Senior Project Manager

Location: Horton / Heathrow (with travel across London & South of England)
Employment Type: Permanent or Contract (Freelance)

• Contract: 450 - 500 per day (outside/inside depending on determination)

• Permanent: 70,000 - 75,000 per annum + benefits

Our client is a well-established lining and utilities specialist delivering multiple multi-million-pound infrastructure projects across London and the South of England. The business is currently engaged on Thames Water AMP8, with new framework awards secured with Southern Water and Wessex Water, alongside ongoing involvement in major infrastructure schemes including HS2 in London.

Due to sustained growth and a strong forward order book, they are now seeking an experienced Senior Project Manager to lead complex projects within the water and major projects sectors.

The Senior Project Manager will take responsibility for the successful delivery of projects primarily within the Thames Water framework, as well as supporting and leading works associated with HS2 in London. This is a senior, client-facing role requiring strong leadership, commercial awareness, and a proven track record of delivering large, technically complex schemes safely, on time, and within budget.

• Overall responsibility for the end-to-end delivery of multiple projects within the Thames Water framework and HS2 works

• Manage project teams including Site Managers, Engineers, and subcontractors

• Ensure projects are delivered in line with programme, budget, quality, and safety requirements

• Act as the main point of contact with clients, stakeholders, and framework partners

• Oversee commercial performance including cost control, forecasting, variations, and final accounts

• Ensure compliance with health, safety, environmental, and quality standards

• Support tendering, early contractor involvement, and work winning where required

• Coordinate with internal departments to ensure efficient resource planning and delivery

• Provide leadership, mentoring, and development to junior project staff

Essential:

• Proven experience as a Project Manager / Senior Project Manager within water, utilities, or major infrastructure projects

• Previous experience working on a water framework (AMP projects) or a major project such as:

  • HS2

  • Thames Tideway

  • Crossrail

  • Hinkley Point C

• Strong understanding of NEC contracts and framework delivery models

• Excellent stakeholder management and communication skills

Desirable:

• Background with a specialist contractor (utilities, lining, civils, or infrastructure)

• Experience managing multiple projects simultaneously across different locations

• SMSTS (essential)

• Relevant Project Management qualification (APM, PRINCE2, PMP or similar - desirable)

• CSCS (relevant level)

• Long-term, secured workload across AMP8 and major UK infrastructure programmes

• Opportunity to work on high-profile projects across London and the South

• Flexible approach to hiring: contract or permanent

• Competitive rates/salary with progression opportunities in a growing business.