Commercial Manager

New Today

2 Commercial Manager – (Senior QS Level)
Location: West Ruislip or North Acton (Hybrid – 3 days on site)
Salary: £65,000 – £74,000 + 6:12 Pension + 25 Days Holiday + Healthcare
Project: HS2 £4.2bn Main Works Civils Contract - London Tunnels (SCS JV)
Next Step: Senior Commercial Manager (£90,000 – £100,000 +)
Join the UK's Most Ambitious Infrastructure Project
Are you a Senior Quantity Surveyor, Senior Cost Manager or Quantity Surveyor with NEC3 experience looking to work on a truly iconic project for the client HS2 as Commercial Manager?
This is your opportunity to be part of the £4.19 billion HS2 London Tunnels Main Works contract, providing client oversight to the SCS Joint Venture (Skanska, Costain, Strabag). With over £50–£70 million in monthly spend, this is one of the most complex and high-profile civils packages in Europe.
London Tunnels Main Works Civils Contract consists of 13 miles of twin-bore tunnels (26 miles total) between West Ruislip and Euston, using six Tunnel Boring Machines (five operating simultaneously), along with shafts, green tunnels, under bridges, cross passages, utility works, and associated infrastructure, 4 years left on the project.
The Role
As a Commercial Manager, you’ll play a key part in the post-contract commercial delivery of this major NEC3 Option C civils package. Working within a lean client team, you'll support a Senior Commercial Manager managing Assistant Commercial Managers & Contract Administrators, while also taking commercial ownership of large sections of the project. You will lead on high value complex compensation events negotiating directly with the main contracting JV
This is a hands-on role with meaningful responsibility. You’ll be responsible for:
* Provide commercial assurance to the Head of Commercial for all delivery activities,
* Manage contracts to maintain strong commercial control and ensure effective contract administration under NEC3, including:
* Assessing variations and compensation events
* Reviewing contract payments and performance incentives
* Ensure accurate cost verification across all projects.
* Review and analyse monthly supply chain reports to monitor and improve performance.
* Contribute commercial data to monthly business reports and contract reviews.
* Participate in monthly performance reviews and support updates to final cost estimate.
* Assist in resolving supply chain disputes and contractual issues.
* Offer day-to-day commercial and contractual advice to the client team.
* Identify and assess opportunities for cost savings and support the development of business cases for approval.
* Help foster a collaborative and high-performing Integrated Project Team (IPT), encouraging innovation and sharing of best practice.
* Manage and support the commercial relationship with key contractors.
* Review project cost estimates at all stages.
* Manage and develop commercial staff (Ass Commercial Manager) by setting objectives, monitoring performance, and ensuring skills development.
* Contribute expertise to improve contract and commercial management processes, policies, and standards.
This role offers career-defining exposure to commercial and project management on a megaproject scale—ideal for someone looking to develop into a Senior Commercial Manager and be exposed to numerous commercial challenges.
What We’re Looking For
✔️ Degree-qualified Senior Quantity Surveyor, Senior Cost Manager or superb Quantity Surveyor
✔️ Experience with NEC3 or NEC4 contracts, particularly in post-contract administration
✔️ Experience in civils/infrastructure, rail, heavy civils, highways, utilities, etc
✔️ Familiarity with CEMAR or similar contract management platforms
✔️ Strong communicator and collaborator
✔️ Self-starter with an appetite to grow and learn
✔️ Comfortable managing multiple tasks in a fast-paced environment
Whether you come from a Client, Consultant, or Main Contractor background, if you're passionate about commercial delivery and want to work on a project that will shape the UK’s infrastructure for —you’ll thrive here.
Career Progression
At HS2, internal development is a priority—45% of vacancies are filled internally, highlighted but the fact that both roles has become available due to internal promotions. With 3–4 years remaining on the London Tunnels contract and long-term packages including:
* Station New Builds - £1.7bn Old Oak Common Station (2033), Euston Station
* Rail System Alliance - £550m Rail Depot, £1.2bn Signalling Package, £500m M&E Systems, Track, Power, and more (through to at least 2034)
You’ll be well-positioned for continued growth and promotion to Commercial Manager and beyond.
Working Environment
Hybrid Working: 3 days on-site at West Ruislip or North Acton, 2 days remote
Flexible, modern working practices with a delivery-focused culture
Inclusive, collaborative team environment working alongside main contractor & supply chain
Ready to Take the Next Step?
If you want to work on a landmark infrastructure project, gain significant commercial experience, and accelerate your career—apply now or reach out for a confidential discussion
Apply
Location:
Ruislip

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