OKX

Venture capital for blockchain startups

Staff/Senior Staff Engineer - Kubernetes

Platform Engineering +1Confirmed live in the last 24 hours

Full-timeSingaporeNo salary listed

About the Job

Requirements

A bachelor's degree or above in a computer-related field.
At least 4 years of hands-on experience operating production-level Kubernetes clusters; proficiency in Kubernetes core principles and components, including Pods, Deployments, StatefulSets, Services, Ingress, custom resource definitions, controllers, scheduling strategies, network models, and storage mounting; ability to independently resolve complex cluster failures and performance bottlenecks.
Proficiency operating Alibaba Cloud and AWS in dual-cloud production environments.
For Alibaba Cloud, proficiency with ACK Container Service, ECS, SLB, VPC, RAM, RDS, OSS, CloudMonitor, security groups, and snapshot backups.
For AWS, proficiency with EKS, EC2, S3, VPC, IAM, TGW, load balancing, CloudWatch, and security policies; practical experience with overseas cloud deployment, operations, and disaster recovery.
Proficiency in Linux system administration, including system optimization, permission control, process management, log analysis, and online troubleshooting.
Familiarity with container runtimes such as containerd and Docker; understanding of Kubernetes networking, including CNI plugins such as Calico and Flannel, storage such as CSI, and multi-cluster management; familiarity with Istio and Envoy service mesh, east-west traffic governance, gray-scale releases, and network interoperability.
Strong Shell and Python automation skills; experience with CI/CD pipelines using Jenkins, GitLab CI, and ArgoCD; familiarity with Infrastructure as Code tools such as Terraform, Ansible, and Helm; experience with observability stacks such as Prometheus, Grafana, ELK/EFK, Jaeger, and SkyWalking.

Responsibilities

Own the lifecycle management of large-scale production Kubernetes clusters, including building, scaling, version upgrades, daily operations, fault diagnosis, and performance tuning; ensure 24/7 high availability and stable operations while supporting continuous business iteration.
Operate, govern, and optimize Alibaba Cloud and AWS resources across dual-cloud environments, including container services, networking, storage, IAM, load balancing, databases, and object storage; manage configuration changes, cost optimization, and disaster recovery to achieve unified multi-cloud governance.
Lead containerization and microservices operational rollout; optimize Pod scheduling, resource quotas, network policies, image management, and log monitoring systems; resolve cluster resource fragmentation, business adaptation, and network interoperability challenges.
Build Kubernetes cluster monitoring, alerting, logging, and distributed tracing systems; define operations runbooks, change processes, and incident response plans; strengthen cluster security controls, disable high-risk permissions, harden container runtime environments, and ensure infrastructure and business data security.
Develop operations automation scripts using Shell and Python; integrate Jenkins, GitLab CI, and ArgoCD to build automated release, inspection, and backup systems; implement Infrastructure as Code principles to improve efficiency and reduce human error.
Lead online incident response, conduct root cause analysis, produce post-mortem reports, and continuously optimize cluster architecture, resource allocation, monitoring strategy, and long-term stability assurance mechanisms.
Track Cloud Native and public cloud technology developments; document operations best practices and technical specifications; assist the team in improving multi-cloud Kubernetes operations capabilities.

Desired Qualifications

Experience in large-scale public cloud environments with 100 or more nodes.
Experience with multi-cloud cost optimization.
Experience with Kubernetes security hardening, including OPA/Gatekeeper, Pod Security Standards, and Falco.
Kubernetes CKA or CKS certification.
Experience with AI/LLM workload scheduling, including GPU scheduling and distributed training.

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.

OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.

Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.

OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

What You’ll Be Doing

K8s cluster lifecycle management: Own the build, scaling, version upgrades, daily operations, fault diagnosis, and performance tuning of large-scale production Kubernetes clusters; ensure 7×24 high availability and stable operations; support continuous business iteration.
Alibaba Cloud & AWS multi-cloud operations (core responsibility): Operate, govern, and optimize Alibaba Cloud and AWS resources across dual-cloud environments, covering container services, networking, storage, IAM, load balancing, databases, and object storage; manage configuration changes, cost optimization, and disaster recovery to achieve unified multi-cloud governance.
Cloud-native architecture and optimization: Lead containerization and microservices operational rollout; optimize Pod scheduling, resource quotas, network policies, image management, and log monitoring systems; resolve cluster resource fragmentation, business adaptation, and network interoperability challenges.
Stability and security: Build comprehensive K8s cluster monitoring, alerting, logging, and distributed tracing systems; define operations runbooks, change processes, and incident response plans; strengthen cluster security controls, disable high-risk permissions, harden container runtime environments, and ensure infrastructure and business data security.
Automated operations and DevOps: Develop operations automation scripts using Shell/Python; integrate Jenkins, GitLab CI, and ArgoCD to build automated release, inspection, and backup systems; implement Infrastructure as Code (IaC) principles to improve efficiency and reduce human error.
Incident management and post-mortem optimization: Lead online incident response, conduct root cause analysis, produce post-mortem reports, and continuously optimize cluster architecture, resource allocation, monitoring strategy, and long-term stability assurance mechanisms.
Technical knowledge sharing and team empowerment: Track Cloud Native and public cloud technology developments; document operations best practices and technical specifications; assist the team in improving multi-cloud K8s operations capabilities.

What We Look For In You

Bachelor's degree or above in a computer-related field; 4+ years of hands-on experience operating production-level Kubernetes clusters; proficient in K8s core principles and components including Pod, Deployment, StatefulSet, Service, Ingress, CRD, controllers, scheduling strategies, network models, and storage mounting; able to independently resolve complex cluster failures and performance bottlenecks.
Proficient in Alibaba Cloud and AWS dual-cloud operations, with independent experience in dual-cloud production environments:
Alibaba Cloud: proficient in ACK Container Service, ECS, SLB, VPC, RAM, RDS, OSS, CloudMonitor, security groups, and snapshot backups.
AWS: proficient in EKS, EC2, S3, VPC, IAM, TGW, load balancing, CloudWatch, and security policies; practical experience in overseas cloud deployment, operations, and disaster recovery.
Proficient in Linux system administration; familiar with system optimization, permission control, process management, log analysis, and online troubleshooting.
Familiar with mainstream container runtimes (containerd/Docker); understand K8s networking (CNI plugins such as Calico/Flannel), storage (CSI), and multi-cluster management; familiar with Istio/Envoy service mesh, east-west traffic governance, gray-scale releases, and network interoperability.
Strong Shell and Python automation skills; experienced with CI/CD pipelines (Jenkins, GitLab CI, ArgoCD); familiar with IaC tools (Terraform, Ansible, Helm); experienced with observability stacks (Prometheus, Grafana, ELK/EFK, Jaeger, SkyWalking).
Preferred: experience in large-scale public cloud environments (100+ nodes); multi-cloud cost optimization; K8s security hardening (OPA/Gatekeeper, Pod Security Standards, Falco); Kubernetes CKA/CKS certification; experience with AI/LLM workload scheduling (GPU scheduling, distributed training).

Perks & Benefits

Competitive total compensation package
L&D programs and education subsidy for employees' growth and development
Various team building programs and company events
Wellness and meal allowances
Comprehensive healthcare schemes for employees and dependants
More that we love to tell you along the process!

Notice:

All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.

Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.

About the Company

OKX

Venture capital for blockchain startups

OKX Ventures acts as the investment arm of the OKX cryptocurrency exchange, funding and supporting blockchain, DeFi, and Web3 projects. It invests across a wide range of areas—from infrastructure and middleware to applications and games—aiming to strengthen the crypto ecosystem. The firm provides capital and access to OKX’s network of partners and advisors to help portfolio companies grow and succeed. Notable holdings include Polygon, Solana, and Avalanche, reflecting a strategy focused on projects with potential to impact the crypto industry at large. OKX Ventures differentiates itself through its crypto-native perspective, extensive industry network, and active involvement in portfolio development, rather than just providing funding. Its goal is to identify promising projects and help them scale, contributing to a more robust and innovative blockchain ecosystem.

Company size: 5,001-10,000
Company stage: Not listed
Total funding: $1.1B
Headquarters: Singapore, Singapore
Founded: 2017

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