Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

The Commercial Manager (Client-Side) will take full commercial responsibility across all work packages on a major data centre project based in Northampton. This role covers the full project lifecycle, including civils, structural, architectural, and MEP elements.

The position involves managing overall project costs, contracts, procurement strategies, and financial risk from a client-side perspective, ensuring the project is delivered on budget and in line with strategic and contractual objectives. Working closely with project leadership, consultants, and supply chain partners, the successful candidate will play a key role in maintaining robust commercial governance and maximising value across the entire development.

Key Responsibilities

Commercial Management

• Lead all commercial aspects of the project from pre-construction through to final account

• Develop and manage overall project budgets, cost plans, and financial forecasts

• Monitor financial performance and provide accurate reporting to senior stakeholders and investors

• Ensure effective cost control across all disciplines (civils, structural, architectural, and MEP)

• Drive value optimisation and cost efficiency across the project lifecycle

Contract Administration

• Oversee and manage all project contracts (e.g., NEC, JCT, FIDIC, or bespoke forms)

• Lead procurement and commercial structuring of major trade packages

• Administer variations, claims, and change control processes across all workstreams

• Ensure contractual compliance and proactively manage commercial risk

Procurement & Supply Chain

• Develop and implement procurement strategies aligned with client objectives

• Manage tendering processes, including evaluation and negotiation of contractor and supplier bids

• Oversee appointment of principal contractors, consultants, and key suppliers

• Ensure alignment between procurement, cost, and programme requirements

Risk & Value Management

• Identify, manage, and mitigate commercial and financial risks across the project

• Lead value engineering and cost-saving initiatives without compromising quality or programme

• Manage and resolve complex commercial issues, disputes, and claims

Stakeholder Coordination

• Act as the key commercial interface for the client with contractors, consultants, and external stakeholders

• Collaborate with project managers, planners, engineers, and legal teams to align commercial and delivery objectives

• Provide strategic commercial advice to senior client stakeholders

Reporting & Controls

• Prepare and present monthly cost reports, cash flow forecasts, and financial updates

• Track committed vs actual expenditure across all packages

• Ensure robust commercial governance, audit trails, and reporting processes are in place

• Maintain accurate records of contracts, changes, and commercial communications

Key Requirements

Experience

• 10+ years’ experience in commercial management within construction or major infrastructure projects

• Proven experience in a client-side or developer role

• Experience delivering large-scale or mission-critical projects such as data centres, industrial, or complex builds

Technical Knowledge

• Strong understanding of full project delivery (civils, structural, architectural, and MEP systems)

• Familiarity with standard forms of contract (NEC, JCT, FIDIC)

• In-depth knowledge of cost planning, procurement strategies, and financial controls

Skills

• Strong commercial acumen and high-level negotiation capability

• Excellent financial management and analytical skills

• Effective stakeholder management at senior level

• Ability to operate in a fast-paced, high-value project environment

Qualifications

• Degree in Quantity Surveying, Commercial Management, Construction Management, or related field

• Professional membership (e.g., RICS or equivalent) highly desirable

Working Arrangements

Flights / Travel provided

Accommodation provided near project site

Competitive day rate / salary depending on experience

Opportunity to work on a high-profile data centre development

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.