Platform (PaaS/CaaS) Infrastructure Lead

Ascendion; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Ascendion is seeking an experienced Infrastructure Lead in Singapore to manage and operate platform services in a tenant environment above the hypervisor level. You will ensure reliability, security, and operability of container platforms and COTS components, including MongoDB, Nginx, MQTT, IBM MQ, and ArcGIS.

You will lead a team of 4–6 engineers, oversee incidents, changes, RCA, patching, lifecycle management, and drive capacity planning and performance tuning, with a focus on OS hardening and

Qualifications

• 7–10 years infrastructure/platform experience.
• Strong Kubernetes / container platform experience.
• Experience with Docker / Podman
• Experience installing and managing MongoDB, MSSQL, Nginx, Apache
• Experience with messaging systems (IBM MQ, MQTT, Kafka equivalent)
• Understanding of network, firewall, load balancer (for troubleshooting)
• Linux administration and OS hardening
• Monitoring tools (eG Monitoring, Grafana, Prometheus, ELK)
• Experience in government / regulated environments preferred - Only Local Singaporean applicants will be considered for this role

Responsibilities

• Lead platform operations team for container platforms and COTS services
• Manage incidents, changes, RCA, and platform lifecycle
• Install, configure, and troubleshoot COTS components
• Work with application and Authority Furnised Equipment (AFE) teams for integration and issue resolution
• Maintain SOPs, runbooks, and architecture documentation
• Ensure monitoring, logging, and observability
• Support patching, upgrades, and lifecycle management
• Ensure OS hardening compliance (golden image)
• Drive capacity planning and performance tuning
• Lead DR/BCP activities

Tools

Kubernetes

Docker/Podman

MongoDB

MSSQL

Nginx

Apache

IBM MQ

MQTT

Kafka equivalent

Linux

OS hardening

eG Monitoring

Grafana

Prometheus

ELK

CI/CD integration

Ansible

REST/messaging patterns

Security compliance

Job description

Job Overview

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.).

To manage and lead a team of 4–6 infrastructure engineers.

Key Responsibilities

• Lead platform operations team for container platforms and COTS services


• Manage incidents, changes, RCA, and platform lifecycle


• Install, configure, and troubleshoot COTS components


• Work with application and Authority Furnised Equipment (AFE) teams for integration and issue resolution


• Maintain SOPs, runbooks, and architecture documentation


• Ensure monitoring, logging, and observability


• Support patching, upgrades, and lifecycle management


• Ensure OS hardening compliance (golden image)


• Drive capacity planning and performance tuning


• Lead DR/BCP activities

Qualifications

• 7–10 years infrastructure/platform experience


• Strong Kubernetes / container platform experience


• Experience with Docker / Podman


• Experience installing and managing MongoDB, MSSQL, Nginx, Apache


• Experience with messaging systems (IBM MQ, MQTT, Kafka equivalent)


• Understanding of network, firewall, load balancer (for troubleshooting)


• Linux administration and OS hardening


• Monitoring tools (eG Monitoring, Grafana, Prometheus, ELK)


• Experience in government / regulated environments preferred - Only Local Singaporean applicants will be considered for this role

Preferred Skills

• Experience with CI/CD integration


• Automation (Ansible, ing)


• Integration patterns (REST, messaging)


• Security compliance familiarity


• Platform (PaaS/CaaS), containers, COTS, OS hardening