Commercial Manager

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Change Commercial Manager (Major Project)

Contract Role | Immediate Start | Competitive Day Rate


We are seeking a highly experienced Change Commercial Manager to support a major infrastructure project, focusing on a high-value and complex Compensation Event. This is a hands-on, delivery-focused role requiring deep commercial acumen and forensic attention to detail.


Role Overview

You will take ownership of a single, significant compensation event, leading the full commercial assessment process. This includes detailed interrogation of design information, validation of quantities, and robust evaluation of cost and programme impacts to ensure a defensible and well-substantiated position.


Key Responsibilities

  • Lead the end-to-end management of a major compensation event under contract conditions (e.g. NEC or similar)
  • Undertake detailed design review across all issued documentation (drawings, specifications, revisions)
  • Carry out or validate measurement and quantification of works to ensure accuracy and completeness
  • Build, interrogate, and challenge cost submissions using first principles where required
  • Assess programme impacts in collaboration with planning teams
  • Identify commercial risks, opportunities, and areas of exposure
  • Prepare and present clear, structured commercial narratives to support entitlement
  • Engage with key stakeholders, including client, consultants, and delivery teams


Candidate Requirements

  • Extensive experience in commercial/change management on large-scale construction or infrastructure projects
  • Proven track record managing high-value compensation events or claims
  • Strong background in measurement and cost build-up, with the ability to work from design information
  • Excellent understanding of standard forms of contract (NEC preferred)
  • Ability to operate autonomously and provide strategic commercial direction
  • Strong analytical, negotiation, and communication skills


Desirable Experience

  • Background in sectors such as infrastructure, energy, or major civil engineering
  • Experience working on complex, design-intensive projects
  • Familiarity with programme analysis and delay/impact assessment

”, “datePosted”: “2026-04-29”, “hiringOrganization”: { “@type”: “Organization”, “name”: “ERSG Ltd”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__416843946__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=21231” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Newport” } } }
Company: ERSG Ltd
Apply for the Commercial Manager
Location: Newport
Job Description:

Change Commercial Manager (Major Project)

Contract Role | Immediate Start | Competitive Day Rate

We are seeking a highly experienced Change Commercial Manager to support a major infrastructure project, focusing on a high-value and complex Compensation Event. This is a hands-on, delivery-focused role requiring deep commercial acumen and forensic attention to detail.

Role Overview

You will take ownership of a single, significant compensation event, leading the full commercial assessment process. This includes detailed interrogation of design information, validation of quantities, and robust evaluation of cost and programme impacts to ensure a defensible and well-substantiated position.

Key Responsibilities

  • Lead the end-to-end management of a major compensation event under contract conditions (e.g. NEC or similar)
  • Undertake detailed design review across all issued documentation (drawings, specifications, revisions)
  • Carry out or validate measurement and quantification of works to ensure accuracy and completeness
  • Build, interrogate, and challenge cost submissions using first principles where required
  • Assess programme impacts in collaboration with planning teams
  • Identify commercial risks, opportunities, and areas of exposure
  • Prepare and present clear, structured commercial narratives to support entitlement
  • Engage with key stakeholders, including client, consultants, and delivery teams

Candidate Requirements

  • Extensive experience in commercial/change management on large-scale construction or infrastructure projects
  • Proven track record managing high-value compensation events or claims
  • Strong background in measurement and cost build-up, with the ability to work from design information
  • Excellent understanding of standard forms of contract (NEC preferred)
  • Ability to operate autonomously and provide strategic commercial direction
  • Strong analytical, negotiation, and communication skills

Desirable Experience

  • Background in sectors such as infrastructure, energy, or major civil engineering
  • Experience working on complex, design-intensive projects
  • Familiarity with programme analysis and delay/impact assessment

Posted: April 29th, 2026