Systems Operation Engineer (Observability & Tooling)

Resorts World Sentosa; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

Resorts World Sentosa is looking for a detail-oriented Systems Operations Engineer to join our IT team in Singapore. This role involves maintaining and optimizing both Windows and Linux systems across hybrid environments, ensuring critical resort operations run smoothly. Key responsibilities include implementing automation tools, ensuring high system availability, and responding to incidents affecting guest services.

The successful applicant will have over 8 years of experience in systems administration, preferably in a 24/7 operational environment. Knowledge of compliance standards like PCI-DSS and GDPR is essential, along with proficiency in scripting languages such as PowerShell, Bash, or Python.

Qualifications

• 8+ years’ experience in systems administration or SysOps, preferably in a 24/7 operational environment.
• Knowledge of PCI-DSS, GDPR, and ISO/IEC 27001 compliance requirements.

Responsibilities

• Manage, monitor, and maintain Windows and Linux-based systems across hybrid environments.
• Implement proactive monitoring to prevent downtime in high-traffic systems.
• Enforce security best practices in compliance with industry standards.
• Collaborate with teams to develop performance measuring metrics.

Skills

Scripting experience in PowerShell

Scripting experience in Bash

Scripting experience in Python

Strong attention to detail

Ability to work under pressure

Clear communication

Flexible schedule availability

Tools

SolarWinds

Datadog

Azure Monitor

Ansible

Terraform

PowerShell

Kibana

Grafana

Job description

We are seeking a detail-oriented and technically skilled Systems Operations Engineer to join our IT team. The role is responsible for maintaining and optimizing Windows, Linux, and cloud-based systems that support critical resort operations. You’ll work across hybrid environments (on-premise and cloud), implement automation and monitoring tools, respond to incidents affecting guest services, and ensure high system availability for 24/7 resort operations. This role is key to ensuring delivery of uninterrupted, reliable systems and ICT infrastructure, contributing to IT division's goal of providing excellent IT service management.

Role Responsibilities:

System Operations & Maintenance

• Manage, monitor, and maintain Windows and Linux-based systems across hybrid environments (on-premise and cloud).
• Ensure continuous operation of critical resort systems including PMS (Property Management Systems), POS, booking engines, surveillance, and access control systems.
• Manage, monitor and maintain supported databases across hybrid environment (on-premise and cloud).
• Operate and maintain cloud services (AWS, Azure) integrated with on-premise data centers.
• Plan, coordinate and support disaster recovery and high-availability configurations for critical hospitality and gaming systems.

Monitoring & Reliability

• Implement proactive monitoring using tools like SolarWinds, Datadog or Azure Monitor to prevent downtime in high-traffic systems.
• Quickly respond to incidents affecting guest services or operations and conduct thorough root cause analysis.
• Automation & Configuration Management using tools like Ansible, Terraform, or PowerShell to automate provisioning and configuration.
• Maintain configuration baselines for servers supporting hotel, casino, and resort services.
• Design and develop RWS observability platform comprising of monitoring, metrics, and logging systems.
• Conceptualize and implement early anomaly detection (reduction of mean-time issue identification), pattern analysis, self-healing, infrastructure resizing, noise reduction and outage prediction.
• Develop visualizations in Kibana/Grafana or equivalent to provide a single pane view for end user experience, application, infrastructure & security.
• Collaborate with the Application and IT Business partner teams to develop metrics measuring the performance against initiatives and report on those to stakeholders.

Security & Compliance

• Enforce security best practices across all systems in compliance with industry standards such as PCI-DSS (for gaming/payments) and GDPR (for guest data) including reviewing of hardening standards.
• Manage patching and endpoint security to protect infrastructure.
• Work closely with IT, facilities, and service departments to align infrastructure with business needs.
• Maintain detailed documentation of systems, procedures, and service records.

Role Requirements:

Required Qualifications

• 8+ years’ experience in systems administration or SysOps, preferably in a 24/7 operational environment (hospitality, casino, or similar)
• Knowledge of compliance requirements: PCI-DSS, GDPR, ISO/IEC 27001

Skills

• Scripting experience in PowerShell, Bash, or Python
• Strong attention to detail and commitment to uptime
• Ability to work calmly under pressure and during major events or peak resort hours
• Clear written and verbal communication for working with technical and non-technical teams
• Flexible schedule availability (some weekend/evening/on-call rotation may be required)