Principal Safety Case

Company: User Centric Design Ltd
Apply for the Principal Safety Case
Location: North West
Job Description:

Position: Nuclear Principal Safety Case

About the Company: We are supporting a key client operating within the UK Nuclear sector, who is looking to engage experienced professionals for a long-term contract opportunity.

About the Role: This role requires individuals with a strong background in nuclear environments and active SC clearance.

Responsibilities:

  • Deliver high‑quality nuclear safety case documentation to agreed standards of time, cost, and quality
  • Produce clear, structured safety case reports that demonstrate confidence in assessment methodology
  • Lead or contribute to optioneering studies, including scoring and weighting approaches
  • Plan and support Hazard Identification (HAZID) activities, including:
  • Chairing or secretariat support for HAZOPs
  • Apply Hazard Analysis (HAZAN) techniques such as:
  • Design Basis Analysis (DBA)
  • Probabilistic Safety Assessment (PSA)
  • Safety measure derivation
  • Risk calculation and interpretation

Develop:

  • Hazard schedules and fault schedules
  • Engineering and procedure schedules
  • Perform shortfall sentencing, including ALARP optioneering studies
  • Develop Claims, Arguments and Evidence (CAE)
  • Engage directly with clients, providing progress updates, highlighting risks/opportunities, and proposing solutions

Qualifications:

  • Experience authoring safety case assessments and documentation to client standards and procedures
  • Providing technical safety input into engineering or design activities
  • Supporting document checking and verification
  • Awareness of core safety case assessment techniques, including:

HAZID / HAZAN

Dose assessment

Fault sequence frequency and risk derivation

Optioneering and shortfall sentencing

Required Skills:

  • Clear written communication skills, able to describe complex systems in an understandable way
  • Ability to review large volumes of information and extract relevant safety content
  • Strong personal work ethic, accountability, and pride in quality delivery
  • Comfortable working with multidisciplinary teams and client representatives
  • Willingness to travel to UK client sites where required
  • Active UK Security Check (SC) clearance without any restrictions.

Preferred Skills:

  • Direct experience delivering full safety cases or key constituent reports
  • Experience leading safety case tasks or small teams
  • Mentoring or supporting junior team members
  • Opportunity to work on high-profile nuclear programmes
  • Supporting project planning, cost estimating, and scheduling
  • Reporting programme progress to project managers or clients
  • Managing change and scope evolution
  • Confidence chairing or leading meetings with senior client stakeholders

Pay range: Competitive rates within a high-demand skill area.

Equal Opportunity Statement: Due to the nature of the work, candidates must:

  • Be eligible to work in the UK
  • Hold active SC clearance at the time of application

Are you interested? If you would like a confidential conversation about the role and what we’re building at U‑CD, we’d love to hear from you. Please click apply or get in touch with me directly: Frankie.Brown@u-cd.co.uk

Posted: June 2nd, 2026