United Infrastructure Ltd
Project Manager
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Peter Duffy Limited
Peter Duffy Limited is part of United Infrastructure, a dynamic and rapidly expanding business delivering critical infrastructure projects across the UK.
With a strong heritage and reputation built over decades, Peter Duffy Limited specialises in civil engineering, utility, and infrastructure services. Our teams deliver high-quality, safe, and innovative solutions for clients across water, wastewater, and broader utility networks.
As part of United Infrastructure, Peter Duffy Limited combines local expertise and trusted delivery with the scale, resources, and investment of a national group. Together, we are strengthening communities, supporting the UK’s critical infrastructure, and building a skilled workforce for the future.
Purpose of Job
The Project Manager is responsible for the successful delivery of water and wastewater infrastructure projects from concept through to completion. The role ensures projects are delivered safely, on time, within budget, and to the required quality standards.
As the Project Manager you will provide line management, leadership, and technical oversight to Project Engineers, ensuring high performance, professional development, and consistent delivery excellence across the portfolio.
Specific Responsibilities
Project Delivery
- Lead end-to-end oversight delivery of water and wastewater projects (treatment works, pumping stations, pipelines, reservoirs, network upgrades, etc.).
- Develop and manage project programmes, budgets, and resource plans.
- Oversee feasibility studies, detailed design, procurement, construction, commissioning, and handover.
- Ensure compliance with statutory, environmental, and regulatory requirements.
- Manage project risk, change control, and mitigation strategies.
- Ensure CDM (or relevant H&S regulations) compliance and promote a strong safety culture.
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Financial & Commercial Management
- Assist in the preparation and management of CAPEX/OPEX budgets.
- Monitor project costs, forecasts, and financial performance.
- Administer NEC/JCT (or relevant) contracts.
- Manage contractor performance and commercial negotiations.
- Approve payment applications and manage variations.
Stakeholder Management
- Act as primary interface with clients, regulators, contractors, and key stakeholders.
- Manage internal coordination between design, procurement, construction, and operations teams.
- Present project updates to senior management and clients.
- Maintain strong relationships with local authorities, environmental bodies, and utility providers.
Line Management & Leadership
- Direct line management of Project Engineers.
- Allocate resources effectively across the project portfolio.
- Conduct performance reviews, objective setting, and development planning.
- Mentor and support career progression of team members.
- Promote knowledge sharing and continuous improvement.
- Foster a collaborative, high-performing team culture.
Quality & Governance
- Ensure projects follow internal governance procedures and stage-gate processes.
- Drive continuous improvement in project delivery processes.
- Ensure documentation, reporting, and audit trails are maintained.
- Contribute to business strategy and future project pipeline planning.
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Criteria
Essential
- Degree or equivalent qualification in Civil Engineering, Mechanical Engineering, Environmental Engineering, or related discipline.
- Significant experience in water and/or wastewater infrastructure projects.
- Proven experience managing multi-disciplinary engineering projects.
- Experience administering NEC (or equivalent) contracts.
- Demonstrable line management experience.
- Strong knowledge of water sector regulations and standards.
- Excellent stakeholder and communication skills.
Performance Measures (KPIs)
- Delivery of projects within agreed time, cost, and quality targets.
- Safety performance (zero harm culture).
- Client satisfaction scores.
- Financial performance against budget.
- Team engagement and development outcomes.
- Compliance with regulatory and governance standards.
As a term of your employment you may be required to undertake such other duties as may reasonably be required of you commensurate with your general level of responsibility and ability within the organisation.
This Job Description is current as at the date shown herein. In consultation with you it is liable to variation by the Company to reflect actual, contemplated, or proposed changes in or to your job.
Join us at Peter Duffy Limited and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.
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