Data Centre & MEP Cost Lead — Senior Commercial Manager

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 102,345 - 136,460; Full time

Benefits offered by this job

Healthcare coverage

Pension

Generous leave

Tech hardware

Mentoring

Rotation support

Job summary

Hamilton Barnes Associates Limited is seeking a Senior Commercial Manager to oversee commercial and cost management on a high-profile data centre project. You will work with project delivery, BIM, and construction teams to manage complex MEP packages and drive value.

The role offers exposure to major capital programs, rotation support, healthcare, pension, and professional development. Candidates should have 5+ years MEP QS experience and strong contract/commercial acumen.

Qualifications

• 5+ years post-qualification experience in MEP QS roles.
• Strong understanding of MEP systems within Data Centre or Mission Critical construction.
• Proven track record in cost control, procurement, forecasting and subcontractor management.
• Contract administration knowledge and strong commercial awareness.
• Proficiency in QS software such as CostX or Cubit; BIM-enabled workflows experience.

Responsibilities

• Prepare feasibility studies, cost estimates, benchmarking analysis, BOQs, and tender documentation.
• Evaluate tender returns and provide commercial recommendation reports.
• Proactively manage change management, assessing scope changes and their cost/programme impacts.
• Prepare monthly cost reports, forecasts, valuations, and earned value analysis for MEP packages.
• Conduct quantity take-offs using BIM-enabled software and digital construction tools.
• Oversee contractor final accounts and maintain accurate commercial records.
• Coordinate with stakeholders across commercial, project delivery, and construction functions.
• Monitor contractor insurances, warranties, and compliance requirements.

Skills

MEP Quantity Surveying

Data Centre experience

Cost control

Contract administration

QS software (CostX/Cubit)

BIM-enabled workflows

Tools

CostX

Cubit

Job description

Hamilton Barnes Associates Limited is seeking a Senior Commercial Manager to oversee commercial and cost management on a high-profile data centre project. You will work with project delivery, BIM, and construction teams to manage complex MEP packages and drive value.

The role offers exposure to major capital programs, rotation support, healthcare, pension, and professional development. Candidates should have 5+ years MEP QS experience and strong contract/commercial acumen.