Lead the design of world class mineral processing projects, owning P&IDs; and piping models from concept to construction.

Mineral Technologies, a Downer company and global leader in mineral processing solutions, is seeking an experienced Senior Mechanical Designer to join our Engineering & Projects team.

In this unique role, you will lead P&ID; development while delivering advanced piping design and 3D modelling solutions for mineral processing projects across Australia and internationally. Working closely with Process and Mechanical Engineers, you will play a key role in transforming process concepts into constructable designs.
This opportunity is ideal for a highly capable designer who can work independently, apply sound engineering judgement and develop practical design solutions from concept through to construction.

Key Responsibilities Include:

- Develop and maintain P&IDs; from concept through to construction and as built documentation

- Create and manage line numbering, equipment tagging and instrumentation conventions

- Produce 3D piping models, general arrangements, isometrics and fabrication drawings

- Support clash detection, design reviews and technical quality checks

- Coordinate with multidisciplinary project teams to deliver quality outcomes

- Apply safety in design principles to ensure safe and maintainable plant designs

- Support and mentor members of the design team

What We're Looking For
You will be an experienced process plant designer with solid expertise in P&ID; development and piping design.

To be successful, you will bring:

- Proven experience developing P&IDs; from process information and engineering data

- Strong understanding of piping systems, specification breaks and process plant layouts

- Advanced AutoCAD Plant 3D experience across both P&ID; and piping disciplines

- Experience delivering designs from concept through to fabrication ready packages

- Ability to identify operability, maintainability and safety considerations within process plants

You Will Also Possess:





- Trade qualification, Advanced Diploma or Associate Degree in Design, Drafting or Engineering

- 10+ years' experience in process plant design drafting

- 5+ years' experience producing P&IDs; as a primary project deliverable

- Experience within mining, mineral processing or heavy industrial environments

- Strong knowledge of industry P&ID; standards and conventions

- Experience with smart P&ID; systems and Autodesk design platforms

What We Offer
At Mineral Technologies and Downer, we are committed to supporting our people and providing opportunities to grow and succeed.
You will have access to:

- Flexible working arrangements

- Global project exposure across the mining and mineral processing sector

- A collaborative and highly experienced engineering team

- Career development and professional growth opportunities

- Employee benefits and wellbeing programs

- A strong safety and inclusion focused culture

- The opportunity to contribute to innovative industry leading solutions

About Mineral Technologies
Mineral Technologies, a subsidiary of Downer, is the world's leading provider of fine mineral processing solutions. For more than 80 years, we have partnered with customers across the globe to deliver innovative and sustainable processing technologies.
Our expertise spans metallurgical testing, equipment manufacturing and engineering services that support the production of minerals used in everyday products including paint, ceramics, glass, steel and cosmetics.

How to Apply
Click Apply Now to submit your application.
We encourage applications from experienced designers who are passionate about process plant design and enjoy taking ownership of projects from concept through to delivery.
Applications will be reviewed as they are received.

Please note: Downer Group does not accept unsolicited resumes, fees or costs from recruitment agencies, search firms or third parties. Candidates must be submitted through an authorised recruitment process. Unsolicited resumes will become the property of Downer Group and no fee will be payable.

📌 Senior Designer - Mechanical (Brisbane)
🏢 Downer
📍 Brisbane