Job Description

Tronox is the world’s leading vertically integrated manufacturer of titanium dioxide (TiO2) pigment and other materials that add brightness and durability to products you encounter every day. We are 5,700 people solid, located across six continents and unified by a strong set of values that guide us in our work. At our mines and manufacturing plants, labs and offices, we responsibly transform the earth’s resources into products and opportunities that enhance lives. Our vision is to shape a sustainable, thriving world through enriched and refined minerals. Join a Groundbreaking Rare Earth Project - Senior Mechanical & Piping Engineer

Tronox is recruiting for an important role to support the design and construction of a new Rare Earth Chemical Facility in Western Australia. Location : Fremantle

Contract : Max term contract to November 2027

Roster : 9 day fortnight (38hr ave week)

About Tronox

Tronox is the world’s leading vertically integrated manufacturer of titanium dioxide (TiO2) pigment and other materials that add brightness and durability to products you encounter every day. We are 6,500 people strong, located across 12 countries and unified by a strong set of values that guide us in our work. At our mines and manufacturing plants, labs and offices, we responsibly transform the earth’s resources into products and opportunities that enhance lives. Our vision is to shape a sustainable, thriving world through enriched and refined minerals. We strive for excellence in safety and sustainability, focusing on what is critical to improve how we operate and to enhance the communities where we work and live. We provide challenging work and encourage innovative thinking, collaborating closely to bring our best ideas forward and add value for our customers.



We invest in and value the success of our people, empowering them to take charge of their personal and professional development. We are unified globally and strengthened locally, leveraging the most culturally and geographically diverse team in the industry to connect better around the world. About the Project

This is a unique opportunity to be part of a pioneering rare earths refining project, positioning Tronox and Western Australia at the forefront of the emerging critical minerals market. Tronox is establishing an in-house engineering team to lead the design and delivery of this facility offering genuine, hands-on engineering involvement in a technically complex and first-of-its-kind project. You will have the opportunity to contribute across the full project lifecycle, from feasibility study and detailed design through to construction, commissioning, and operational ramp-up. This end-to-end exposure provides invaluable experience and the chance to shape a key asset from concept through to production. The facility will be developed within the Perth metropolitan area, allowing regular site access during construction and commissioning without the need for FIFO travel. The project team is based in a newly established office in Fremantle, designed to support collaboration and productivity. The workspace features large, well-spaced workstations, dedicated focus areas, modern meeting rooms,



and a balcony. Located just minutes from Fremantle train station, the office offers excellent accessibility, nearby parking, and end-of-trip facilities for those who prefer to cycle. About the Role

Tronox is seeking a technically strong and delivery-focused Senior Mechanical & Piping Engineer to join the mechanical and piping engineering team across both the Definitive Feasibility Study (DFS) and Execution phases of a major Rare Earths project in Western Australia. Reporting to the Lead Mechanical & Piping Engineer, this position plays a key role in executing the mechanical and piping scope during the DFS phase, involved across engineering work packs, engineering deliverables, and preliminary layouts. The role will focus on delivering integrated, constructible, and cost-effective solutions that meet project objectives, regulatory requirements, and operational readiness criteria. Initially offered as a 12-month fixed-term contract for the DFS phase, this role is designed to become permanent once the project achieves FID and moves into Execution, where the mechanical/piping team scope will expand to include detailed design oversight, construction support, and commissioning readiness. Key Responsibilities:

Design Development & Oversight

Aid in developing technology selection studies to ensure optimised equipment selection Production and checking of mechanical and piping design deliverables, including equipment specification, data sheet generation, equipment layouts and piping routing, material selection, and stress analysis Mechanical and piping contributions to the 3D model, ensuring equipment placement, pipe routing, and supporting systems are coordinated with other enginee

📌 Senior Mechanical (Wattleup)
🏢 Tronox
📍 Wattleup