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Commercial Manager
Potters Bar / South Mimms, Hertfordshire
Competitive Salary

Project Overview

The successful candidate will join the delivery team on one of the largest planned data centre developments in Europe

The scheme comprises four data centre buildings (three at approximately 72MW and one at approximately 48MW), supported by major HV electrical infrastructure, dedicated substations, backup generation, advanced low-water cooling systems, and full campus infrastructure.

Role Purpose

The Commercial Manager will provide commercial leadership and control across a defined package or work area of the Potters Bar Data Centre campus, ensuring robust cost management, contract administration, and commercial governance throughout the design, procurement, and construction phases of this hyperscale, mission-critical development.

Key Responsibilities

Manage the commercial and contractual aspects of assigned packages (e.g. civils, MEP, HV infrastructure, cooling systems, or building shell & core) from pre-construction through to final account.Prepare, negotiate, and administer contracts (JCT, NEC3/NEC4, or bespoke forms) with contractors, subcontractors, and suppliers.Produce and maintain accurate cost plans, budgets, cash flow forecasts, and cost reports for senior stakeholders and the client (Equinix/DC01UK).Lead on procurement strategy, tendering, and subcontractor/supplier selection for assigned packages.Manage valuations, applications for payment, variations, and change control processes.Identify, evaluate, and mitigate commercial risk across the programme, escalating issues as required.Support the resolution of contractual disputes, claims, and extensions of time.Ensure commercial compliance with project governance, CDM regulations, and industry best practice.Work closely with project managers, design teams, engineers, and the client's commercial team to align commercial strategy with programme and technical requirements.Monitor subcontractor performance against contractual obligations and support final account negotiation and close-out.Contribute to monthly commercial reporting, forecasting, and board-level cost reviews.Support the wider commercial team in managing the scale and complexity typical of a multi-building, phased hyperscale campus delivery.

Candidate Requirements

Essential:

Proven experience as a Commercial Manager / Senior Quantity Surveyor on large-scale construction projects, ideally within data centres, mission-critical facilities, industrial, or major infrastructure sectors.Strong working knowledge of NEC3/NEC4.Demonstrable experience managing multi-million-pound packages, budgets, and subcontractor accounts.Sound understanding of procurement routes, cost planning, and value engineering on complex, phased builds.Experience managing commercial risk on projects with significant HV/electrical infrastructure and MEP content is highly desirable.Excellent negotiation, communication, and stakeholder management skills.Degree-qualified in Quantity Surveying, Commercial Management, or a related construction discipline.MRICS, MCIOB, or working towards chartership (desirable).

Desirable:

Prior experience on hyperscale or large-scale data centre developments.Experience working on projects requiring dedicated grid connections and complex substation/HV infrastructure.

To apply, please submit your CV or feel free to reach out for a confidential conversation. Send an email to [email protected], give me a call on 02036573167 or WhatsApp me on +27645053449.

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Quantity Surveyor
Hatfield, Hertfordshire
£40,000 - £45,000 Per Annum

Looking to build your career on some of the UK's most exciting rail infrastructure? This is your chance to join a genuine industry leader.

We're assisting our client who is a powerhouse in the rail sector with a track record spanning major schemes across the UK and Europe on their search for an Quantity Surveyor to join their team on a Major Rail Framework at their Hatfield Business Park office. This is a permanent role offering real career progression within a business that's only going from strength to strength.

What you'll be doing:

Working closely alongside experienced Quantity Surveyors, supporting the commercial and contractual delivery of multiple schemes at various stages of the project lifecycle.Proactively identifying risks and opportunities within contracts, helping protect margin and drive value.Building strong, lasting relationships with suppliers, subcontractors, and internal project teams to keep delivery on time and on budget.Getting hands-on exposure to the commercial side of large-scale rail infrastructure work - ideal for someone looking to fast-track their QS career.

What we're looking for:

Experience within Infrastructure , Rail and/or Civil Engineering.A relevant qualification in Quantity SurveyingRail sector experience is advantageous, but not essential - full support and mentoring will be provided.Confident communicator, comfortable managing subcontractors, suppliers, and their expectations.

Why apply?
Join a business with a strong pipeline of major rail projects, a supportive team culture, hybrid flexibility, and a clear path for progression into a full Quantity Surveyor role.

📞 For a confidential chat about this opportunity or your next career move, contact Casey on 02036573167 or email [email protected].

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My Client a leading Rail contractor and provides design and build services to clients in the rail and transportation sector. They are currently seeking a Quantity Surveyor to join their team due to a strong pipeline of work. This opportunity offer a clear career path as well the opportunity to become chartered.


Location: Hatfield + hybrid working (3 days in the office)
Rate: £380-£400 per day outside 1r35

Due to significant growth, my client is looking to add a Quantity Surveyor to their team to work on a number of multidisciplinary rail projects across the UK.

Please note, my client is open to Quantity Surveyors of all levels, so please still apply if you are an Assistant or Trainee Quantity Surveyor.



