Senior Project Manager (Construction) - Water Treatment

Randstad Construction & Property; Greater London; On-site; GBP 115,000 - 161,000; Full time

Job summary

Randstad Construction & Property is recruiting for a Senior Project Manager (Construction) to oversee a large-scale water treatment programme in North London. This site-based, freelance role runs for approximately 12–18 months, with Outside IR35 terms and a requirement for a Chartered or near-chartered engineer.

The successful candidate will lead the delivery team, ensure projects stay on time and budget, and manage safety on high-hazard process sites.

Qualifications

• Bachelor's or Master's degree in Civil or Mechanical Engineering (Chartered Engineer preferred).
• Senior PM/Project Director experience on major water sector capital projects (water treatment works or process plants).
• Experience with NEC4 contracts, MEICA interfaces, and complex process engineering.

Responsibilities

• Lead end-to-end delivery of complex water treatment infrastructure projects.
• Provide technical oversight across civil, structural and MEICA disciplines.
• Manage project programming, cost control and forecasting under NEC4 frameworks.
• Supervise subcontractors and supply chains for quality and timely handovers.
• Ensure safety, compliance with water authority standards and regulatory requirements.
• Liaise with client and stakeholders, reporting progress against KPIs.

Skills

Leadership

Team collaboration

Delivery focus

Education

Bachelor's/Master's in Civil or Mechanical Eng

Tools

NEC4 framework management

MEICA integration

Temporary works coordination

Procurement & contract administration

Job description

Randstad are recruiting for a Senior Project Manager (Construction) to oversee a large scale Water Treatment Projects across North London. This is a SITE BASED role (5 days a week on site in North London).

This is a freelance role with approximately 12-18 months duration.

Payment type is Outside IR35 (subject to candidate IR35 Assessment).

ONLY CANDIDATES WITH TIER 1 CONSTRUCTION / WATER / HEAVY CIVILS EXPERIENCE WILL BE CONSIDERED (ENGINEERING DEGREE / HNC REQUIRED).

Previous experience working on Thames Water projects highly advantageous.

Our client is a reputable main contractor highly regarded within the water industry with significant work in the pipeline.

Scope of works includes: Heavy Civils / RC / Drainage / Interface with other disciplines / Microtunnelling.

The role:

As a key leader within our Delivery team, you'll report directly to the Head of Operations and work closely with our Contracts Manager for Water. You'll be responsible for the overall success of the Water/Wastewater Portfolio, ensuring projects are delivered on time, within budget, and to the highest standards of quality and safety.

Key Responsibilities

• Project Delivery & Strategy: Drive the end-to-end delivery of complex water treatment infrastructure works, acting as the primary engineering lead to ensure capital projects move seamlessly from detailed design through construction to final commissioning.


• Complex Engineering Oversight: Apply strong technical engineering discipline to resolve constructability challenges, review temporary works, approve method statements, and manage technical queries across civil, structural, and MEICA (Mechanical, Electrical, Instrumentation, Control, and Automation) disciplines.


• Commercial & Contractual Control: Lead project programming, cost control, and forecasting under NEC4 contract frameworks. Proactively identify variations, manage compensation events, and ensure delivery remains aligned with strict client budgets and milestones.


• Subcontractor & Supply Chain Leadership: Supervise specialist water-industry subcontractors and supply chains, setting technical quality targets and monitoring performance to ensure zero-defect handovers.


• Health, Safety, & Environmental Governance: Champion strict safety leadership and environmental protection protocols on major, high-hazard process sites - ensuring full compliance with water authority standards and statutory regulations.


• Client & Key Stakeholder Interface: Serve as the senior operational liaison for the water utility client, regulatory bodies, and internal executive teams, providing transparent progress reporting against key performance indicators (KPIs).

Candidate Profile & Qualifications

• Education: Bachelor's or Master's degree in Civil Engineering, Mechanical Engineering, or a related engineering discipline (Chartered Engineer status preferred).


• Experience: Track record operating at a Senior PM or Project Director level on major water sector capital projects (preferably large-scale Water Treatment Works / WTW or process plants).


• Technical & Contractual Mastery: Deep expertise in NEC4 framework management, MEICA integration, temporary works coordination, and complex process engineering interfaces.


• Certifications: SMSTS, CSCS Senior Manager, and relevant health and safety accreditations (e.g., NEBOSH).

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.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.