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 strong 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<
- 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, perks, and a team that supports you every step of the way.

📌 Principal Environmental Scientist (Brisbane)
🏢 Core-EP
📍 Brisbane