Senior Instrumentation Engineer

Building on our past. Ready for the future Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions. Job Title We are looking for a professional with a strong focus on the implementation, integration, and commissioning of industrial automation systems, capable of acting as a technical lead throughout all project phases, from conceptual and detailed engineering through FAT, SAT, commissioning, and start-up. The candidate must have proven experience in the integration of DCS, PLC, SCADA, and SIS systems, as well as in coordinating interfaces between plant control systems and third-party package equipment. The role will be responsible for ensuring safe, robust, and efficient automation system integration, actively participating in technical reviews, functional testing, interface validation, troubleshooting, and commissioning activities. Experience in large-scale mining projects will be highly valued, along with the ability to interact with clients, system integrators, vendors, and international multidisciplinary teams. Availability for travel associated with FAT, SAT, integration testing, commissioning, and on-site support is also required. Principal Responsibilities: Lead Basic Engineering, FEED, and Detailed Engineering development for Instrumentation and Control systems in mining, lithium, Oil & Gas, power generation, and industrial plant projects. Prepare, review, and approve technical documentation, including: Loop Diagrams Instrument Index and I/O Lists Instrument Data Sheets Technical Specifications and Design Criteria Wiring, Termination, and Control Architecture Diagrams Control Philosophies and Interface Documents Develop and review automation architectures, industrial telecommunications systems, and control networks based on PLC, DCS, SCADA, and SIS technologies. Technically manage the integration between plant control systems and Package Units, including: Definition of interface responsibilities Hardwired and network-based signal exchanges Modbus TCP/IP, OPC UA, EtherNet/IP, Profinet, and equivalent protocols Cause & Effect and interlock reviews between systems Coordinate Package Unit vendors to ensure compliance with automation, cybersecurity, and operational interface requirements. Lead Factory Acceptance Tests (FAT), Integrated FAT (IFAT), Site Acceptance Tests (SAT), Pre-Commissioning, Commissioning, and Start-Up activities. Participate in multidisciplinary technical reviews, HAZOPs, SIL Reviews, Design Reviews, and Model Reviews. Support the preparation of RFQs, TBEs, technical evaluations, and vendor selection processes for instrumentation and control systems. Provide technical support during construction, installation, functional testing, energization, and commissioning activities. Maintain effective technical communication with clients, system integrators, and international vendors in English. Availability for domestic and international travel related to FAT, SAT, integration testing, commissioning, and site support activities. What you will bring Degree in Electronic Engineering, Systems Engineering, Automation Engineering, or related disciplines. Minimum 10 years of experience in similar positions within engineering consulting firms, EPC contractors, or process industries. Fluent English, both written and spoken (advanced level), with the ability to participate in technical meetings and prepare bilingual documentation. Strong knowledge of applicable standards and codes, including ISA, IEC, API, ANSI, NEC, and NFPA. Experience in