Assistant Site Manager – Design & Build Construction Location: Watford Salary: £50-£60k Permanent About the Company Our client is a leading developer and main contractor recognised for delivering high-quality homes and vibrant new neighbourhoods across major cities and the South of England. Their mission is to create inspiring, sustainable places that strengthen communities and make a lasting positive impact on people’s lives. Specialising in large-scale brownfield regeneration, the business focuses on transforming complex and underused land into thriving destinations where homes, amenities, and natural landscapes come together. These projects go beyond the scope of conventional homebuilding, creating long-term value for residents and the wider community through thoughtful design and responsible development. The Role As an Assistant Site Manager, you will play a key role in supporting the successful delivery of complex design and build projects. Working closely with the Site Manager and wider project team, you will help ensure the highest standards of quality, safety, and environmental performance are achieved on site. You will be involved in all stages of the build process from groundwork through to handover, coordinating subcontractors, monitoring progress, and maintaining effective communication with internal teams, consultants, and external partners. Responsibilities Support the Site Manager in overseeing daily site operations Ensure works are delivered safely, on time, and to specification Coordinate subcontractors and manage materials and logistics Conduct quality checks and maintain accurate site records Assist in resolving technical or operational issues on site Promote best practices in health, safety, and sustainability About You Previous experience as an Assistant Site Manager or Site Supervisor within the construction or design and build sector Strong organisational and communication skills Keen eye for detail with a commitment to delivering high-quality work Understanding of construction sequencing and site safety standards A proactive and collaborative approach to problem-solving Relevant qualifications (e.g. HNC/HND, degree, or trade background) and valid CSCS/SMSTS certificates Why Join This is an opportunity to build your career with a forward-thinking developer known for taking on challenging regeneration projects and creating exceptional, sustainable places to live. You’ll be part of a collaborative team that values innovation, invests in professional growth, and takes pride in delivering lasting change to communities across the UK