Platform Engineer at JobsDB by SEEK (2024-11 – 2026-08)
Supported AWS cloud platform operations and account lifecycle management, focusing on operational stability, governance, and infrastructure support across a large multi-account environment.
- Managed day-to-day lifecycle and operational activities of more than 300 AWS accounts (creation, renaming, closure, clean-up, and tagging governance)
- Supported AWS and GCP cloud operations, troubleshooting, and change activities
- Handled account cleanup, resource governance, and operational hygiene
- Supported platform documentation, process improvement, and cross-team coordination
- Assisted with infrastructure-as-code related operational tasks and platform support
- Led the migration of SEEK's remaining AWS Classic accounts to the Unified model, completing 56 out of 76 in-scope accounts before handover
- Contributed to the AWS tools uplift program, including migration of legacy StackSets, decommissioning of legacy resources, and Control Tower / AFT enrolment
- Supported the transition of legacy EC2 backup stacks to a more standardised and governance-aligned backup approach
- Investigated and remediated unnecessary cloud costs caused by misconfigured shared S3 resources
- Improved tagging compliance, technical documentation, QuickSight dashboards, and cross-team communication processes
- Completed Google Cloud Engineer online training in 2025
Senior Systems Engineer at JobsDB by SEEK (2022-12 – 2024-11)
Supported regional data centres and AWS-based hybrid environments, covering Windows and Linux systems, VMware infrastructure, Active Directory, DNS, NFS, Netscaler, SMTP, monitoring platforms, and multiple migration and consolidation initiatives.
- Supported hybrid infrastructure across on-premises data centres and AWS environments
- Administered and supported Windows, Linux, Active Directory, DNS, SMTP, VMware ESXi, NFS, and Netscaler platforms
- Participated in workload migration, infrastructure retirement, and platform consolidation activities
- Used PRTG, Splunk, and Datadog for monitoring and operational support
- Troubleshot AWS networking and security issues, including VPC peering, Direct Connect, routing, security groups, and endpoints
- Planned and executed production changes, cutovers, and cross-team implementation activities
- Contributed to the migration and modernisation of more than 200 servers and workloads
- Consolidated VMware vCenter environments and supported retirement of legacy VMware ESXi hosts
- Supported retirement of NetApp and Dell EqualLogic storage, including cleanup and consolidation
- Contributed to SAN storage refresh, VMware storage alignment, and NFS migration
- Supported upgrades and migration of legacy systems to AWS and newer platforms
- Re-deployed VMware SRM protection and completed successful dry-run validation
- Supported AWS cost optimisation through backup housekeeping, resource cleanup, and rightsizing
Senior IT Infrastructure Engineer at JobsDB HK Ltd. (2016-07 – 2022-12)
Supported and managed enterprise infrastructure across regional data centres and office environments, covering Windows and Linux servers, VMware platforms, storage, backup, monitoring, networking, and infrastructure enhancement initiatives.
- Supported and administered enterprise on-premises infrastructure across regional data centres and office environments
- Maintained Windows, Linux, VMware ESXi, vCenter, storage, backup, monitoring, and networking platforms
- Supported Active Directory, DNS, Exchange on-premises, and selected Microsoft 365-related work
- Performed system upgrades, migrations, DR preparation, patch management, audit support, and production support
- Worked with vendors, internal teams, and audit parties on infrastructure delivery and support
- Supported regional data centre consolidation from Hong Kong and Thailand into Singapore
- Contributed to Cloudflare CDN evaluation, rollout, and migration from Azure CDN
- Supported DR drill preparation and execution, including VMware SRM readiness
- Improved infrastructure resilience through domain controller deployment and proactive risk remediation
- Delivered VMware platform enhancements including vCenter consolidation and monitoring setup
- Migrated office and development servers to VMware and Singapore data centre environments
- Helped implement Azure Update Management and supported patching for over 600 servers
- Performed storage housekeeping and optimisation on NetApp and VMware environments
- Supported database uplift, DNS updates, and AWS RDS migration preparation
- Assisted with PwC IT audits and infrastructure evidence preparation
Infrastructure Specialist, Senior System and Network Administrator, System and Network Administrator, and Network and Systems Engineer at Integrated Display Technology Ltd. (2003-05 – 2016-07)
Held progressive roles. Responsible for enterprise infrastructure, systems, network, server, storage, backup, and operational support. Gained strong experience in Windows and Linux administration, server and storage support, virtualization, network devices, firewall and VPN support, Active Directory, email systems, application support, and vendor management.
