CAPEX Buyer (H/F)

DATA4'S MISSION
DATA4 creates Smart & Scalable digital facilities for our customers. Our network of highly connected, resilient, and sustainable data center campuses underpins our customers’ digital growth in Europe.

DATA4 Group finances, designs, constructs, and operates its own data centers. Delivered through our data center campus model, we provide our customers with secure, scalable, and high-performance data hosting solutions.

DATA4 VALUES
At DATA4 we are driven by our values. These are the core of everything we do – from the proactivity we show in delivering great outcomes for our clients, to the responsibility we show as a key contributor to the digital economy. Our three values are :

To be entrepreneurial – we are teams of doers who make things happen - with autonomy, energy and a sense of responsibility.

To always take responsibility – for our impact on the people we work with, the society we are part of, and the environment in which we operate.

To constantly be adaptable – our business is designed to adapt, answering not only today’s challenges, but also anticipating what’s coming next

About The Role
The Buyer – Construction is responsible for the strategic sourcing, procurement, and contract management of all purchasing aspects related to data center construction—including civil works, building, critical equipment, and intellectual services. Reporting to the Group Procurement Manager, you will drive timely, cost-effective procurement that aligns with both project objectives and the group’s strategic and environmental goals.

The Role will typically include:

Negotiate and manage supplier contracts and framework agreements with strategic suppliers to secure top-quality materials and services, mitigate risks, ensure compliance with corporate governance, and enhance the resilience of our value chain.

Work closely with project managers, engineers, and cross-functional teams across multiple countries to optimize project outcomes through proactive engagement.

Driving sustainability across the supply chain by integrating CSR and ethical practices into all procurement process and decisions.

Key Responsibilities:

Strategic Sourcing & Supplier Management

Define and implement procurement strategies for the assigned categories, including civil and construction works, equipment, and intellectual services, fully aligned with the group’s procurement strategy and objectives.

Identify, evaluate, and onboard new suppliers to diversify and enrich the network.

Conduct continuous market intelligence to anticipate trends and mitigate risks.

Identify and leverage opportunities to create procurement synergies across our diverse construction projects in European markets.

Establish and nurture strong relationships with strategic suppliers through clear communication and collaboration, while continuously monitoring their performance through regular evaluations to ensure contract compliance and quality standards and taking timely corrective actions when needed.

Tendering and Contract Negotiation

Lead RFx processes and tenders for the assigned categories in close collaboration with internal stakeholders.

Negotiate, jointly with legal team and internal business stakeholders, advantageous contracts, including strategic framework agreements, while ensuring compliance with legal requirements and corporate policies and governance.

Manage contracts and monitor supplier performance, ensuring alignment between contractual services and actual deliverables while driving continuous improvement.

Budget Management and Cost Control

Monitor and manage procurement budgets to ensure cost-effective purchasing practices.

Identify and implement cost-saving opportunities without compromising quality.

Provide regular financial reports on procurement activities and budget adherence.

Compliance, Risk Management & Reporting

Ensure all procurement activities comply with internal policies, industry regulations, and ethical standards.

Identify potential risks in the supply chain and develop appropriate mitigation strategies.

Distribute comprehensive reports to support informed decision-making and maintain accurate records of all procurement transactions and supplier communications.

Qualifications

Bachelor’s or master’s degree in Procurement, Engineering, Project Management.

Relevant experience in a similar Procurement role with a deep understanding of the industry, Knowledge of the data center sector and construction industry is essential.

Demonstrable delivery of cost and capital expenditure savings to meet targets.

Familiarity with the OFCI (Owner-Furnished, Contractor-Installed) approach is a plus.

Proven experience in managing international tenders and negotiating complex contracts.

Deep understanding of construction markets, technical equipment, and intellectual services procurement.

Proficient in cost analysis (TCO, should-cost analysis) and risk management.

Strong knowledge of FIDIC, NEC, or equivalent contractual frameworks.

High ethical standards and integrity, ensuring compliance and responsible decision-making.

Resilient under pressure with a proven ability to meet tight deadlines.

Fluent in both English and French.

Working Conditions:

This position may require occasional travel to supplier locations and construction sites across Europe.

Hybrid role: 3 days in the office (Marcoussis) / 2 days at home