Senior Mechanical Services Engineer

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:

The Toowoomba Hospital expansion is a $1.3 billion investment which will create a purpose-built facility that consolidates healthcare services and improves long-term outcomes for the Darling Downs community. The project will deliver 118 additional overnight beds, improve access to local healthcare, enhance patient outcomes and experiences, and reduce the need for residents to travel for treatment. It will also support staff recruitment, retention, and development. The design will incorporate green spaces, heritage features, and efficient layouts that prioritise accessibility, wayfinding, and effective patient and staff movement.

About The Role:

We are looking for an experiences Senior Mechanical Services Engineer to provide mechanical services leadership and technical expertise across project design, procurement, delivery and commissioning. Support project teams to achieve quality, safety, programme and commercial objectives while building strong relationships with clients, consultants, suppliers and subcontractors. Drive innovation, best practice, risk management and continuous improvement to enhance project outcomes and business performance.

Key Accountabilities:

• Lead delivery of mechanical services packages to achieve project program, budget and quality objectives.


• Coordinate mechanical design, procurement, installation and commissioning activities.


• Monitor project performance and implement solutions to maintain schedule and cost targets.


• Resolve mechanical engineering, constructability and site installation issues.


• Ensure compliance with contracts, Building Code, standards and safety requirements.


• Manage project costs, forecasting, commercial risks and financial performance.


• Build strong relationships with clients, consultants, subcontractors and project stakeholders. 


• Lead mechanical project teams and contribute to tendering, constructability reviews and continuous improvement initiatives.

What we are looking for:

• Mechanical trade qualification or equivalent tertiary qualification in Mechanical Engineering.


• Strong experience in mechanical services, engineering or construction.


• Past experience in a Mechanical Services leadership role.


• Proven delivery of mechanical services on major construction projects ($500M+).


• Strong experience across design, procurement, construction and commissioning phases.


• Sound knowledge of Australian building codes, standards and compliance requirements.


• Demonstrated commercial acumen, including budgeting, cost control and subcontractor management.


• Strong stakeholder engagement, communication and relationship management skills.

As part of the team, you can help us 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:

Competitive remuneration with salary continuance, and salary sacrifice options. For this project in Toowoomba, we offer a Living Away from Home Allowance and Relocation support

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.

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.

John Holland does not accept any speculative or unsolicited CV's that have been sent to our internal recruitment team or hiring managers from agencies