Site Reliability Engineer

Tech Staffing; Kuala Lumpur; On-site; MYR 180,000 - 300,000; Full time

Job summary

Tech Staffing is seeking an senior Linux infra engineer in Kuala Lumpur to design, deploy and manage large-scale Linux server environments across Rocky Linux, CentOS, and Ubuntu. You will support web platforms, API servers, and MySQL clusters in production and staging.

You will drive reliability and security through hardening, configure firewalls, VPNs and Bastion Hosts, and automate with Ansible while enhancing monitoring with Zabbix, Prometheus and Grafana. 24/7 incident readiness is required.

Qualifications

• Minimum 5 years of experience running production systems.
• Hands-on experience with cloud platforms (AWS or Azure).
• Knowledge with Kubernetes in production.
• Familiarity with modern delivery practices — CI/CD, GitOps, and Infrastructure as Code.

Responsibilities

• Design, deploy and manage large-scale Linux server environments across distros.
• Improve infrastructure reliability and security by hardening standards.
• Configure firewalls, set up VPNs, Bastion Hosts and zone segmentation.
• Streamline configuration and deployments through Ansible.
• Enhance monitoring and observability with Zabbix, Prometheus, Grafana and stress tests.
• Support and optimise LAMP stack, Nginx, and Docker environments.
• Implement proactive security assessments with nmap and ELK Stack.
• Deliver round-the-clock incident response rotations.

Skills

Linux Admin

Cloud platforms

Kubernetes

CI/CD

Infrastructure as Code

Security hardening

Monitoring

Automation

Tools

Kubernetes

Ansible

Nginx

Docker

ELK Stack

Zabbix

Prometheus

Grafana

nmap

AWS

Azure

Job description

Job Summary:

• Design, deploy and manage large-scale Linux server environments, primary using Rocky Linux, CentOS, and Ubuntu, to support web platforms, API servers, backend systems, and MySQL database clusters across both production and staging settings


• Improve infrastructure reliability and platform security by applying security hardening standard operating procedures


• Configure firewalls, set up VPNs, deploy Bastion Hosts and segment zones


• Streamline system configuration, patch management and deployments through Ansible


• Enhance monitoring and observability by deploying and managing tools like Zabbix, Prometheus, Grafana and performing infrastructure stress tests for system reliability


• Support and optimise LAMP stack, Nginx, and Docker container environments


• Implement proactive alert systems and conducted regular security assessments with tools like nmap and the ELK Stack


• Deliver round-the-clock support through incident response rotations

Requirements:

• Min 5 years’ experience running production systems, with a focus on reliability and scalability


• Hands-on experience with cloud platforms (AWS or Azure)


• Knowledge with Kubernetes in production


• Familiarity with modern delivery practices — CI/CD, GitOps, and Infrastructure as Code