Available · open to new roles

Ilham
Sulaksono.

Principal Site Reliability Engineer

7+ years designing, automating, and scaling cloud infrastructure. AWS · Kubernetes · Terraform

LinkedIn ↗ GitHub ↗ Yogyakarta, ID
0+
years engineering
reliable systems
0%
cloud cost
optimization
99.0%
kubernetes cluster
uptime sustained
0h
saved weekly
through automation
// 01 — about

Keeping complex systems quietly reliable.

Site Reliability Engineer with 7+ years designing, automating, and maintaining scalable cloud infrastructure. Skilled in AWS, Kubernetes, and Terraform, with a track record of leading initiatives in cost optimization, security hardening, and operational automation.

languages

Indonesian — Native
English — C2 Proficient

currently

Principal SRE
CATAPA · 3S Payroll

based in

Yogyakarta, Indonesia
Remote-friendly

// 02 — experience

Seven years of uptime, automation & cost discipline.

  1. Jan 2024 — Jan 2026 CATAPA · 3S Payroll

    Principal Site Reliability Engineer

    Payroll platform trusted by 300+ companies.

    • Led a 3-person SRE team to lift platform reliability and performance.
    • Automated operational tasks — SQL execution, database backups, deployments — saving ~15 hrs/week.
    • Hardened infrastructure security, remediating dozens of vulnerabilities surfaced in penetration tests.
    • Cut cloud costs by ~25% via AWS Spot Instances, EFS→S3 CSI migration, and NAT Gateway optimization.
  2. Jan 2022 — Jan 2024 CATAPA · 3S Payroll

    Senior Site Reliability Engineer

    • Sustained Kubernetes cluster availability at 99.9% uptime.
    • Migrated workloads (Kubernetes & databases) from Singapore to Jakarta with <15 min downtime.
    • Maintained on-premise infrastructure at ~99% uptime in a constrained-access environment.
    • Secured task automation with AWS SSM & Batch; added AWS DNS Firewall, GuardDuty, and Route 53 DNSSEC.
  3. Jan 2021 — Jan 2022 CATAPA · 3S Payroll

    Site Reliability Engineer

    • Raised infrastructure integrity by implementing Infrastructure as Code with Terraform Cloud.
    • Migrated and improved the CI/CD pipeline to a managed platform, reducing platform maintenance overhead.
  4. Mar 2019 — Dec 2020 Xtremax PTE Ltd · Singapore

    System Engineer

    Singapore-based cloud solutions provider to government agencies & MNCs.

    • Partnered with Solution Architects to design infrastructure across multiple cloud platforms.
    • Automated cloud architecture deployments with AWS CloudFormation.
    • Managed Kubernetes clusters and Linux/Windows server estates.
    • Configured Check Point NGFW and Imperva WAF for enterprise security; automated monitoring with Zabbix & AWS Lambda.
  5. Jul 2017 — Mar 2019 Xtremax Teknologi Indonesia

    System Engineer

    • Configured Nginx reverse proxy and internal proxy with Nginx & Lua.
    • Automated infrastructure tasks with Python (AWS Lambda), Bash, and PowerShell.
    • Built AWS compliance checks using Lambda and AWS Config.
    • Configured AWS CloudFront and WAF for CDN solutions.
// 03 — skills

The toolkit behind the uptime.

cloud
AWSAzureGoogle Cloud Platform
containers & orchestration
KubernetesDocker
infrastructure as code
TerraformAWS CloudFormationHelm
automation & scripting
BashPowerShellPython
// 04 — certifications

Verified credentials.

  • Certified Kubernetes Administrator The Linux Foundation
  • Kubernetes & Cloud Native Associate The Linux Foundation
  • AWS Certified Solutions Architect — Associate Amazon Web Services
// 05 — education

Foundations.

Bachelor of Computer Science Universitas Gadjah Mada (UGM) 2013 — 2017
// let's build something reliable

Got a system that needs
to just work?

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