Job Location: Zaragoza Microsoft Cloud Operations and Innovation (CO&I) is the team behind the cloud. Within CO&I, the Datacenter Engineering (DCE) team is responsible for delivering core datacenter infrastructure for Microsofts cloud business. The MS portfolio consists of complex, multi disciplinary, large scale, multi year datacenter construction projects. We are looking for a passionate, high energy individual to help build the cloud datacenters that power the worlds largest online services. This Senior Mechanical Engineer position will fulfill an on site role at Microsofts Zaragoza datacenter cus supporting ongoing construction activities. This role will serve as a daily on site presence to review progress and support quality design of multiple concurrent datacenter builds. The position will be responsible for monitoring progress for compliance with construction documents from initial stages through commissioning and work closely with the engineering, procurement, controls and construction teams. Additionally, this role will provide project management, technical direction, decision making and overall leadership on behalf of engineering throughout the construction lifecycle up to and including the turnover to Microsoft Datacenter Operations. As such they will support multi discipline coordination, issue identification and resolution, continuous improvement efforts, and the ongoing documentation of project learnings for incorporation into future designs. In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day. Microsofts mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. Responsibilities Core Responsibilities: Serve as the on site Mechanical engineering and project management representative throughout construction of a multi year datacenter cus development. Perform regular site walks to observe progress, review construction vs design intent, and flag potential concerns for engineering review. Close working relationship with all MSFT site personnel attending construction based quality and assurance meetings, attend schedule and milestone review sessions, close monitoring of Mechanical and BAS related risk items with the appointed design AE (Architect/Engineer) Consultant SMEs. Review construction drawings, specifications, design guides/standards, sequences of operation, and commissioning documents for technical compliance. Support submittal review, RFI responses, and commissioning activities. Facilitate timely response and enable seamless project execution. Capabilities Ability to review construction drawings, project