Senior Systems & Controls Technician

Job Description

A new position has been created to provide technical support and leadership for the site’s process control and automation systems, with a strong focus on industrial networking, DCS and PLC platforms, and PI System/PI Vision maintenance. The role is responsible for maintaining the reliability, integrity, and performance of these systems, supporting fault finding and continuous improvement, and ensuring control infrastructure remains fit for purpose. This position is suited to a person with a strong electrical, instrumentation, automation, or control systems background, with the ability to work across multiple technologies and support the wider maintenance team.

Key Tasks and Responsibilities

• Maintain and support the site’s DCS, PLC, HMI, industrial network and PI System/PI Vision infrastructure to ensure reliability, availability and data integrity.
• Carry out system health checks, backups, patching, fault finding and minor configuration or logic changes in line with site standards and change control requirements.
• Support ongoing maintenance and development of the Waihi PI System, including tag integrity, data quality, visualisation performance and user support.
• Maintain and verify critical field instrumentation and control loops to support safe, stable and efficient plant operation.
• Lead or support fault finding, root cause analysis and corrective actions for automation, instrumentation and control system issues.
• Support control system upgrades, migrations and modifications, including testing, commissioning and management of change requirements.
• Provide high-level technical support to maintenance and operations teams during breakdowns, shutdowns and planned work.
• Work closely with operations, maintenance and contractors to coordinate priorities, support shutdowns and deliver reliable plant outcomes.
• Carry out all work in line with site safety, risk, environmental and permit requirements, and support compliance activities associated with control systems and instrumentation.

Qualifications

• Relevant qualification or equivalent experience in electrical, instrumentation, automation or control systems.
• Strong experience maintaining and troubleshooting process plant control systems, including DCS, PLC, HMI, instrumentation and industrial networks.
• Experience supporting PI System/PI Vision or similar plant data and visualisation platforms.
• Ability to interpret technical drawings and schematics, including wiring diagrams, loop drawings and P&IDs.
• Experience in a senior maintenance, technical support or supervisory role.
• Familiarity with OEM automation platforms, cybersecurity practices and control system change management.

Additional Information

WHAT'S ON OFFER:

• Residential role - live and work in Waihi, the gateway to the stunning Coromandel region
• 9-day fortnight lifestyle roster
• Competitive salary + short-term
• Free Southern Cross Healthcare
• Life Insurance
• Free Gym Membership 
• Discounts on retail and services
• BP Fuel card discount
• Career Development Opportunities 
• Long service recognition
• Living Our Values recognition program
• Access to OceanaGold Employee Assistance Program (EAP)
• Exceptional working environment where people are valued and respected
   

YOU MATTER: OceanaGold is committed to providing equal employment opportunities. We believe a variety of perspectives are not only welcome – they are essential to our success. Should you require any assistance applying for this opportunity, please contact us at [email protected]

Applications close 13 June 2026.  Shortlisting will commence immediately. Applicants must be eligible to work in New Zealand.

PLEASE NOTE: APPLICATIONS FROM AGENCIES WILL NOT BE ACCEPTED