Jack Liu Email & Phone Number

Optima Technology - Interim Devops Lead• Uplifting application team’s infrastructure and Devops capability.• Building CI / CD pipeline for multiple projects initiatives• Building the foundation of Observability and implementing observability solutions for corepayment file functionality and third-party integration.• Establishing and advocating the culture of service level objectives and service level indicators,• Advocate the culture and need of observability in order to allow business to make datainformed decisions• Infrastructure solution design for 3rd party vendor integration and in house applicationdevelopment.• Supporting and enabling cross functional application development.• Management of Devops team capacity and prioritisation of initiative and task.Middy's Electrical – Frontend QA• Building functional test case scenarios for front-end web page via Cypress framework.• Enable multi-environment functional test case scenarios.• Automating functional testing via Azure Devops Pipeline.• Building Test / Stage / Production CI pipeline for schedule testing.

• Uplifting application team’s infrastructure and Devops capability. • Building CI / CD pipeline for multiple projects initiatives• Building the foundation of Observability and implementing observability solutions for corepayment file functionality and third-party integration.• Establishing and advocating the culture of service level objectives and service level indicators,• Advocate the culture and need of observability in order to allow business to make datainformed decisions• Infrastructure solution design for 3rd party vendor integration and in house applicationdevelopment.• Supporting and enabling cross functional application development.• Management of Devops team capacity and prioritisation of initiative and task.• Development of Terraform Service Module

Middy's Electrical - Nov 2023 - Dec 2023Building functional test case scenarios for front-end web page via Cypress framework.Enable multi-environment functional test case scenarios.Automating functional testing via Azure Devops Pipeline.Building Test / Stage / Production CI pipeline for schedule testing.

Site Reliability Engineer• Building end to end incident management process and setting up fundamental teamstructures, incident severity, escalation policy, on-call timetables across organisations.• Defining on-call policy and process of escalation points.• Advocating process how of respond to incident and performing post incident reports (PIR).• Building incident management as Infrastructure as code via Terraform.• Building end to end monitoring framework via Sumologic.• Build default template for Sumologic account wide AWS collector.• Build and setup the process of how to implementing ADOT (AWS Distro OpenTelemetry) intovarious application teams throughout organisation.• Building guardrails & templates for application logging / metrics / tracing.• Assisting application team to define SLA, SLO, SLI

University of Sydney – Devops Engineer• Containerise University of Sydney 's student management system and automate provisioningsandbox environments for development use.• Build AWS Code Pipeline /CodeBuild Projects through the use of AWS CDK.• Automate Docker Image creation and Application Component extraction via CI pipeline.• Automate Multiple Sandbox deployment via CD pipeline.• Automate and Create Start/Stop Mechanism for Cost Optimisation.• Stakeholder management with multiple milestones showcase with live demonstration.

Credit Risk Engine Replacement (Microservices ) - Sept - December 2022Devops pipeline setup of Credit Risk engine calculation replacement (CreN).Involved with data aggregation and Java code testing with cucumber.Setup IAM & infrastructure of RDS log shipping from Cloudwatch to Splunk.Setup App-Dynamic and App Dynamic alerts on Java applications.GRACE (Enterprise Risk & Compliance Engine) - 2020- 2022Setup and migration of Enterprise Risk and Compliance Engine to AWS. Including de-commissioning obsolete Risksmart application and data migration.Setup infrastructure of GRACE application and Setup ETL data exports and imports.AchievementSatisfy and re-align infrastructure design with Cloud Adoption Standards & technical requirements.Supported Enterprise Governance and Compliance engine townhall demonstrationProvisioned Application environment for Data migration.Completed SIT Configuration testing with DFS implemented.Migration of all Grace related infrastructure to a different AWS account with no downtime.Utilising AWS auto-scaling group for immutable resources in order to maximize cost-savings.Aligned RDS (MSSQL) infrastructure to Cloud Security Assurance Methodology Assessment.Implemented Grace App dynamic & Splunk Configuration to DEV/PPTE/Prod environment)Implemented Grace application Multi-AZ /DR implementation.Implemented centralized access controlled bastion for ODS security purpose.Completed SAML 2.0 Integration with Grace application.Completed and implemented the MyID integration with Grace application.Risk Frontier AWS Migration - June 2019 - Sept 2019Migration of economic forecast application from on-premise to AWS.Deployment and design of infrastructure with Cloudformation.Perform a silent install and Monte Carlos run on migrated environment.

Migration of enterprise risk applications (RSA Archer & Risk Frontier) to AWS.Infrastructure support and maintenance e.g. Server patching, infrastructure stack update and package deployment.Development of cloud infrastructure with AWS Cloudformaton and YAML templates.Disaster Recovery planning and rotation.Development of ETL integration layer with batch runs and data transformation.Database capacity and performance management with MSSQL / Postgres SQL.Daily System administration with Unix/ Linux or PowerShell for Windows.Application development with Python and testing with Pytest.Application development with Java microservices application and Spring Framework.

Bachelor Of Design

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