This website emits an average of 1.6 g of CO₂ per page, find out more

Our Vacancy

Cyber Security Engineer

  • Nuclear
  • Permanent / Digital
  • Warrington
  • 29/04/24
  • On site

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years’ experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all.

Job Description

This role involves being a Design Engineer on one or more Workstreams in the  Plant Cyber Integration & Obsolescence Project portfolio. Although the individual projects within the portfolio are being delivered to the SL PES standards, it should be noted that the systems themselves are formed from COTS IT equipment, and so a good understanding of this technology will also be required for the role(s).

The individual will be responsible for supporting the Lead Engineer(s) in all aspects of delivery across numerous projects from concept to handover.  They will functionally report to a Lead Engineer for the projects (this could be different people from project to project).

The role will require the individual to deliver the project deliverables in line with SL tailored processes.

This role will require stakeholder engagement with security case managers, system engineers, OTG, commissioning staff etc throughout the lifecycle but especially during the stakeholder requirements definition process and requirements analysis process. 

As a key role within the Integrated Project Team (IPT) the individual will work closely with other disciplines, including Project Management, Quality, Cost Controls, Team Members in other Workstreams and Projects, Systems Engineers, Capability (especially The Security in Design CoE) and OTG.

The role also covers engagement with the supply chain, delivery of the systems including checking and reviewing deliverables from internal and external sources, verification and validation, quality management.

The individual will also contribute to reporting requirements including ensuring any technical, safety and engineering risks are identified and escalated to the Lead Engineer(s).

Examples of Typical projects are:

  • Provision of a Patching System to provide software patches to the Cyber Security suite of systems:
  • Provision of a Network Time Protocol (NTP) system to deliver accurate time to the Cyber Security suite of systems and facilities;
  • Delivery of a Security Information & Event Management (SIEM) system for monitoring Cyber Security information.
  • Network Hardening Project
  • Protective Monitoring Project

My profile


  • Must have experience in working with requirements capture and delivery. 
  • Familiar with industrial cyber security practices i.e., BS 62443.
  • Familiar with the V-Model processes and deliverables for systems delivery.
  • Able to undertake site visits to perform walk-downs confirming routes & locations etc.
  • Experience of PES deliverables in all phases of the PES project delivery lifecycle.
  • Experience of working with the supply chain.
  • At least 3 years working in roles where knowledge of systems / PES design lifecycle delivery was a key attribute.
  • At least 1 years experience of working within a highly regulated and quality assured system (preferably nuclear).

Have the ability to work as part of an integrated delivery team, and individually, working within sometimes restrictive time constraints

  • Demonstrate excellent written and verbal communication skills
  • Self directing, flexible and work on initiative
  • Have strong interpersonal skills and be able to interact with people at all levels.
  • HNC/HND Qualified in appropriate discipline

Professional registration (minimum Eng Tech) with a relevant institute (e.g. IET,)

Security clearance:

Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

Will require to be on site majority of time at Hinton House or Sellafield Site

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Other vacancies might interest you