Sumarsono



$ glow experiences.md

PT. Software Seni Indonesia - DevOps Engineer

August 2021 - Now | Yogyakarta

  • Established and maintained a strong DevOps culture, leading the migration to Infrastructure as Code (IaC).
  • Built a fully segregated environment on AWS by utilizing AWS Organizations and AWS SSO.
  • Implemented shift-left security practices, such as performing static analysis on pull requests.
  • Maintained and optimized CI/CD pipelines using GitLab CI, GitHub Actions, Bitbucket Pipelines, and DeployBoy.
  • Provisioned infrastructure with Terraform and managed configurations using Ansible.
  • Managed monitoring systems (AWS CloudWatch, Grafana) and alerting platforms (UptimeRobot, HetrixTools).
  • Contributed to ISO 27001 and HIPAA compliance initiatives.
  • Assisted in leveraging AWS Bedrock to implement an AI chatbot powered by the company’s internal knowledge base.
  • Automated operational tasks by developing Python-based AWS Lambda functions and Go CLI tools.

PT. Mindosolutions - DevOps/System Administrator

September 2019 - July 2021 | Yogyakarta

  • Improved application uptime from 80% to 98% by advocating for and implementing DevOps practices.
  • Encouraged the adoption of Git, containerization, and CI/CD pipelines, actively mentoring the team.
  • Key projects included: Bare Metal Kubernetes Cluster, Yoowink 360, Human Resource Information System, Docker for Low-Cost Web Hosting.

PT. Visione System/Visi Satu Teknologi - System Administrator

August 2018 - August 2019 | Karanganyar

  • Responsible for Linux system administration, planning, provisioning, and maintaining systems.
  • Key projects included: Road Side Server (E-toll gates), Nisekolive (Hotel booking app in Japan), Dr. Oen Solo Baru (Java app with MongoDB).

FREELANCE

  • Stayku (2021): Provisioned server, set up LEMP stack and git repository.
  • Homker (2021): Provisioned server, set up LAMP stack, git, and auto-deployment via webhook.
  • ASCO Management (2021): Provisioned server and set up LAMP stack.