Environmental Scientist/Contaminated Land (FIFO) - Northern Territory
- Deliver environmental and contaminated land services for a major metals refinery closure.
- Provide on-site soil validation advice and support during remediation earthworks.
- Manage health and safety on a large remediation project.
Major Metals Refinery Closure
12-month full time, site-based project (extension possible)
FIFO (2:1 or 2:2) from any Australian location to Nhulunbuy, Northern Territory
About the Project
Tetra Tech Coffey is delivering environmental and contaminated land services to support a major metals refinery closure in Northern Territory, a major component of a broader decommissioning program.
Works involve remediation tracking, contaminated materials management, validation of remediation scopes, and compliance oversight in a complex remote industrial environment
The Role
We are seeking an experienced (2 to 5 years) Contaminated Land Consultant (field‑based) to provide on-site soil validation advice and support, sampling supervision, and contaminated materials support during remediation earthworks.
You will work daily alongside the client, providing practical, technically defensible environmental advice to support the remediation objectives and maintain compliance with the Remediation Action Plan.
Key Responsibilities
Field Delivery
Collect soil and surface water samples, to complete contaminated soil and surface water assessments, delineation, and validation sampling.
Manage and maintain health and safety on a large remediation project with significant heavy plant movements.
Provide field-based material advice to the remediation contractor.
Oversee material tracking and compliance with the remediation action plan and the remediation validation plan.
Manage unexpected finds and provide advice to the remediation contractor.
Maintain strong QA/QC and field records.
Undertake field pH testing
Work collaboratively with site teams, technical and project management teams based offsite.
Contractor Interface
Act as the primary site contact for client requests and advice and manage technical delivery of requests in collaboration with the subject matter expert.
Support daily pre‑starts and toolbox talks.
Attend regular client meetings.
Balance production needs with environmental compliance.
Reporting & Compliance
Prepare field summaries and contribute to validation reporting.
Prepare material classification and other technical memorandums, based on ongoing site requirements.
Maintain chain‑of‑custody and coordinate laboratories.
Support EMP, HSE, and regulatory compliance obligations.
About You
You'll have:
You'll be a qualified Environmental Scientist with 2-5 years experience in contaminated land consulting.
Demonstrated experience conducting soil and surface water samples, assessments, delineation, and validation sampling on brownfield/industrial sites.
Experience supporting civil earthworks.
Strong documentation and communication skills.
Current, unrestricted Australian Drivers License.
Ability to meet company & project medical requirements.
Confident working independently in remote FIFO settings.
Highly Regarded:
NT regulatory knowledge.
Large‑scale remediation or decommissioning experience.
FIFO or remote project experience.
What We Offer
Highly competitive salary; provision of mobilisation costs including flights, camp accommodation and meals.
2:1 or 2:2 roster available.
Opportunity to contribute to one of the Southern Hemisphere’s most significant industrial closure and remediation projects.
Long-duration project exposure within a technically complex heavy industrial environment.
Support from an experienced, highly credentialled Environmental Scientists.
About us
Tetra Tech Coffey provides high-end environmental, geotechnical, digital, and engineering design consulting services in Australia, New Zealand and Papua New Guinea. Every day, our people come together to solve complex challenges for our clients.
With over 30,000 Tetra Tech colleagues across 550 offices globally, we deliver projects that improve lives through science, technology, and innovation.
Our commitment to creating lasting, measurable value is reflected in our global 1 Billion People Challenge, which tracks how our 100,000+ annual projects benefit people and communities around the world.
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