ZENITH INFOTECH (S) PTE LTD. Hiring! Full Time Systems Operations Engineer - (0 - 3 years exp) in Islandwide (Singapore), Earn up to SGD 5,000 - Ricebowl

About the Role

We are seeking a seasoned System Operations Engineer with 3+ years of experience to join our infrastructure team. In this role, you will be responsible for the reliability, performance, and security of our production systems — from Linux servers and Kubernetes clusters to distributed databases and big data platforms

Key Responsibilities

• Handle daily maintenance, monitoring, and troubleshooting of servers and applications to ensure system stability and availability.

• Manage and optimize Linux systems, including log analysis, performance tuning, and basic security hardening.

• Maintain and operate databases including MySQL, MongoDB, PostgreSQL, and Redis — covering backups, replication, and query optimization.

• Deploy, manage, and configure Kubernetes clusters and related resources to support containerized workloads.

• Install and maintain Hadoop ecosystem components including HDFS, HBase, Hive, and YARN.

• Deploy and maintain middleware services including Kafka, Elasticsearch, Zookeeper, and Nginx.

. Write documentation and automation scripts to improve operational efficiency and reduce manual toil.

Requirements

• 3+ years of experience in system operations, DevOps, or related roles.

• Strong proficiency in Linux administration and basic networking fundamentals (TCP/IP, DNS, firewalls).

• Hands-on experience maintaining MySQL, MongoDB, PostgreSQL, and Redis in production environments.

• Proficient with Kubernetes — familiar with key resource objects (Pods, Deployments, Services, Ingress, ConfigMaps) and cluster configuration.

• Familiarity with maintaining Hadoop ecosystem components (HDFS, HBase, Hive, YARN).

• Experience deploying and operating Kafka, Elasticsearch, Zookeeper, and Nginx.

. Good communication skills, strong sense of responsibility, and ability to work effectively under pressure