CarmichaelUK is supporting a major civil engineering contractor delivering a complex road viaduct project spanning both live rail and a river environment. We are seeking an experienced Structures Site Agent or Project Manager with a strong background in heavy civils, structural concrete/steelwork, and multi‑discipline interface management. The Role: You will lead the structures delivery package, ensuring safe, efficient and high‑quality execution of: Reinforced concrete piers, abutments, decks, bearings, formwork and falsework Steelwork installation and complex temporary works Works adjacent to and over live rail, including rail‑specific safety and possession planning River works including foundations, cofferdams, piling, access, and environmental controls Interface management between structures, rail, earthworks, utilities and temporary works Key responsibilities include: Ownership of programme, sequencing, and delivery strategy for the structures works Producing and reviewing detailed method statements, lifting plans, work packs and risk assessments Leading subcontractor coordination (structures, temporary works, steelwork, piling, rail access, marine works) Ensuring high levels of quality assurance, ITP compliance, as‑built records and technical reporting Managing interface meetings with designers, clients, rail teams and environmental stakeholders Driving safety performance through briefings, inspections and leading by example Providing technical leadership to Site Engineers and Supervisors About You: Strong experience as a Site Agent / Sub Agent / Project Manager on major structures projects Proven delivery of a large structures eg. bridges, viaducts, RC structures, steel structures, and temporary works Experience managing works over water, cofferdams, piling, and complex foundations Strong organisational and communication skills, able to work under pressure in a complex, multi‑discipline environment Excellent attention to detail with a focus on quality, buildability and safe delivery CSCS, SMSTS; TWC/TWS preferred