Description Downer is seeking an experienced Laboratory Manager to lead and manage laboratory operations supporting asphalt production and road contracting activities across Western Australia. This is a critical leadership role responsible for ensuring high-quality testing, maintaining NATA accreditation, and providing technical expertise in asphalt mix design and optimisation. You’ll play a key role in supporting operational performance, compliance, and continuous improvement across multiple sites. KEY RESPONSIBILITIES Lead day-to-day operations of laboratories in Gosnells and Hope Valley. Maintain NATA accreditation and act as an Approved Signatory. Ensure all testing, sampling and reporting meets Main Roads WA specifications, Australian Standards and client requirements. Oversee laboratory quality systems, audits, proficiency testing and compliance. Provide technical leadership for asphalt mix design, verification and optimisation. Partner with production teams to improve product performance and consistency. Lead root cause investigations and manage non-conformances. Build and develop a high-performing laboratory team. Foster strong relationships with clients, regulators and industry bodies. ABOUT YOU Diploma or higher in laboratory operations, materials science, engineering or related field. Current driver’s licence and White Card. Background as a NATA Approved Signatory. Proven experience managing or supervising a construction materials testing laboratory. Strong expertise in asphalt and bituminous materials. Experience with NATA accreditation and ISO/IEC 17025 requirements. Demonstrated experience with asphalt mix design and optimisation. Solid understanding of MRWA specifications or equivalent. Strong leadership, communication and stakeholder engagement skills. Downer is a company that believes people are our greatest asset. We take pride in providing career opportunities, work-life balance, and above benchmark services. We also offer a range of benefits including: Tool of Trade Vehicle Enjoy career development opportunities, including leadership programs like Thrive and Own Career. Be part of an industry-leading company committed to safety, innovation and operational excellence. Access to Perks@Downer, which offers discounts and savings on various products, including retail items, travel deals and entertainment options. To join the Downer team please “apply now”. We respectfully request no recruitment agency approaches. Please be advised that email applications will not be accepted. Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.