At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're 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. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow.  We offer an exciting range of opportunities to develop your career within a supportive and diverse 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’d 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’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Role

We are seeking a site‑based Environmental Advisor to join the Sizewell C Construction Delivery Team, supporting one of the UK’s most significant and complex infrastructure projects and contributing to the delivery of the next generation of nuclear power. The Environmental Advisor will be part of a dedicated environmental and sustainability team, working closely with the Construction Delivery Team and Tier 1 Contractors. The role focuses on ensuring environmental and sustainability requirements are effectively implemented, compliance is maintained with all regulatory consents and permits, and environmental performance is continually improved across the site.

Operating Environment

Operating within the constraints of the Development Consent Order (DCO) and associated environmental frameworks, permits, and consents, the post holder will work in a highly regulated environment subject to close scrutiny by regulators, stakeholders and the public.
The role requires close collaboration with SZC Client Team representatives, contractors and service providers to ensure all environmental and sustainability obligations are met throughout construction delivery.

Framework & Boundaries

Environmental performance and sustainability outcomes are fundamental to Sizewell C’s zero harm ambition. The project’s performance will be closely monitored by internal governance, regulators and external stakeholders, requiring the post holder to maintain a consistently high standard of environmental compliance, professionalism and integrity.

Principal Accountabilities

• Undertake regular site inspections of contractors’ work areas, identifying good practice, deficiencies and non‑compliances, and raising observations or environmental issues as required.
• Provide clear written and verbal advice on environmental legislation, permits, consent conditions and planning constraints applicable to site activities.
• Review contractors’ Environmental Management Plans (EMPs), Risk Assessments and Method Statements (RAMS) to ensure alignment with environmental legislation, Development Consent Order (DCO) requirements and SZC standards.
• Support self‑assessment activities and internal audits, ensuring site operations comply with legal requirements, SZC procedures and environmental best practice.
• Support and, where required, lead environmental incident investigations, including the production of reports and identification of corrective and preventative actions to avoid recurrence.
• Identify potential contractual and environmental risks and escalate issues to the Environmental & Sustainability Manager in a proportionate and timely manner.
• Promote positive environmental behaviours and support continuous improvement in environmental performance across construction teams.

Here's What You'll Need

• Experience in an Environmental Management role on a dynamic, site‑based construction or industrial project.
• Detailed knowledge of UK environmental legislation relevant to construction or industrial installations, including guidance, industry best practice and reference standards.
• Understanding of the client/contractor relationship and legal responsibilities under the Construction (Design and Management) Regulations 2015 (CDM).
• Ability to work independently, demonstrating strong communication, interpersonal and influencing skills.
• Degree qualified (or equivalent) in Environmental Management, Environmental Science or a related discipline.
• Experience working within an Environmental Management System (EMS) aligned to recognised standards, such as BS EN ISO 14001.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion in everything we do. We know that if we are inclusive, we’re more connected, and we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks.

We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit www.vercida.com to view and access our roles. 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 (for example, you require the application form in a different format), please contact [email protected]

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