Arun Aarooren

Projects: Chevron CO₂ De-Pressure Mgmt, Petronas Onshore Receiving Facilities

• Led subsystem architecture design and FAT documentation.
• Defined solution architecture at software/hardware interface level, assessing technical risks and customer alignment.
• Authored and structured system architecture documents, design basis reports, and FAT procedures.
• Collaborated across disciplines to ensure documentation aligned with integration points and compliance standards.
• Developed documentation tailored to operational readiness and asset management requirements.

Projects: Roy Hill Rail TETRA Revamp, Rio Tinto Rail MOXA Replacement, Rion Tinto Tom Price Mine & Rail Upgrade

• Managed system architecture and telecommunications design for brownfield rail upgrades, integrating third-party and legacy systems.
• Developed lifecycle documentation, including test scripts, cutover strategies, maintenance routines, operations procedures, KPIs, and interface control documents.
• Led geographically dispersed engineering teams, ensuring consistency and coordination across signalling, systems, and delivery teams.
• Refined customer-specific rail operation models in collaboration with product and delivery stakeholders.

Projects: Rio Tinto Rail AutoHaul (Driverless Freight), PTA Airport Rail, Rio Tinto Rail Integrated Control & Safety Systems

• Defined subsystem and interface architectures across telecom, control, and signalling disciplines.
• Produced subsystem design documents, operations manuals, commissioning procedures, and risk/BCP handbooks.
• Liaised across software, communications, and civil teams to deliver integrated documentation.
• Led cross-functional workshops with client stakeholders to validate solution fit, safety, and compliance.
• Provided engineering leadership in rail systems safety, interoperability, and integration documentation.

• Owned fibre and subsystem integration documentation for Rio Tinto, and other WA rail projects.
• Delivered design packs, splicing procedures, and commissioning documentation aligned with PTA standards.
• Led site documentation for testing, installation, and operational readiness activities.
• Ensured traceability, QA, and consistency of work packages across construction and integration phases.

• Prepared detailed design and specification documentation for mining and transport infrastructure.
• Worked on projects for BHP Rail, Dampier Port, and Bunbury Highway.
• Involved in tender document preparation, cost estimates, and technical reviews.

• Delivered full lifecycle documentation for turn-key telecommunications infrastructure projects.
• Wrote end-user documentation, configuration guides, and training materials.

• Supported commissioning and telecom operations.