Sr. DevOps Engineer (Blockchain Infra)
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About the role
Responsibilities
Design, build, and maintain highly available cloud infrastructure across AWS, GCP, and Azure.
Operate and optimize Kubernetes clusters in production environments.
Manage cluster autoscaling and capacity planning using Karpenter and Kubernetes native technologies.
Build and maintain Infrastructure as Code (IaC) using Terraform.
Design and improve CI/CD pipelines for application and infrastructure deployment.
Deploy and operate middleware platforms such as Kafka, Redis and NGINX.
Automate operational tasks using Golang and Python.
Improve observability through monitoring, logging, alerting, and distributed tracing.
Ensure platform reliability, scalability, security, and disaster recovery.
Troubleshoot production incidents and perform root cause analysis.
Work closely with software engineers to improve deployment processes and platform developer experience.
Participate in on-call rotations and incident response.
Requirements
3+ years of experience as a DevOps Engineer, Platform Engineer, SRE, or Infrastructure Engineer.
Strong experience with at least one major cloud platform: AWS / GCP / Azure
Hands-on experience managing Kubernetes production environments.
Experience with Karpenter for Kubernetes autoscaling and node lifecycle management.
Strong experience with Terraform for infrastructure automation.
Experience administering Linux systems and networking fundamentals.
Experience operating middleware technologies such as: Kafka / Redis / NGINX
Strong scripting and programming skills in: Golang / Python
Experience with Git, GitOps workflows, and CI/CD platforms.
Strong understanding of observability tools such as Prometheus, OpenTelemetry.
Familiarity with container technologies including Docker and Kubernetes.
Strong troubleshooting and problem-solving skills.
Preferred Qualifications
Experience operating blockchain infrastructure or Web3 platforms.
Experience deploying and managing blockchain nodes (Ethereum, Bitcoin, Solana, Cosmos, or other Layer 1/Layer 2 networks).
Familiarity with blockchain RPC services, validators, indexing services, or distributed consensus systems.
Experience with Argo CD, Helm, Helmfile, or Flux.
Experience with multi-region and multi-cloud deployments.
Knowledge of cloud security best practices, IAM, networking, and secrets management.
Experience with service mesh technologies such as Istio or Linkerd.
Familiarity with message queues, distributed caching, and high-throughput systems.
Experience with performance tuning and capacity planning for large-scale distributed systems.
What We're Looking For
Passion for automation and continuous improvement.
Strong ownership and accountability.
Ability to work independently in a fast-paced environment.
Excellent communication and collaboration skills.
Curiosity to learn new technologies and solve complex infrastructure problems.
Experience supporting production systems with high availability and reliability requirements.
Nice to Have
Experience in cryptocurrency exchanges or blockchain infrastructure providers.
Experience operating multi-region, multi-cloud production environments.
Knowledge of RPC infrastructure, distributed databases, or high-performance networking.
Familiarity with security and compliance best practices (IAM, WAF, Vault, KMS, etc.).
Experience contributing to open-source projects.
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