Head of Regulatory Affairs

Sizewell C; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Annual leave 28 days

Bonus 15%

Car allowance

Pension contributions

Life assurance

Job summary

Sizewell C is seeking a Head of Regulatory Affairs to lead regulatory, licensing and assurance work as we mature our large UK energy project. The role reports to the Safety, Security & Assurance Director and sits in a high‑impact leadership team in a hybrid UK office setup.

The post requires extensive regulatory experience, strong stakeholder management and the ability to shape strategy across nuclear compliance and governance across multiple sites and regulators.

Qualifications

• Strong knowledge of Nuclear Site Licence requirements and compliance frameworks.
• Experience leading regulatory, licensing and assurance functions.
• Ability to influence executive teams and regulators with clear communication.

Responsibilities

• Lead engagement with regulators and oversee regulatory affairs and licensing activities.
• Ensure compliance with Nuclear Site Licence Conditions, permits and commitments.
• Oversee Integrated Management System governance and assurance programmes.

Skills

Nuclear compliance

Stakeholder mgmt

Regulatory engagement

Leadership

Regulatory strategy

Communication

Education

Degree in engineering/science/law

Tools

Regulatory tracking tools

Job description

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:

Head of Regulatory Affairs

Location: Manchester or London office, hybrid working with a minimum of 2 days per week on-site. Travel to other office and site locations required.

Contract: Permanent, full-time

Benefits include:

• Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays
• Bonus:15% annual bonus
• Car allowance: Provided
• 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: 30th September 2026

About the Role:

Reporting directly to the Safety, Security & Assurance Director (executive board member) the Head of Regulatory Affairs is responsible for leading Sizewell C's regulatory affairs, licensing, compliance, integrated assurance and integrated management systems.

This is a senior leadership role with accountability for establishing and maintaining effective relationships with key regulators, ensuring compliance with Nuclear Site Licence requirements, permits and regulatory commitments, and providing assurance to the Executive Team that the organisation is operating safely, effectively and compliantly overall.

The role will lead specialist teams across Regulatory Affairs, Licensing & Nuclear Compliance and Integrated Management System Governance & Assurance, helping shape how Sizewell C engages with regulators, manages risk and delivers organisational excellence as it progresses through construction towards future operational readiness.

Key Responsibilities:

• Lead and deliver Sizewell C's strategy for engagement with non-economic regulators.
• Maintain effective and constructive relationships with regulators including ONR and the Environment Agency.
• Lead regulatory affairs, licensing, compliance and assurance activities across the organisation.
• Ensure compliance with Nuclear Site Licence Conditions, permits, consents and regulatory commitments.
• Provide strategic oversight of the Integrated Management System (IMS).
• Lead the Integrated Audit and Assurance Programme, ensuring assurance activity is proportionate and focused on areas of highest risk.
• Deliver meaningful compliance, assurance and performance insight to Executive leadership.
• Promote a strong regulatory, compliance and continuous improvement culture across the organisation.
• Lead, develop and mentor multi-disciplinary regulatory, compliance and assurance teams.
• Drive implementation of regulatory review recommendations and industry best practice.
• Maintain certification against ISO 9001, ISO 14001, ISO 45001, ISO 27001 and PAS 2080.

Knowledge & Skills:

• Strong knowledge and experience of Nuclear Site Licence requirements and compliance frameworks.
• Experience managing ISO-certified Management Systems.
• Excellent stakeholder management and relationship-building skills.
• Ability to influence senior leaders, regulators and key decision-makers.
• Strong communication and engagement skills.
• Experience operating effectively within large, complex organisations.
• Good knowledge of Health & Safety regulations and requirements.
• Strong understanding of major infrastructure, operational or process plant environments.
• Ability to establish long‑term vision and develop strategies to achieve business objectives.
• Strong leadership capability with experience leading multi‑disciplinary teams.
• Results‑focused with a collaborative leadership style.
• Knowledge of national and international HSE standards.
• Knowledge of ISO 9001, ISO 14001, ISO 45001, ISO 27001 and PAS 2080 certification requirements.
• Business planning and financial management experience.
• Experience supporting organisational performance improvement initiatives.

Qualifications & Experience:

• Degree qualified or equivalent qualification supported by relevant industry experience.
• Leadership of a Quality, Compliance, Assurance, Regulatory Affairs or Performance Improvement function.
• Management of compliance with ISO 9001, ISO 14001, ISO 45001, ISO 27001 and PAS 2080 standards.
• Track record of engaging with and influencing Executive Teams and senior stakeholders.
• Background within a highly regulated industry.
• Proven ability to develop and implement regulatory, compliance or assurance strategies.
• Lead regulatory engagement and compliance activities.
• Success in leading and developing multi-disciplinary teams.
• Previous employment with a regulator.
• Background with a licensed nuclear operator.
• Knowledge of nuclear new build, major infrastructure or large-scale capital projects.
• Delivery of integrated audit and assurance programmes.
• Business planning and budget 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 fromdifferent culturesand experiences
• Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

• Positively challengepoor qualityand performance
• Identifysolutions at the lowest possible level
• Encourage tier 1s and others to bringnew ideasforward

Respect

• Value the rules and environment in which we operate
• Give and receive feedback with respect
• Embrace and engage with new people and ideas
• 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
• Drive simplification at all levels