Cyber Operations Manager
Employment Type: Full Time
Employment Period:
Salary: 82,000
Location:
London, GB, EC2R 7BP Leiston, GB, IP16 4EW Felixstowe, GB, IP10 0DD Bristol, GB, BS32 4TP Manchester, GB, M1 4HN
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Career Area: Data, Tech \& IT
Cyber Operations Manager
Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.
Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.
Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.
Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.
Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects. We are now recruiting the below position.
Cyber Operations Manager
Location: Based in London on a hybrid basis with travel to Suffolk as required.
Contract: Permanent, full\-time.
Salary: £82,000 per annum, dependant on experience, plus benefits.
Benefits include:
Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
Bonus: 5% annual bonus.
Pension Contributions: Defined Contribution Pension Scheme with up to 7\.5% employee contribution 15% employer contribution.
Closing Date: Monday 21st September 2026
Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects.
About the Role
We are seeking an experienced Cyber Operations Manager to oversee day\-to\-day cyber security operations within a highly regulated and safety\-critical environment.
You will be responsible for managing security monitoring, threat detection, vulnerability management, incident response coordination, and operational cyber resilience activities across the organisation. Working closely with Cyber Security, Infrastructure, Digital, Operational Technology, and third\-party providers, you will ensure that cyber security controls and services operate effectively to protect critical systems and data.
This role offers the opportunity to contribute to a nationally significant infrastructure programme where operational resilience and cyber defence are essential.
About You
Proven experience managing cyber security operations or security operations teams within large, complex organisations
Experience managing third\-party cyber security providers and operational service delivery
Knowledge of cyber security frameworks such as NIST, ISO27001, CIS, or IEC 62443
Strong leadership, stakeholder management, and communication skills
Ability to manage competing priorities within high\-pressure operational environments
Strong understanding of:
Security Operations Centre (SOC) processes and technologies
SIEM, endpoint detection, and security monitoring platforms
Threat detection, threat intelligence, and incident response
Vulnerability management and cyber hygiene practices
Network, infrastructure, cloud, and endpoint security
Cyber security operational governance and risk management
Why Join Us?
Be part of one of the most important low\-carbon energy projects in the UK.
Work in a mission\-driven environment that values innovation, integrity, and long\-term sustainability.
Competitive salary, comprehensive benefits, and opportunities for career development.
Flexible and hybrid working options.
Behavioural Competences
Humility
Recognise the value brought from different cultures and experiences
Be open to other’s points of view and ideas, be willing to debate and to compromise
Positivity
Positively challenge poor quality and performance
Identify solutions at the lowest possible level
Encourage tier 1s and others to bring new ideas forward
Respect
Value the rules and environment in which we operate
Give and receive feedback with respect
Embrace and engage with new people and ideas
Solidarity
One team, working closely together and helping each other
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes
Clarity
Communicate clearly and consistently
Promote collaboration and team alignment
Clearer and faster decision making
Drive simplification at all levels
If this sounds like the next step in your career, we’d love to hear from you. Apply today.
When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.
At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.
To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.
Job Segment: Supply Chain Manager, Power Plant Operator, Operations Manager, Supply Chain, Sustainability, Operations, Energy
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