Senior Design Manager - UK Wide

MWH Treatment Limited; United Kingdom; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

MWH Treatment Limited in the United Kingdom is seeking a Senior Design Manager to lead the design lifecycle across a portfolio of water and wastewater projects. You will drive multidisciplinary teams, ensure designs are robust, buildable and compliant with regulatory standards.

The role emphasizes collaboration with designers, suppliers and clients, managing plans, risks and change control, and mentoring future talent while delivering safe and sustainable outcomes.

Qualifications

• Extensive multidisciplinary design-management experience, ideally in a design-build environment.
• An engineering degree and Chartered Engineer status, or equivalent professional standing.
• Strong knowledge of construction health and safety, CDM, design assurance and large-scale project delivery.
• Experience in the water or wastewater sector would be highly beneficial.
• A collaborative, solution-focused approach and the ability to build trusted relationships with internal and external stakeholders.

Responsibilities

• Leading engineering and design delivery across a portfolio of projects, from scope definition through to handover.
• Making sure designs meet health and safety, quality, technical, environmental, sustainability and governance requirements.
• Working closely with designers, technical specialists, suppliers, construction teams and clients to deliver successful project outcomes.
• Managing design plans, deliverables, risks, decisions, change control and monthly reporting.
• Supporting a culture of open communication, constructive challenge, shared learning and continuous improvement.

Skills

Design management

Stakeholder management

Health and safety

CDM knowledge

Water/wastewater domain

Education

Engineering degree

Chartered Engineer status

Job description

We are looking to strengthen our Engineering team with a Senior Design Manager to join a suitable location within the UK with flexible working available.

Are you an experienced Senior Design Manager ready to drive the successful delivery of complex water and wastewater infrastructure projects? At MWH Treatment, our design leaders play a critical role in shaping innovative, sustainable solutions that help deliver safer, smarter, and more resilient water services for our customers and communities.

We are looking for a Senior Design Manager to provide leadership across the design lifecycle, ensuring high-quality, technically robust, and buildable solutions are developed and delivered. Working across a portfolio of major projects, you will lead multidisciplinary teams, influence project outcomes, and drive collaboration to ensure designs meet client requirements, programme objectives, and regulatory standards.

Key responsibilities:

• Leading engineering and design delivery across a portfolio of projects, from scope definition through to handover.
• Making sure designs meet health and safety, quality, technical, environmental, sustainability and governance requirements.
• Working closely with designers, technical specialists, suppliers, construction teams and clients to deliver successful project outcomes.
• Managing design plans, deliverables, risks, decisions, change control and monthly reporting.
• Supporting a culture of open communication, constructive challenge, shared learning and continuous improvement.

Essential:

Extensive multidisciplinary design-management experience, ideally in a design-build environment. An engineering degree and Chartered Engineer status, or equivalent professional standing. Strong knowledge of construction health and safety, CDM, design assurance and large-scale project delivery. Experience in the water or wastewater sector would be highly beneficial. A collaborative, solution-focused approach and the ability to build trusted relationships with internal and external stakeholders.

Why join us?

At MWH Treatment, Design Management is central to the successful delivery of major water and wastewater infrastructure projects. As a Senior Design Manager, you will lead multidisciplinary teams, shape project outcomes and drive the delivery of safe, sustainable and buildable solutions that make a real difference to customers, communities and the environment. Lead the design delivery of strategically important water and wastewater projects. Influence key project decisions across design, construction and commissioning phases. Work in a collaborative design-and-build environment alongside experienced engineering and delivery teams. Develop your leadership skills through managing multidisciplinary teams and mentoring future talent. Be part of a business focused on safety, sustainability, innovation and delivering lasting value for customers and communities.