Design Manager - UK Wide

MWH Treatment; Hattersley; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

MWH Treatment is seeking a Design Manager to lead engineering and design delivery for water and wastewater infrastructure. You will coordinate multidisciplinary teams and shape high-quality, buildable design solutions from scope to handover.

Based in the UK with flexible working, this role requires strong stakeholder engagement, governance, and a proactive approach to cost, risk and delivery. Chartered Engineer status is advantageous.

Qualifications

• Engineering degree or demonstrable equivalent professional standing.
• Chartered Engineer status is advantageous for progression.
• Experience leading multidisciplinary design teams in water/wastewater, infra or design-build.
• Strong knowledge of CDM, health and safety, governance and quality.

Responsibilities

• Lead engineering and design delivery from scope to handover.
• Ensure all design work meets safety, quality, tech, env and governance standards.
• Manage design plans, schedules, decision logs and risk registers.
• Coordinate multidisciplinary teams across functions.
• Promote low-carbon, value-led design while maintaining programme commitments.
• Control design change and interfaces, provide early warnings and recover actions.
• Represent MWH Treatment with clients, partners and stakeholders.
• Provide technical support during construction, assembly and commissioning.

Skills

Project leadership

CDM knowledge

BIM knowledge

Stakeholder management

Health and safety awareness

Education

Engineering degree

Chartered Engineer status advantageous

Tools

BIM

Job description

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

Are you an experienced Design Manager ready to shape the delivery of essential water and wastewater infrastructure? This is an opportunity to take the lead on technically challenging projects that make a real difference to communities, customers and the environment.

At MWH Treatment, you will play a key role in driving safe, buildable and cost-effective design solutions from scope definition through to assurance, handover and construction support. Working with clients, designers, suppliers and construction teams, you will help turn complex requirements into practical, high-quality outcomes.

Key responsibilities:

• Lead engineering and design delivery from scope definition through assurance, issue resolution and handover.
• Ensure all design work meets health and safety, quality, technical, environmental, sustainability and governance requirements.
• Manage design plans, deliverables schedules, decision logs, risk registers and monthly progress reporting.
• Coordinate multidisciplinary teams across engineering, delivery, commercial, planning, supplier and construction functions.
• Drive efficient, value-led and low-carbon design solutions while maintaining quality and programme commitments.
• Control design change, manage interfaces, provide early warnings and lead recovery actions where needed.
• Represent MWH Treatment professionally with clients, partners and internal stakeholders.
• Provide technical support during construction, assembly and commissioning where required.

EssentialDegree qualified in engineering, or able to demonstrate equivalent professional standing.Chartered Engineer status, or working towards chartership, would be advantageous.Proven experience leading multidisciplinary design teams within water, wastewater, infrastructure or a design-build environment.Strong understanding of CDM, construction health and safety, technical assurance and project governance.Confident managing scope, programme, cost, risk, resource and stakeholder expectations.Clear communicator with the ability to influence, challenge constructively and build effective working relationships.Knowledge of BIM, digital design tools, sustainability and carbon reduction approaches would be beneficial.

Why join us?

At MWH Treatment, you will be part of a business delivering engineering solutions that improve communities, protect the environment and support the long-term resilience of the UK water sector. You will join a collaborative team where technical leadership is valued, ideas are encouraged and your contribution will have a direct impact on safe, sustainable project delivery.This is a great opportunity for someone who wants to take the lead on meaningful infrastructure projects, influence design strategy, mentor others and play a key role in delivering smarter, lower-carbon solutions for clients and customers.