What if your next role gave you the opportunity to lead critical operations at the heart of a Mission Critical Data Centre?

Summary/Objective

STACK is seeking an experienced and motivated Critical Operations Manager to support the Senior Critical Operations Manager in leading the on-site Critical Operations function, including the Facilities Management team. The role focuses on safety, team performance, availability, communication and knowledge, and reports to the Senior Critical Operations Manager.

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.

Key Responsibilities

As Critical Operations Manager, you’ll help lead the in office Critical Operations function, balancing operational reliability, safety, customer commitments and team performance across a 24/7 environment.

You’ll:

- Lead a consistent culture of safe working across Critical Operations.

- Own site incident and problem management frameworks across shifts and disciplines.

- Assume incident management responsibilities, make risk-based operational decisions and manage escalation.

- Drive high-quality PIR/RCA processes and ensure corrective actions are tracked through to completion.

- Maintain the site risk register and facilitate regular risk management reviews.

- Report on incidents, problem management, changes, corrective actions and project delivery in line with customer SLAs and STACK requirements.

- Oversee operation, maintenance and repair of Mission Critical equipment and systems supporting 100% uptime.

- Govern minor and medium works, balancing operational risk, customer commitments and competing priorities.

- Review work method statements, outage windows, operational risk and customer impacts.





- Support operational readiness and acceptance of new assets and systems into business-as-usual operations.

- Develop, implement and audit local operating procedures and processes.

- Review MOPs, SOPs, EOPs, incident reports, emergency event summaries and RCA documentation.

- Manage planned works scheduling and present schedules to customers for approval.

- Oversee maintenance contractors, service providers and assigned projects.

- Support vendor relationships and periodic performance reviews.

- Work closely with Facilities Management to identify root causes and implement corrective actions.

- Build customer confidence through operational updates, presentations and clear communication.

- Support the Senior Critical Operations Manager with team development, coaching and performance management.

- Promote safety, employee wellbeing and compliance with permit, risk assessment, SWMS and PPE requirements.

- Conduct site safety and hazard inspections and ensure hazards, near misses and incidents are appropriately reported.

What You’ll Bring

You’re an experienced operational leader who can bring structure, sound judgement and calm decision-making to a fast-paced Mission Critical environment.

You’ll bring:

- Proven capability within the critical services industry.

- Experience leading, motivating and directing technicians and operational teams.

- Strong written and verbal communication skills.





- The ability to manage multiple priorities and remain effective under pressure.

- Knowledge of critical Data Centre electrical and mechanical systems, including UPS, transformers, PDUs, RPPs, chillers, CRAH/CRAC units, STS, ATS and fire detection and suppression systems.

- Experience with Data Centre trending, analysis and PC-based monitoring systems.

- Experience using CMMS and Incident Management platforms.

- Strong customer and stakeholder communication skills.

- Experience coordinating, supervising and communicating with maintenance contractors.

- A strong team orientation and collaborative leadership style.

- A Bachelor's degree or equivalent work experience.

- Technical education or training in electrical, electronic, communications, IT or mechanical trades is advantageous.

- Willingness to work outside normal business hours, including weekends, late nights, public holidays and on-call support.

- Comfort working in a high-stress, fast-paced environment with changing priorities.

- Ability to attain and hold NV1 security clearance.

- Willingness to travel between the Data Centre, Melbourne head office and other STACK facilities in Australia or internationally when required.

Equal Opportunity Employer

STACK provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruitment, hiring, placement, promotion, termination, redundancy, recall, transfer, leaves of absence, compensation and training.

📌 Data Center Critical Operations Manager (Truganina)
🏢 STACK Infrastructure Australia
📍 Truganina