This is a senior technical leadership role suited to an engineering professional who thrives in complex, fast-paced environments and enjoys driving consistency, technical quality, and fit-for-purpose engineering decisions across large-scale infrastructure programs. You will lead a distributed team of OEM and product engineering specialists focused on improving engineering standardisation, supporting technical evaluations, strengthening OEM engagement, and ensuring engineered systems are operationally reliable, scalable, and commercially effective. You will work closely with Technology, Design, Procurement, Construction, Commissioning, and Operations teams, as well as external OEM and vendor partners, to support high-quality engineering outcomes across DayOne’s expanding global portfolio What You’ll Do OEM Engineering & Product Evaluation Lead technical evaluations of OEM equipment and engineered systems across critical infrastructure projects Ensure equipment selections align with operational, reliability, scalability, and lifecycle requirements Support fit-for-purpose engineering decisions and help reduce unnecessary complexity or over-specification Review technical submissions including datasheets, drawings, configurations, and testing documentation Support technical issue resolution and engineering deviation reviews where required Engineering Standards & Standardisation Support the development and maintenance of engineering standards, technical specifications, and OEM configuration baselines Drive consistency and repeatability across projects and regions Work with engineering and operations teams to improve product standardisation and engineering quality Help translate operational requirements into clear vendor-ready technical specifications OEM & Vendor Management Build strong working relationships with OEMs, manufacturers, and technical vendors Support vendor technical evaluations, bid reviews, and product assessments Partner with Procurement and Engineering teams during equipment selection and technical review processes Promote strong technical governance, documentation quality, and vendor accountability Testing, Quality & Commissioning Support Support FAT/SAT planning and equipment validation activities Partner with commissioning and operations teams to help resolve technical issues and improve reliability outcomes Capture lessons learned and support continuous improvement initiatives across standards and product configurations Leadership & Team Development Lead and develop a distributed team of OEM and product engineering specialists Establish effective operating rhythms, technical review processes, and team collaboration practices Promote a pragmatic, solutions-oriented, and technically rigorous team culture Support capability development across engineering evaluation and product engineering disciplines Continuous Improvement & Optimisation Identify opportunities to simplify equipment configurations and improve engineering consistency Support initiatives focused on reliability, maintainability, scalability, and operational efficiency Contribute to cost optimisation efforts through improved standardisation and specification clarity Systems & Equipment Scope You will support engineering activities across a range of mission-critical systems, including: High Voltage (HV) systems Medium Voltage (MV) systems Low Voltage (LV) systems UPS and backup power systems Generators and critical power infrastructure Cooling and thermal management systems Controls and monitoring systems Fire detection and life safety systems Mechanical and electrical plant infrastructure What Success Looks Like Improved consistency in OEM technical evaluations and equipment selection Stronger engineering standardisation across projects and regions Reduced configuration variability and unnecessary complexity Improved collaboration with OEM and vendor partners Increased engineering quality and operational reliability Strong technical support for delivery and operations teams What We’re Looking For 10+ years of experience within OEM engineering, product engineering, mission-critical infrastructure, or related technical environments Experience working within data centres, critical infrastructure, industrial, utilities, or large-scale engineering environments strongly preferred Experience working with OEMs, manufacturers, and technical vendors Strong experience reviewing technical submittals, engineering documentation, specifications, and testi…