Infrastructure & Site Reliability Engineering (SRE) Team Lead - บริษัท พลังงานบริสุทธิ์ จำกัด (มหาชน)

The Infrastructure & DevOps Team Lead is responsible for designing, operating, and continuously improving the company’s infrastructure and platform reliability. This role ensures high availability, scalability, security, and operational excellence of production systems.

You will lead the Infrastructure / DevOps team, define reliability standards (SLA, SLO), manage incidents, and work closely with Engineering, Security, and Business teams to support mission-critical systems.

• Design and operate on-prem, cloud, or hybrid infrastructure environments

• Lead and mentor Infrastructure / DeVops / Cloud Engineer team members

• Define architecture standards for high availability, disaster recovery, and business continuity

• Plan capacity, scalability, and long-term infrastructure roadmap

• Operate and manage Kubernetes clusters ( RKE2, on-prem, or cloud)

• Manage ingress controllers, networking, and storage

• Establish environment isolation (DEV / UAT / PROD)

• Define deployment and scaling best practices

• Improve CI/CD pipelines with reliability, rollback, and observability in mind

• Reduce manual operations through automation and standardization

• Collaborate with Security teams on:

o Patch management and vulnerability remediation

o Access control and IAM

o Logging, auditing, and compliance requirements

• Support regulatory frameworks such as ISO 27001, NIST

• Act as an escalation point for production incidents

• Define incident response processes and on-call rotations

• Coordinate with internal teams and external vendors during outages

• Mentor team members and support skill development

• Create and maintain SOPs, runbooks, and operational playbooks

• Continuously improve operational processes and team effectiveness

• Strong Linux experience (RHEL, Oracle Linux, Ubuntu)

• Hands-on experience with public or private cloud platforms

• Solid Kubernetes and container ecosystem knowledge

• Networking fundamentals (TCP/IP, DNS, Load Balancer, Firewall)

• Monitoring & logging tools (Prometheus, Grafana, ELK / OpenSearch)

• Operational experience with databases (PostgreSQL, MySQL, Oracle)

• Scripting skills (Bash, Python, or Go)

• Infrastructure as Code tools (Terraform, Ansible)

• Proven experience leading Infrastructure or DevOps teams

• Strong communication with both technical and non-technical stakeholders

• Ability to make decisions under pressure and during incidents

• Ownership mindset with strong accountability

Experience & Education

• 7–10 years of experience in Infrastructure, DevOps, or SRE roles

• 2–3 years experience in Team Lead or Technical Lead roles

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)