Design Manager - Water & Infrastructure | Hertfordshire I'm working with a major civil engineering contractor delivering high-profile infrastructure works across water, energy, and environmental sectors. Due to a strong secured pipeline, they're now looking to appoint a Design Manager to join their team in Hertfordshire, overseeing key AMP8 water projects. This role will suit someone who thrives on driving technical excellence, managing multi-disciplinary design teams, and working closely with project delivery teams to provide robust, buildable solutions. What you'll be doing: Leading internal and external design teams through concept, detailed, and technical design stages. Managing engineering input across a range of clean and wastewater projects-treatment plants, trunk mains, pumping stations, and network upgrades. Ensuring designs meet technical, regulatory, and operational standards. Supporting project teams by coordinating design interfaces and resolving site-based engineering queries. Driving technical compliance, risk mitigation, and design quality throughout the lifecycle of each scheme.What we're looking for: Strong civil engineering background with 10+ years' experience in design and design management. Proven ability to lead design on complex water or infrastructure projects. Knowledge of potable and foul water networks, drainage, temporary works, and BIM processes. HNC/Degree-qualified and ideally ...