Platform (PaaS/CaaS) Infrastructure Engineer

Platform (PaaS/CaaS) Infrastructure Engineer

Location: Ang Mo Kio, Singapore

Experience Required: 3+ years

This role manages and operates platform services in a tenantenvironment above the hypervisor level, ensuring reliability, security, andoperability of container platforms and COTS components (MongoDB, Nginx, MQTT,IBM MQ, ArcGIS, and others).

KeyResponsibilities

• Manage, monitor, and maintain platform servicesincluding container platforms, middleware, databases, messaging systems, andsupporting runtime components

• Support Day 2 operations, incident response,troubleshooting, root cause analysis, and problem management

• Install, configure, maintain, and upgrade operatingsystems (RHEL, Windows Server) and platform software

• Perform performance tuning, capacity planning, andservice optimization

• Support backup, recovery, and restoration for platformcomponents and COTS products

• Ensure service availability across Development, Test,Staging, and Production environments

• Install, configure, patch, and maintain containerplatforms/runtimes (Kubernetes, Podman, Docker) and enterprise COTS solutions(MongoDB, MSSQL, NGINX, Apache HTTPD, IBM MQ, MQTT Brokers, Kafka, ArcGIS,Keycloak)

• Perform infrastructure security hardening based on CISbenchmarks and Singapore Government security standards; manage access controls

• Support IT governance, audit, and regulatorycompliance; participate in disaster recovery planning and testing

• Collaborate with Application, DevOps, and SecurityEngineers, and AFE teams to resolve platform issues

• Support onboarding and integration of new applicationsand platform services

• Test, stage, and deploy platform patches, middlewareupgrades, and version upgrades; ensure operational readiness and rollback plans

• Configure and maintain monitoring, logging, andobservability solutions; analyze performance trends to identify capacity orreliability risks

• Maintain SOPs, infrastructure diagrams, maintenancelogs, and change records; identify automation and reliability improvementopportunities

Requirements

• Diploma/Bachelor's Degree in Computer Science,Information Technology, or equivalent

• Relevant certifications preferred (MongoDBAdministrator, RHCSA/RHCE, VMware VCP)

• At least 3-5 years of experience in infrastructureadministration and support

• Strong knowledge of Windows Server, RHEL, VMware, andenterprise hardware (servers, storage, networking)

• Hands-on experience with backup/recovery tools,firewalls, and system monitoring platforms

• Familiarity with container platforms(OpenShift/Kubernetes), DevOps tools (Ansible, GitLab), and monitoring tools(Grafana, Prometheus)

• Experience installing, configuring, and supportingenterprise COTS products (MongoDB, NGINX, Apache, IBM MQ, ArcGIS, CI/CDplatforms, etc.)

• Working knowledge of ITIL processes (incident, change,and problem management)

• Experience in pre-sales or tender preparation is anadded advantage

Eligibility

Due to government securityclearance requirements for this role, only Singapore Citizens are eligible toapply.