Cyber Requirements & Compliance Manager

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:

Position: Cyber Requirements & Compliance Manager

• Eligibility: UK residency and the right to work in the UK
• Security Clearance: Active Security Clearance is required and must already be in place
• Location: London, Leiston or Ipswich, with hybrid working and a minimum of 2 days per week on-site. Travel to other Sizewell C locations may be required.
• Contract: Permanent, full-time
• Salary: £86,000 - £89,000 depending 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: 10% annual bonus
• Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution
• Life Assurance: Up to 8 x salary

Closing Date: 1st October 2026

About the Role:

The Cyber Requirements & Compliance Manager plays a critical role in ensuring Sizewell C's cyber security arrangements remain aligned with regulatory, legal and organisational requirements.

Reporting directly to the Chief Information Security Officer (CISO), you will lead the development of cyber security strategy, policies and compliance arrangements, translating complex regulatory obligations into practical business requirements. You will also provide leadership and line management to the Cyber Requirements & Compliance Specialist.

Acting as the primary cyber security interface with the Office for Nuclear Regulation (ONR), you will drive regulatory engagement, oversee compliance monitoring and provide assurance that cyber security controls and governance arrangements are effectively implemented across the organisation.

This is a highly visible role that requires close collaboration with senior leaders, regulators and specialist cyber teams, supporting the delivery of a secure, resilient and compliant organisation.

Key Responsibilities:

Regulatory Relationship & Engagement

• Act as the primary point of contact with the ONR on cyber security and information assurance matters.
• Identify, interpret and maintain cyber security requirements arising from legislation, regulation and industry expectations.
• Prepare, coordinate and submit regulatory documentation and responses as required.
• Support regulatory inspections, reviews and assessments, ensuring requirements are clearly understood and implemented.
• Manage regulatory findings, recommendations and improvement actions through to successful closure.

Cyber Security Strategy & Policy

• Lead the development and continual improvement of the Cyber Security Strategy, ensuring alignment with business objectives and regulatory expectations.
• Translate strategic objectives into measurable outcomes and governance reporting.
• Own and govern the organisation’s cyber security policy framework, ensuring policies, standards and procedures remain effective and up to date.
• Work closely with technical and business stakeholders to embed cyber requirements across the organisation.
• Promote a consistent and risk-based approach to cyber governance and compliance.

Compliance Monitoring & Assurance

• Oversee compliance against applicable legislation, regulatory requirements, contractual obligations and recognised cyber security frameworks.
• Establish and maintain effective compliance monitoring arrangements that support continual assurance.
• Work closely with assurance and audit functions to maintain robust evidence and demonstrate compliance.
• Maintain compliance registers, remediation plans and governance records.
• Support external audits, assessments and certification activities.

Governance & Reporting

• Provide expert advice to governance forums on regulatory requirements, compliance performance and emerging risks.
• Prepare reports and executive briefings for the CISO and senior leadership team.
• Highlight material risks, compliance gaps and remediation priorities, providing practical recommendations.
• Support the ongoing development of cyber governance, reporting and assurance arrangements.

Knowledge & Skills:

• Expertise in ISO 27001/27002 and NIST Cyber Security Framework (CSF) 2.0.
• Working knowledge of the NCSC Cyber Assessment Framework (CAF) and information security management systems.
• Ability to develop and maintain policy frameworks that translate complex regulatory expectations into practical organisational controls.
• Comprehensive understanding of compliance management frameworks, including gap analysis, remediation planning, control validation and audit readiness.
• Excellent written communication skills, with the ability to produce strategies, policies, regulatory submissions and executive-level reports.
• Experience managing compliance registers, requirements repositories and evidence within enterprise toolsets. Strong stakeholder engagement and influencing skills, with the ability to work effectively