Senior Project Manager

Colt Data Centre Services; Slough; On-site; GBP 90,000 - 130,000; Full time

Job summary

Colt Data Centre Services in London is seeking a Senior Project Manager to deliver allocated construction projects efficiently and safely, meeting scope, programme, and budget requirements while ensuring 100% customer satisfaction upon completion.

This role is part of the DCS Delivery Team, managing a group of internal and external Project Managers delivering new-build data centre projects in West London and across Colt's pan-European estate, with governance and end-to-end delivery

Qualifications

• Proven experience delivering construction projects, ideally within the data centre or major infrastructure sectors.
• Strong knowledge of health & safety best practice.
• Solid understanding of CSA, Mechanical and Electrical systems.
• Experience delivering projects under Design & Build contract strategies.
• Strong understanding of the technical, procedural, contractual, and commercial aspects of project delivery.
• Capable of managing scope, cost, schedule, quality, and risk to meet business objectives.
• Demonstrated ability to apply structured governance and project controls from initiation to handover and closure.
• Ability to create and execute a clear end-to-end delivery strategy.
• Strong skills in financial management, programme management, and risk mitigation.
• Ability to produce accurate reports, programmes, and cost forecasts.
• Highly organised and methodical, with strong coordination skills to optimise resources and exceed customer expectations.
• Experience managing projects with complex engineering services installations.
• Experience delivering projects in live operational infrastructure environments.
• Knowledge of supply-chain procurement and contract negotiation.
• Experience leading local and remote, multi-disciplinary project teams.
• Experience managing customer interactions and fit-out activities.
• Strong IT literacy: Microsoft Excel, Project, Word.
• Excellent communication, stakeholder management, and leadership skills.

Skills

Proven experience delivering

Health & safety best practice

CSA knowledge

Mechanical and Electrical systems

Design & Build contracts

Governance & project controls

End-to-end delivery strategy

Financial and programme management

Reports, programmes, cost forecasts

Organisation & coordination

Complex engineering services

Live operational environments

Supply-chain procurement & negotiation

Leading multi-disciplinary teams

Customer interactions & fit-out

MS Excel, Project, Word

Leadership & stakeholder management

Education

Academic qualifications in construction or engineering

Professional certification preferred

Tools

Microsoft Excel

Microsoft Project

Microsoft Word

Job description

Job Title: Senior Project Manager

Location:

London, UK

Reports To:

Project Director

Mission

The Senior Project Manager is responsible for delivering allocated construction projects efficiently and safely, meeting scope, programme, and budget requirements while ensuring 100% customer satisfaction upon completion.

This role is part of the DCS Delivery Team, managing a group of internal and external Project Managers delivering new‑build data centre projects in West London.

The DCS Delivery function oversees construction and infrastructure programmes across Colt DCS’s pan‑European and APAC estate and is committed to being the centre of excellence for data centre project delivery—providing expertise with a punctual, creative, and solutions‑driven approach.

Key Relationships

Internal:

• Cost Management & Commercial
• DCS Procurement
• DCS Design & Engineering
• DCS Operations
• Senior Management Team

External:

• Design consultants
• Cost management consultants
• Main contractors
• Suppliers and vendors

Skills & Experience Required

• Proven experience delivering construction projects, ideally within the data centre or major infrastructure sectors (Energy, Nuclear, Industrial Manufacturing, Airports etc).
• Strong knowledge of health & safety best practice.
• Solid understanding of CSA, Mechanical and Electrical systems.
• Experience delivering projects under Design & Build contract strategies.
• Strong understanding of the technical, procedural, contractual, and commercial aspects of project delivery.
• Capable of managing scope, cost, schedule, quality, and risk to meet business objectives.
• Demonstrated ability to apply structured governance and project controls from initiation to handover and closure.
• Ability to create and execute a clear end‑to‑end delivery strategy.
• Strong skills in financial management, programme management, and risk mitigation.
• Ability to produce accurate reports, programmes, and cost forecasts.
• Highly organised and methodical, with strong coordination skills to optimise resources and exceed customer expectations.
• Experience managing projects with complex engineering services installations.
• Experience delivering projects in live operational infrastructure environments.
• Knowledge of supply‑chain procurement and contract negotiation.
• Experience leading local and remote, multi‑disciplinary project teams.
• Experience managing customer interactions and fit‑out activities.
• Strong IT literacy: Microsoft Excel, Project, Word.
• Excellent communication, stakeholder management, and leadership skills.

Qualifications

• Academic qualifications in a relevant construction or engineering discipline.
• Professional certification preferred (e.g., Chartered Engineer, construction‑related accreditation).
• Additional European languages beneficial but not required.

What We Offer

We provide development pathways, accreditation opportunities, and continuous learning to support employees in performing at their best. In addition to competitive salaries and incentive plans, Colt DCS offers a comprehensive benefits package designed to promote well‑being and work–life balance.