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Date: 9 Jul 2026

Location: Melbourne, VIC, AU, 3002

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Company: Orica

About Orica

At Orica, it’s the power of our people that leads change and shapes our futures. Every day, all around the world, our people help mobilise vital resources essential to progress. Established in 1874, we have grown to become the world leader in mining and civil blasting with a diverse of team of more than 13,000 across the world.

It’s an exciting time to join us – we are shaping the future of mining through digital and automated technologies, embracing new ways of thinking, pioneering innovation and reimagining the way we work.

About the role

We are hiring a Senior Process Design Engineer to play a key role in shaping how our plants are designed and improved across Orica’s global operations.

Reporting to the Process Design Lead, you will develop and review engineering designs, using modelling tools to ensure solutions are safe, efficient and ready for real operations.

You’ll work closely with site teams and external partners to develop designs that support strong plant performance and long-term reliability.

This is a specialist opportunity focused on process design rather than plant operations.

What you will be doing

Lead and deliver process design for capital projects across global manufacturing sites;
Develop key engineering deliverables (PFDs, P&IDs, mass & energy balances);
Perform and contribute to process safety studies (HAZOP, LOPA, relief systems);
Conduct process simulation and modelling (e.g. Aspen, CFD) to validate design performance;
Define plant capacity, equipment sizing, and process optimisation strategies;
Work with external licensors, vendors and consultants to ensure robust technology selection;
Support project delivery through design reviews and technical input across global teams.
What you will bring

Degree in Chemical Engineering;
At least 5 years of experience in process design, modelling, or project engineering;
Strong understanding of process safety and manufacturing principles;
Experience or exposure to process simulation tools (Aspen, ProSim, etc.);
Ability to work across multiple stakeholders and global teams; and
Experience in ammonia, nitric acid, ammonium nitrate or sodium cyanide would be highly regarded.
What we offer

As part of a truly global company, you will have the ability to grow and learn in a diverse, collaborative culture. We foster relationships and learning through connected global and local teams, promote flexible and diverse career paths and support the development of your knowledge and skills.

You will be paid a competitive salary, learn from talented individuals across multiple disciplines and be able to thrive in a safe workplace within a collaborative culture. Ignite your career at a place where your distinct potential can find its home.

We respect and value all

Orica promotes and fosters a culture of inclusion and Equal Opportunity Employment everywhere we operate. We treat our people and applicants with fairness, dignity, and respect, getting the best of everyone’s contributions.

All qualified applicants will receive consideration for employment without regard to race, religion, sexual orientation, gender perception or identity, nationality, age, military or veteran, marital or disability status.

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