Site Manager in London

FiveRivers are a widely recognised industry specialist in the consultation, design and delivery of ecological, environmental and civil engineering solutions. With over 25 years of working with nature, the business continues to experience sustained growth, driven by a strong customer focus, technical excellence and an ability to attract, develop and retain exceptional people.

We are looking for an experienced Site Manager to join our contracting team, delivering a diverse portfolio of civils and environmental projects across the UK. This is a hands-on leadership role, focused on ensuring projects are delivered safely, to the required quality, on programme and within commercial targets (SQTC). This is a full-time, on-site role involving regular travel and periods of staying away from home, unless the site is within a commutable distance, which cannot be guaranteed.

The Role

As Site Manager, you will take full responsibility for the on-site management and coordination of civils and environmental schemes, from pre-construction through to completion and close-out. You will lead site teams, manage subcontractors and suppliers and work closely with Project Managers and the wider business to ensure successful delivery.

With Safety and Quality as a given, the role places particular emphasis on time management, programme control and commercial awareness, understanding how site performance impacts project and business unit outcomes. You will be involved in the practical delivery of both built and nature-based solutions, working in environmentally sensitive locations and contributing to projects that promote biodiversity, ecosystem services and climate resilience.

Key Responsibilities

• Lead the safe, efficient and compliant delivery of civils and environmental projects in line with CDM 2015 and FiveRivers' safe systems of work.
• Manage site mobilisation, set-up, inductions and demobilisation in line with project and company requirements.
• Ensure adherence to RAMS, CPPs, ITPs and quality standards, stopping works where required.
• Coordinate labour, plant, materials and subcontractors to meet programme and budget.
• Produce daily and weekly site documentation, allocations and reporting.
• Manage change on site, identifying impacts to safety, quality, time and cost and supporting commercial control.
• Maintain excellent client and stakeholder relationships throughout the project lifecycle.
• Support pre-construction activities including ITT review, planning, procurement and resourcing.
• Deliver works to agreed programmes through effective short-term planning and collaboration with supervisors.
• Apply strong commercial awareness to plant, materials, labour and subcontractor management.
• Support Project Managers in identifying efficiencies and achieving project financial targets.

Health, Safety, Quality & Environment

• Embed a strong safety culture and ensure full compliance with HSE, CDM and company standards.
• Deliver daily briefings, toolbox talks and accurate HSQE reporting.
• Ensure high-quality outputs and compliance with environmental and sustainability objectives.
• Promote positive interventions, near-miss reporting and continuous improvement.
• Lead, motivate and develop site teams, creating a positive and collaborative working environment.
• Line manage Site Operatives, supporting performance, development and succession planning.
• Lead behaviours in line with company values and contribute to building high-performing teams.

Business Support

• Support bids and tenders through technical input and programme understanding.
• Assist with business development by identifying opportunities and strengthening client relationships.
• Work collaboratively across business units to support delivery when required.

Measurables for the Role

• Projects delivered safely, on time, to quality standards and within budget.
• Compliance with HSQE requirements measured through inspections, audits and reporting.
• Effective programme delivery and resource utilisation.
• Positive feedback from clients, Project Managers and internal stakeholders.
• High-performing, engaged and well-managed site teams.

Personal and Professional Qualities

• Proven experience managing site teams within civils, construction or environmental projects.
• Strong understanding of safe systems of work and CDM 2015.
• Commercially aware with good programme and planning skills.
• Confident leader with excellent communication and organisational skills.
• Positive, proactive and solutions-focused approach.
• Strong attention to detail and commitment to quality.
• Interest in environmental and sustainable construction practices.

Qualifications

• SMSTS
• First Aid at Work
• Full UK Driving Licence
• HNC/HND in Construction, Civil Engineering or Project Management
• NEBOSH or IOSH
• Membership of a professional environmental body (e.g. CIEEM, CIWEM)

Salary & Benefits

• 25 days annual leave plus bank holidays.
• Paid accommodation and subsistence when working away.
• Life assurance.
• Time off for volunteering.
• Ongoing training and career development.
• Access to mental health support and professional financial advice.
• Paycare, Death in Service.

At FiveRivers, we operate an open and supportive management culture that encourages innovation, continuous improvement and professional growth. Our success is built on our people, and we are committed to helping our employees develop rewarding, long-term careers while maintaining a healthy work-life balance. We are proud to promote an inclusive and diverse working environment and welcome applications from all backgrounds.

Interested? If you’re an experienced Site Manager looking to play a key role in delivering meaningful environmental and infrastructure projects, we’d love to hear from you. Apply now via the link provided.