Commissioning Operability Manager

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.

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: Nuclear Power Programmes has been formed with the vision to support positive change and help shape the future of Nuclear Power. Operational throughout the UK and across continental Europe, we are seeking to expand our team on a variety of nuclear projects, which range in technologies and that find themselves at different stages of their development. To do this, we are seeking to continuously employ talented individuals to join our diverse team that are excited about nuclear projects and are committed to Net Zero, and Energy Security.

In both client facing and internal roles we are delivering major programme and project management capabilities throughout the project lifecycle. We are driving to deliver safe, high quality and to time solutions by thinking innovatively and working collaboratively.

• Champion a strong safety culture, promoting nuclear, radiological, environmental and conventional safety standards.
• Support the Start Up Manager in leading multidisciplinary start-up and operational readiness teams.
• Develop readiness strategies, criteria and assurance processes to achieve operational milestones.
• Coordinate readiness reviews and ensure plant, personnel and procedures are prepared for operation.
• Lead the transition from project delivery and commissioning into operational status.
• Define operational structures, staffing requirements and competency frameworks.
• Oversee development and validation of operating procedures, maintenance instructions and operational documentation.
• Ensure compliance with nuclear licence conditions, safety case requirements and regulatory expectations.
• Manage start-up resources, priorities and stakeholder relationships to support successful project delivery.
• Work with commissioning teams to ensure operational requirements are incorporated into testing and validation activities.

• Significant experience in nuclear operations, operational readiness, commissioning, engineering or plant start-up environments.
• Proven leadership of multidisciplinary teams within highly regulated industries.
• Strong understanding of nuclear safety, operational governance, safety cases and regulatory compliance.
• Experience delivering operational readiness and transition-to-operation programmes.
• Excellent leadership, stakeholder management, planning and communication skills.

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.

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.