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 Opportunity
Reporting to the Head of Nuclear Compliance, Audit and Performance Improvement, the IMS Governance & Assurance Manager provides senior leadership and expert oversight of the Integrated Management System (IMS) within the Sizewell C Client organisation.
The role leads IMS governance, internal audit, and regulatory interface activities within the 3 Lines of Defence model, ensuring compliance with nuclear regulatory requirements and international standards. Acting with a high degree of autonomy, the postholder influences senior decision‑making and manages the relationship with the Office for Nuclear Regulation (ONR), holding accountability as Licence Condition 17 (LC17) Manager.
The role includes strategic planning, people leadership, budget input, and continuous improvement to support safe and compliant delivery of a major nuclear infrastructure project.
Key Responsibilities
Lead IMS governance, assurance and internal audit activities in line with the Integrated Assurance Strategy
Develop and deliver the SS&A Integrated Assurance Programme and Assurance Plan
Manage and maintain an effective, compliant Integrated Management System
Lead ONR engagement relating to IMS; act as LC17 Manager
Ensure audit findings are agreed, tracked and closed out effectively
Monitor assurance performance, trends and improvements
Ensure compliance with and certification against ISO 9001, 14001, 45001, 27001, PAS 2080 and ISO 19443
Lead and manage IMS resources, capability, performance and development
Contribute to budget planning, workload management and departmental risk
Here's What You'll Need:
Proven senior stakeholder engagement skills, including regulators
Strong people leadership experience within complex organisations
Demonstrated ability to influence behavioural and cultural change
Expert knowledge of:Integrated Management Systems, ISO 9001, ISO 19443, ISO 14001, ISO 45001, Nuclear governance frameworks (e.g. GSR Part 2/3)
Experience managing IMS within a large, highly regulated environment
Confident communicator and presenter at executive and regulatory level
Credible, evidence-based decision-maker
Qualifications & Experience
Degree-qualified in Engineering, Science or equivalent experience
Extensive experience within the UK nuclear regulatory environment
Significant experience of external regulatory and stakeholder engagement
Nuclear industry experience essential; PWR exposure preferred
Prior team leadership responsibility
Desirable
Experience on large-scale infrastructure or mega projects
Strong grounding in nuclear safety design and quality assurance
Previous experience working with regulators in a fast-moving or evolving project environment
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 matt.jones1@global.amentum.com.
