Environment and Sustainability Lead in Whitehaven

At Amentum, we are driven by an unyielding commitment to innovation, integrity, and collaboration, tackling significant challenges in science, security, and sustainability. If you are passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. We believe that success comes from continuously pushing boundaries and working together to deliver on our promises.

We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients, and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you would expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work-life balance and flexibility is a key focus area for us. We are happy to discuss hybrid, part-time, and flexible working hours, patterns, and locations to suit you and our business.

Amentum is the design and engineering partner for Sellafield under the PPP (Programme and Project Partners). This is a 20-year arrangement to deliver approximately £7bn of major projects. We are looking to recruit high-value expertise from across regulated and comparable sectors to work in a collaborative environment. PPP is delivering major projects, site-wide improvements, and provision of supporting services.

The Environment and Sustainability Lead is the senior environmental and sustainability authority within PPP, responsible for integrating environmental protection, compliance, and environmental sustainability performance across all partners and projects. This role ensures that environmental requirements are embedded into engineering design, construction delivery, risk management, commercial frameworks, and site operations.

We are seeking a passionate and strategic Environment and Sustainability Lead to join us in supporting our clients in creating a cleaner, safer environment for future generations. You will be instrumental in embedding sustainable practices across a portfolio of highly complex and critical national infrastructure projects in the nuclear decommissioning industry and adjacent areas. Working across a collaborative delivery ecosystem comprising designers, integrators, civil and process engineering experts, you will drive innovation, culture change, and ESG impact, shaping some of the UK’s most important projects.

As an Environment and Sustainability Lead, you will have:

• High level of professional knowledge and skills in sustainable engineering design, building physics, compliance modelling, and operational energy assessments.
• Demonstrable experience in operational energy and life cycle carbon costing is highly desirable.
• Strong working knowledge of sustainability including best practice benchmarks, reporting, tools, and techniques e.g. BREEAM, CEEQUAL, PAS2080.
• A commitment to sustainability with a strong sense of purpose and drive to make a positive difference within a sustainable business context.
• A track record of effectively collaborating, innovating, and driving sustainable outcomes through project design processes.

This exciting role will incorporate leadership and support relating to project development and general environmental management work, assisting projects to meet legal and company requirements and to drive improved environmental performance. Promoting best environmental practices and a commitment to sustainability with a strong sense of purpose and drive to make a positive difference within a sustainable business context.

What you will need as an Environment and Sustainability Lead:

• Degree or equivalent knowledge & experience in Sustainability, Environmental Management, Engineering, or related field.
• Proven experience leading sustainability on major construction or infrastructure projects.
• Strong understanding of UK sustainability legislation, standards (e.g. PAS2080, ISO 14001), and carbon/net zero frameworks.
• Skilled in managing stakeholder engagement and translating complex data into clear, compelling narratives.
• Collaborative and pragmatic approach, seeing the bigger picture, whilst mindful of the stringent regulatory environment we and clients routinely operate in.
• Membership of IEMA, CIOB, ICE or similar recognised body; working towards or holding Chartership is preferred.
• Experience with or good working knowledge of BREEAM, LEED, WELL or similar certifications.
• Good knowledge of PAS2080 and experience in its implementation.
• Familiarity with Science-Based Targets, carbon accounting platforms, or social value measurement frameworks.

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive.

As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. If you require further support or reasonable adjustments with regards to the recruitment process, please contact the team.