Associate Hydrogeologist/Hydrogeochemist – Melbourne, Geelong or Sydney

Are you passionate about solving complex groundwater and contamination challenges? Join Tetra Tech Coffey's growing team of expert hydrogeologists in one of our Site Assessment and Remediation teams in Sydney, Melbourne or Geelong, where you'll collaborate with top-tier specialists across our region to deliver science-led solutions on landmark projects.

Work with industry leaders on landmark infrastructure, defence, renewable energy, mining, and contaminated land remediation projects.

Provide technical advice on challenging projects across the Pacific region.

Career development opportunities within a global consultancy environment.

Flexible work arrangements to support work-life balance.

Join a top-tier environmental consultancy known for delivering innovative, science-led solutions across complex contaminated land and groundwater projects.

About the role

We're expanding the groundwater team within our Site Assessment and Remediation Group and are looking for an Associateto Hydrogeologist to help drive excellence in project delivery, client engagement, and technical mentorship.

Supported by our industry leaders and Principals, you'll play a key role in leading the technical delivery of hydrogeological components of multidisciplinary contaminated land investigations and remediation projects.

This position offers the chance to take on meaningful groundwater and contamination challenges, support business growth, and mentor a talented team of emerging professionals.

What You'll Do:

Lead the design, implementation and interpretation of groundwater investigations and monitoring programs.

Deliver hydrogeological risk assessments and conceptual site models for contaminated land and remediation projects.

Provide technical direction on groundwater fate and transport modelling, including contaminant behaviour.

Review and prepare high-quality technical reports and proposals.

Engage with clients, regulators, and stakeholders to ensure project success and foster strong relationships.

Mentor and support junior hydrogeologists and environmental scientists within the team.

Contribute to the development of innovative approaches and solutions in hydrogeology and contaminated land assessment.

What You'll Need:

Degree qualified in Hydrogeology, Geology, Environmental Engineering or related discipline. Postgraduate qualifications will be highly regarded.

Strong communication, report writing, and project management skills.

Minimum 8 years' professional experience in contaminated land and groundwater projects, ideally within a consultancy environment.

Proven expertise in hydrogeological assessment, including aquifer testing, data interpretation, and conceptual site modelling.

Strong knowledge of environmental regulations, guidelines, and reporting standards relevant to contaminated sites.

Experience with groundwater modelling software (e.g., MODFLOW, FEFLOW) and contaminant transport tools.

The ability to mentor and guide junior team members.

A collaborative mindset and a passion for delivering quality outcomes.

A focus on safe, environmentally responsible project delivery.

Impactful projects – Work across complex environmental challenges with a focus on delivering meaningful outcomes.

Flat team structure – Less hierarchy, more access. Work alongside industry leaders who are approachable, collaborative and hands-on.

Career progression – Shape your own development with support from respected technical and business leaders.

National connectivity – Seamless project delivery and technical support across multiple locations.

Genuine flexibility – Hybrid working and tailored arrangements that support a collaborative, flexible work environment.

The Perks You'll Love:

Work-Life Balance:Flexible work options, tailored hours, study breaks, and the ability to buy extra leave—up to 8 weeks per year

Diverse Projects:Work across a wide variety of projects, clients, and sectors.

Growth Opportunities:Professional development, coaching, and mentorship from our top experts.

Memberships:Professional memberships to help you stay ahead in your field.

Recognition:Our reward and recognition program makes sure your hard work doesn't go unnoticed.

Ownership:Participate in our employee stock purchase plan.

Parental Leave:Paid leave for both primary and secondary caregivers.

Support:Employee assistance program for you and your immediate family.

Travel Discounts:Great deals through our corporate traveller program.

• Car Leasing:Take advantage of novated vehicle leasing options.
  
  

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.