Job Listing

Senior Principal Occupational Hygienist (Sydney, Melbourne & Perth)

• Driven by innovation and committed to technical excellence?
• Excel at supporting and mentoring technical teams?
• Take pride in building strong client relationships and playing a key role in business growth?

Join a national WHS team that values technical excellence, innovation, and continuous growth. Attractive salary package and comprehensive company benefits.

About the role
This role is a key part of our established WHS team and offers the opportunity to contribute to a nationally recognised workplace health and safety consultancy.

We are seeking an experienced Occupational Hygienist at Senior or Principal level to provide technical leadership across a diverse range of industries and projects. This role will suit someone who enjoys solving complex occupational health challenges, developing robust monitoring and assessment programs, mentoring emerging professionals, and building strong client relationships.
You will play a leading role in delivering high-quality occupational hygiene services while helping to shape the growth and direction of our occupational hygiene capability both locally and nationally.
Our work spans mining, energy, infrastructure, manufacturing, construction, utilities and government sectors, providing exposure to a broad range of occupational health risks and environments.

Key Responsibilities

• Lead occupational hygiene monitoring, exposure assessment and risk assessment programs across a range of workplace hazards.
• Develop practical occupational health risk management solutions and provide specialist technical advice to clients.
• Prepare and review technical reports, exposure assessments and deliverables, ensuring a high standard of quality.
• Manage projects, budgets, schedules and client relationships.
• Provide technical leadership, mentoring and development support to junior consultants and hygienists.
• Identify and pursue business development opportunities and contribute to the growth of the occupational hygiene service line.
• Collaborate with multidisciplinary teams to deliver complex projects and client outcomes.

About you
You are a highly capable occupational hygienist with strong technical expertise and commercial awareness. You enjoy combining technical problem solving with client relationship management and leadership responsibilities.

What You’ll Bring

• Extensive occupational hygiene experience, ideally within a consulting environment.
• Demonstrated expertise in exposure assessment, health risk assessment, workplace monitoring and control verification.
• Strong understanding of relevant legislation, standards, guidance material and industry best practice locally and nationally.
• Experience developing and implementing comprehensive monitoring strategies and occupational health programs.
• Strong project management skills, including managing multiple projects and stakeholders simultaneously.
• Proven ability to build trusted client relationships and identify new opportunities.
• Experience mentoring, coaching and developing junior consultants.
• Excellent report writing and communication skills.
• A Master’s in Occupational Hygiene and AIOH Full Membership is highly regarded, as is your progress towards becoming a Certified Occupational Hygienist (COH).
•  We’re committed to supporting your ongoing success — giving you the tools, trust, and opportunity to lead confidently.

What You’ll Gain

• Opportunity to take on a genuine technical leadership role.
• A clear pathway to further leadership and business development responsibilities.
• Support from experienced technical specialists and business leaders.
• Exposure to complex, high-profile projects across multiple sectors.
• Flexible working arrangements that support work-life balance.
• Ongoing professional development, professional membership support and career progression opportunities.

The Perks

• Work-Life balance: We help you create space for other important aspects of your life with flexible work arrangements, study breaks, and leave purchase plans, allowing you to enjoy up to 8 weeks of annual leave per year!
• Diverse project opportunities: Work on a wide range of projects across various clients and sectors, keeping your experience fresh and engaging.
• Professional growth: Access ongoing development opportunities, including coaching from our approachable technical experts and support for professional memberships.
• Recognition & rewards: Be part of our reward and recognition program that celebrates your contributions and achievements.
• Employee ownership: Participate in our employee stock purchase plan and share in the company’s success.
• Paid parental leave: Enjoy paid parental leave for both primary and secondary caregivers.
• Wellbeing support: Access our Employee Assistance Program (EAP), available to all staff and their immediate families.

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.