Senior Designer - Mechanical

The Opportunity

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

This is a unique hybrid role that combines P&ID ownership with advanced piping design and 3D modelling capability. You will be responsible for developing and maintaining P&IDs from process intent through to Issue for Construction documentation, while carrying that intent through the 3D piping model, isometrics and fabrication packages.

Working alongside Process Engineers, Mechanical Engineers and multidisciplinary project teams, you will play a critical role in delivering high quality designs for mineral processing projects across Australia and internationally.

This position is ideally suited to a designer who can work independently, apply sound engineering judgement and confidently develop solutions from first principles rather than relying on detailed mark ups.

Key responsibilities include:

• Develop P&IDs from process flow diagrams, mass balances and equipment lists
• Own P&ID development throughout the project lifecycle from concept to as built documentation
• Establish and maintain line numbering, equipment tagging and instrument conventions
• Identify and apply specification breaks, isolation philosophy, drains, vents, sample points and service connections
• Develop 3D piping models in AutoCAD Plant 3D
• Produce general arrangements, isometrics, support drawings and material take offs
• Coordinate clash detection and multidisciplinary design reviews
• Lead P&ID squad checks and technical quality reviews
• Support capability development across the drafting and design team
• Apply safety in design principles to ensure maintainable, operable and safe plant designs

What We're Looking For

To be successful in this role, you will bring extensive experience in process plant design drafting with a strong focus on P&ID development and piping design.

You will be able to demonstrate the ability to:

• Take a flowsheet and mass balance and develop a first pass P&ID that requires review rather than complete redevelopment
• Define and justify specification breaks and understand the impact of incorrect placement
• Build and manage line numbering systems across large and complex projects
• Interpret instrument tags and understand complete control loop requirements
• Route slurry pipelines with consideration for velocity, wear, maintenance, drainage and flushing requirements
• Configure and manage AutoCAD Plant 3D projects including specifications, catalogues, class definitions and validation rules
• Deliver piping designs from P&ID through to fabrication ready drawing packages
• Identify maintainability, drainage and isolation issues within mineral processing circuits

You will also possess:

• Trade qualification, Advanced Diploma or associate degree in drafting, design or a related engineering discipline
• 10+ years' experience in process plant design drafting
• Minimum 5 years' experience producing P&IDs as a primary deliverable
• Demonstrated ownership of P&ID development on major projects
• Advanced AutoCAD Plant 3D capabilities across both P&ID and piping disciplines
• Experience within mining, mineral processing or heavy industrial environments
• Strong understanding of ISA 5.1 tagging standards and recognised P&ID conventions
• Experience using smart P&ID systems and associated databases
• Knowledge of Autodesk Construction Cloud environments

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
• Opportunity to work on complex mineral processing projects across global operations
• 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 solutions within the mining and minerals processing industry

About Mineral Technologies

Mineral Technologies, a subsidiary of Downer, is renowned as the world’s most relied upon fine mineral processing solutions provider. For more than 80 years we have partnered with customers in mining operations to deliver innovative, cost-effective process solutions for a wide range of fine minerals. 

Our teams help customers to produce quality mineral products that are used to manufacture everyday items including paint, ceramics, glass, steel making, sunscreen, cosmetics and much more. Recognised for our expertise, we employ a skilled and diverse workforce delivering metallurgical testing, equipment manufacturing and engineering solutions. Our teams are based in key mining regions across Australia, India, Africa, North and South America.

How to Apply

Click Apply Now to submit your application.

We encourage applications from candidates who have strong P&ID ownership experience and can demonstrate the ability to independently develop process plant designs from concept through to detailed design and fabrication.

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.