Company Description Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all. Job Description Position Overview Working within the Infrastructure Strategic Planning & Governance (ISPG) team, you’ll play a key role in supporting the Estate Optimisation Manager to deliver effective estate strategies, ensuring alignment with wider infrastructure plans and organisational objectives. This role combines administration, coordination, and stakeholder engagement, helping to manage estate planning processes, governance, and infrastructure requirements through robust change management tools. ️ Key Responsibilities Support alignment of Strategic Objectives with infrastructure plans and wider delivery programmes ️ Provide administrative support for the development and ongoing management of: Siting strategies Estate utilisation plans ⚖️ Ensure alignment with site governance frameworks and infrastructure priorities Act as secretary for governance meetings, supporting Authority control of the estate Assist in managing siting requirements and formal space allocations, including maintaining risk and issue registers Work closely with stakeholders to support issue resolution and effective planning outcomes ️ Support estate utilisation planning teams, helping translate requirements into delivery Contribute to the Infrastructure Change process, ensuring siting and estate strategies are effectively implemented Support early engagement with internal and external stakeholders to maintain alignment with strategic goals Provide administrative support to the Estates Plan 2029 programme Ensure all estate and siting documentation is: Accurate Up to date Properly stored and communicated Work with a wide range of stakeholders across a complex, regulated environment Gain exposure to major infrastructure programmes and governance processes Qualifications Skills / experience required for this role: MS O365 proficient. Strong administration and governance skills. Effective stakeholder management and engagement at all levels. Strong presentation and communication skills. Organised with ability to work on own initiative and be proactive. Additional Information Due to the nature of this role the successful candidate will require Security clearance. To gain this they will be required to be a Sole UK national, Hybrid working from home/client site in Helensburgh Benefits include: Pension scheme (8% company contribution / 4% personal contribution) 25 days’ paid annual leave bank holidays option to buy or sell days Professional fees reimbursed Flexible working Employee referral schemeSole UK National, SC clearance required to start Umbrella contractor or staff Staff or umbrella contract role We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future