Job Description
Position summary
This role supports the contract Environmental and Sustainability (E&S) functions, providing and driving E&S solutions and enabling the contract and operational teams to implement the SHE and Sustainability management systems on Costain's Heathrow framework. You will build and maintain relationships with all stakeholders while providing an independent, objective view of E&S performance on the contract, working closely and collaboratively with the Health and Safety function, together known as the SHE Team.
Why this role matters
This role helps deliver the environmental and sustainability outcomes that underpin Heathrow's journey to become a net-zero aviation hub. By implementing the E&S management system, running sustainability workshops, and providing independent assurance of E&S performance, you help the contract meet its environmental commitments across the project lifecycle.
Key responsibilities
- On-site support: Provide on-site support and run sustainability workshops with stakeholders to deliver sustainable outcomes.
- Stakeholder liaison: Liaise with the client, supply chain, and contract teams to achieve E&S outcomes, and implement the E&S management system across the framework.
- Pre-mobilisation: Support pre-mobilisation, ensuring necessary environmental assessments and risk reduction have been undertaken.
- Leadership support: Support and influence the Contract Leadership Team, clients, and stakeholders in compliance with the Group SHE Management System and contract environmental performance.
- Training and coaching: Deliver training and coach operational and supply chain contractors in delivering contract environmental requirements, and support ongoing assessment of supply chain contractors.
- Assurance and data: Support the Contract Environmental Assurance programme, investigate unplanned events and close out findings, and support timely reporting and analysis of environmental data to inform improvement plans.
Team and stakeholders
You will work within the combined SHE Team alongside the Health and Safety function, and with the Contract Leadership Team, clients, supply chain contractors, and operational teams.
Requirements:
- Essential: environmental-related experience; an Environmental Degree or equivalent; and PIEMA or equivalent (working towards MIEMA/CEnv).
- Desirable: significant relevant environmental experience in a relevant industry, over 5 years of such experience, and MIEMA CEnv or equivalent.
Job Details
Costain Group
Costain Group is a leading UK infrastructure solutions company providing consultancy, digital technology, engineering, and complex programme delivery across the transportation, energy, water, and defence sectors. With more than 150 years of experience, Costain partners with government agencies, regulated industries, and blue-chip organisations to design, build, optimise, and maintain essential national infrastructure. The company focuses heavily on innovation, smart infrastructure, decarbonisation, and digital transformation—helping clients improve performance, increase resilience, and meet strategic regulatory commitments. Costain plays a major role on landmark national projects, including HS2, where it supports engineering excellence, carbon reduction, and long-term sustainability outcomes. Guided by a strong commitment to environmental stewardship, safety, and stakeholder engagement, Costain integrates sustainability and carbon management into all phases of project delivery, making it a trusted delivery partner for the UK’s most complex infrastructure programmes.
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