stage sustainability advice, including massing, orientation, façade optimisation and thermal comfort
  • Produce energy and sustainability reports to support planning applications
  • Review building systems and processes to assess environmental performance
  • Provide technical guidance to both internal teams and external clients
  • Support bid submissions, fee proposals and wider business development activities
  • Work collaboratively within multidisciplinary teams, communicating effectively with both technical and non-technical stakeholders
  • Ensure work is delivered in line with internal quality standards and procedures
  • Maintain accurate project records and assist with project financial processes

Sustainability Engineer - Qualifications

Essential:

  • Degree or Master's in Engineering, Sustainability, Building Performance or a related discipline
  • Strong experience using IESVE and building performance modelling tools
  • Proven experience delivering sustainability or energy consultancy projects
  • Solid understanding of Building Regulations, energy compliance and UK planning requirements
  • Strong analytical, communication and report-writing skills

Desirable:

  • Membership of CIBSE, Energy Institute or similar professional body
  • CIBSE Low Carbon Consultant (LCC) or LCEA accreditation
  • Experience engaging with clients, leading meetings and managing project delivery

In Return…

  • Flexible working arrangements, hybrid working
  • 25 days annual leave plus bank holidays, with additional leave over the festive period.
  • Competitive salary with regular market benchmarking and reviews.
  • Employer pension contribution.
  • Health cash plan.
  • Support for professional memberships and ongoing training.
  • Structured development, mentoring and internal coaching.
  • Family-friendly employment policies.
  • Cycle to Work scheme.
  • On-site parking at regional offices.
  • Season ticket loan where applicable.
  • Death in service cover.
  • Early finish incentives linked to company performance.
  • Paid volunteering leave (up to two days per year).
  • Health and mental wellbeing initiatives
  • Employee referral programme.
  • Regular team and social events fully funded by the business.

If you are a Sustainability Engineer, considering your career options, please contact Megan Cole at Brandon James.

REF 21634MC

Salary

£55,000 - £65,000

GBP
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Job Details
  • Employer: Brandon James Ltd
  • Location: Witney
  • Contract: Permanent
  • Expires: May 26, 2026
  • Source: Reed.co.uk
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