Company Overview

STACK Infrastructure builds, owns, and operates hyperscale and colocation data centers that power the world’s most ambitious technology companies. With a rapidly expanding footprint across APAC, STACK combines deep development expertise, flexible capital, and operational discipline to deliver critical digital infrastructure at scale. Our clients include the largest hyperscale cloud platforms. We are building a regional platform defined by speed of delivery, power reliability, and long-term partnership — and we are assembling the team to lead that effort. Summary/Objective

The Senior Data Center Specialist
- Shift Lead (SDCS Shift Lead) is the most senior on-shift technical authority and shift lead within the 24/7 Critical Operations team. This role leads a team of Senior Critical Operations Technicians and Critical Operations Technicians, providing deep technical expertise, operational assurance, leadership in incident response and oversight of plant stability across all electrical, mechanical, controls and life-safety systems. The SDCS Shift Lead applies high-level technical judgement, disciplined risk management, real-time plant monitoring and structured fault response. The role leads and validates the quality of work completed by Senior Critical Operations Technicians and Critical Operations Technicians, enforces authorised operating boundaries and ensures critical infrastructure is operated safely, accurately and consistently. The SDCS Shift Lead acts as the on-shift team lead and senior technical point of contact for the Critical Operations Supervisors, Senior Critical Operations Technicians and Critical Operations Technicians, providing high-quality escalation context, analysis and operational recommendations. This role directly supports STACK’s commitment to

100% uptime

and a





concierge-level customer service experience , ensuring risk is proactively managed, planned works are executed safely, and customer communications are clear, timely and professional. Essential Functions Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions. Critical Operations
• Uphold STACK’s 100% uptime objective by leading the on-shift team and providing advanced technical oversight, disciplined operational control and proactive plant monitoring.
• Maintain real-time situational awareness of critical electrical, mechanical and controls systems, identifying weak signals, anomalies and developing risks through BMS/EPMS and field observations.
• Act as the Shift Lead and senior technical escalation point for Senior Critical Operations Technicians and Critical Operations Technicians, providing real-time guidance, diagnostic support and risk evaluation.
• Lead or support first-response incident actions for the on-shift team, including stabilisation, containment decisions, technical communication and event documentation.
• Perform advanced diagnostics on abnormal conditions, including interpretation of telemetry, protection responses, redundancy shifts and thermal behaviours.
• Verify operational readiness following maintenance, resets, system changes or commissioning activities by confirming alarms, redundancy status, load paths and control sequences.




• Provide technical direction to Senior Critical Operations Technicians and Critical Operations Technicians during planned maintenance, shutdowns, functional testing and energisations to ensure safe execution aligned to SOPs, MOPs and EOPs.
• Review and provide input into risk assessments, switching plans, permit-to-work controls, isolations/LOTO and return-to-service documentation within authorised scope.
• Conduct targeted enhanced rounds focusing on redundancy health, automation behaviour, generator/UPS coordination, thermal stability and plant performance.
• Coordinate vendor activities during shift, ensuring protected execution, alignment to site requirements and correct system configuration after maintenance.
• Identify systemic risks, recurring faults, capacity constraints and design issues, and escalate to Critical Operations Supervisors, the Site Director and engineering stakeholders.
• Improve operational documentation, including SOPs, MOPs, EOPs, shift logs, CMMS data quality, handover standards and alarm-handling procedures.
• Support reliability investigations, post-event reviews and continuous improvement initiatives by providing detailed technical insights.
• Provide advanced operational expertise, oversight and technical authority. This role does not perform licensed electrical, mechanical or refrigeration work. All trade-restricted work is completed by appropriately licensed personnel or specialist contractors. People
• Model outstanding safety behaviour, operational discipline and professional conduct as the Shift Lead across the shift.
• Lead, coach, uplift and technically mentor Senior Critical Operations Technicians and Critical Operations Technic

📌 Senior 24/7 Data Center Operations Lead (Melbourne)
🏢 STACK Infrastructure APAC
📍 Melbourne