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Downer

Principal Mechanical Engineer

Engineering

Posted 18/06/2026
Closes 02/07/2026

Carrara, 4211, Gold Coast, Queensland

Full time

Not specified

Who We Are 

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.

About the Role

The Principal Mechanical Engineer will lean on extensive industry experience to ensure all engineering project work complies with statutory and regulatory requirements and company policies and practices. Additionally, the Principal Mechanical Engineer will drive growth of overall discipline capability in line with business strategies and targets. The Principal Mechanical Engineer will liase with Department Managers, Project Managers, Study Managers, other engineering Discipline Principals/Leads, Designers and the broader engineering team to oversee and deliver engineering work product and strategic growth initiatives. The successful incumbent can envision themselves attending to duties such as:

  • Review, approve and govern mechanical engineering deliverables (concept through to EPCM)
  • Solve complex technical challenges across mineral processing projects
  • Provide leadership, coaching and mentoring across the engineering team
  • Ensure compliance with statutory, safety and design standards (SiD / HSEC)

About You

  • Degree in Mechanical Engineering + Chartered / RPEQ (highly regarded) 
  • 15+ years’ experience in mining / mineral processing design environments 
  • Strong experience across study phases: Concept → Feasibility → Detailed Design → EPCM 
  • Demonstrated leadership in mentoring and developing engineering teams 
  • Deep expertise in wet plant design (pumping, piping, slurry systems) 
  • Strong knowledge of mechanical equipment selection and plant layout 
  • Proven capability in technical reviews, calculations and specifications 
  • Experience with HAZIDs, HAZOPs and engineering risk reviews

What We Offer 

  • Employee benefits including health and wellness initiatives
  • Access to Downer Group benefits
  • Personalised career development and growth working with an industry leading team
  • Competitive remuneration package
  • Safety focused culture working within in leading services industry
  • Management support coupled with ongoing training and mentoring  
  • Career enhancing opportunity to work within an ASX limited company

As an employer who embraces Equal Opportunity and promotes diversity, we encourage men and women of all ages and backgrounds, including Indigenous Australians, to apply. 

To join the Mineral Technologies team please select “apply now” 
We respectfully request no recruitment agency approaches. Please be advised that email applications will not be accepted.

Applications open to:

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We acknowledge the Traditional Owners of the land where we work and live. We pay our respects to Elders past, present and emerging and celebrate the stories, culture and traditions of Aboriginal and Torres Strait Islander Elders of all communities who also work and live on this land.