Sr. DevOps Engineer (Blockchain Infra)

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.