Senior Certified Occupational Hygienist – Lead Major Projects | Sydney A well-established WHS consultancy in Sydney is looking for a Certified Occupational Hygienist (COH) to join their team in a senior capacity. With a new Business Development Manager driving larger, high-profile projects, this is an exciting time to be part of the business. You’ll work alongside a team of skilled consultants, shaping workplace health outcomes, mentoring others, and building strong client relationships across diverse industries. About the role In this role, you’ll lead major occupational hygiene projects across sectors such as resources, energy, manufacturing, and infrastructure. You’ll be the technical lead, ensuring projects meet the highest standards, while mentoring junior consultants and helping the team grow their skills. You’ll have the opportunity to influence workplace health strategies, deliver practical and evidence-based recommendations, and collaborate with clients to achieve real-world outcomes. What you’ll be doing Leading occupational hygiene risk assessments, monitoring, and exposure evaluations Preparing detailed technical reports with practical recommendations for clients Providing specialist advice on health hazards, compliance, and risk management Mentoring and developing junior consultants, promoting best practice across the team Building and maintaining strong client relationships and contributing to business growth Who we’re looking for Certified Occupational Hygienist (COH) with AIOH full membership, or working towards it Proven occupational hygiene consulting experience in NSW Technical expertise in exposure assessment, ventilation, hazardous substances, and health risk evaluation Strong project management skills with a client-focused approach Natural mentor and leader with a passion for developing others and promoting a positive team culture Why this is a great opportunity Work on high-profile, complex projects across multiple industries Join a supportive, collaborative team with a strong focus on culture and career development Enjoy flexible working arrangements and work–life balance initiatives Competitive salary and employee benefits Access to ongoing professional development, training, and membership support How to apply To express interest, please email your CV to georgina.laki@acrworld.com. All applications will be treated in strict confidence.