About Ryonex

We are a growing specialist engineering company delivering solutions for de-ionised water, powder handling, chemical and mechanical systems. Our primary focus is supporting the powder coating and surface finishing industries through cutting-edge design, project delivery, commissioning, and technical support.

About the Role

We are seeking a motivated Graduate Mechanical Engineer to support the design, delivery, commissioning, and continuous improvement of industrial plant projects. This role combines office-based engineering and design work with occasional field-based activities, providing exposure to the full project lifecycle from concept through to commissioning and operational support. A strong capability in Autodesk Plant 3D is essential, including project setup, management, and coordination.

Key Responsibilities

- Develop and maintain 3D plant models using Autodesk Plant 3D.

- Produce and manage P&IDs;, piping layouts, isometrics, GA drawings, and engineering documentation.

- Set up, manage, and coordinate Plant 3D project environments, ensuring model integrity and drawing control.

- Support project delivery through design reviews, coordination meetings, and technical documentation.

- Conduct site visits for inspections, field verification, and project support.

- Assist with troubleshooting plant and equipment issues and develop practical engineering solutions.

- Support system testing, Factory Acceptance Testing (FATs), commissioning, and operational handover activities.

- Work collaboratively with mechanical, electrical, process, and automation personnel.





- Ensure all engineering activities comply with company procedures, client requirements, and relevant Australian Standards.

- Promote and maintain a strong commitment to workplace health, safety, environmental requirements, and risk management practices.

Skills and Experience

Requirements

- Bachelor of Mechanical Engineering.

- Proficiency in Autodesk Plant 3D and AutoCAD.

- Ability to manage and coordinate Plant 3D projects and deliverables.

- Strong problem-solving, communication, and organisational skills.

- Ability to work both independently and within multidisciplinary teams.

- Willingness to undertake occasional site work and commissioning activities.

Desirable
- Exposure to industrial, process, water, manufacturing, mining, or energy projects.

- Knowledge of P&IDs;, process systems, and piping design.

- Familiarity with project management platforms.

Personal Attributes

- Reliable and organised.

- Robust attention to detail.

- Enjoys solving problems and troubleshooting.

- Proactive and willing to ask questions when unsure.

- Able to work independently and as part of a team.

- Positive attitude and willingness to learn, particularly fundamentals of electrical systems, pneumatics, instrumentation, and process design.

- Strong focus on safety, integrity, quality and compliance.

How to Apply

Please submit your resume and a short cover letter to @ryonex.com.au outlining your relevant experience and interest in the role. Due date is before 5pm Friday, 21 August 2026.

📌 Graduate Mechanical Engineer – Plant Design & Projects (Saint Marys)
🏢 Ryonex Group
📍 Saint Marys