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Employment Type:  Full Time
Employment Period:  Permanent
Salary:  £55,000-£65,000

Gloucester, GB Bridgwater, GB London, GB

Career Area:  Nuclear Development

Operational Technology Cyber Security Lead

A career that will deliver change. Together, we’ll help Britain achieve net zero


Location: London. Hybrid working available

Employment Type: Permanent 

Salary: Competitive plus bonus and other benefits 


Closing date: Sunday 30th October 2022

The Opportunity


Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting projects in the UK, whilst being at the forefront of the UK’s climate change agenda and energy policy. The SZC Project is a ~£20bn nuclear new build project in Suffolk which is currently seeking financing from HMG and investors, with a view to start construction in 2023. When completed, it will provide dependable electricity to 6 million homes for 60 years supporting our objective to help Britain achieve Net Zero by 2050.


As an Operational Technology (OT) Cyber Security Lead, you’ll be responsible for the intelligent replication of security assessments and requirements establishing the secure design and deployment of OT inclusive of Computer Based Control and Instrumentation (CBC&I), Computer Based Systems Important to Safety (CBSIS), CBC&I Process Control Systems and CBC&I Smart devices and sensitive technology requirements from Hinkley Point C (HPC) to Sizewell C (SZC). You will be key to ensuring that adequate security arrangements are defined and applied to protect the availability, integrity and confidentiality of OT systems designed and delivered to SZC throughout its lifecycle.  


Our teams are set up to work flexibly, therefore you don’t have to live in London. If you’re able to travel to the London office to collaborate with your team and stakeholders when required, you can be based anywhere in the UK. We provide a full suite of IT equipment to ensure that our employees can work from home comfortably and effectively. 

The Role


We’re looking for someone who can provide OT cyber security expertise to support risk assessments impacting the OT systems utilising our HPC security risk methodology and provide recommendations on cyber controls to mitigate risks.

Working in collaboration with OT suppliers and partners, you’ll be supporting the identification of adequate OT security controls and ensure the fulfilment of SZC security requirements during the design, implementation, validation, installation and commissioning of OT systems.

The role will allow you define adequate security requirements to protect the availability, integrity and confidentiality of OT systems designed and developed by key supplier organisations supporting the HPC construction.

Working closely with the HPC Instrumentation & Control (I&C) Cyber Security Lead and embedded within the Technical Services Organisation Pressure Water Reactor Technology (PWRT) Team; you’ll provide OT cyber security expertise to support risk assessments impacting the OT systems utilising intelligently replicated HPC security risk methodology and provide recommendations on cyber controls to mitigate risks accounting for legislative and regulatory requirements.

You’ll be able to provide expert OT cyber security advice and support to other team colleagues within the PWRT and SZC to ensure OT systems comply with security requirements and are delivered on time and to budget.

The Skills


You’ll bring your proven knowledge of Nuclear Industry Security Regulations and Standards (NISR 2003, ONR (CNSS) Security Assessment Principles). 

It would be great if you have a good understanding of cross domain security requirements.

We’d love for you to have experience in OT systems design, development and/or operation, including OT system security design.

An understanding of Information or OT security standards (ISO27000, IEC 62443, NIST SP or similar) is essential. 

Experience in performing OT risk assessments, threat assessments, and recognising OT systems vulnerabilities is crucial. 

You’re likely to hold degree standard education in related subject [or equivalent experience] and may also have a relevant Professional Certifications or Equivalent ISC2 CISSP, GIAC GICSP, or similar.

Experience in the following is highly desirable;

•    Experience with OT systems design, commissioning or operation in a nuclear plant environment

•    Experience in performing security assurance of Operational Technology systems (ICS/SCADA/IoT)

•    Experience of working in a high security environment

•    Experience of writing and delivering security requirements through contracts

•    Experience within a large project environment

You must currently hold or be able to achieve NSV SC.

Power in Diversity


Sizewell C is a great place to work, where everyone is welcome.

To fulfil our commitment of doing the power of good for Britain, our ambition is to have a workforce which reflects and benefits the society we are part of and serve.  Every worker on SZC, wherever they are, should help to create and experience the right environment where everyone on the team understands, respects and embraces diversity with a culture where everyone is treated with equal respect and are all given equal access to opportunities.  By valuing the different points of view and experiences that having a diverse team brings, and by fostering an inclusive climate, we will create a great place to work and a more successful project. 

We create the right environment where people feel able to bring their whole selves to work. Whilst working together there is mutual trust and appreciation created through the building of meaningful relationships with one another.

Everyone is able to get the most from their work and the workplace, and in return, give their best.

Competitive Salary and Benefits


We’re dedicated to offering flexible benefits that support our people across all aspects of their lives and we’re delighted to offer a range of benefits to support our employees’ physical, emotional and financial wellbeing. 


In addition to a competitive salary, we offer a market-leading company pension scheme, paid holidays and a range of flexible benefits, such as: a company incentive bonus plan, health cover, cycle to work scheme, discounts and employee pricing.


Please let us know if you’d like to discuss flexible working arrangements by highlighting this on your application.

Job Segment: Power Plant, Instrumentation, Nuclear, Energy, Engineering

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