Christopher Yiu Email & Phone Number

Sydney, Nsw, Au

North Parramatta, New South Wales, Au

As the IT Service Owner for Networks, I ensure the delivery of reliable, secure, and high-performance network services that support the operational and strategic needs of the organization. My role focuses on the end-to-end lifecycle management of network services, covering everything from design and implementation to monitoring, maintenance, and continuous improvement.I work closely with internal teams, vendors, and stakeholders to provide seamless network connectivity, ensuring our infrastructure aligns with evolving business requirements. My responsibilities include overseeing network architecture, performance optimization, and incident resolution to enhance service quality and user experience. Additionally, I drive initiatives that enhance security, scalability, and resilience across our network services, while balancing cost-efficiency with cutting-edge technology adoption.With a commitment to innovation and operational excellence, I proactively address network challenges, support digital transformation, and enable the organization to thrive in an increasingly connected world.Key Areas:Network Infrastructure ManagementPerformance Optimization & TroubleshootingSecurity & ComplianceStakeholder Collaboration & Vendor ManagementContinuous Improvement & Innovation

Melbourne, Victoria, Au

- Leading and Supporting Telstra Health’s Cloud Adoption Framework (CAF)- Managing, mentoring and leading TechOps teams across Cloud and On-Prem Infrastructure promoting collaboration, communication, and professional development.- Manage incident, Problem and Change Management practices.- I.T Budget and Forecast Planning.

Melbourne, Victoria, Au

Experience:- Designing and supporting I.T Infrastructure for Australian Federal Government Departments and Private sectors within the Healthcare sector on a number of healthcare initiatives for Digital Health solutions.- Manage a team of System and DevOps Engineers to build, support, and maintain Telstra Health Infrastructure and Hosting requirements for both Cloud and On-Premise deployments- Working directly with Telstra Health’s CTO on I.T. strategy and roadmaps, and translating that strategy into a framework that can be delivered to ensure they meet the required business outcomes.- Making business decisions for I.T vendor partnerships to suit the company’s I.T strategy.- Work closely with Engineering, Developers, Application, Sales and Management teams to brainstorm, design, define, schedule and deliver in an agile environment.- Work with our customers requirements via calls, visits, customer meetings, data analysis and travel to conferences and customer sites to understand their requirements and help define the underlying infrastructure and hosting to support their digital health care solution.- Build and maintain internal Telstra Health operational branches, contact centres, datacenter networks and infrastructure ensuring high-availability, resilient and secure infrastructure complies with ISM requirements.- Data Centre Migrations from On-Premise to Cloud and vice versa.- Lead Network Infrastructure Designer for the Australian 1800 Respect Program. - Lead Network Infrastructure Designer for the Australian National Cancer Screening Register (NCSR)

Melbourne, Vic, Au

Emerging Systems provided expertise in specialist IT services and solutions to the health sector since 1999. We bring together some of Australia's best practitioners with expertise in software and web development, network integration, security, datacenter hosting technology and operating environments. We take ownership of client problems then build and deliver cost effective solutions. Emerging Systems was acquired by Telstra Corporation Limited and is part of Telstra Health.Experience:- Working with and supporting tier one customers within the Financial, Government, Health and Private Sectors.- Design and implement network infrastructure related improvements, migrations and integration projects for both internal and external customers.- Design, implement and manage LAN/WAN deployments for both internal and external customers.- Design, implement and manage firewall and VPN’s across multiple branch sites and datacenters.- Migrating St George Bank's Data Centre into new Colocation and upgrading core infrastructure. - Lead Network SME for the migration of the Australian Security Exchange (ASX) Datacenter into their new colocation.- Lead Engineer for the design and deployment of the national Free Hungry Jack's WiFi deployment. Deploying over 340 stores across Australia- Resident Engineer at NSC assisting in pre-sales and post sale support for the data networking portfolio

Morristown, New Jersey, Us

- Assisting Sales Teams on new tenders and technical knowledge for hardware and network design.- Providing Demo’s and Training on WLAN and Security portfolio for both Customer’s and Avaya Partners- Develop documentation for SoW’s, Best Practices, Network Design, Security and Implementation Procedures, WLAN Site Survey and RF Planning Reporting.- Developed RMIT University’s WLAN Engineering Guidelines and deploying/migrating Trapeze Networks wireless security switches with over 1500 AP’s into their existing Nortel/Avaya WLAN solution.- Provide WLAN design, implementation and post support for the Australian Security Exchange on the delivery of their WLAN solution and incorporating the design into their existing corporate infrastructure.- Provided a re-design of Queanbeyan City Councils WLAN solution which consisted of trouble-shooting existing problems and re-designing the WLAN infrastructure. Also implemented WLAN design into existing MS Active Directory and CA for 802.1x support.- Provide consultancy on WLAN Security Risk and Management for Western Australia Parliamentary Services Department then implementing the Security design into the customer’s existing network.- Provide Consultancy on Westpac’s Internet Banking SSL acceleration security solution. Providing recommendation and documentation on upgrade procedures, load testing and traffic pattern requirements, trouble-shooting and interfacing with Sustaining and Engineering teams for solution developments.

Ca

Working in Nortel TAC providing support in Asia PAC on data and security products.

Melbourne, Victoria, Au