Nuclear Criticality Assessor Role

1 week ago


Risley, Warrington, United Kingdom Amentum Full time
Job Overview

Amentum is a premier global technical and engineering services partner, drawing from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics.

We are recruiting for a Nuclear Criticality Assessor Role to join us permanently on our major projects.

About the Job
  • As the Nuclear Criticality Assessor, you will be part of our major programme safety case team, providing nuclear criticality modelling and safety assessment.
  • Responsibilities will include undertaking criticality assessments and associated activities, interfacing with engineering, project management, and document management functions.
  • You will act in any criticality or equivalent role, supporting the Safety Case Manager and wider EUP safety case and engineering leads when requested.
  • You will assist the Head of Profession in capability development and establishment of resource strategies, recruitment plans, and competence.
  • You will advise Amentum and client leadership on regulatory compliance, standards, and guidance.
  • You will interface as necessary with suppliers and support the client in interactions with regulators and safety committees.
Key Skills and Qualifications
  • Bachelor of Science degree (or equivalent education).
  • UK and international standards and practices, American Nuclear Society, and ONR Technical Assessment Guides.
  • Nuclear criticality safety assessment and HAZAN production experience.
  • Relevant code (MONK, MCNP etc.) application experience in a wide range of operations and fault scenarios.
  • Nuclear hazard identification and analytical tools knowledge.
  • Security Clearance and Developed Vetting willingness.
  • Excellent communication and organisational skills.
Salary Range: £55,000 - £75,000 per annum

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