Job Title: Mechanical Construction Supervisor Power Generation (1-Year Contract) Location: Enfield, London Contract Length: 12 months initial contract Rate: £430.00 per day inc hol pay PAYE rate Start: January 2026 Overview We are seeking an experienced Mechanical Construction Supervisor to oversee mechanical installation activities on a major new-build power generation project. The successful candidate will provide leadership, technical oversight, and quality assurance across all mechanical construction scopes, ensuring safe, timely, and compliant delivery of works. Key Responsibilities Supervise day-to-day mechanical construction activities across boilers, piping systems, pressure parts, machinery and balance-of-plant equipment. Ensure contractors and subcontractors deliver works to project specifications, engineering drawings, and relevant codes/standards. Monitor installation, alignment, welding, pressure testing, and commissioning activities to ensure adherence to QA/QC requirements. Enforce site safety policies and promote a strong safety culture within all mechanical work fronts. Coordinate with engineering, planning, HSE, and construction management teams to resolve technical issues and maintain progress. Review method statements, risk assessments, and lifting/installation procedures for mechanical packages. Track progress, identify risks or delays, and support mitigation planning. Ensure all documentation, reporting, and inspection records are completed accurately and on time. Support commissioning teams during mechanical completion, punch-list closeout, and handover phases. Required Experience & Qualifications Proven experience as a Mechanical Construction Supervisor on large-scale industrial or power generation projects. Strong background working with boilers, piping systems, pressure parts, mechanical equipment, rotating machinery and balance-of-plant systems. SSSTS/SMSTS Demonstrable understanding of mechanical installation workflows, welding standards, pressure systems regulations, and QA/QC processes. Experience supervising contractors in a multi-disciplinary environment. Strong knowledge of health, safety, and environmental regulations for major construction sites. Ability to read and interpret engineering drawings, P&IDs, isometrics, and specifications. Excellent communication, coordination, and leadership skills. Relevant mechanical engineering qualification (HNC/HND/Degree) preferred.