Design Manager
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-11-01
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Engineering
Civil Engineering, Water Engineer, Environmental Engineer, Water Management
Design Manager (Water Infrastructure)
Location: Kingston upon Thames (50% On-Site / 50% Remote)
Contract Rate: £500 - £550 per day (LTD / Outside IR35)
Duration: 6 - 12 Months
Start Date: Immediate / ASAP
Project OverviewWe are seeking an experienced Design Manager to oversee design delivery for a major Sewage Treatment Works (STW/WwTW) upgrade project based in Kingston upon Thames.
This contract offers a 50/50 hybrid working model (split evenly between on-site presence in Kingston and remote work). You will act as the key technical interface between external water infrastructure, MEICA, and process design consultants, client stakeholders, and site operations teams-ensuring design packages are delivered on schedule, fully compliant, and optimized for safe constructability on an active sewage treatment facility.
Key ResponsibilitiesDesign Package Management: Manage multi-disciplinary design deliverables (water infrastructure packages, reinforced concrete structures, deep drainage, MEICA, and process plant integration) across all project stages.
Buildability & Value Engineering: Review engineering drawings, P&IDs, and models to resolve buildability issues early, driving value engineering solutions suited to active wastewater treatment environments.
Progress & Deliverable Management: Drive the Design Deliverable Schedule (DDS) to align with site construction milestones, tracking and resolving Technical Queries (TQs) and RFIs.
Regulatory Compliance & Approvals: Ensure design submissions comply with water authority specifications, WIMES standards, environmental regulations, and CDM 2015.
On-Site Technical Support: Spend ~50% of your time on-site in Kingston, interfacing directly with Project Managers, Site Engineers, and operations teams to resolve live design interface challenges.
Water Sector
Experience:
Proven track record as a Design Manager or Design Coordinator delivering water infrastructure or sewage treatment projects (STW, WwTW, or AMP frameworks) in the UK.Technical Breadth: Strong working knowledge of wastewater process assets, water infrastructure networks, pipework networks, and MEICA design integration.
Qualifications: Degree or HND/HNC in Civil, Environmental, or Mechanical Engineering (or equivalent experience).
Certifications: Valid CSCS Card and EUSR National Water Hygiene Card (or willingness to obtain).
Working Model: Ability to manage a 50% on-site presence in Kingston alongside 50% remote/home working.
Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.
Candidates must be eligible to live and work in the UK.
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