About The Role

About the roleWe 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 descriptionThe MEP Design Engineer is responsible for the design and technical development of mechanical, electrical, and plumbing systems for the company's critical infrastructure facilities. The engineer ensures design solutions meet reliability requirements, target energy efficiency metrics, and applicable regulatory requirements.ResponsibilitiesDevelop and review electrical distribution design (MV/LV distribution, UPS, diesel generators, BESS)Design cooling and ventilation systems (chillers, dry coolers, water towers; liquid cooling where applicable)Coordinate modular architecture and its integration with MEP infrastructureDevelop gas fire suppression, ventilation, and OT-IT integration (BMS/DCIM) systemsReview design documentation from suppliers and partners, flag risks and discrepanciesEnsure design compliance with regulatory requirementsPrepare and maintain the Basis of Design document and technical specificationsParticipate in tender processes and vendor proposal evaluation (generators, UPS, chillers, switchgear)Coordinate with the IT Infrastructure team to align cooling and power requirementsRequired experience5+ years of MEP design experience for critical infrastructure or heavy industry facilities (data centers, industrial plants, energy, telecom infrastructure, etc.)Experience designing cooling/ventilation systems (traditional HVAC experience is sufficient)Proficiency with AutoCAD/Revit and engineering calculation softwareEnglish proficiency sufficient for international project documentationNice to HaveExperience with Tier III/IV certified facilitiesExperience designing direct liquid cooling (DLC) systems or high-density clustersKnowledge of EU/Polish electrical and fire safety codesExperience with NVIDIA GB200-GB300 infrastructurePolish language skillsExperience on greenfield/brownfield construction-phase projects