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Change Manager

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Job Description

HS2 is Great Britain's new high-speed railway. Once operational, HS2 trains will facilitate journeys between Birmingham and London, with services extending to Manchester, the North West, and Scotland using conventional railways. The new route will comprise 140 miles of track, four stations, two depots, 32 miles of tunnel, and 130 bridges. The first HS2 services will run between Birmingham Curzon Street and Old Oak Common in London from 2029 to 2033.

HS2 has awarded several railway systems contracts, valued at over £4 billion, for the design, supply, construction, testing & commissioning, and maintenance of the route between London and Birmingham.

HRS03 HV Power (traction and non-traction) Rail Systems Contract is being delivered by the Siemens Mobility Costain Joint Venture (SMCjv) (the Contractor) on behalf of High Speed 2 (the Employer). HRS03's scope of works is to provide 25kV Traction and 33kV/11kV Non-traction HV power for HS2's rail system Phases 1 and 3 between London Euston and Birmingham. The works will include various disciplines such as HV power, SCADA, Civils, Protection & Control, EMC, E&B and LV power.

As part of the HRS03 delivery the project intends on putting in place a best in class commercial function centred around providing value for mon

Responsibilities

The Change Manager will lead in the everyday commercial management of realising the SMCjv's contractual entitlement in response to contract change, lead in the proactive management of emerging project risks and identify areas of opportunity where possible. Further specifics are given as follows;

  • Interpret Project Manager's Instructions / GC / other communications to establish commercial entitlement, communicating such entitlement in an informed and timely manner in line with the mechanisms of the main contract
  • The accurate pricing of change entitlement working with relevant package QS's / package leads submitted in a timely manner as dictated by the main contract
  • Accurate projection of risks arising as a consequence of change, with the utilisation of appropriate QSRA / QCRA tools in pricing such change events
  • Produce accurate snapshots of status of change for main contract and internal reporting processes
  • Production of clear and concise narratives to help demonstrate change entitlement - Ability to communicate clearly and with confidence to the client in demonstrating change entitlements
  • Work with the project team to understand and present Value engineering proposals for acceptance by the Client

Knowledge, Skills and Experience

Essential

  • Experience in similar change role on major infrastructure projects
  • Ability to build trust and understanding with Client representatives
  • Ability to work independently and diligently in assimilating information to support change submissions
  • Knowledge of the NEC3 contract in the context of a change role
  • Strong communication and presentation skills

Desirable

  • Experience with appropriate software tools for risk pricing / management (eg Xactium)
  • Experience working on similar HV power infrastructure
  • Experience working on HS2 projects

Qualifications

Qualifications

Essential

  • Degree or equivalent level qualification in Quantity Surveying or related construction subject

Desirable

  • RICS / ICES chartership (or equivalent)
  • Relevant CSCS card

About Us

Costain helps to improve people's lives with integrated, leading edge, smart infrastructure solutions across the UK's energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK's leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview.

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people.

For more details please go to the Disability Confident website:
https://www.gov.uk/government/collections/disability-confident-campaign

Change Manager

Costain
Birmingham, UK
Full-Time

Published on 29/03/2026

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