Project Manager (PM) – TOC Assurance, Tunnelling

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

Pay: Dependant on Experience

Location: Suffolk/London/Hybrid working

Job ID: 2038

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

Understanding of:

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