Site Reliability Engineer (SRE) – Cloud Migration (Contract)
LINE MAN Wongnai1 day ago
Remote, Thailand or Bangkok, ThailandMid Level / Senior
Responsibilities
- Plan and execute migrations of services and infrastructure from private cloud to AWS across Kubernetes, storage, networking, and data layers.
- Prepare capacity assessments, infrastructure sizing, action plans, runbooks, and rollback procedures for each migration.
- Coordinate service cutovers with development teams through readiness, migration windows, stabilization, and legacy-system decommissioning.
- Provision and manage non-production and production AWS infrastructure using Infrastructure as Code and automation.
- Operate and maintain Kubernetes clusters, including upgrades, capacity management, persistent volumes, and object storage.
- Operate and migrate MongoDB, PostgreSQL, and MySQL databases, including replication, high availability, backup and recovery, and performance monitoring.
- Perform Day 1 and Day 2 operations such as capacity planning, patching, upgrades, and disaster recovery.
- Monitor availability, latency, and system health while improving alerting, resilience, and reliability targets.
- Automate operational tasks, respond to incidents sustainably, and conduct blameless postmortems.
Requirements
- At least 3–5 years of experience in SRE or a comparable infrastructure role designing scalable and reliable infrastructure.
- Hands-on AWS experience with EC2, VPC, IAM, EKS, S3, EBS, RDS/Aurora, and CloudWatch.
- Hands-on experience operating Kubernetes in production.
- Understanding of block, file, and object storage, backup, and recovery.
- Experience operating at least one of MongoDB, PostgreSQL, or MySQL, including replication, high availability, and backup and recovery.
- Experience with Infrastructure as Code such as Terraform and CI/CD pipelines.
- Experience designing, analyzing, and troubleshooting microservices.
- Understanding of monitoring, logging, and tracing tools such as ELK, Prometheus, Grafana, and Jaeger.
- Systematic problem-solving skills and the ability to prepare clear action plans during time-constrained cutover windows.
- Effective communication and collaboration with development teams.
- Preferred experience with private-to-public cloud migration, large-scale database migration, AWS DMS, MongoDB replica sets, or PostgreSQL logical replication.
- Linux and network administration skills, programming experience in Go or Python, GitOps experience with Argo CD, and knowledge of IAM, encryption, network security, and cloud cost optimization are preferred.
- AWS certification such as Solutions Architect or SysOps Administrator is preferred.
Benefits
- Contract role.
- Work involves a large-scale private-to-public cloud migration and production operations for services supporting millions of users, merchants, and riders.
Tech Stack
Categories
DevOpsSite Reliability
About LINE MAN Wongnai
LINE MAN Wongnai builds Thailand’s on-demand delivery and lifestyle e-commerce platforms, operating the LINE MAN food delivery app and the Wongnai restaurant discovery service, plus merchant tools such as POS and advertising. It serves consumers, riders, and local restaurants nationwide, monetizing through delivery commissions, fees, and merchant services. Founded in 2020 and headquartered in Bangkok, the privately held company combines LINE MAN and Wongnai to serve Thailand’s local business ecosystem.