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.
About the Project:
The Lake Macdonald Dam is located in the Noosa hinterland and is part of the South East Queensland drinking water supply operated by Seqwater.
John Holland has been awarded the Contract to undertake the largest upgrade to the dam since its installation in **** as part of the Seqwater Dam Improvement Project. The upgrade will include but not be limited to:
Pre-construction Approvals, Procurement and Site Establishment
Lake Lowering and Aquatic Salvage
Installation of Upstream Coffer Dam
Cofferdam, Spillway Demolition and Working Platform
Dam Construction
Reinstatement, Rehabilitation and Demobilisation
About the Opportunity:
We're looking for an experienced
Senior Site Administrator
to play a key role on the
Lake Macdonald Dam Improvement Project
.
This is a pivotal position supporting a large, site-based delivery team, ensuring the smooth running of day-to-day project operations. You'll take ownership of site administration functions, support leadership, and help keep the project moving efficiently.
Key Responsibilities:
Oversee and coordinate all
site-based administration functions
Act as a key
point of contact
for project stakeholders, visitors, subcontractors, and suppliers
Manage
project documentation, records and filing systems
, ensuring accuracy and compliance
Lead
accounts and procurement admin processes
, including invoices, purchase orders and expense tracking
Support the project team with
reporting, document preparation and presentations
Coordinate
meetings, travel, site events and leadership diaries
Provide high-level support to the




Project Manager and senior leadership team
Maintain site office operations, including
supplies, systems and facilities
Drive continuous improvement in
administrative processes and systems
What We're Looking For:
Experience
Solid experience in a
Site / Project Administrator role within construction or infrastructure
Proven ability to operate at a
senior level
, managing competing priorities on a busy project site
Strong exposure to
project systems, document control and financial administration
Experience supporting
senior leaders on site
Skills
Highly organised with strong
attention to detail
Confident communicator with a
proactive, solutions-focused mindset
Strong
systems and IT proficiency
across project platforms
Ability to work autonomously while supporting a fast-paced team
Qualifications
Relevant administrative experience (construction experience highly regarded)
As part of the team, you help us deliver on our promise to 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 different perspectives and ideas will deliver 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.
What's in it for you when you join John Holland?
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.
We reward and support our people in so many ways.



This starts with being flexible about how different people like to work. From industry-leading leave policies to wellbeing and relationship support, your needs sit at the heart of our employee perks.
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.
We reward and support our people in so many ways. This starts with being flexible about how different people like to work. From industry-leading leave policies to wellbeing and relationship support, your needs sit at the heart of our employee benefits.
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.

📌 Senior Site Administrator (Australia)
🏢 John Holland
📍 Australia