Site Reliability Administrator - Contract, Roaming

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 120,000; Full time

Job summary

PERSOL SINGAPORE PTE. LTD. is seeking a Site Reliability Administrator to support multiple data centre sites islandwide, ensuring high availability of critical infrastructure and services.

The role covers monitoring, incident response, automation, and collaboration with facilities, vendors, remote hands, and project teams. The contract duration is 12 months with 12-hour shifts, including public holidays.

Qualifications

• Diploma or Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering or related discipline.
• 4–6 years of experience in Data Centre Operations, Infrastructure Operations, Site Reliability, or IT Infrastructure Support.
• Experience with data center environments and 24x7 operations is preferred.
• Own transport to access data center locations islandwide is beneficial.

Responsibilities

• Manage day-to-day data centre operations to ensure high availability of critical infrastructure and services.
• Monitor power, cooling, environmental and IT infrastructure health across multiple sites.
• Lead incident troubleshooting, RCA, and escalation with remediation actions.
• Coordinate with facilities teams, vendors, remote hands and project teams.
• Maintain documentation of incidents, changes and service requests using ITSM tools.

Skills

Nagios

Grafana

Prometheus

OpenDCIM

Shell scripting

Python

Education

Diploma or Degree in IT/CS/CE/EE or related

Tools

OpenDCIM

Job description

This role requires Site Reliability Administrator to support multiple sites islandwide.
Support Hours - 12 Hours shift - Mon to Sunday including Public Holidays
Contract Duration - 12 Months

Key Responsibilities

Data Centre Operations & Infrastructure

• Manage day-to-day data centre operations, ensuring high availability of critical infrastructure and services.
• Coordinate with Data Centre Facilities teams, vendors, remote hands, and project teams to support operational requirements.
• Support server installations, rack deployments, decommissioning activities, and infrastructure changes.
• Monitor power, cooling, environmental, and IT infrastructure health across multiple sites.
• Perform routine infrastructure health checks, preventive maintenance, and operational readiness reviews.
• Manage rack space allocation, power capacity planning, and infrastructure utilization.

Monitoring & Automation

• Administer and maintain monitoring platforms such as Nagios, Grafana, Prometheus, OpenDCIM, or similar tools.
• Configure monitoring alerts, thresholds, dashboards, and reporting.
• Develop and maintain automation scripts using Shell, Bash, Python, or similar scripting languages to improve operational efficiency.
• Support integration of infrastructure monitoring, telemetry, and reporting systems.

Incident & Problem Management

• Monitor infrastructure alerts and respond to incidents within agreed service levels.
• Lead incident troubleshooting, impact assessment, escalation, restoration activities, and root cause analysis (RCA).
• Coordinate corrective and preventive actions to minimize recurring incidents.
• Maintain incident records, service requests, and change documentation using ServiceNow or equivalent ITSM platforms.

Requirements

• Diploma or Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Electronics Engineering, or related discipline.
• Minimum 4-6 years of experience in Data Centre Operations, Infrastructure Operations, Site Reliability, or IT Infrastructure Support.
• Prefer applicants with own transport to access Data Center locations islandwide
• Experience supporting enterprise or colocation data centre environments.
• Experience managing critical infrastructure in a 24x7 operational environment.

We regret to inform that only shortlisted candidates will be notified.