Design Manager - South Division

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

Job summary

MWH Treatment is seeking a Design Manager to strengthen our Southern Division with flexible working. You will lead design delivery for water and wastewater infrastructure, coordinating engineers, suppliers and construction teams to transform complex requirements into practical, high-quality outcomes.

You will drive safe, buildable, cost-effective design solutions from scope definition through assurance, handover and construction support, shaping design strategy and mentoring others to deliver

Qualifications

• Essential engineering degree (or equivalent).
• Chartered Engineer status would be advantageous.
• Proven experience leading multidisciplinary design teams in water, wastewater, infrastructure or design-build.
• Strong knowledge of CDM, health and safety, technical assurance and project governance.

Responsibilities

• Lead design delivery from scope definition through to handover.
• Ensure all design work meets health & safety, quality and governance requirements.
• Manage design plans, deliverables, schedules, risk logs and progress reporting.
• Coordinate multidisciplinary teams across engineering, delivery, commercial, planning, supplier and construction.
• Drive value-led, low-carbon design while preserving quality and programme commitments.
• Control design change, manage interfaces and lead recovery actions.
• Represent the company with clients, partners and stakeholders.
• Provide technical support during construction and commissioning.

Skills

Team leadership

Stakeholder management

CDM knowledge

Cost & risk management

Communication

Sustainability

Design governance

Low-carbon design

Education

Engineering degree

Chartered Engineer (advantageous)

Tools

BIM

Digital design tools

Job description

We are looking to strengthen our Engineering team with a Design Manager to join our Southern Division 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.