Probabilistic Safety Assessment Engineer (Nuclear safety)

Job Description

Job Title: Probabilistic Safety Assessment Engineer

Working Pattern: Full Time

Working location: Raynesway, Derby / Hybrid

We have an exciting opportunity for a Probabilistic Safety Assessment Engineer to join our team at Rolls-Royce, Derby. As part of this opportunity, you will be working on probabilistic safety assessment of the Nuclear Steam Raising Plant (NSRP) used across the UK\’s Submarine Programme, comprising platforms in-service, platforms in construction and the next generation in design. Individual product programmes are at different stages of design and safety case maturity, offering a range of opportunities and challenges but all part of a national endeavour vital to the security of the nation.

This role covers the full probabilistic safety assessment process: hazard identification, screening and assessment, component and human reliability assessment, determining initiating event frequencies, modelling of plant through fault trees, and interpreting and reporting on model results to inform design and substantiation. You will work across all systems and functions involved in the design and substantiation of NSRP.

Why Rolls-Royce?

Rolls-Royce is one of the most enduring and iconic brands in the world and has been at the forefront of innovation for over a century. We design, build and service systems that provide critical power to customers where safety and reliability are paramount. We are proud to be a force for progress, powering, protecting and connecting people everywhere. We want to ensure that the excellence and ingenuity that has shaped our history continues into our future and we need people like you to come and join us on this journey.

We’ll provide an environment of caring and belonging where you can be yourself. An inclusive, innovative culture that invests in you, gives you access to an incredible breadth and depth of opportunities where you can grow your career and make a difference.

What we offer

We offer excellent development opportunities, a competitive salary, and exceptional benefits. These include bonus, employee support assistance and employee discounts. Hybrid working is available; on average, you are expected to attend the workplace for collaboration and other specific reasons, three days per week. Our work is locally managed and flexed; it is a discretionary arrangement.

What you will be doing

• Work on world-leading technical challenges needing your best to safely deliver to time, cost and quality.
• Work in a friendly and dynamic team on one or more exciting programmes that are helping to drive business transformation.
• Be supported to learn new things and progress your career with access to a range of courses, buddies and mentors.
• Be supported to be at your best with a priority on physical and psychological safety and wellbeing.

Who we’re looking for

To be successful in this role you will need to:

• Have a technical background at degree level (mathematics, physics or any engineering discipline). Training in NSRP will be provided by Rolls-Royce.
• Be an excellent communicator who is keen to learn, with demonstrable experience working with a wide range of customers and stakeholders throughout a project or product lifecycle. Proven technical report‑writing skills are required.
• Ideally, have a background in or be interested in probabilistic safety assessment, familiar with equipment and human reliabilities, understanding hazards and hazard screening, building event trees and fault trees, running models and reporting on results.

We are an equal‑opportunity employer. We’re committed to developing a diverse workforce and an inclusive working environment. We believe that people from different backgrounds and cultures give us different perspectives which are crucial to innovation and problem solving. By building a culture of caring and belonging, we give everyone who works here the opportunity to realise their full potential.

To work for the Rolls‑Royce Submarines business an individual must hold a Security Check clearance. Rolls‑Royce will support the application for Security Clearance if you do not currently have this in place. Due to the nature of work the business conducts and the protection of certain assets, we can only progress applications from individuals who are a UK national or, in MoD‑approved cases, a dual national.

Job Category: Engineering for Services

Posting Date: 09 Oct 2025; 00:10