8 days ago
Singapore, SingaporeSenior
Responsibilities
- Design, build, deploy, and operate highly available platform environments across on-premises, private cloud, and public cloud infrastructure.
- Administer, upgrade, and troubleshoot Kubernetes clusters, Linux systems, virtualization, networking, storage, load balancers, and supporting platform services.
- Automate infrastructure and application deployment using Terraform, Ansible, scripting, CI/CD, and GitOps with ArgoCD.
- Monitor production environments, respond to incidents, perform structured troubleshooting and root-cause analysis, and implement preventive reliability improvements.
- Maintain high availability, backup, restore, disaster recovery, security hardening, vulnerability remediation, patching, certificate and secrets management, and access-control reviews.
- Manage operating system, Kubernetes, and platform component upgrades, certificates, patching, and end-of-life remediation.
- Identify delivery blockers, dependencies, and risks, drive cross-team resolution, and support infrastructure readiness through production handover.
- Create SOPs, runbooks, architecture and deployment documentation, RCA reports, and operational handover materials; provide knowledge transfer.
- Mentor engineers, establish engineering standards, evaluate technologies, and improve automation, reliability, security, and working practices.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, Mathematics, Science, Engineering, or a related technical discipline, or equivalent relevant professional experience.
- At least 8 years of relevant IT experience or equivalent demonstrated expertise, with strong hands-on experience in DevOps, Platform Engineering, SRE, or Infrastructure Engineering.
- Hands-on experience administering, operating, and troubleshooting Linux/Ubuntu and Kubernetes.
- Understanding of networking and connectivity troubleshooting, including TCP/IP, DNS, VLAN, NAT, firewall, VPN, load balancing, and TLS.
- Experience with infrastructure as code, configuration automation, CI/CD, and GitOps using tools such as Terraform, Ansible, Jenkins, and ArgoCD or equivalents.
- Strong scripting and automation skills with Python, Bash, or equivalent, along with solid Git fundamentals.
- Experience with production operations, monitoring and observability, incident troubleshooting, root-cause analysis, and service recovery.
- Working knowledge of security hardening, vulnerability remediation, access control, secrets management, and certificate management.
- Ability to troubleshoot unfamiliar issues independently, identify blockers, and drive resolution across application, infrastructure, network, security, and vendor teams.
- Experience or exposure to on-premises virtualization, distributed storage, AWS, Azure, GCP, and bare-metal provisioning.
- Familiarity with API gateways, databases, Vault, Kafka, and service mesh; relevant Kubernetes, Linux, or cloud certifications are advantageous.
Tech Stack
Categories
DevOpsSite Reliability
About Singtel
Singtel is a Singapore‑headquartered public telecommunications group founded in 1879 that sells mobile, broadband, and enterprise network services to consumers and businesses across Asia-Pacific. It owns Optus in Australia and operates NCS (regional IT services) and Nxera (data centers), and is expanding into AI infrastructure via its RE:AI GPU‑as‑a‑Service. Its revenue comes from connectivity subscriptions and managed services across networks, cloud, cybersecurity, and digital platforms, with equity stakes in regional operators broadening its reach.