Site Manager (Waste Water)

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.

Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas:

Utility Infrastructure –

Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators.

Social Infrastructure -

Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.

Equal Opportunities Statement - At United Infrastructure, we are committed to making every interaction a positive and inclusive experience. If there is anything we can do to support you, remove barriers, or make the process more accessible, please let us know — we want this to be the best possible experience for you.

Site ManagerLocation: Yorkshire Region
Client Framework: Yorkshire Water AMP8
Employers: Peter Duffy Ltd & United Infrastructure
Reporting To: Project Manager

Job Purpose

Peter Duffy Ltd and United Infrastructure are seeking an experienced and motivated Site Manager to oversee the successful delivery of a diverse portfolio of wastewater infrastructure projects across the Yorkshire Water AMP8 framework.

The Site Manager will be responsible for the day-to-day management, coordination, and supervision of both self-delivery civil engineering operations and specialist subcontractors, ensuring works are delivered safely, efficiently, to programme, within budget, and to the required quality standards.

Working across a range of wastewater treatment and network projects, the successful candidate will play a key role in maintaining high standards of health, safety, environmental compliance, and operational excellence while supporting Yorkshire Water's investment objectives.

Site Management & Delivery

• Manage the safe and efficient day-to-day operation of construction sites across wastewater infrastructure projects.
• Coordinate and supervise direct labour, plant, materials, and subcontractors to ensure successful project delivery.
• Ensure works are delivered in accordance with project specifications, drawings, programmes, and contractual requirements.
• Plan and manage site activities to meet project milestones and key performance indicators.
• Monitor project progress and proactively identify and mitigate risks to programme delivery.
• Ensure all site activities comply with Yorkshire Water standards and framework requirements.

Health, Safety & Environment

• Champion a positive safety culture and ensure compliance with all health, safety, environmental, and quality procedures.
• Lead daily briefings, toolbox talks, and site safety inspections.
• Produce Risk Assessments and Method Statements (RAMS) and ensure they are communicated, and adhered to at all times.
• Conduct site audits and inspections to maintain compliance with company and client requirements.
• Ensure environmental controls are maintained and site activities minimise impact on surrounding communities and ecosystems.

Quality Assurance

• Ensure all works are completed to the required quality standards and client specifications.
• Maintain accurate site records, quality documentation, inspection reports, and as-built information.
• Coordinate site inspections, testing, commissioning activities, and handover documentation.
• Drive a "right first time" approach to project delivery.

Commercial & Operational Performance

• Assist Project Managers with resource planning and programme management.
• Monitor labour, plant, and material utilisation to maximise productivity and efficiency.
• Identify, record, and communicate variations and potential commercial impacts.
• Support cost control initiatives and efficient project delivery.

Stakeholder Management

• Act as the primary site-based representative for Peter Duffy Ltd and United Infrastructure.
• Develop and maintain positive working relationships with Yorkshire Water representatives, local authorities, landowners, and other stakeholders.
• Liaise effectively with design teams, suppliers, and subcontractors to resolve operational issues.
• Support customer and community engagement activities where required.

Skills & ExperienceEssential

• Proven experience in a Site Manager role within civil engineering or utility infrastructure projects.
• Strong experience delivering wastewater, water, or utility infrastructure works.
• Experience managing both direct labour and specialist subcontractors.
• Sound understanding of health, safety, and environmental legislation.
• Ability to interpret engineering drawings, specifications, and construction programmes.
• Strong leadership, communication, and organisational skills.
• Ability to manage multiple work fronts simultaneously.
• Full UK Driving Licence.

Desirable

• Experience working within Yorkshire Water or other UK Water Industry frameworks.
• Knowledge of AMP programmes and wastewater treatment processes.
• Temporary Works awareness.
• Experience in confined space environments.
• Understanding of NEC contracts and project delivery processes.

Qualifications & CertificationsEssential

• SMSTS (Site Management Safety Training Scheme)
• CSCS Manager Card
• First Aid at Work
• Temporary Works Coordinator/Supervisor

Desirable

• EUSR Water Scheme Registration
• Confined Space Training

Key Behaviours

• Safety-focused leader.
• Proactive and solutions-driven.
• Strong communicator and team player.
• Customer-focused with a commitment to quality.
• Professional and accountable.
• Able to perform under pressure and manage competing priorities.

What We Offer

• Opportunity to work on one of the UK's largest water infrastructure investment programmes.
• Long-term AMP8 programme stability and career development opportunities.
• Competitive salary and benefits package.
• Supportive and collaborative working environment.
• The opportunity to contribute to the improvement of wastewater infrastructure across Yorkshire.

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.