Staff Engineer, Public Cloud Operations

About the role

OKX, a leading crypto exchange and developer of OKX Wallet, is hiring a Public Cloud Operations Expert for its Singapore team. The role covers the full lifecycle of enterprise-level hybrid cloud infrastructure, with unified orchestration, operations and cost optimisation of AWS and Alibaba Cloud resources, ensuring high availability, performance and compliance.

Key responsibilities

• Plan, deploy, monitor and maintain AWS services (EC2, S3, VPC, Lambda, EKS) and Alibaba Cloud services (ECS, OSS, VPC, Function Compute, ACK)
• Design highly available, auto-scaling architectures and optimise network, storage and compute configurations
• Run full-stack monitoring and alerting with cloud-native tools and Prometheus+Grafana, ELK, and lead incident response and root cause analysis
• Optimise costs through reserved instances, auto-scaling and storage lifecycle policies, and manage resource quotas
• Implement cloud security baselines, run security audits and set up granular access controls and database auditing
• Work with development teams on serverless and microservices architectures, document SOPs and deliver technical training

Required profile

• 5+ years of operations experience, including at least 3 years on public cloud (AWS/Alibaba Cloud) managing 100+ instances
• Experience building cloud platforms from scratch, designing hybrid cloud architectures or running large migrations is preferred
• Bachelor's degree or higher in Computer Science, Network Engineering or a related field
• AWS Certified SysOps Administrator or Alibaba Cloud ACP/ACE certification preferred
• Priority given to candidates with a current right to work in Singapore; visa sponsorship not required

Required skills

• Mastery of core AWS or Alibaba Cloud services, with familiarity in the other platform
• Linux/Windows operations and automation with Shell, Python and Ansible
• Kubernetes, ECS/EKS, ACK and cloud-native technologies such as service mesh
• Nice to have: multi-cloud platforms (Azure), FinOps, WAF/DDoS protection, big data/AI operations

What we offer

• Competitive total compensation package
• Lamp learning and development programs with an education subsidy
• Team building programs and company events
• Wellness and meal allowances
• Healthcare schemes for employees and dependants