Principal Environmental Scientist/Planner
Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Sep 8, 2026. Onterris scores A on the Alion truth index.
About Us
At Onterris, we build careers grounded in purpose, responsibility and real-world impact.
“For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.
When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact.
Together, we will advance our way of life and protect the integrity of our environment every step of the way.
A Day in the Life
Formerly known as Epic Environmental, the Australian arm of Onterris has kept the strong culture we are well known for. The team continues to work closely with clients, building trusted relationships and delivering high-quality outcomes without an overemphasis on KPIsand we offer flexible working arrangements where the role permits to supporta positivework-life balance.
Our teamshave the opportunity towork alongside industry leaders, auditors,and professionalswith vasty experience within our industry, while enjoying regular social events and collaborative work that bring the team together. Onterris also supports career development through relevant internal opportunities and individual one-on-one career conversations focused on growth and progression.
We are seeking a Principal Environmental Scientist to join our Assessment and Approvals team, working from our conveniently located Sydney office. In this role, you will provide senior technical and project leadership while supporting the continued growth of our team and client relationships. Key responsibilities will include:
- Playing a key role in growing, developing and mentoring the Sydney Assessment and Approvals team
- Building and maintaining strong client relationships and driving business development opportunities
- Leading client and stakeholder meetings and providing trusted, strategic environmental advice
- Successfully managing multiple projects, including technical delivery, budgets, resourcing and timelines
- Providing senior technical input and quality assurance across environmental assessments, planning and approvals projects
- Developing and reviewing quality management systems, processes and technical methodologies to support high-quality project delivery
Your Expertise and Skills
These requirements reflect the knowledge, skills and abilities that help you do your best work here.
15+ years of professional experience, with extensive experience in a consultingsetting
Tertiary qualifications from a recognised institute in Environmental Science,Planningor related field
Extensive experience in regulatory approvals within New South Wales
Experience in infrastructure and/or resource sector approval
Proven experience with EIS, State and Commonwealth approvals
Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.
We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.