Requirements:
Experience working on rail projects
Degree or equivalent in Quantity Surveying or Commercial Management
2-3 years experience as a Quantity Surveyor
Full UK driving license

Read less

My Client a leading Rail contractor and provides design and build services to clients in the rail and transportation sector. They are currently seeking a Quantity Surveyor to join their team due to a strong pipeline of work. This opportunity offer a clear career path as well the opportunity to become chartered.


Location: Hatfield + hybrid working (3 days in the office)
Rate: £380-£400 per day outside 1r35

Due to significant growth, my client is looking to add a Quantity Surveyor to their team to work on a number of multidisciplinary rail projects across the UK.

Please note, my client is open to Quantity Surveyors of all levels, so please still apply if you are an Assistant or Trainee Quantity Surveyor.



Requirements:
Experience working on rail projects
Degree or equivalent in Quantity Surveying or Commercial Management
2-3 years experience as a Quantity Surveyor
Full UK driving license

Read less

My Client a leading Rail contractor and provides design and build services to clients in the rail and transportation sector. They are currently seeking a Quantity Surveyor to join their team due to a strong pipeline of work. This opportunity offer a clear career path as well the opportunity to become chartered.


Location: Hatfield + hybrid working (3 days in the office)
Rate: £380-£400 per day outside 1r35

Due to significant growth, my client is looking to add a Quantity Surveyor to their team to work on a number of multidisciplinary rail projects across the UK.

Please note, my client is open to Quantity Surveyors of all levels, so please still apply if you are an Assistant or Trainee Quantity Surveyor.



Requirements:
Experience working on rail projects
Degree or equivalent in Quantity Surveying or Commercial Management
2-3 years experience as a Quantity Surveyor
Full UK driving license

Read less

My Client a leading Rail contractor and provides design and build services to clients in the rail and transportation sector. They are currently seeking a Quantity Surveyor to join their team due to a strong pipeline of work. This opportunity offer a clear career path as well the opportunity to become chartered.


Location: Hatfield + hybrid working (3 days in the office)
Rate: £380-£400 per day outside 1r35

Due to significant growth, my client is looking to add a Quantity Surveyor to their team to work on a number of multidisciplinary rail projects across the UK.

Please note, my client is open to Quantity Surveyors of all levels, so please still apply if you are an Assistant or Trainee Quantity Surveyor.



Requirements:
Experience working on rail projects
Degree or equivalent in Quantity Surveying or Commercial Management
2-3 years experience as a Quantity Surveyor
Full UK driving license

Read less

My Client a leading Rail contractor and provides design and build services to clients in the rail and transportation sector. They are currently seeking a Quantity Surveyor to join their team due to a strong pipeline of work. This opportunity offer a clear career path as well the opportunity to become chartered.


Location: Hatfield + hybrid working (3 days in the office)
Rate: £380-£400 per day outside 1r35

Due to significant growth, my client is looking to add a Quantity Surveyor to their team to work on a number of multidisciplinary rail projects across the UK.

Please note, my client is open to Quantity Surveyors of all levels, so please still apply if you are an Assistant or Trainee Quantity Surveyor.



Requirements:
Experience working on rail projects
Degree or equivalent in Quantity Surveying or Commercial Management
2-3 years experience as a Quantity Surveyor
Full UK driving license

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Position: Senior Estimator

Location: Hertfordshire

£80,000 - £90,000 Per Annum + Package

We are working a leading highways and public realm contractor is seeking a Senior Estimator to join its growing pre‑construction team. This is a pivotal role supporting the business in securing new work, driving accuracy in pricing, and contributing directly to turnover and profitability targets

The Role

As Senior Estimator, you will take ownership of tender preparation, pricing strategy and bid submissions for capital projects and maintenance contracts. You'll work closely with operational, commercial and procurement teams to ensure tenders are competitive, compliant and commercially robust.

Key Responsibilities

Administer NEC3 and NEC4 contracts across large‑scale civils work packages.Manage commercial performance on packages valued £100m+Support the Commercial Lead and provide clear commercial guidance to project teams.Develop and maintain strong commercial, financial, and reporting processes.Lead risk and opportunity management to protect and maximise commercial entitlement.Support contract reviews and ensure accurate monthly commercial reporting.Lead commercial negotiations with internal and external stakeholders.Monitor and evidence KPI performance across assigned packages.Prepare monthly cost reports, forecasts, and contract budgets.Provide timely, high‑quality information to support change control.Support procurement activities and prepare subcontract documentation.Manage subcontractors from award through to final account.Maintain detailed registers for variations, delays, EOTs, and claims

About You

Proven experience estimating within highways or civil engineering environmentsStrong track record of securing profitable work and supporting business growthExcellent communication and presentation skills, confident in client‑facing settingsAbility to interpret drawings, specifications and contract conditionsHighly organised, able to work under pressure and meet tight deadlinesProficient with estimating software and Microsoft OfficeA collaborative team player who motivates and supports others Read less