About Us At Twenty One Engineering, we provide world-leading energy and engineering support to clients across the UK, helping them significantly reduce energy intensity. With over a decade of experience supporting one of the UK’s largest REITs, we now offer our expertise across a range of commercial and industrial sectors. The Opportunity We are seeking a skilled Mechanical & Electrical (M&E) Site Supervisor to oversee daily operations on construction projects. The successful candidate will ensure that all work is delivered in line with drawings, specifications, quality standards, and safety regulations, while effectively managing labour, materials, and equipment to keep the project on schedule and within budget. Key Responsibilities Project Oversight: Supervise all aspects of M&E works from start to completion Monitor progress to ensure alignment with project plans, drawings, and relevant standards Inspect ongoing works to ensure quality and compliance with regulations Safety Management: Enforce all site health and safety protocols and regulations Educate workers and subcontractors on safe working practices and emergency procedures Conduct regular site inspections and toolbox talks to identify and mitigate hazards Team & Logistics Coordination: Organise and manage work schedules for site teams and subcontractors Coordinate delivery and effective use of materials, tools, and equipment Lead and support teams through mentoring, on-the-job training, and performance feedback Communication & Reporting: Serve as a key point of contact between project managers, engineers, clients, and suppliers Maintain detailed site records including daily logs, safety inspections, and progress reports Clearly communicate tasks and expectations to workers and resolve site-based issues Problem Solving: Proactively identify and address conflicts or issues on site Recommend and implement improvements to enhance efficiency and safety What We’re Looking For Proven experience in a construction supervision or site management role Strong leadership, organisational, and communication skills In-depth knowledge of construction methods, M&E systems, and safety regulations Ability to read and interpret technical drawings and schematics Comfortable working in varied construction environments and shift patterns Minimum Qualifications: Health & Safety training (IOSH or higher) Site Supervision Safety Training Scheme (SSSTS) or equivalent Recognised electrical or mechanical qualifications (e.g. City & Guilds Level 3 or equivalent ) Diversity & Inclusion Statement: At Twenty One Engineering, we’re committed to building a diverse and inclusive workplace. We welcome applications from all individuals regardless of age, disability, gender identity, race, religion or belief, sexual orientation, or background. If you require any reasonable adjustments during the application or interview process, please let us know. We are committed to ensuring a fair and accessible recruitment process.