About Us

We are a French company specializing in the development and operation of critical computing infrastructures, with a focus on hyperdense data centers dedicated to artificial intelligence.

Sesterce was built on a clear conviction: Europe needs sovereign, high-performance, and decarbonized AI infrastructure. In full growth mode, our mission is to design, build, and operate next-generation computing campuses across France and internationally. Our solutions power the most demanding AI workloads for leading clients in the industry.

To strengthen our Development & Engineering team, we are looking for a structured, autonomous, and technically sharp Datacenter Project Manager.

Your Responsibilities

Project Management & Coordination

• Lead datacenter development projects from feasibility to commissioning
• Build and maintain detailed schedules (Gantt, critical milestones) and budgets
• Coordinate internal (technical, commercial, legal, finance) and external (architects, engineers, contractors, vendors) stakeholders
• Run site and project meetings; write minutes and ensure reporting to management
• Identify and proactively manage risks; define and implement mitigation plans

Development & Feasibility

• Conduct technical, economic and regulatory feasibility studies for new sites
• Lead administrative procedures (building permits, impact studies, electrical connections)
• Evaluate alternative technical solutions and arbitrate on architecture choices
• Participate in vendor and contractor negotiations

Critical Infrastructure

• Oversee integration of critical infrastructure: HV/LV power distribution, generators, UPS, cooling (CRAC/CRAH/free-cooling)
• Ensure performance compliance and quality control of delivered infrastructure
• Coordinate commissioning and testing phases

Certifications & Compliance

• Ensure compliance with standards and certifications (ISO 27001, ISO 50001, Uptime Institute Tier, EN 50600)
• Contribute to sustainability approach (PUE, WUE, decarbonization)

Commercialization

• Contribute to defining commercial offers (colocation, HPC, bare-metal GPU)
• Participate in client technical presentations and RFI/RFP responses

Your Profile

Education & Experience

• Master's degree in engineering (electrical, civil, mechanical, or IT/networks)
• 2–5 years in datacenter project management or critical infrastructure
• Knowledge of datacenter standards (Tier, EN 50600, ISO)
• Project management skills (PMP, Prince2 a plus)

Technical Skills

• Understanding of critical infrastructure: power, cooling, connectivity
• Familiarity with project management tools (MS Project, Primavera, or equivalent)

Personal Qualities

• Rigorous, structured, autonomous, with excellent communication skills
• Comfortable managing multiple stakeholders in a fast-paced environment

Languages

• English: C1 required
• French: fluent; additional languages are a plus

Why Join Us?

• Lead the construction of next-generation AI infrastructure campuses across France and internationally
• Work on critical projects with real impact: data centers powering the AI revolution
• Coordinate complex multi-disciplinary teams in a technically cutting-edge environment
• Fast-track career growth in one of Europe's most ambitious infrastructure companies
• Competitive package: base salary, health insurance, meal vouchers, transportation

How to Apply

• Send your application (resume + cover letter) to: hr@sesterce.com
• Please use the reference "DC-PM-MRS" in the subject line of your email.