Senior Project Manager

United Infrastructure Ltd; St Albans; On-site; GBP 70,000 - 100,000; Full time

Job summary

United Infrastructure Ltd in the United Kingdom seeks an experienced Senior Project Manager with a strong civil engineering background to lead complex water and wastewater projects. You will oversee end-to-end delivery, safety, on-time performance, and budget adherence in a multidisciplinary environment.

You will manage multiple projects worth up to £10 million, mentor project delivery teams, coordinate with clients and supply chains, and ensure high-quality outcomes aligned with CDM and HSQE

Qualifications

• Degree, HND, or HNC in Civil Engineering (or equivalent experience).
• Minimum of 5 years’ experience in a similar Project Manager role within the water industry.
• APM PMQ (or equivalent project management qualification).
• SMSTS (CITB) and CSCS (Manager Level) are required.
• Strong understanding of construction contracts and commercial management.

Responsibilities

• Plan, coordinate, and manage the delivery of multiple projects (up to £10 million).
• Undertake Principal Contractor responsibilities in CDM 2015 regulations.
• Lead HSQE procedures across all projects and promote safety culture.
• Manage project programmes, budgets, cost control, and margins.
• Provide line management to Site Managers, Engineers, and Site Foremen.
• Coordinate supply chain partners and maintain client-facing updates.
• Chair project meetings and ensure documentation of actions and decisions.

Skills

Project leadership

Interpersonal skills

Problem solving

HSQE awareness

Education

Degree/HND/HNC in Civil Engineering

APM PMQ (or equivalent)

SMSTS (CITB)

CSCS (Manager Level)

CDM Awareness

NEBOSH or IOSH Managing Safely

Temporary Works Coordinator certification

SEATS or Environmental Management training

Tools

MS Project

Job description

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.

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.

Due to sustained growth and increased workload—particularly within our AMP8 framework agreements—we are looking to recruit an experienced Senior Project Manager with a strong civil engineering background. This is an excellent opportunity to join our integrated project delivery team and lead complex, multi-disciplinary water and wastewater projects. You will be accountable for the successful end‑to‑end delivery of projects—ensuring they are completed safely, on time, within budget, and to the highest quality standards.

Responsibilities

• Champion and demonstrate our core values: Respect, Integrity, Responsibility, and Excellence.
• Plan, coordinate, and manage the delivery of multiple ongoing projects (up to £10 million in value).
• Undertake Principal Contractor responsibilities in accordance with CDM 2015 regulations.
• Lead the implementation of Health, Safety, Quality, and Environmental (HSQE) procedures across all projects.
• Conduct regular health and safety site inspections and promote a proactive safety culture.
• Manage overall project programmes, ensuring timely and efficient delivery.
• Oversee all commercial aspects, including budget management, cost control, and achieving target margins.
• Provide line management to Site Managers, Engineers, and Site Foremen.
• Coordinate and manage supply chain partners, resolving issues and driving performance.
• Act as the primary point of contact for clients and stakeholders; build strong relationships and provide regular updates on project progress.
• Chair and lead project meetings, ensuring accurate documentation of discussions, actions, and decisions.
• Manage change control and client expectations through effective communication and risk management.
• Collaborate with designers to develop practical, cost-effective, and buildable solutions.
• Mentor and support the professional development of project delivery teams.
• Ensure all necessary method statements and risk assessments are in place and maintained.
• Plan and secure resources and materials to meet delivery schedules.

Required Experience

We’re looking for a confident, proactive, and highly organised individual who brings a passion for delivering quality civil engineering projects.

You’ll be an experienced project leader with a strong track record in the water industry, particularly across complex infrastructure and non-infrastructure works.

You’ll have a problem‑solving mindset, excellent interpersonal skills, and the drive to exceed client expectations in everything you do.

Essential Skills And Qualifications

• Degree, HND, or HNC in Civil Engineering (or equivalent experience)
• Minimum of 5 years’ experience in a similar Project Manager role within the water industry
• APM PMQ (or equivalent project management qualification)
• SMSTS (CITB)
• CSCS (Manager Level)
• CDM Awareness
• Strong understanding of construction contracts and commercial management

Desirable Skills And Qualifications

• NEBOSH or IOSH Managing Safely
• Temporary Works Coordinator certification
• Proficient in MS Project or similar planning tools
• SEATS or Environmental Management training

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.