CSA Supervisor, Frankfurt, Germany Mercury is the European leader in construction solutions. We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities, and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again. We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection. At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential. Key Responsibilities Supervise and coordinate all Civil, Structural and Architectural (CSA) works on a large-scale data center project, ensuring safety, quality, schedule, and cost objectives are met. Serve as the primary site interface for CSA packages, controlling workfronts, access, housekeeping, and readiness of areas for downstream trades and commissioning. Lead day-to-day HSE management in conjunction with the project Safety Advisor, including setup, maintenance, and close-out of the Safety File. Review and enforce RAMS, permits (e.g., hot works, working at height, lifting, permit-to-dig), and ensure compliance with PTW systems. Drive proactive hazard identification, toolbox talks, and weekly safety walks with photographic evidence and action tracking. Ensure housekeeping standards, logistics routes, segregation of pedestrians/plant, and control of high-risk activities at all CSA workfronts. Set up, manage, and close out the CSA QA File in conjunction with the CSA Package Manager. Implement Inspection & Test Plans (ITPs), hold/witness points, and continuous inspections of subcontractor works; record results via checklists. Manage snagging/punch lists in the project system; drive weekly close-out and trend analysis. Maintain intimate knowledge of the Project Schedule/Program and align CSA subcontractors to meet or improve milestones. Run weekly look-ahead planning and coordinate interfaces with other trades and package leads. Monitor daily resource levels and production rates; track progress against WBS and report variances. Assist with management of all CSA package costs: subcontractor performance, variations/claims, materials deliveries and goods receipting, plant and equipment. Report site events with commercial impact (deviations, delays, access constraints) weekly to ensure timely capture and entitlement. Lead coordination between CSA subcontractors and interfacing trades (MEP, Fire Protection, Security), ensuring design information and access are available. Attend site coordination, engineering, planning, and handover meetings as the CSA representative. Manage RFIs, design clarifications, and change control in collaboration with engineering and planning. Act as Area Owner for assigned zones: control access, sequencing, housekeeping, and readiness checks. Conduct Pre-Start and Pre-Commissioning Readiness Reviews to ensure CSA completion supports MEP installation and system commissioning. Maintain a daily site diary capturing subcontractor resources, active workfronts, and progress with photographic evidence. Issue internal weekly progress reports (percent complete by WBS, risks, labour levels, orders placed, materials expected). Schedule material deliveries aligned to the project program; track critical and long-lead items and verify QA documents (CE markings, EPDs, certificates). Coordinate laydown areas, just-in-time deliveries, and offloading plans to minimize congestion and re-handling. Support system-based turnover by ensuring CSA elements are complete, clean, labelled, and compliant for testing/commissioning. Prepare and contribute to O&M documentation, as-built records, and handover packs with the CSA Package Manager. Complete punch lists, Safety File, QA File, and training/defects handover; manage post-completion actions until final acceptance. Any other duties associated with the role. Essential Criteria For The Role 4 - 10 years previous experience in civil works or fit out background. Proven record of supervising and involvement of large installation projects. Knowledge of Health & Safety. Experienced in design and build. Good technical knowledge of both CSA systems. Good IT skills. Desirable Criteria Excellent communication; ability to thrive under strict deadlines and drive large-scale projects. Experience in design‑and‑build environments and with data center projects. Knowledge of German language. Safety: IOSH/NEBOSH (or local equivalent), Working at Height, Lifting Operations, Temporary Works Supervisor. Sustainability & ESG: Support embodied carbon tracking (EN 15978 methodologies), responsible sourcing (e.g., FSC timber), waste segregation, and contribution to LEED/BREEAM targets. Mercury is an equal opportunities employer. #J-18808-Ljbffr