Position Details
Lead critical PLC, SCADA and hazardous area upgrade projects across operating refinery sites.
Working as the client's engineering representative, you'll manage brownfield projects from concept to commissioning, develop technical scopes, coordinate consultants and contractors, and ensure safe, compliant project delivery.
Date of publication 12/10/2026
Location Sydney - Western Sydney, NSW
Industry Engineering
Salary/Pay Not disclosed
Reference number
The important parts
Pay: Hourly flat rate + Super | Duration: 12-month contract (potential for extension)
Hours: Monday-Friday | 40 hours per week | Hybrid flexibility available
What you will be required to do
You'll play a key role delivering critical brownfield upgrade projects across two operating refinery sites.
Acting as the client's engineering representative, you'll oversee engineering consultants and contractors while ensuring projects are delivered safely, compliantly and with minimal disruption to operations.
Manage PLC and SCADA upgrade projects from concept through to commissioning
Develop scopes of work, functional descriptions, control philosophies and cause & effect diagrams
Review and challenge engineering designs developed by external consultants and contractors
Coordinate multidisciplinary engineering inputs across electrical, instrumentation, controls and process disciplines
Full Project Lifecycle oversite - from early concept and definition through to detailed design, construction, comissioning, and handover




Support hazardous area cabling and infrastructure upgrade projects
Provide technical leadership during design, construction, commissioning and handover phases
Participate in HAZOPs, Management of Change (MOC) activities and engineering risk assessments
Work closely with operations teams to ensure successful project delivery within live refinery environments
To be successful in the role you will
Degree qualified in Electrical, Instrumentation, Controls or a related Engineering discipline
Have 10+ years' experience delivering brownfield projects within oil refineries, waste oil refineries, lube oil refineries or similar processing facilities
Solid experience with PLC and SCADA systems and control system upgrades
Demonstrated ability to develop scopes of work, technical documentation and engineering packages from the ground up
Knowledge of Australian hazardous area standards and refinery operating environments
Experience acting as a Project Engineer, Owner's Engineer or client-side engineering representative
Strong stakeholder management and communication skills
A proactive, self-starting and solutions-focused approach
What's on offer for you
Lead critical refinery infrastructure and controls upgrade projects
Work alongside an experienced engineering leadership team
Hybrid work flexibility with a Wetherill Park base
Travel reimbursed for site visits and project-related travel
PPE provided
Long-term contract with the opportunity to see projects through from concept to completion
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