Commercial Manager - Water

You might have to go to the site offices as required.

Sector Exposure:
Water, Environment, Defence, Nuclear.

Must have the right to work in the UK.

Job Description:

Are you ready to lead with impact and shape the future of sustainable infrastructure? Egis UK is seeking a forward‑thinking Commercial Manager to join our expanding team, delivering high‑value programmes for water companies and the Environment Agency, with exciting opportunities to support projects in Defence and Nuclear. This is your chance to drive commercial excellence, influence strategic outcomes, and grow your career across some of the UK's most vital sectors.

Your Role & Impact:
Reporting to the Water Cost and Commercial Lead, you'll be at the heart of our commercial operations—guiding procurement, contract execution, and post‑contract delivery across multi‑workstream programmes. You'll collaborate with senior stakeholders, delivery teams, and supply chain partners to ensure financial transparency, compliance, and performance. Your leadership will help shape smarter, safer, and more resilient infrastructure.

• Support work‑winning teams by reviewing tender packs and identifying commercial risks.
• Translate insights into actionable cost control strategies and delivery plans.
• Collaborate with planners, PMs, and client stakeholders to ensure financial clarity.
• Oversee contract execution, supplier performance, and risk mitigation.
• Ensure compliance with NEC3/4, FIDIC, UK law, and regulatory frameworks.
• Guide procurement strategy and contract preparation across all phases.
• Foster strong supply chain relationships through performance‑based contracts.
• Support construction teams in meeting delivery milestones safely and efficiently.

• Contribute to feasibility studies, benchmarking, and value management.
• Lead cost planning, estimating, and final cost plan presentation.
• Manage post‑contract cost variances, valuations, and change control.
• Oversee final account negotiation and post‑project evaluation.

Strong financial modelling and commercial problem‑solving skills.

Excellent client‑facing and supply chain engagement abilities.

Experience managing teams and mentoring junior QSs.

Sector experience in water, environment, defence, or nuclear.

In‑depth knowledge of CDM regulations and risk management.

NEC3/4 contract expertise (Options A, C, E essential).

Familiarity with ECI/ESI in design & build programmes.

Valid CSCS card;
Water Hygiene Card desirable.

Willingness to work on‑site at least 3 days per week.

The role is subject to client interview and acceptance.

Egis is a leading global architectural, consulting, construction engineering, operations and mobility services firm. We create and operate intelligent infrastructure and buildings that both respond to the climate emergency and contribute to balanced, sustainable and resilient development. Our 20,500 employees operate across over 100 countries, deploying their expertise to develop and deliver cutting‑edge innovations and solutions for clients. Through the wide range of our activities, we are central to the collective organisation of society and the living environment of citizens all over the world.

Egis is a leader in the vibrant sector of infrastructure engineering, planning, and management, tasked with sustaining efficient commercial lifecycle stewardship amidst interactions with various third‑party entities. As Egis expands its service delivery across the UK, Ireland, and broader European markets, we are committed to becoming the engineering partner of choice while also expanding our talented team. At Egis, we prioritise our people, and to enhance our Water capabilities, we are looking to recruit a skilled Water Senior Quantity Surveyor to operate as part of the Energy and Sustainable Cities Business Line.

This period marks an exhilarating time to join Egis's new Project, Programme, PMO and Commercial Management Capability ("P3M CM") UK, Ireland and Europe team, which is undergoing a transformative phase. The P3M CM Function at Egis is deeply committed to boosting strategic operations and overall efficacy by:

• Devel…