Senior Digital Solutions Consultant (OT networking)

We deliver the world’s most complex projects. Work as part of a collaborative and inclusive team. Enjoy a varied & challenging role. Building on our past. Ready for the future Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia. Right now, we’re bridging two worlds as we accelerate to more sustainable energy sources, while helping our customers provide the energy, chemicals and resources that society needs now. We partner with our customers to deliver projects and create value over the life of their portfolio of assets. We solve complex problems by finding integrated data-centric solutions from the first stages of consulting and engineering to installation and commissioning, to the last stages of decommissioning and remediation. Join us and help drive innovation and sustainability in our projects.

As a Senior Digital Solutions Consultant with Worley, you will work closely with our existing team to deliver projects for our clients while continuing to develop your skills and experience etc. Worley is seeking an experienced Operational Technology Networking Engineer to support the design and delivery of secure, resilient, and fit-for-purpose OT network infrastructure for mining, resources, and industrial environments. The role will develop and review OT network architectures, segmentation models, connectivity designs, and integration solutions supporting SCADA, PLC, DCS, telemetry, autonomous systems, mobile fleet communications, and production-critical digital platforms across greenfield and brownfield projects. The ideal candidate will bring strong OT networking experience, practical understanding of industrial communications and cybersecurity-by-design, and the ability to work collaboratively across engineering, cybersecurity, telecommunications, vendor, and client teams. Key Accountabilities Develop OT network architectures across industrial control, telecommunications, edge, integration, and cybersecurity domains, ensuring alignment with client requirements, operational objectives, and project delivery phases. Develop OT network standards and requirements documentation in collaboration with client OT systems stakeholders to achieve client capability objectives. Produce engineering artefacts including OT network architecture diagrams, network segmentation models, connectivity drawings, interface specifications, IP addressing strategies, firewall zoning concepts, routing concepts, wireless backhaul integration views, and implementation-ready design inputs. Design and review OT network infrastructure supporting SCADA, PLCs, DCS, telemetry, industrial applications, remote operations, mobile fleet systems, and autonomous mining systems. Provide technical input into IT/OT convergence strategies, including segmentation, secure connectivity, edge-to-cloud integration, and operational data transport across levels 1-4. Apply OT cybersecurity-by-design principles, including network segmentation, defence-in-depth, Zero Trust concepts, microsegmentation, secure remote access, and controlled integration between OT and enterprise networks. Ensure OT network designs consider relevant standards and frameworks, including IEC 62443, ISO 27001, NIST CSF, SOCI Act obligations where applicable, ISA-95 concepts, secure industrial protocols, and client-specific engineering standards. Support the selection, assessment, and integration of network equipment, industrial switches, routers, wireless systems, firewalls, gateways, network management platforms, and OT monitoring tools. Review vendor, subcontractor, and system integrator designs for compliance with engineering principles, client standards, project specifications, constructability, maintainability, and cybersecurity requirements. Coordinate with cybersecurity, control systems, telecommunications, electrical, digital, and operations teams to ensure OT network designs support safety, reliability, operational