Senior Contaminated Land Specialist — Darwin (Hybrid)

Principal Environmental Scientist – Contaminated Land - Relocate To Darwin; Darwin; Hybrid; AUD 180,000 - 280,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

AECOM is seeking a Principal Environmental Scientist in Darwin to lead contaminated land projects across Defence, infrastructure and government clients. The role combines hands-on technical work with project leadership, client engagement and growth of the contaminated land practice.

You will work on diverse NT and national projects, supervising investigations, reporting and risk assessment while mentoring others and supporting business development.

Qualifications

• 10+ years in contaminated land consulting, environmental science or related fields.
• Strong knowledge of contamination investigations, remediation and risk mgmt.
• Experience planning field work and producing high-quality reports.
• Understanding of contaminated land legislation and regulations.
• Experience managing projects, budgets, programs and subcontractors.
• Ability to provide clear, practical advice on complex issues.
• Strong written and verbal communication with clients and regulators.
• Interest in business development and long-term client relationships.
• Tertiary qualifications in environmental sciences or related fields.
• Ability to obtain Australian Government security clearance.

Responsibilities

• Lead and deliver contaminated land investigations, assessments and remediation projects.
• Provide senior technical advice on complex contaminated land matters.
• Prepare and review technical reports, proposals and client correspondence.
• Develop investigation strategies, site models and remediation approaches.
• Manage projects from scoping to delivery with quality, safety and budget focus.
• Build trusted relationships with clients, regulators and internal teams.
• Provide mentoring to develop other professionals.
• Contribute to business development and identify new opportunities.

Skills

Contaminated land expertise

Environmental risk management

Project leadership

Client engagement

Education

Environmental science degree

Geology / hydrogeology background

Security clearance eligibility

Job description

Principal Environmental Scientist - Contaminated Land

**Company Description**
**Work with Us. Change the World.**
At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.
There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
We're one global team driven by our common purpose to deliver a better world. Join us.

**Job Description**
"What excites me most about working in the Northern Territory is the opportunity to be part of its growth story. The scale of projects, the diversity of challenges, and the trust placed in people to lead creates an environment where professional development happens faster than anywhere else I've experienced." Matt Ryan, Team Manager - Environment, NT

**Come grow with us.**
AECOM's environmental practice is dedicated to helping industries, clients and governments meet their environmental responsibilities while protecting the natural environment. We provide advisory and technical services to ensure compliance, manage impacts, and reduce risks, including obtaining permits and approvals, decommissioning and restoring contaminated sites, and tackling climate change challenges and resilience. We focus on preserving habitats, water quality, stakeholder engagement and cultural resources, promoting a holistic approach to environmental impact management at every project stage.

We are seeking an experienced contaminated land professional to join our Environment team in Darwin. This is a senior role suited to someone who enjoys solving complex environmental challenges, delivering high-quality technical work and providing trusted advice to clients.
You will work across a diverse range of projects in the Northern Territory and nationally, supporting clients across Defence, infrastructure, government, energy, resources and property. The role offers the opportunity to combine hands‑on technical work with project leadership, client engagement and contribution to the continued growth of our contaminated land practice.
Considering a move to Darwin? With its tropical lifestyle, vibrant waterfront precinct, strong sense of community and easy access to some of Australia's most remarkable natural landscapes, Darwin offers a unique place to live and work. Relocation assistance is available to help support your move.

How you'll make a difference

• Lead and deliver contaminated land investigations, assessments and remediation projects.
• Provide senior technical advice on complex contaminated land and environmental management matters.
• Prepare and review technical reports, proposals, tender submissions and client correspondence.
• Develop investigation strategies, conceptual site models, sampling programs and remediation approaches.
• Manage projects from initial scoping through to delivery, maintaining a strong focus on quality, safety, budget and program.
• Build trusted relationships with clients, regulators, contractors and internal project teams.
• Provide technical guidance, review and mentoring to support the development of other professionals.
• Contribute to business development and help identify new project and client opportunities.

Qualifications

• Approximately 10 or more years of experience in contaminated land consulting, environmental science, environmental engineering, hydrogeology or a related field.
• Strong technical knowledge of contaminated land investigation, assessment, remediation and environmental risk management.
• Experience planning and delivering field investigations and preparing high‑quality technical reports.
• A sound understanding of relevant contaminated land legislation, regulatory requirements, industry standards and guidance.
• Experience managing projects, budgets, programs, subcontractors and technical deliverables.
• The ability to provide clear, practical advice on complex environmental issues.
• Strong written and verbal communication skills, with confidence engaging clients, regulators and multidisciplinary teams.
• An interest in supporting business development and building long‑term client relationships.
• Appropriate tertiary qualifications in environmental science, environmental engineering, geology, hydrogeology or a related discipline.
• Ability to obtain and maintain an Australian Government security clearance are required due to the Defence‑related nature of some projects.

We welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.

Applications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.

Learn more about life at AECOM: LinkedIn, Facebook , Instagram, X, YouTube - explore our AECOM voices, employee stories, latest projects, and much more!

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in‑person Day 1 onboarding at an AECOM office location as a condition of employment.

AECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders - past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses. Find out more about our Australian Reconciliation Action Plan here: AECOM

AECOM is the world's trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public‑ and private‑sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity
You will have the flexibility you need to do your best work with hybrid work options. Whether you're working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion - a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well‑being program. We're the world's trusted global infrastructure firm, and we're in this together - your growth and success are ours too.

Join us, and you'll get all the benefits of being a part of a global, publicly traded firm - access to industry‑leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person's potential, and we'll help you reach yours.

ReqID: J

Business Line: Environment

Business Group: DCS

Strategic Business Unit: ANZ

Career Area: Science

Work Location Model: Hybrid