Principal Environmental Scientist (Technical)
Brisbane, Sydney, Melbourne or Adelaide | On-Site | Full Time
We are seeking a Principal Environmental Scientist to act as a senior technical authority across our environmental projects, based in Brisbane, Sydney, Melbourne or Adelaide.
The role centres on technical leadership and suits an experienced scientist with a solid record in complex assessment and remediation work.
You will lead technically challenging projects across contaminated land, landfill, and vapour and ground gas, give final technical sign-off on key deliverables, and help raise technical capability across the business through mentoring and review.
What you will do
Lead complex environmental investigations across contaminated land, landfill rehabilitation, vapour and ground gas, and environmental compliance projects
Provide final technical review and sign-off on reports, proposals and deliverables
Design and apply innovative assessment and remediation approaches across more than one field of environmental science
Act as the go-to technical authority for your specialist disciplines and set best-practice methods, tools and standards
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Mentor and coach scientists through difficult technical problems and help build capability across the business
Identify technical and commercial risks on projects and advise on how to manage them
Support client engagement on technically complex matters and contribute technical input to proposals
Champion safe work practices, quality and continuous improvement
What we are looking for
Degree in Environmental Science, Environmental Engineering,



Geoscience or a related discipline
Extensive senior-level experience in environmental consulting, with recognised expertise in contaminated land, landfill and/or ground gas assessment
A strong track record of technical review and sign-off on complex deliverables
In-depth understanding of relevant Australian Standards, guidelines and environmental legislation
Highly developed problem solving skills, with originality and sound professional judgement
Clear and confident communication, with the ability to explain complex technical matters to clients, regulators and colleagues
A genuine interest in mentoring and developing others
Membership of a relevant professional body (desirable)
Valid driver's licence and willingness to travel to sites
Why join us
We believe in more than just a job – we offer a place to grow, connect, and make a real impact.
Grow With Us: Your development matters.
We invest in your skills, support your career goals, and back you with opportunities to take on meaningful, challenging projects.
Be Yourself: Our team is made stronger by the diverse voices and backgrounds that shape it.
We foster a culture of inclusion, collaboration, and mutual respect.
Make a Difference: Whether it's helping clients, supporting communities, or tackling environmental challenges, your work here creates lasting, positive change – and we'll encourage your ideas along the way.
Live Well: We get that life isn't all about work.
That's why we offer flexibility, team social events, rostered days off, benefits, and a team that supports you every step of the way.
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📌 Principal Environmental Scientist (Technical) (Brisbane)
🏢 Core-EP
📍 Brisbane