Project Engineer (Vent & Hydraulics)

About John Holland:

At John Holland, our purpose is simple – we transform lives with everything we do. We’ve always known that infrastructure is about people — our customers, our employees, and the communities in which we work every day.

That’s our difference. Deep experience and capability with a genuine care about creating better lives for people along the way. Be part of the team that’s up for the challenge of transforming lives for good.

About The Project

Sydney Metro West is a transformational 24 km underground railway connecting Sydney CBD to Parramatta, with stations at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock, The Bays, Pyrmont and Hunter Street.

The Linewide package connects the entire system, delivering the critical rail infrastructure and technology that bring the metro network to life.

Project offices are located across several Sydney locations including the CBD, Clyde, Rosehill, The Bays and Burwood North.

About The Role:

We are currently seeking an experience Project Engineer – Hydraulics and Ventilation to join out Temporary Services team on the Sydney Metro West Linewide Project. You will support the planning, coordination, and installation of key mechanical infrastructure.

Key Responsibilities:

• Support the planning, design review, and delivery of mechanical works across tunnelling scope.


• Review mechanical drawings, specifications, and technical documentation for constructability and compliance


• Assist in the coordination of subcontractors and construction teams to ensure efficient execution of mechanical works


• Monitor installation progress, quality, and compliance with project specifications and Australian Standards


• Supporting operation of systems


• Manage system interfaces with other stakeholders


• Identify risks, technical issues, and interface challenges, and implement solutions in coordination with senior engineers and construction leadership


• Support commissioning, testing, and operation of mechanical systems


• Prepare progress reports, documentation, and technical records for mechanical works


• Participate in safety inspections, toolbox meetings, and ensure compliance with WHS requirements

About You:

• Degree or trade qualification in Mechanical Engineering or related discipline


• 5+ years’ experience delivering mechanical works on major infrastructure or tunnelling projects


• Strong knowledge of hydraulics, ventilation, pump stations, HVAC, mechanical plant, and tunnel service systems


• Knowledge of tunnel dewatering systems (sump pumps, rising mains, float switches, level sensors)


• Knowledge of ventilation system installation and operations (fans, VSDs)


• Experience coordinating construction teams and subcontractors


• Ability to read, interpret, and review mechanical drawings and specifications


• Strong problem-solving skills with focus on safety, quality, and schedule


• Excellent communication and stakeholder engagement skills

As Part Of The Team, You Can Help Transform Lives:

Your success is reflected in ours, so we’re committed to being an employer of choice.

We pride ourselves on having a diverse and inclusive workplace, as we understand that different perspectives and ideas are critical to our long-term success.

We want you to be with us for the long term, so providing you with rich career experiences and ongoing development is our priority.

We Offer:

We’re about connecting your sense of purpose to ours.

We understand that your career is one of the biggest ways to have an impact on the world. We also believe in supporting you as a whole person, not just an employee.

• Competitive remuneration with salary continuance, and salary sacrifice options.


• Great leave benefits including 18 weeks paid parental leave with super and up to an extra 18 weeks of super paid on further periods of unpaid parental leave, multicultural leave exchange and two extra days to prioritise your wellbeing.


• Career progression underpinned by our exciting pipeline of work means you’ll have the opportunity to work on iconic projects that are shaping cities and communities.


• Learning and development opportunities where you’ll have access to emerging talent programs, building your career through clear career pathways, plus technical and leadership training and development opportunities.


• Inclusion, diversity and equity is part of how we work. We want everyone at John Holland to feel that they belong – that’s why we’re working hard every day to foster a more inclusive culture, backed by a business-wide inclusion strategy to bring about meaningful change. We’ve also got active employee resource groups that support our commitments including those around gender equality and reconciliation.


• Flexible working that works for you as we know flexibility means different things to different people. Whether it’s flexi-hours, flexi-parenting, flexi-leave, flexi-shifts or flexi-work, we’re committed to helping our people work flexibly.