Site Reliability Engineer

Role overview

POIZON Global is hiring a Site Reliability Engineer in Singapore to strengthen the reliability, resilience, and operational efficiency of its business systems. This role partners closely with business teams and plays a key part in keeping production services stable, responding to incidents, and improving day-to-day engineering operations.

Key responsibilities

• Safeguard the stability of core business systems and continuously improve service reliability and engineering productivity while maintaining effective communication with business stakeholders.
• Handle application releases, configuration changes, status monitoring, capacity planning, and emergency response for incidents.
• Optimize service governance based on real business usage, including identifying bottlenecks on critical paths, troubleshooting business issues, and driving upgrades to highly available architectures.
• Investigate major production incidents, manage urgent issues, and lead post-incident analysis and follow-up improvements.
• Prepare and maintain fault drill plans, emergency response playbooks, and SOP documentation.
• Provide recommendations and operational management for high availability, including rate limiting, degradation strategies, fault tolerance, disaster recovery, and same-city active-active setups.
• Define SLO evaluation standards, measure how incidents affect SLOs, and track corrective actions tied to SLO protection.
• Document operational standards and processes, then convert them into tools and platform-based solutions to improve safety and efficiency.
• Support colleagues with IT-related questions encountered in daily work.
• Diagnose and resolve workplace and cloud-vendor network issues in Singapore.

Requirements

• More than 5 years of experience in operations or site reliability work at an internet company.
• Strong understanding of JVM memory management and garbage collection, with the ability to troubleshoot abnormal Java processes.
• Hands-on familiarity with common web middleware such as Nginx, Zookeeper, Kafka, and RocketMQ.
• Experience with monitoring tools such as Zabbix, Grafana, and Prometheus.
• Working knowledge of open-source caching solutions including Memcache, Redis, and Twemproxy.
• Proven ability to investigate and resolve complex system failures.
• Strong troubleshooting mindset and experience responding quickly to production incidents.
• Ability to work with at least one or two languages from Python, Shell, Go, and Java; development project experience is preferred.
• Preferred experience in capacity management, stability governance for critical service paths, and reliability work across the full system lifecycle from design to launch.
• Preferred familiarity with SRE operating frameworks.
• Preferred experience with highly concurrent, highly available, and microservice-based architectures.
• Excellent communication, collaboration, learning ability, and team spirit, with a willingness to help colleagues with IT systems and tooling issues.
• Basic networking knowledge to resolve office-level issues involving PCs, Wi-Fi, and LAN, and to initially diagnose network problems between Singapore and cloud vendors.
• Ability to stay effective and make sound decisions under pressure.
• Responsible, proactive, and careful in daily work.

Additional information

This is a full-time onsite role based in Singapore, Singapore. No salary, perks, application deadline, start date, or vacancy count was specified in the source.