STACK is a trusted global partner in digital infrastructure, delivering scalable, AI/ML and Cloud data center solutions to tackle global challenges with speed, scale, certainty, and responsibility. With a client-first focus, conscientious development and operational practices, we empower innovative companies to tackle their demand curve.
General Purpose of the Position
As a Critical Operations Engineer (COE), you are a business-hours-based technical specialist providing engineering depth, governance, and reliability focus to support safe operations, asset performance, and lifecycle management across STACK EMEA Data Centers. You will maintain and govern high-quality operating procedures and ensure disciplined change execution with proper planning, prerequisites, and acceptance criteria. You will provide technical oversight of vendor maintenance and installations, contribute to incident management through diagnosis, recovery planning, and corrective actions, and embed lessons learned into procedures and preventive maintenance.
Key Responsibilities
* Create, review, maintain, and improve SMPs, SOPs, MOPs, and EOPs, ensuring technical accuracy, risk controls, monitoring points, rollback/recovery steps, acceptance criteria, and evidence requirements
* Ensure procedure quality and maintain strict document control discipline
* Lead or support pre-job briefs and method reviews, verifying all prerequisites (spares, tools, isolations, monitoring, communications/escalation, rollback) before execution
* Support PM planning and optimisation, including task quality, frequencies, compliance, and elimination of recurring defects through structured reviews and lessons learned
* Support identification of critical spares, spares strategy, and vendor repair workflows for key assets
* Maintain high-quality technical records to support KPIs, audits, and customer assurance
* Provide technical oversight of vendors and contractors for maintenance, repairs, and installations, validating methods, test results, and close-out evidence
* Deliver technical diagnosis and recovery planning for complex issues, supporting stabilization and restoration activities
* Provide coaching and technical guidance to technicians and operations teams, contributing to training materials, competency development, and scenario drill preparation
Required Skills and Background
* Experience in facilities, operations, or engineering within mission-critical environments; Data Center or hyperscale experience preferred
* Competence in operating, maintaining, and troubleshooting complex M&E systems, including UPS, generators, LV distribution, transformers, cooling systems, controls/monitoring, and fire/life safety interfaces
* Strong understanding of safe systems of work, risk controls, and disciplined change execution in live operational environments
* Proficient with monitoring platforms (BMS/SCADA, EPMS/DCIM desirable) and OMS workflow discipline
* Ability to read, interpret, and explain electrical single-line diagrams and system schematics accurately
* Skilled in analysing technical problems
* Good command of written and spoken English
* Excellent organisation, prioritisation, and stakeholder management skills
* Continuous improvement mindset with focus on standardisation and raising engineering governance standards
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