Nhut Phung

• Design, implement, and maintain robust DevOps workflows and infrastructure to enhance software delivery efficiency. • Collaborate with development, operations, and product teams to drive automation, scalability, and operational excellence. • Automate provisioning, configuration management, testing, and deployment to improve reliability and efficiency. • Architect and maintain scalable infrastructure to support the evolving needs of the Sustainability Control Tower platform.

- Manage and develop CICD, platform, and custom pipelines using Jenkins Groovy, JTE, and DSL, improving deployment efficiency by 30% - Implement and maintain AWS infrastructure including EC2, EKS, ECS, RDS, Route53, and more - Migrate and operate Kubernetes (EKS) for multi-tenants using Helm charts - Enhance code quality and security via SAST (Checkmarx/Snyk), SCA (SonaType), and CSS (Prisma/Snyk) - Collaborate across seven teams, cutting project delivery timelines by 50%

• Managed and developed Infrastructure as Code (IaC) using Terraform and Configuration Management (CM) with Ansible. • Implemented and maintained the infrastructure on AWS. • Created Kubernetes manifests for multi-tenant environments (EKS) using Helm charts with Jenkins. • Used Jenkins to develop pipelines for automating CI/CD processes. • Experienced with Policy as Code (OPA) to enhance security. • Understood monitoring and logging with Prometheus and Grafana.

- Provided L3 support for banking customers such as STB and Aldermore, adhering to GDPR - Administered Windows Servers (2008, 2012, 2016), including installation, configuration, and troubleshooting - Managed Windows Server instances on VMware ESX Hosts, customizing VMs and resolving issues - Automated tasks using PowerShell, reducing incident resolution time - Managed patches and monitored system logs using SCCM and SCOM - Supported 24/7 production, handling infrastructure and CI/CD for 25 customers

• Deployed and administered Windows Server systems, boosting uptime by 30%. • Maintained HP DL380 server hardware, reducing downtime by 25% using iLO for troubleshooting. • Improved internal documentation, OS standards, and refresh cycles, increasing team efficiency by 15%. • Streamlined user access in Active Directory, enhancing efficiency by 40%. • Used PRTG Monitor for network troubleshooting, improving reliability by 20%. • Resolved 95% of user issues, enhancing system performance by 30%.

• Provided on-call support for installation and troubleshooting, achieving a 95% first-call resolution rate. • Configured Cisco Switches and Nexus 9K devices, improving network performance by 30%. • Installed, configured, and troubleshot Cisco Routers, increasing network uptime to 99.9%. • Supported and troubleshot VLANs on L2/L3 Cisco Switches and Routers, reducing network latency by 25%. • Used PRTG Monitor to boost network efficiency by 15%. • Completed IP readdressing and upgrades 20% ahead of schedule.

Verified with ZAB for my Bachelor of Engineering at University of Information Systems, Vietnam National University