Job Description Are you ready to lead with impact and shape the future of sustainable infrastructure? Egis UK is seeking a forward-thinking Commercial Manager to join our expanding team, delivering high-value programmes across the Nuclear spectrum. This is your chance to drive commercial excellence, influence strategic outcomes, and grow your career across some of the UK’s most vital sectors. Your Role & Impact Reporting to the Nuclear Commercial Lead, you’ll be at the heart of our commercial delivery capability — supporting clients through guiding procurement, contract execution, post-contract delivery and contract close-out across multi-workstream programmes. You’ll collaborate with senior stakeholders, delivery teams, and supply chain partners to deliver commercial excellence, compliance and performance. Your leadership and technical ability will help shape smarter, safer, and more resilient infrastructure. Key Responsibilities: Strategic Commercial Leadership Work directly with our key clients, providing excellent commercial expertise and capability across the delivery lifecycle. This may be through secondment arrangements and being embedded within the client organisation Collaborate with planners, PMs, and client stakeholders to ensure commercial clarity Oversee contract development, execution, management, supplier performance and risk mitigation Ensure compliance with NEC3/4, FIDIC, UK law, and applicable regulatory frameworks Guide procurement strategy and contract preparation across all phases Build and foster strong supply chain relationships through performance-based contracts Support construction teams in meeting delivery milestones safely and efficiently Develop and build a strong industry network across clients and partners Support work-winning teams by reviewing tender packs and identifying commercial risks Project & Cost Management Manage commercial portfolios working closely with colleagues and associated disciplines to deliver consistent and high-quality outcomes Contribute to feasibility studies, benchmarking, business case development and value management Lead cost planning, estimating, and final cost plan presentation Manage post-contract cost variances, valuations, and change control Oversee final account negotiation and post-project evaluation