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 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. Personal Assistant & Executive Asssistant (MEH Alliance) 12 Month FTC - Fixed Term ContractLocation: Bristol (3 days per week). Salary: circa £32,000 (depending on experience) Bonus: 5% target Holiday: 28 days plus bank holidays Pension: Up to 7.5% employee / 15% employer Closing date: Wednesday 13th May 2026 The MEH Alliance which covers the mechanical, electrical and HVAC part, is an alliance of five partners. We are looking for a personal assistant who will support the Alliance Director and wider Leadership team. This role provides dedicated, high‑level executive support to the Alliance Director and the role will act as a trusted partner, enabling effective leadership, decision‑making and prioritisation in a complex and fast‑moving environment. What you’ll be doing As the Execuive Asssistent, you'll provide high‑quality executive support to the Alliance Director, enabling effective leadership, decision‑making and prioritisation in a complex and fast‑moving environment. You'll manage complex diaries, priorities and commitments, coordinate meetings and engagements with senior internal and external stakeholders. Providing hands‑on support where needed, including arranging travel, accommodation and hospitality, and processing expenses in line with policy. You will act as a key interface for the Alliance Director’s office, managing information flow, access and competing demands with discretion and sound judgement. Key tasks will also involve preparing, coordinating and quality‑checking of briefings, papers and presentations. Attending key leadership and governance meetings, capturing clear outcomes, actions and follow‑ups as required. A proactive appoach and high level of organisation will be required. As the Executive Assistant, you will support effective communication and coordination across the MEH Alliance and the wider project, acting as a central point of contact where appropriate. You will contribute to the onboarding and integration of senior leaders and key stakeholders as the organisation continues to grow, and will maintain well‑structured digital records, documentation and stakeholder information using agreed systems. What we’re looking for - Proven experience providing high‑level executive support to a senior director, executive or equivalent role. - Experience working in a complex, fast‑paced environment with multiple stakeholders and competing priorities. - Demonstrated ability to handle highly confidential and sensitive information with discretion and sound judgement. - Excellent organisational and prioritisation skills, including managing complex diaries and shifting demands. - Strong written and verbal communication skills, with confidence engaging at all levels of seniority. - A proactive approach, with the ability to anticipate needs, think ahead and operate with minimal supervision. - High levels of professionalism and judgement, particularly in managing information flow, access and priorities. - Digital confidence, with strong capability in Microsoft tools (Outlook, Teams, SharePoint, PowerPoint). Why this role matters This role will play a key part in shaping how the MEH Alliance operates. You’ll help create clarity, improve ways of working, and ensure the function is well connected, visible and trusted across the wider project. It’s an opportunity to step into a role with real variety, exposure to senior stakeholders, and the chance to make a tangible impact from day one. 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