Site Reliability Engineer (SRE) (GovTech)

We are seeking a skilled and passionate Engineer to join our team to build and operate a Whole-of-Government (WoG) runtime platform. As a Site Reliability Engineer, you will be responsible for designing and operating GitLab, AWS and Kubernetes-based infrastructure and solutions that power our platform, to ensure the stability, scalability, and performance of our runtime platform. Responsibilities: As a Site Reliability Engineer, you will be responsible for: Toil Reduction & Automation • Identify repetitive tasks and develop automation via CI/CD pipelines, ensuring integration with cross-functional teams to reduce manual intervention and improve operational efficiency. Observability & System Health • Implement comprehensive observability solutions (logs, metrics, traces, alerts) around the four Golden Signals (latency, traffic, errors, saturation), and build automation for proactive system health assessments and self-remediation. Production Support & Incident Management • Participate in on-call rotations, promptly respond to incidents to minimize MTTR, and conduct thorough post-incident reviews to implement preventive measures and improve system resilience. Security & Compliance • Design and implement solutions that are secure and compliant by collaborating with dedicated security teams, conducting regular audits, and integrating advanced vulnerability scanning tools. Maintenance, Optimisation & Performance • Identify and resolve performance bottlenecks and operational issues, define and track KPIs (e.g., MTTR, system uptime, cost efficiency), and drive ongoing optimisation efforts. Strategic Customer Engagement • Act as a technical advisor for tenants, guiding them on containerization, and best practices for cloud-native deployments, and participating in strategic initiatives to enhance platform scalability and performance. Knowledge Sharing & Documentation • Develop and maintain detailed playbooks, runbooks, and documentation to facilitate team-wide knowledge sharing, streamline incident response, and ensure that critical processes are well understood across the team. Continuous Learning & Innovation • Stay current with the latest AWS, Kubernetes, and industry developments, and proactively recommend improvements and innovative solutions to maintain a competitive and reliable platform. Requirements: • Bachelor's degree or Diploma in Computer Science, Engineering, or a related field (or equivalent experience). • Proven experience as a Site Reliability Engineer or similar role, with a strong background in containerization, orchestration, and cloud-native technologies. • Proven ability to troubleshoot and resolve complex technical issues in containerized applications. • Demonstrated experience with incident management, including post-incident reviews and continuous improvement. • Strong documentation skills and experience in knowledge sharing across teams. • Deep understanding of AWS, Kubernetes (including AWS EKS), and operational best practices, with familiarity in multi-cloud or hybrid environments. • Solid grasp of networking, security, and storage in both AWS and Kubernetes contexts. • Experience integrating Kubernetes with AWS cloud technologies (e.g., Secrets Manager, Load Balancers) and using infrastructure-as-code (Terraform or similar). • Hands-on experience with containerization tools (Kubernetes, Kustomize, Helm) and automation scripting (Go, Python, Bash, or equivalent). • Ability to write and maintain automated tests or conduct thorough manual testing for automation scripts, ensuring the reliability and effectiveness of automated solutions. • Familiarity with CI/CD tools (GitLab CI/CD, ArgoCD) and version control systems (Git). • Experience with observability/monitoring tools (Prometheus, Grafana, ELK Stack) and defining SLOs and Error Budgets. • Certifications such as Certified Kubernetes Administrator (CKA) or Certified Kubernetes Application Developer (CKAD) are a plus. • Experience with developing Kubernetes ope