Principal Mechanical Engineer

What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. This role will see you enhance your capabilities and the reputation of WSP’s Mining Sustaining Capital team. You will collaborate with talented professionals working on iconic projects to drive future ready outcomes that will benefit clients and communities. At WSP you’ll find the scale and reach you need to do the kind of work the world needs – and the culture and people that make it the best work of your life. Our Mining Group Our global team of over 5,200 dedicated mining professionals are supporting the industry to decarbonise mining operations in the accelerating green transition. Working collaboratively across borders and disciplines, you’ll join a leading team working on interesting and complex projects. We are experts in our field, and we are passionate about mining. What you’ll do: As a Principal Mechanical Engineer, you will play a key role in delivering mechanical engineering expertise across tailings process infrastructure; particularly slurry systems, piping, and associated plant. You will partner with multidisciplinary teams and clients to solve complex challenges and deliver practical, innovative, and cost-effective solutions that support safe and sustainable mining operations. This is a leadership opportunity where you will not only apply your technical depth but also provide mentoring to our emerging engineers, influence project direction, and contribute to strategic growth in our tailings capability, based in our Perth, WA office. Lead the design, review, and optimisation of slurry systems, tailings pipelines, pumping systems, and related mechanical infrastructure. Act as the subject matter expert on slurry transport and tailings processes within project teams. Provide technical guidance and mentoring to engineers and designers, ensuring high-quality project delivery. Collaborate closely with clients to understand their operational challenges and provide tailored, value-driven solutions. Support business development through technical input, proposals, and client engagement. Contribute to WSP’s thought leadership and innovation in sustainable tailings management. About You: Degree qualifications in Mechanical Engineering (Chartered status highly regarded). Extensive experience in slurry and tailings systems design within mining projects. Strong background in pumping, piping, and process plant layouts for slurry transport. Demonstrated ability to lead engineering teams and deliver complex sustaining capital projects. A collaborative mindset with excellent client engagement skills. A passion for mentoring, developing others, and contributing to industry best practice. What Can We Offer: This role is to be based in our Perth, WA office. Diverse mining projects across Australia and beyond. Flexible working arrangements to support work–life balance. Ongoing professional development and global career pathways. A culture that champions sustainability, collaboration, and innovation. Relocation package for those interested in a move to the West. Imagine a better future for you and a better future for us all. Join our close-knit community of talented individuals who share your passion for making a positive impact. Our global team includes more than 69,000 employees, working together to make a difference in communities both close to home and around the world. An employee Share Purchase Plan is available to all our permanent employees who wish to become owners and vested partners in WSP’s collective success. To find out more about our commitment to the health and wellbeing of our people, and the programs we’ve designed to help you thrive, go to our Employee Benefits page. With us, you can. Apply today.