Data Center Facility Engineer, Data Center Engineering Operations

AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help. Key job responsibilities • Install, maintain, and repair pipework, fittings, valves, and manifolds across cooling distribution loops, chilled water systems, and condenser water circuits • Operate and maintain air handling units (AHUs), chillers, cooling towers, evaporative cooling systems, and liquid cooling infrastructure • Perform pressure testing, leak detection, and system integrity checks on pressurised water circuits • Manage water treatment programmes in line with ACOP L8 and HSG274 requirements, including legionella risk assessments, temperature monitoring, chemical dosing, and biocide application • Maintain and troubleshoot pumps, heat exchangers, coolant distribution units (CDUs), and associated mechanical components • Monitor thermal performance of cooling systems and identify opportunities to optimise flow rates, delta-T, and energy efficiency • Support commissioning and decommissioning of mechanical cooling infrastructure during capacity additions • Perform routine preventive maintenance on mechanical assets including filter changes, belt replacements, pump seal replacements, bearing inspections, and valve servicing • Respond to alarms and incidents related to leaks, pressure anomalies, thermal exceedances, or water quality deviations within SLA • Maintain accurate records of maintenance activities, water treatment logs, system parameters, and defect logs • Collaborate with controls engineers on BMS/SCADA integration for mechanical plant monitoring • Adhere to all site safety procedures including permit-to-work, LOTO, and working at height protocols • Work safely at all times, following risk assessments, method statements, and safe systems of work (SSOW) for all maintenance and operational activities • Support continuous improvement initiatives to enhance system reliability and reduce mean time to repair A day in the life Diverse Experiences AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying. Why AWS? Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Inclusive Team Culture Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship & Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional. Work/Life Balance We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at