Senior Commissioning Engineer

Shape the Future of Western Sydney Parklife Metro has been awarded the Sydney Metro SSTOM package, a $5 billion Public-Private Partnership (PPP) project that will transform Western Sydney. This major infrastructure package includes:

• Six brand-new metro stations from St Marys to the new Aerotropolis
• 12 new metro trains and core rail systems
• A state-of-the-art maintenance and stabling facility at Orchard Hills

As part of the Plenary, RATP Dev, Siemens, and Webuild consortium, we're delivering a city-shaping project that will define the future of transport in NSW. The Opportunity The Senior Commissioning Engineer – Mechanical Systems will lead the planning, coordination, and execution of testing and commissioning activities for mechanical plant, equipment, and associated control systems on a major rail/metro infrastructure project in Western Sydney. The role ensures mechanical systems operate safely, efficiently, and in compliance with contractual, statutory, and operational requirements before handover to operations.

Why You Should Apply

• Own End-to-End T&C – Oversee all station-level MEP and rail systems commissioning
• High-Profile Delivery Role – Help bring a $5B rail system into operation
• Subcontractor Leadership – Manage complex delivery teams and drive standardised outcomes
• Industry-leading salary and benefits – A highly competitive package reflecting the scale and complexity of the role.

Key Responsibilities

• Develop and manage commissioning strategies, schedules, and procedures for mechanical systems.
• Coordinate commissioning across mechanical, electrical, control, and civil teams, engaging OEMs and subcontractors.
• Lead and supervise commissioning of tunnel ventilation, HVAC, hydraulics, lifts, escalators, and fire systems.
• Oversee functional, integration, performance, and endurance testing in line with approved procedures.
• Ensure compliance with WHS, rail safety, environmental requirements, TfNSW, and Australian Standards.
• Conduct risk assessments, HAZOP studies, and safety-in-design workshops.
• Review and approve test plans, reports, verification records, and handover documentation.
• Support defect rectification, warranty testing, and client acceptance processes.

What We're Looking For

• Bachelor's degree in Mechanical Engineering (or equivalent) with 8–10 years' commissioning experience on rail/metro/infrastructure projects.
• Expertise in tunnel ventilation, HVAC, pumps, lifts/escalators, and fire suppression systems.
• Skilled in integrated control systems, SCADA interface testing, and multidisciplinary commissioning programs.
• Strong knowledge of Australian Standards, Building Code of Australia, and TfNSW requirements.
• Desirable: CPEng/eligibility, Sydney Metro or Australian rail project experience, and knowledge of systems assurance, RAMS, and asset handover.
• Strong leadership, stakeholder coordination, problem-solving, safety, and quality focus.
• Detail-oriented, proactive, adaptable, and willing to work site and office locations in Western Sydney.

Why Join Us?

• We foster a supportive and collaborative culture, that prioritises the safety of our people and the environment
• Develop your career on the SSTOM Project – a defining rail infrastructure initiative for Western Sydney
• Enjoy an inclusive work environment, with opportunities for professional growth and long-term project engagement.
• Join a collaborative and experienced consortium focused on excellence and innovation
• Health & wellbeing initiatives and Novated lease options available
• Diversity and inclusion & Employee recognition programs.

What's next?

If you have a strong background for the role and want to play a key role in shaping Western Sydney's transport future, click 'Apply' to join our growing team.

If you progress, we will call you for a phone interview. Followed by a face-to-face meeting via Teams or in person. Prior to an offer, we'll request your qualifications and conduct a medical & drug and alcohol check.

Interested to learn more about Parklife Metro JV? Visit our website at

Deliver a legacy. Build your future. Join Parklife Metro.