Your Opportunity

The Senior Mechanical Engineer provides technical leadership and engineering assurance across TPG Telecom's telecommunications Data Centre and MTX facilities, with a particular focus on critical mechanical infrastructure, cooling systems, environmental resilience and facility performance.

The role provides expert challenge and oversight of mechanical, HVAC, cooling and specialist facilities service providers to ensure TPG maintains sufficient internal capability to make informed engineering decisions regarding critical data centre infrastructure assets.

You'll Make Impact By

- Act as the technical authority for critical mechanical, cooling and environmental infrastructure across telecommunications Data Centre and MTX environments.
- Maintain, develop and continuously improve mechanical engineering standards, technical requirements, maintenance practices and operational guidance for: CRAC, CRAH and precision cooling systems
- Chilled water systems, pumps, valves and associated mechanical plant
- Air handling units, ventilation and airflow management
- Heat rejection systems, condensers and cooling towers
- Building management systems and environmental monitoring
- Fire, hydraulic and mechanical support systems relevant to data centre operations
- Mechanical redundancy, resilience and capacity management
- Ensure mechanical engineering decisions align with telecommunications data centre requirements, manufacturer standards, safety obligations and industry best practice.
- Act as TPG Telecom's mechanical engineering representative in technical engagements with HVAC, cooling, mechanical plant and specialist data centre service providers.
- Provide technical oversight and assurance of preventative maintenance programs delivered across telecommunications Data Centre and MTX mechanical infrastructure.
- Lead asset criticality assessments and reliability reviews across critical mechanical, cooling and environmental infrastructure, providing leadership visibility of these reviews, findings and outcomes.[CR1.1]
- Act as the technical custodian of cooling, HVAC and mechanical asset health standards across telecommunications Data Centre and MTX environments.
- Develop and maintain lifecycle strategies and asset management plans for critical mechanical,



cooling and facilities infrastructure.
- Develop long-term infrastructure roadmaps for MTX and Data Centre facilities.
- Lead technical investigations into significant cooling, HVAC, environmental, fire, hydraulic and facilities-related incidents.
- Develop mechanical asset reliability, cooling resilience and environmental performance improvement plans across the Data Centre and MTX estate.

What You’ll Bring

- Degree qualification in Mechanical Engineering or a related engineering discipline.
- 10+ years' experience managing critical mechanical, cooling or facilities infrastructure within telecommunications, data centres, utilities or other mission-critical environments.

- Strong knowledge of: CRAC, CRAH and precision cooling systems
- Chilled water, condenser water and heat rejection systems
- HVAC plant, pumps, valves, air handling units and ventilation systems
- Airflow management, thermal performance and environmental monitoring
- Building management systems and controls interfaces relevant to mechanical operations
- Fire, hydraulic and mechanical support systems within critical facilities
- Mechanical redundancy, resilience, capacity planning and lifecycle management
- Demonstrated experience in mechanical asset reliability, lifecycle planning, condition assessment and engineering assurance.
- Experience conducting mechanical engineering investigations, root cause analysis and technical risk assessments within critical facilities environments.
- Experience managing or overseeing specialist engineering and maintenance service providers.

Ideally, You Will Also Have

- Chartered Qualified Engineer (CPEng).
- Experience within telecommunications network facilities, Data Centres and MTX environments.
- Data Centre infrastructure experience.
- Knowledge of data centre cooling efficiency, environmental monitoring, capacity management and resilience practices.




- Reliability engineering, mechanical services, HVAC or data centre infrastructure qualifications or certifications.

What's in it for you?

- Flexible hybrid way of working (from home and office)
- ‘Stay Connected Mobile’ –

- Access to a free mobile plan
- ‘Stay Connected NBN’ –
- Access to a free, high‑speed NBN plan (up to 500 Mbps)
- ‘Your Leave’ - additional leave to be used whenever you like - every year
- Access to TPG Learning Hub platform and internal development opportunities
- Access to Corporate Partner Discounts

Don’t meet every single requirement? That’s OK!

At TPG Telecom, we’re all about creating an accessible workplace where everybody feels safe to bring their authentic self to work - regardless of background. If you think this role is a great fit for you but some of the qualifications don’t align with your experience, we still encourage you to apply - you might just be the perfect candidate for a similar role with us! Learn more about life at TPG Telecom here.

TPG Telecom also acknowledges the Gadigal People of the Eora Nation as the Traditional Custodians of lands and waterways where this office can be found in Barangaroo.

Our Talent Acquisition Team and Hiring Managers kindly request no unsolicited resumes or approaches from Recruitment Agencies. TPG Telecom is not responsible for any fees related to unsolicited resumes.

About Us

TPG Telecom started with a belief that we can make things better for Australians. We believe in the power of meaningful relationships to support vibrant, connected communities where everyone belongs. It’s our why; our reason to exist. Now, we’re proud to be one of Australia’s leading mobile and internet providers. We’re not just redefining telco, we’re changing its course. And you play a role in that. A big one. The opportunities are plenty for those who are ready to accept the challenge.

About The Team

Our Technology team builds and evolves the networks and platforms that keep millions of Australians connected every day. From mobile and fixed networks to digital platforms and data, you’ll work at the forefront of innovation solving complex challenges and helping shape the future of connectivity.

📌 Senior Mechanical Engineer - Data Centre (Sydney)
🏢 Tpg Telecom
📍 Sydney