Job Description Sizewell C. The power of good for Britain. Location: Sizewell C, Leiston, Suffolk (5 days a week onsite). Contract: Fixed-term contract, full-time. Salary: Competitive depending on experience plus benefits. Benefits: 5% CIP bonus 28 days holiday, plus bank holidays Contributory pension of up to 7.5% employee/ up to15% employer Ongoing professional development Other lifestyle benefits Closing date: Tuesday, 26 August 2025. About the Role We are seeking a proactive and detail-oriented Adjacent Sites Interface Assurance Officer to support the SZC Interface Manager in managing the interface with Sizewell B (SZB) and Sizewell A (SZA). This role is critical in reducing risks to nuclear safety, security, and SZB operations while ensuring compliance with the Operational Protection Agreement (OPA). You will work closely with project managers, supervisors, and contractors to ensure all activities on the SZC construction site meet the required standards and controls stipulated by SZB. This includes both desk-based assurance activities and on-site inspections. Key Responsibilities Support the management of interfaces with SZB (ENGL) and SZA (NRS) to align SZC’s design and construction with operational safety. Conduct assurance activities and audits to ensure compliance with the OPA and stipulated controls. Report findings and track corrective actions to closure. Educate and mentor SZC staff and contractors on compliance obligations. Facilitate effective communication between internal and external stakeholders. Support the Interface Manager with budget-related activities and execution. What We’re Looking For Strong teamwork and communication skills across all levels. Ability to manage multiple stakeholders and prioritise workload. Calm under pressure, with excellent problem-solving abilities. Flexible and adaptable in a fast-paced, dynamic environment. Commitment to health, safety, and environmental standards. Essential Skills & Experience Experience engaging with diverse stakeholder groups. Strong project and change management skills. Background in large, complex regulated projects. Understanding of compliance with permits, licences, and consents. Experience in construction, installation, and commissioning of engineering projects. Excellent organisational, assurance, and interpersonal skills. Discretion and confidentiality when handling sensitive information. Desirable Skills Strong presentation and influencing abilities. Knowledge of CDM Regulations. Understanding of nuclear quality assurance and control. Qualifications Essential: HNC or degree in a Science or Engineering discipline. Technical or engineering experience. Desirable: Experience working with regulators and delivering regulatory commitments. Background in highly regulated industries. Experience embedding management arrangements and regulatory compliance. Why Join Us? This is a unique opportunity to contribute to a nation-critical project that will shape the UK’s energy future. You’ll work in a collaborative, fast-paced environment where your leadership and expertise will make a tangible impact. Ready to take the next step in your career? Apply now and be part of something extraordinary.