Containers Platform Engineer

Job description

As a Containers Platform Engineer at CSIT, you will design, deploy, and support container orchestration platform services that power mission-critical workloads across on-premise networks. You will join the **Runtime Platforms team** - responsible for delivering secure, reliable, and scalable container services that enable other CSIT engineers to deploy application workloads efficiently while maintaining strong security and compliance standards. Our team operates a multi-tenanted Kubernetes provider platform and it has included many enhancements aimed to improve developers' productivity. These include 3rd-party technologies as well as bespoke workflow enhancements. ### Responsibilities - Design and enhance Kubernetes provider platforms and supporting infrastructure to improve scalability, reliability, and developer experience. - Automate and simplify Kubernetes clusters lifecycle management, upgrades, and observability workflows. - Implement monitoring and alerting systems using tools such as Prometheus, Grafana, or Elastic Observability to meet service-level objective (SLOs). - Collaborate with security teams to integrate and enforce security controls and compliance requirements within the container platform. - Work with application teams to improve platform usability, streamline onboarding, and reduce operational toil. - Respond to incidents and perform post-incident reviews, driving continuous improvement and operational excellence. - Contribute to the reliability engineering culture, fostering shared responsibility for system availability and performance. ### Requirements (Minimum Qualifications) - Background in Computer Engineering, Computer Science or related field - Strong programming or scripting experience (e.g. Git, Terraform, Javascript, Python, or Bash) - Good understanding of Linux systems, containers, and networking fundamentals. - At least 1-3 years of hands-on experience operating or managing Kubernetes clusters in production environments. - Familiarity with CI/CD pipelines, infrastructure-as-code, and configuration management (e.g. Terraform, Ansible, Helm). - Experience implementing observability and monitoring in large-scale systems. ### Good-to-haves - Knowledge of Kubernetes security concepts such as RBAC, admission controllers, and policy enforcement. - Experience with GitOps workflow and deployment tools (e.g. ArgoCD, Gitlab Runner) - Understanding of service mesh technologies (e.g. Istio) - Exposure to reliability engineering practices, including SLOs, error budgets, and capacity planning - Familiarity with cloud platforms (AWS, GCP or Azure) and hybrid infrastructure architectures - Knowledge of networking protocols (HTTP, TCP, DNS) and troubleshooting tools - Passion for open-source technologies ### Why join us? - At CSIT, you will: - Build and operate infrastructure that supports Singapore's national security missions. - Work with talented engineers who take pride in operational excellence, collaboration, and innovation. - Be empowered to experiment, improve, and scale modern technologies securely. - Have opportunities to deepen your expertise in Kubernetes, SRE practices, and secure platform engineering at scale.