At Saint-Gobain Construction Chemicals we're looking for a strategic, technically credible and highly relationship-focused National Key Accounts Manager. This is not a value-driven sales role, it's a long-term, influential position centrered on building trust and shaping specifications with some of the UK's and world's leading architectural and engineering practices.You'll be at the forefront of early-stage engagement with major specifiers. Your role is to build deep, high-value relationships that unlock project pull-through and create scalable, repeatable specification pathways for our Waterproofing and Concrete Repair solutions - and beyond.This is a critical role that blends technical credibility, commercial acumen and strategic key account leadership, helping our customers reduce design risk, improve sustainability outcomes and leverage our innovative, service-led solutions.This is a national UK role, a lot of your time will be spent in and around the London area with the need for overnight stays. Candidates should possess a full UK driving license.What we're looking for: A background in technical and/or specification sales - ideally working with architects, engineers or similar consultative environmentsAble to confidently engage senior stakeholders and present technical concepts with clarity and credibilityCommercially astute, organised and analytical - comfortable planning high-impact time in LondonA relationship builder who values long-term strategic influence over quick-win sellingExperience with major practices, tier-1 engineering consultancies or large developersFamiliarity with framework agreements, project workflows or design-led consultancy environments What you will be doing:Building strategic relationships at senior-level, with architects, consulting engineers, developers and major client bodiesFocus on building long-term trust, demonstrating expertise, and creating specification preference early in the design cycleWork with design teams as a technical partner, helping them make informed decisions on waterproofing, concrete repair and adjacent building integrity requirementsDrive service-led, value added engagements such as championing our service level offer ensuring specifiers receive fast, accurate and dependable supportIdentify and map key projects, influencers and commercial pathways Are Construction Chemicals and Saint-Gobain inclusive employers?Saint-Gobain is a worldwide leader in light and sustainable construction, following our purpose of 'Making the World a Better Home'. We play a part in improving daily life through high-performance solutions. From wherever you are, let your unique personality and our values guide you every day to invent a more sustainable world.We understand that a diverse workplace is not only a more enjoyable place to be but also facilitates better decision making and innovation. So, whoever you are, and whichever Saint-Gobain business you join, you can be sure of a warm welcome with us.And what about flexibility?At Saint-Gobain, we're always open to new ways of working. Everyone has different needs and commitments. We'll happily discuss any need you might have for this role. Whilst we can't promise to meet every request when we're recruiting, we do promise to listen