Project Manager (PM) – TOC Assurance, Tunnelling

Job Title: Project Manager (PM) – TOC Assurance, Tunnelling

Pay: Dependant on Experience

Location: Suffolk/London/Hybrid working

Job Purpose / Overview

The Project Manager (PM) – TOC Assurance, Tunnelling will support the assurance of Target Outturn Cost (TOC) submissions for tunnelling and underground works at Sizewell C.

This role focuses on reviewing cost and methodology alignment for complex underground construction, ensuring submissions reflect realistic delivery approaches and appropriate risk allowances.

Key Responsibilities

TOC Assurance – Tunnelling

• Review TOC submissions for tunnelling works (TBM, shafts, SCL, underground structures)
• Assess cost build-ups in relation to construction methodologies
• Challenge assumptions on productivity, sequencing, and logistics
• Evaluate risk allowances specific to underground works

Procurement & Contractor Engagement

• Support procurement activities for tunnelling packages
• Review tender submissions and commercial proposals
• Assist in contractor engagement and clarification processes
• Ensure alignment between design, methodology, and cost

Commercial & Risk Review

• Analyse cost drivers unique to tunnelling environments
• Identify commercial risks and opportunities
• Support benchmarking and assurance processes

Stakeholder & Interface Management

• Work closely with engineering, design, and commercial teams
• Support technical and commercial assurance workshops
• Provide structured reporting and recommendations

Financial (For example: Investments, Funding, Budget or Programme costs)

• General understanding of the Capital Programme budget forecasting along with transition of programme elements back to influence of the costs and budgets

Risk (for example Capital, Project or Performance risks)

• General understanding of the capital projects and related risk identification, quantification and analysis
• General understanding of Quantitative Risk Analysis including Monte Carlo simulation for QSRA and QCRA

Experience

• Minimum 12+ years’ experience in infrastructure, including tunnelling

Background in

• Quantity surveying / commercial OR
• Engineering with cost exposure
• Experience within contractor or specialist tunnelling environments
• Exposure to complex underground construction projects

Technical Expertise

o TBM operations

o Shaft construction

o Ground risk and geotechnical considerations

• Ability to link construction methodology to cost

Skills & Competencies

• Strong analytical and problem-solving capability
• Ability to challenge assumptions constructively
• Clear communication and reporting skills

Qualifications & Experience

• Degree in Civil Engineering, Quantity Surveying, or related discipline
• Relevant professional membership desirable