Control Systems Engineer

Orica Limited; Mayfield; On-site; AUD 120,000 - 160,000; Full time

Job summary

Orica seeks a Control Systems Engineer for its Kooragang Island site in New South Wales. This permanent, full-time, on-site role focuses on maintaining and improving OT systems, including DCS, PLC and safety instrumented systems, to ensure safe and reliable plant operation.

You will troubleshoot, implement changes and lifecycle upgrades while collaborating across operations, maintenance and engineering teams, in a challenging industrial environment.

Qualifications

• Bachelor’s degree in Electrical, Electronics, Process Control or Mechatronics Engineering.
• Experience with industrial control systems in manufacturing, processing or similar operational environments.
• Knowledge of DCS, PLC, safety systems and process control strategies.

Responsibilities

• Maintain and support site DCS, PLC and Safety Instrumented Systems.
• Troubleshoot control system issues and provide practical technical solutions to minimize disruption.
• Manage system changes, upgrades and lifecycle requirements under MOC processes.
• Maintain OT documentation including control logic, system architecture, backups and restoration procedures.
• Support process historians, alarm management and other OT platforms.
• Contribute to HAZOP, CHAZOP and LOPA activities, as well as commissioning and improvement projects.

Skills

Industrial control systems

DCS & PLC

Troubleshooting

OT security

Cross-functional teamwork

Education

Bachelor’s degree in Electrical, Electronics, Process Control or Mechatronics Engineering

Tools

Honeywell Experion PKS

Yokogawa

Siemens

Triconex/Trident

Rockwell

Job description

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Date: 30 Oct 2026

Location: Mayfield, Newcastle, NSW, AU, 2304

Company: Orica

About Orica

About the role

We are seeking aControl Systems Engineer to join our team at our Kooragang Island manufacturing facility in New South Wales. This is a permanent, full-time, site-based position working a standard Monday-to-Friday schedule.

Orica’s Kooragang Island manufacturing complex includes an ammonia plant, three nitric acid plants and two ammonium nitrate plants, supported by significant dispatch operations for bagged, containerised and bulk products.

In this role, you will help maintain the safe, reliable and effective operation of the site’s Operational Technology systems, including Safety Instrumented Systems, Distributed Control Systems and Programmable Logic Controllers. You will provide hands-on technical support, troubleshooting and fault finding while contributing to system improvements, lifecycle planning and control system projects.

This role is an excellent opportunity for an engineer with experience in industrial control systems, manufacturing operations or control system programming.

What you will be doing

• Maintain and support site DCS, PLC and Safety Instrumented Systems, ensuring safe and reliable plant operation;
• Troubleshoot control system issues and provide practical technical solutions to minimise operational disruption;
• Manage system changes, upgrades and lifecycle requirements in line withManagement of Change processes;
• Maintain Operational Technology documentation, including control logic, system architecture, backups and restoration procedures;
• Support process historians, alarm management systems and other critical Operational Technology platforms;
• Contribute toHAZOP, CHAZOP and LOPA activities, as well as control system commissioning and improvement projects.

What you will bring

• A bachelor’s degree in Electrical, Electronics, Process Control or Mechatronics Engineering;
• Practical experience working with industrial control systems in manufacturing, processing, production or a similar operational environment;
• Knowledge ofDCS, PLC, safety systems and process control strategies, with strong troubleshooting and fault-finding capability;
• Experience with platforms such asHoneywell Experion PKS, Yokogawa, Siemens, Triconex/Trident or Rockwell will be highly regarded;
• Exposure to Operational Technology systems such as process historians, alarm management, virtualised environments or OT security is advantageous;
• Strong problem-solving, communication and collaboration skills, with the ability to work effectively across operations, maintenance and engineering teams.

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.