Latform (Paas/Caas) Infrastructure Engineer

Role: Manage and operate platform services in a tenant environment above hypervisor level. Ensure reliability, security, and operability of container platforms and COTS components (MongoDB, Nginx, MQTT, IBM MQ, ArcGIS, etc.). Responsibilities: 1. Platform Operations & Management Manage, monitor, and maintain platform services including container platforms, middleware, databases, messaging systems, and supporting runtime components. Support Day 2 operations, incident response, troubleshooting, root cause analysis, and problem management activities. Install, configure, maintain, and upgrade operating systems (RHEL, Windows Server) and platform-related software. Perform platform performance tuning, capacity planning, and service optimization activities. Support backup, recovery, and restoration activities for platform components and COTS products. Ensure service availability and operational readiness across Development, Test, Staging, and Production environments. 2. Container Platform & COTS Management Install, configure, patch, and maintain container platforms and runtimes such as: Kubernetes, Podman, Docker Install, configure, patch, and support enterprise COTS solutions including MongoDB, MSSQL, NGINX, Apache HTTPD, IBM MQ, MQTT Brokers, Kafka, ArcGIS, Keycloak 3. Security & Compliance Perform infrastructure security hardening and testing based on CIS benchmarks and Singapore Government security standards. Manage access controls and user accounts in line with IT security policies. Support compliance with IT governance, audit, and regulatory requirements. Participate in disaster recovery planning, testing, and execution. 4. Collaboration & Projects Collaborate with Application Engineers, DevOps Engineers, Security Engineers, and AFE teams to resolve platform-related issues. Work with infrastructure providers and vendors to troubleshoot connectivity, network, load balancer, and firewall-related issues. Support onboarding and integration of new applications and platform services. Participate in technical discussions, service improvement initiatives, and operational reviews. 5. Platform Maintenance & Upgrades Test, stage, and deploy platform patches, middleware upgrades, security fixes, and version upgrades. Perform platform lifecycle management activities. Support change implementation and release activities in accordance with approved change management processes. Ensure operational readiness and rollback plans are available for major changes. 6. Monitoring, Observability & Reliability Configure and maintain monitoring, logging, and observability solutions. Monitor platform health, resource utilization, and service availability. Analyze performance trends and proactively identify capacity or reliability risks. Support centralized logging and troubleshooting activities across platform components. 7. Documentation & Continuous Improvement Maintain up-to-date SOPs, infrastructure diagrams, maintenance logs, and change records. Generate reports on performance, capacity, and preventive maintenance activities. Identify opportunities for automation and reliability improvements to strengthen infrastructure resilience. Required Skills: 3–5 years of experience in infrastructure administration and support. Strong knowledge of Windows Server, RHEL, VMware, and enterprise hardware (servers, storage, networking). Hands-on experience with backup and 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 supporting enterprise COTS products such as: MongoDB, NGINX, APACHE, IBM MQ, NGINX, ArcGIS, CICD Platfom, etc… Working knowledge of ITIL processes (incident, change, and problem management). Experience in pre-sales or tender preparation will be an added advantage.