Senior Risk Manager – Nuclear PMO & Project Controls Lead

Amentum; Greater London; Hybrid; GBP 70,000 - 115,000; Full time

Benefits offered by this job

Free medical cover

Digital GP service

Enhanced parental leave

Employee assistance programmes

Professional development reimbursement

Hybrid/flexible working

Job summary

Amentum is seeking an experienced PMO Senior Risk Manager to join the Sizewell C programme's Project Controls team. You will own and improve risk processes, deploy governance, reporting and assurance across delivery programmes, and deputise for the Head of Delivery Risk when needed.

You\'ll lead risk professionals, drive cross‑programme risk activities, and help deliver safe, high‑quality, on‑time solutions through collaborative, data‑driven approaches. Flexible working options may be discussed.

Qualifications

• Significant experience in risk management across large-scale programmes and projects.
• Strong leadership with experience leading teams and deputising for senior managers.
• Excellent stakeholder engagement skills, with the ability to influence and challenge at all levels of an organisation.
• Advanced facilitation skills and experience leading complex risk workshops.
• Strong technical expertise in: Cost Quantitative Risk Analysis (QRA), Schedule QRA, Integrated QRA & Enterprise Risk Management.
• Deep understanding of project controls, programme management and project delivery processes.
• Strong mitigation planning and risk response management capabilities.
• Experience working across client, contractor, consultancy or government environments.
• Excellent analytical, communication and reporting skills.
• Ability to manage multiple priorities in a fast-paced, complex project environment.

Responsibilities

• Support and deputise for the Head of Delivery Risk across project-wide risk management activities.
• Develop, implement and maintain integrated risk management processes, procedures, tools and assurance frameworks.
• Lead risk management support for multiple project functions and cross-programme initiatives.
• Coordinate key risk activities including Executive Risk Reviews (ERRs), Estimate at Completion (EAC) updates and Integrated QRAs.
• Deliver and assure complex Cost, Schedule and Integrated QRAs.
• Facilitate risk identification, assessment and mitigation workshops with stakeholders at all levels.
• Produce and review risk dashboards, performance reports and management insights to support decision-making.
• Drive continuous improvement and innovation within Project Controls, supporting a "Digital by Default" approach.
• Promote best practice risk management across the organisation and represent Sizewell C within the wider industry.

Skills

Risk management

Leadership

Stakeholder engagement

Facilitation

Cost QRA

Schedule QRA

Enterprise risk

Job description

Amentum is seeking an experienced PMO Senior Risk Manager to join the Sizewell C programme's Project Controls team. You will own and improve risk processes, deploy governance, reporting and assurance across delivery programmes, and deputise for the Head of Delivery Risk when needed.

You\'ll lead risk professionals, drive cross‑programme risk activities, and help deliver safe, high‑quality, on‑time solutions through collaborative, data‑driven approaches. Flexible working options may be discussed.