Senior Principal Ecologist
Lead Botanist
Perth, WA | Full-time
RPS, a Tetra Tech company, is seeking an experienced Lead Botanist to join our Environmental Planning and Assessment team in Perth.
Our Western Australian environmental team is continuing to grow, with a strong pipeline of work across renewable energy, infrastructure, land development, resources and environmental impact assessment projects
This is an opportunity to take a leading technical role within our botany service line, delivering complex flora and vegetation assessments throughout Western Australia while helping to develop our people, client relationships and technical capability.
About the role
As Lead Botanist, you will provide technical leadership across flora and vegetation projects, from initial scoping and field survey planning through to data analysis, reporting and regulatory engagement.
Working collaboratively with environmental planners, ecologists and other technical specialists, you will:
Lead and undertake flora and vegetation surveys throughout Western Australia
Provide advanced technical advice on WA terrestrial flora, vegetation communities and ecological assessment
Plan and coordinate field surveys, including logistics, staffing and specialist subconsultants
Manage complex flora and vegetation projects from proposal through to completion
Prepare high-quality technical reports, environmental assessments and regulatory documentation
Review technical reports and provide quality assurance across project deliverables
Analyse field data using appropriate statistical, spatial and botanical assessment methods
Prepare project scopes, methodologies and commercially robust fee proposals
Manage project budgets, programmes, risks, invoicing and competing priorities
Liaise with clients, regulators, project stakeholders and multidisciplinary project teams
Identify technical and project risks and develop practical solutions for clients
Mentor and provide technical guidance to botanists and early-career environmental professionals
Help grow RPS’s botany capability through client engagement, thought leadership and business development activities
The position includes a combination of office and field-based work, including travel to remote locations across Western Australia.
About you
You are an experienced botanical professional with strong knowledge of Western Australian flora and vegetation and a proven ability to lead high-quality ecological assessments.
You will bring:
A relevant tertiary qualification in botany, environmental science, ecology, environmental management, natural resource management or a related discipline
Approximately 5 to 15 years or more of relevant botanical or ecological consulting experience
Advanced knowledge of Western Australian flora, vegetation communities and the use of taxonomic keys
Demonstrated experience planning and leading flora and vegetation field surveys
Strong understanding of State and Commonwealth environmental legislation, regulatory guidelines and impact assessment processes
Proven experience preparing and reviewing flora and vegetation reports for environmental assessment and approvals
Experience managing projects, budgets, programmes, subconsultants and client expectations
Strong analytical, technical writing and communication skills
Experience using GIS software and statistical analysis packages, such as PRIMER or equivalent
The ability to work independently while contributing positively to a multidisciplinary team
Strong client relationship and stakeholder management skills
A current driver’s licence
The flexibility and physical capacity to undertake fieldwork in remote locations
Four-wheel-drive experience or accreditation, which would be well regarded
The role requires mature technical judgement, independence in decision-making and experience managing complex environmental investigations and client relationships.
What is on offer
Along with a competitive salary, RPS provides a welcoming and collaborative workplace where you will work with experienced environmental specialists on meaningful projects throughout Western Australia.
Our benefits include:
Flexible working arrangements within a certified Family Inclusive Workplace
Reimbursement for one professional membership each year
Paid parental and partner leave
A $250 annual Active Lifestyle Allowance
Additional annual leave purchase options
Salary packaging opportunities
Professional and technical development programmes
Study assistance and online learning
Active social clubs
Employee Assistance Program
Service recognition initiatives
You will have the opportunity to influence the direction of our botany service line, develop emerging professionals and contribute to projects that deliver positive environmental and community outcomes.
About RPS, a Tetra Tech company
RPS is a global professional services firm that defines, designs and manages projects that create shared value for clients and communities.
As part of Tetra Tech, we combine strong local knowledge with access to an international network of technical expertise. Our people work together to solve complex environmental, infrastructure and development challenges while delivering practical and sustainable outcomes.
Ready to lead the next stage of your botanical career?
Submit your application today and help shape the future of RPS’s botany capability in Western Australia.
Our Approach
Our people live our purpose, deliver our promise, and demonstrate our behaviours every day. Our behaviours define who we are. Developed by our people, they underpin everything that we do. They create the memorable experiences we are known for and make RPS a great place to do great work.
Stronger together is one of our five core behaviours and it is key to building a collaborative workplace. We encourage everyone to bring their best and to support others to do the same. By sharing knowledge, challenging each other to think differently, and fostering an environment of trust and respect, our people can learn, grow and thrive – and share in our success.
Recruitment Agencies
We have a Preferred Supplier List of trusted partners to assist us when required and do not acknowledge any speculative CVs or unsolicited candidate introductions from agencies not on this list. Please refer to the careers page on our website if you require any further information.

Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services. Operating in 125 countries, working across six continents, our 5,000 consultants and service providers define, design and manage projects that create shared value to a complex urbanising and resource scarce world.
We work in six sectors: property, energy, transport, water, resources, defence and government services, and our services span twelve clusters: project and program management; design and development; water services; environment; advisory and management consulting; exploration and development; planning and approvals; health, safety and risk; oceans and coastal; laboratories; training and communication and creative services. These services are augmented by the wider global capabilities and expertise of the Tetra Tech business.
We stand out for our clients by using deep expertise to solve problems that matter, making them easy to understand and by being easy to work with.