What if your next role put you in the driver’s seat on shift, leading the technical team that protects a Mission Critical Data Centre?

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 transparent, timely and professional.

Key Responsibilities As the senior technical authority on shift, you’ll combine advanced technical capability with team leadership to maintain safe, stable and reliable operation across STACK’s critical infrastructure.

You’ll:

Lead the on-shift team and provide advanced technical oversight of critical plant.

Maintain real-time awareness of electrical, mechanical and controls systems through BMS/EPMS and field observations.

Act as the senior technical escalation point for Senior Critical Operations Technicians and Critical Operations Technicians.

Provide real-time guidance, diagnostic support and risk evaluation during operational events.

Lead or support first-response incident actions, including stabilisation, containment and technical communication.

Perform advanced diagnostics across telemetry, protection responses, redundancy changes and thermal behaviours.

Verify operational readiness following maintenance, resets,



system changes and commissioning activities.

Provide technical direction during planned maintenance, shutdowns, functional testing and energisation activities.

Review risk assessments, switching plans, permits, isolations/LOTO and return-to-service documentation within authorised scope.

Conduct enhanced rounds focused on redundancy, automation, generator/UPS coordination, thermal stability and plant performance.

Coordinate vendors during shift and verify correct system configuration following maintenance.

Identify recurring faults, capacity constraints, systemic risks and design issues and elevate appropriately.

Improve SOPs, MOPs, EOPs, shift logs, CMMS data quality, handovers and alarm-handling processes.

Support reliability investigations, post-event reviews and continuous improvement initiatives.

Represent Critical Operations during customer visits, tours, audits and technical discussions.

This role provides advanced operational expertise, oversight and technical authority. It does not perform licensed electrical, mechanical or refrigeration work. All trade-restricted work is completed by appropriately licensed personnel or specialist contractors.

What You’ll Bring You’ll be a technically strong and confident operational leader who can make sound decisions under pressure, communicate clearly and guide others through complex Mission Critical events.

Your experience may come from Data Centres or other Mission Critical environments, including utilities, hospitals, Defence or industrial facilities.

You’ll bring:

Extensive experience in Data Centres or comparable Mission Critical facilities.

Demonstrated expertise operating and mon

📌 Senior Data Center Specialist (Melbourne)
🏢 Stack Infrastructure
📍 Melbourne