Description As a DCEO: Engineering Operations Technician – Water Engineer at AWS, you will be responsible of ensuring the seamless operation and optimization of water treatment systems and chemical processes across our data center fleet. This role combines expertise in water chemistry, treatment systems, and infrastructure management to ensure the reliable operation of AWS data centers.
We are looking for a Water Utilities Engineer to join the Operations Team within our Utilities Team at the ZAZ cluster. Design & Engineering
Coordinate with design engineering teams on system specifications
Review construction documents and provide technical guidance
Manage preventative maintenance programs
Monitor system performance and establish benchmarks
Coordinate with operations managers and field engineering teams
Review of procedures (SOPs/MOPs/EOPs), support compliance with integral policies, and maintain accurate records of equipment status, incidents, and maintenance activities.
We are the Engineering Operations Water Utilities Team, an Infrastructure Operations team dedicated to the water treatment and distribution systems of the AWS data center campus. Our mission is to ensure that the water utility systems supporting the cluster — including cooling circuits, process water, chemical treatment, and hydraulic infrastructure — operate reliably, safely, and efficiently.



We work in close coordination with construction, commissioning, design, mechanical teams, and external water utility providers. You'll join a team of skilled technicians and engineers committed to continuous improvement, safety excellence, quality compliance, and operational resilience. Together, we're building and maintaining the critical infrastructure that keeps innovation running for customers globally.
Experience in English-language communication skills, both written and verbal
Experience with industrial water system design and operation
Knowledge of hydraulic systems, fluid mechanics, and water distribution network design
Understanding of mechanical engineering principles applied to water infrastructure (pumps, valves, heat exchangers, piping)
Experience working in data centers or critical infrastructure
Familiarity with building management systems and controls
Experience with performance-based design alternatives
Background in mechanical maintenance of industrial water systems (cooling towers, boilers, chilled water loops)
Speak, write, and read fluently in Spanish and English (required for local regulatory and contractor interaction)
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📌 Engineering Operations Technician (Aragón)
🏢 Amazon
📍 Aragón