Risk 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.

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 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

To lead and manage risk identification, assessment, and mitigation strategies across nuclear decommissioning programmes. The role ensures that commercial, operational, and regulatory risks are effectively managed to support safe, compliant, and cost-efficient delivery.

Other responsibilities:

• Develop and implement risk management frameworks aligned with NDA and regulatory requirements.

• Lead risk workshops and facilitate risk identification across multi-disciplinary teams.

• Maintain and update risk registers, ensuring accurate reporting and escalation of key risks..

• Support contract negotiation, change control, and dispute resolution.

• Provide strategic advice on risk mitigation and contingency planning.

• Support commercial and programme teams in quantifying and managing risk exposure.

• Liaise with regulators, auditors, and stakeholders to ensure transparency and compliance

• Integrate risk management into project lifecycle and investment decision-making

Qualifications  

• Proven experience in risk management within nuclear, infrastructure, or regulated sectors.

• Strong understanding of risk assessment methodologies and tools (e.g., Monte Carlo, bowtie analysis).

• Familiarity with nuclear safety culture and regulatory frameworks (ONR, NDA, EA).

• Relevant qualifications (e.g., IRM, PMI-RMP, or equivalent).

• Experience in nuclear decommissioning or legacy waste programmes.

• Knowledge of commercial risk and contract risk allocation (e.g., NEC3/4).

• Ability to influence senior stakeholders and drive risk-informed decision-making.

• Proficiency in risk management software (e.g., ARM, Primavera Risk Analysis).

Any offer of employment will be strictly subject to the relevant security requirements for the role being met. This means that you will need to have, or be able to obtain, Baseline Personnel Security Standard (BPSS) clearance and either Security Check (SC) or Developed Vetting (DV) clearance. The security clearance process may require non-British nationals or dual nationals (i.e. those with British and another nationality) to be subject to additional evaluation, depending on nationalities held and the nature of the work to be carried out
 

Our Culture

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. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.

When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.

We partner with VERCIDA, 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 the team.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.