Associate Contaminated Land Environmental Scientist

4/25/2026

The Senior Environmental Scientist will project manage contaminated land and water projects while overseeing site inspections and maintaining client relationships. Additionally, the role involves preparing complex reports, providing legislative advice, and mentoring junior staff members.

Working Hours

40 hours/week

Company Size

1,001-5,000 employees

Language

English

Visa Sponsorship

About The Company

Montrose Environmental was one of the first to see environmental responsibility as not just an imperative but as a strategic asset. And we’re well ahead of the curve in applying the latest technologies in practical ways to solve difficult environmental challenges. How? By building a leadership team with exceptional depth of experience and breadth of expertise. By bringing together a wealth of local knowledge that allows us to address homegrown issues across multiple locations. By removing operational roadblocks that stand in the way of streamlined, hassle-free, nation-spanning implementation. And by investing in assets and technologies that will keep us out in front of emerging environmental concerns for years to come. In short, we approach our job the same way our clients approach theirs: With a sense of urgency, a commitment to adding value, and a stubborn refusal to settle for second-best. All to help the people we partner with identify and seize opportunity.

About the Role

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

Formally 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 KPIs.

Our teams have the opportunity to work alongside industry leaders, auditors, and professionals with vast 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 an Associate Environmental Scientist to join our Contaminated Land and Water team within our Sydney office. Have the opportunity to work alongside more than 45 land and water professionals across Australia who are actively invested in mentoring, collaboration and your long-term career development.

This role will be responsible for a full range of activities including:

Successfully project managing a diverse range of projects that are delivered on time and on budget

Playing a key role in overseeing and conducting detailed site inspections

Building and maintaining positive relationships with clients

Preparing and submitting complex reports and proposals

Providing advice regarding environmental legislation and guidelines

Mentoring and developing juniors

Your Expertise and Skills

These requirements reflect the knowledge, skills and abilities that help you do your best work here.

Tertiary qualification from a recognised institute in Environmental Science/ Environmental Engineering/ Environmental Management or related field

10+ years experience within contaminated land and water

Solid understanding of NSW and national environmental frameworks

Industry certification (CEnvP or CPSS) or keen interest to pursue this

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.

Key Skills

Project managementSite inspectionsClient relationship managementEnvironmental legislationEnvironmental guidelinesMentoringContaminated land assessmentWater quality assessmentReport writingProposal preparationSystems thinkingData analysisRegulatory complianceRisk mitigation