Detailed career timeline.

Professional experience

1. Mar 2026 – Present

   Senior DevOps Specialist

   Orbix Custodian

   • Coordinate releases across application, infrastructure, and security teams — collect requirements, agree change windows, run deployments, and follow up on issues.
   • Deploy services onto Amazon EKS and maintain Jenkins pipelines that build, test, and ship into the cluster.
   • Migrated workloads from IBM Cloud back to on-premises — planned the move with application owners and executed the cutover with zero unplanned downtime.
   • Support the event-streaming and logging layer: Kafka between services and Splunk for tracing production incidents.
   • Harden RHEL 9 servers with Ansible and OpenSCAP — scan against CIS benchmarks and produce audit reports, raising fleet compliance from the low 80s to near-full .
2. Mar 2025 – Dec 2025

   DevOps Engineer

   Krungsri (Bank of Ayudhya)

   • Designed and maintained modular Terraform infrastructure ensuring development and production environments stayed provably identical instead of drifting between releases.
   • Developed Ansible Automation Platform (AAP) playbooks for server provisioning and configuration, replacing manual build steps in a regulated banking environment .
   • Standardized containerized deployments with Docker and partnered with development teams to run releases across multiple environments.
3. Jul 2024 – Feb 2025

   Cloud Engineer

   Mobileconnect

   • Designed and implemented secure AWS network architectures using VPC and Transit Gateway , with access enforced through IAM and SSO.
   • Led AWS presales engagements — architecture recommendations, HLD diagrams, and cost-optimization proposals presented directly to clients.
   • Ran cloud migrations end to end and deployed containerized workloads on Amazon ECS .
   • Automated infrastructure provisioning and day-2 operations with Terraform and Ansible AAP .
4. Dec 2023 – Jul 2024

   Cloud Engineer

   Fujitsu (Thailand) Co., Ltd.

   • Operated hybrid environments spanning AWS, Microsoft Azure, and on-premises infrastructure for enterprise clients.
   • Implemented HAProxy and Squid Proxy to control traffic flow and tighten egress security.
   • Delivered infrastructure projects including new network zone design and cloud migration workstreams — owned CAB requests and incident reports end to end.
5. Oct 2022 – Oct 2023

   System & Network Engineer

   Tri Petch IT Solutions Co., Ltd.

   • Automated 20+ recurring manual tasks with scripting, including monthly system reporting — removing standing work from the team's queue.
   • Configured and managed enterprise networks on Cisco DNA Center, ISE, WLC and access points.
   • Ran vulnerability assessment scans, rolled out 2FA (Rublon) , and administered VMware ESXi, vCenter, and Windows/Linux servers.
6. Dec 2020 – Sep 2022

   System & Network Engineer

   Pro Inside Co., Ltd.

   • Configured Cisco and Huawei switching (VLAN, trunking) and managed Sophos and Fortigate firewalls for client sites.
   • Deployed and maintained open-source firewalls ( OPNsense, pfSense, IPFire ) and managed virtualization on VMware ESXi/vCenter.