Critical Services Technician - Data Centre Operations (m/f/d)

JLL empowers you to shape a brighter way .   Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. JLL supports the Whole You, personally and professionally. At JLL, we shape the future of real estate for a better world. As a Fortune 500 company with annual revenue of $20.9 billion, operations in over 80 countries and a global workforce of more than 113,000, we create spaces, buildings, and cities where everyone can thrive. We are committed to our clients, our people, and our communities to build a better tomorrow through the power of real estate. Our values of teamwork, ethics, and excellence are at the heart of everything we do. We foster an inclusive culture where diverse backgrounds, experiences, and ideas lead to innovative solutions for our clients. At JLL, we believe in supporting our people's growth and wellbeing, because when our people thrive, so does our business and the communities we serve. Critical Services Technician - Data Centre Operations (m/f/d) Role Summary Critical 24/7 operational role ensuring availability and performance of mission-critical data centre infrastructure at one of our new client’s facilities. Responsible for monitoring, maintenance, incident response, and compliance with German data centre standards. Location:  Frankfurt am Main   Employment Type:  Full-time, Permanent (24/7 including weekends/holidays)   Key Responsibilities Infrastructure Monitoring Monitor critical systems via BMS/DCIM platforms (power, UPS, cooling, fire protection, security) Track environmental parameters and system performance in real-time Document all activities and deviations in shift logs Maintenance & Inspections Conduct structured inspection rounds every 2-4 hours Perform visual/functional checks of UPS, generators, HVAC, electrical systems Execute minor preventive maintenance tasks Support planned maintenance activities Incident Response Respond immediately to alarms and system faults Perform initial diagnostics and implement emergency protocols Coordinate with external service providers Escalate critical issues per established procedures Document incidents in ticketing systems (ServiceNow, JIRA) Documentation & Communication Complete detailed shift handover reports Maintain compliance documentation (DIN EN 50600, ISO 27001) Communicate with customers regarding incidents/maintenance Coordinate with Security, IT, and Facilities teams Compliance & Safety Enforce security protocols and access control Ensure compliance with DGUV, VDE, BDSG/GDPR requirements Participate in safety drills and report hazards Essential Requirements Education & Certifications Required: Completed Ausbildung in: Elektroniker für Betriebstechnik, Mechatroniker, Anlagenmechaniker für SHK, or comparable Elektrofachkraft certification (or willing to obtain within probation) First Aid certification (valid within 2 years) Fire Safety Officer training (Brandschutzhelfer) Valid Class B driving license Technical Knowledge Electrical power distribution systems (low/medium voltage) HVAC and climate control technology UPS systems, battery banks, emergency generators Basic IT infrastructure (servers, network equipment) Understanding of Tier III/IV critical infrastructure concepts Language Proficiency Technical terminology proficiency in German Personal Competencies Independent worker with strong problem-solving skills Team-oriented with excellent communication High stress tolerance and calm under pressure Reliable, punctual, flexible with shift changes Minimum 1-2 years