Senior Cloud Senior Engineer, Compute & Container Infrastructure

Singtel

Singapore

On-site

Confidential

Full time

5 days ago

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Job summary

Singtel is seeking a seasoned Platform/Infrastructure Engineer to design, operate and scale OpenShift-based AI infrastructure. You will manage enterprise OpenShift environments, automate platform operations, and support GPU-enabled AI workloads.

You will work across virtualization, CI/CD, GitOps, and security practices, ensuring reliability and growth. Strong scripting and problem-solving skills are essential for this senior role.

Qualifications

Bachelor's degree in Computer Science, Information Technology, Engineering, or related discipline.
10+ years of experience in platform engineering, infrastructure engineering, cloud platforms, Kubernetes, or enterprise IT environments.
5+ years of hands-on experience managing Red Hat OpenShift Container Platform in production environments.
Strong background in running Kubernetes, container technologies, Linux/RHEL, and cloud-native infrastructure at scale.
Experience with platform operations, troubleshooting, patching, upgrades, automation, and capacity planning.
Experience with enterprise DevOps, GitOps, CI/CD, and service management practices.
Hands-on experience supporting x86 servers and NVIDIA GPU infrastructure.
Good understanding of AI/ML workloads and concepts, including model serving, inferencing, MIG, RAG.

Responsibilities

Administer and support enterprise Red Hat OpenShift Container Platform (OCP) environments, including OpenShift Virtualization and AI variations.
Manage platform operations: cluster health, node management, networking, storage, monitoring, logging, security, upgrades.
Troubleshoot Kubernetes and OpenShift issues across large clusters, workloads, networking, and authentication layers.
Support Hosted Control Plane environments, including HostedCluster and NodePool lifecycle management.
Manage multi-cluster OpenShift environments and enterprise integrations (DNS, identity, storage, certificate management, security services).
Support OpenShift Service Mesh (Istio), OpenShift Virtualization, and other cloud-native platform capabilities.
Maintain operational standards, runbooks, and documentation while ensuring SLA compliance.

Skills

Kubernetes

OpenShift

Linux / RHEL

CI/CD

GitOps

DevSecOps

Automation

Python / Bash

Education

Bachelor's degree

Tools

OpenShift Container Platform

OpenShift AI (RHOAI)

Kubernetes

NVIDIA GPU

Ansible

Python

Bash

Job description

Singtel is where Technology meets Purpose.

We're building an AI-first telco for the future - connecting people, businesses and communities through trusted networks, intelligent digital services and next-generation technology.

From transforming everyday experiences in mobile, broadband, entertainment and lifestyle services to enabling enterprises with AI, 5G+, cloud, cybersecurity, data centres and digital platforms, we create the technology that powers how millions live, work and connect.

At Singtel, your work creates real impact. You'll solve meaningful challenges, shape critical digital infrastructure and help build secure, resilient and AI-enabled solutions that serve businesses, digital ecosystems and communities across the globe.

This is where BIG Possibilities become reality. Whether you're engineering intelligent networks, advancing sovereign AI cloud platforms, strengthening cybersecurity, designing seamless customer experiences or driving sustainable innovation, you'll be part of teams shaping the future of technology.

Backed by decades of expertise and driven by a culture of continuous learning and innovation, Singtel offers the scale, opportunities and support to help you grow your career while making a difference where it matters most.

Be a Part of Something BIG!

As part of our Infrastructure Engineering team, you will design, operate, and enhance Singtel's enterprise AI infrastructure powered by Red Hat OpenShift AI, Kubernetes, and DevSecOps practices. You will play a critical role in enabling container and VM workloads at scale while ensuring platform reliability, performance, security, and automation.

How You Will Make an Impact:

OpenShift Container, Virtualization and RHOAI Platform Engineering

Administer and support enterprise Red Hat OpenShift Container Platform (OCP) environments, including Openshift Virtualization, Containerization and AI variations
Manage platform operations including cluster health, node management, networking, storage, monitoring, logging, security, and upgrades.
Troubleshoot Kubernetes and OpenShift issues across large clusters, workloads, networking, and authentication layers, as well as Operators necessary to build, develop and operate the platform efficiently and reliably.
Support Hosted Control Plane (HyperShift) environments, including HostedCluster and NodePool lifecycle management.
Manage multi-cluster OpenShift environments and enterprise integrations such as DNS, identity, storage, certificate management, and security services.
Support OpenShift Service Mesh (Istio), OpenShift Virtualization, and other cloud-native platform capabilities.
Maintain operational standards, runbooks, and documentation while ensuring SLA compliance.

GitOps, DevOps & Platform Automation

Manage and support OpenShift GitOps (Argo CD) for platform and application deployments.
Implement GitOps-based deployment and configuration management practices.
Support CI/CD pipelines spanning source control, security scanning, container registries, and OpenShift deployments.
Manage Helm-based application deployments and lifecycle management.
Drive DevSecOps practices including vulnerability scanning, access controls, secrets management, and policy enforcement.
Automate platform operations using Infrastructure-as-Code and Configuration-as-Code principles using Ansible scripts, Powershell or Unix Bash scripts as appropriate.
Develop reusable deployment templates, standards, and automation frameworks.
Manage enterprise x86 server infrastructure supporting OpenShift, OpenShift AI, and private cloud platforms.
Support NVIDIA GPU servers for AI/ML and accelerated computing workloads.
Perform infrastructure lifecycle management including installation, upgrades, firmware updates, capacity planning, health monitoring, maintenance, and hardware replacement.
Monitor and optimize server, storage, networking, and GPU performance.
Troubleshoot hardware and infrastructure issues across compute, storage, networking, firmware, and GPU layers.
Work with vendors on support, maintenance, and infrastructure refresh initiatives.
Support data center operations and future infrastructure expansion projects.

Skills for Success

Bachelor's degree in Computer Science, Information Technology, Engineering, or related discipline.
10+ years of experience in platform engineering, infrastructure engineering, cloud platforms, Kubernetes, or enterprise IT environments.
5+ years of hands-on experience managing Red Hat OpenShift Container Platform in production environments.
Strong background in running Kubernetes, container technologies, Linux/RHEL, and cloud-native infrastructure at scale, with a proven track record being able to troubleshoot complex container and infrastructure issues.
Experience with platform operations, troubleshooting, patching, upgrades, automation, and capacity planning.
Experience with enterprise DevOps, GitOps, CI/CD, and service management practices.
Hands-on experience supporting x86 servers and NVIDIA GPU infrastructure.
Good understanding of AI/ML workloads and concepts, including model serving, inferencing, MIG, RAG.

Technical Expertise