MEP Design Engineer

Job description

## **About the role** We are hiring a **MEP Design Engineer** for our client — a company building a large-scale AI data center (with a planned capacity of **300 MW**) in Poland, on a site currently undergoing active reconstruction into modern technological infrastructure. The first phase, with a capacity of **50 MW**, is planned to go live this year. ## Role description The **MEP Design Engineer** is responsible for the design and technical development of **mechanical, electrical, and plumbing systems** for the company's **data centers**. The engineer ensures design solutions meet reliability requirements, target energy efficiency metrics, and applicable regulatory requirements. ## Responsibilities - Develop and review **electrical distribution design** (MV/LV distribution, UPS, diesel generators, BESS) - Design **cooling systems**, including **high-density/DLC (direct liquid cooling)** architecture, dry coolers, chillers, water towers, CDUs - Coordinate modular architecture and its integration with MEP infrastructure - Develop gas fire suppression, ventilation, and OT-IT integration (BMS/DCIM) systems - Review design documentation from suppliers and partners, flag risks and discrepancies - Ensure design compliance with regulatory requirements - Prepare and maintain the **Basis of Design** document and technical specifications - Participate in tender processes and vendor proposal evaluation (generators, UPS, chillers, switchgear) - Coordinate with the IT Infrastructure team to align cooling and power requirements ## Required experience - **5+ years of MEP design experience specifically for data centers** - Hands-on experience with **Tier III/IV** systems - Experience with **power architecture** design (MV/LV distribution, UPS, backup power) - Experience designing **high-density liquid-cooled (DLC)** systems or clusters - Proficiency with **AutoCAD/Revit** and engineering calculation software - **English proficiency** sufficient for international project documentation ## Nice to Have - Experience with **NVIDIA GB200-GB300** infrastructure - Knowledge of **EU/Polish electrical and fire safety codes** - **Polish** language skills - Experience on greenfield/brownfield construction-phase projects