Senior DevOps Engineer - Linea

Details

Consensys is the leading blockchain and Web3 software company. Linea is the zkEVM Layer-2 blockchain powered by Consensys, built to scale Ethereum while preserving its security and decentralization. The role is hands-on and strategic: you will own the design, automation, and reliability of Linea’s infrastructure, working directly with AWS, Kubernetes, Karpenter, Terraform, and Grafana to deliver reliable and cost-efficient mainnet services.

Role overview

You will work with top engineers building critical infrastructure for the future of finance and Web3 in a collaborative, fast-paced, remote-first setting. Scope spans security, cost management, operational excellence, and rapid iteration at scale. You will partner with engineering, product, and SRE teams to deliver production-grade infrastructure for Linea Mainnet/L2 nodes and supporting services.

Responsibilities

• Architect, build, and maintain AWS cloud infrastructure supporting Linea Mainnet/L2 nodes and supporting services.
• Design and optimize Kubernetes clusters for scaling, resiliency, and healthy node operations, leveraging Karpenter autoscaling and spot instance capabilities.
• Implement infrastructure-as-code using Terraform for reproducible, secure, and audit-ready deployments.
• Own monitoring, alerting, and observability pipelines (Grafana, Prometheus, Loki) for end-to-end production health and actionable insights.
• Drive automation of deployment and operational workflows, enabling zero-downtime upgrades and rapid rollbacks.
• Participate in incident response, root cause analysis, and postmortem reporting for production blockchain services.
• Collaborate closely with engineering teams to identify opportunities for reliability and performance improvements.
• Document infrastructure, operational protocols, and DevOps best practices to ensure knowledge sharing and team alignment.
• Stay current with new tools and cloud advancements relevant to blockchain, DevOps, and Kubernetes ecosystems.

Requirements

• Senior/Staff experience with AWS cloud services and advanced Kubernetes operations in production-grade environments.
• Proven experience in infrastructure-as-code, particularly Terraform, and delivering best practices for security and scalability.
• Proficiency in monitoring/observability tools: Grafana, Prometheus, Loki.
• Hands-on experience with Kubernetes autoscaling (Karpenter or Cluster Autoscaler) and EC2 spot instance cost optimization.
• Strong scripting/programming skills (Bash, Python, Go, or similar).
• Strong troubleshooting, communication, and documentation abilities.
• Blockchain/Layer 2 protocol, cryptography, and Web3 infrastructure experience preferred but not required.
• Experience working in agile, high-performance teams within top technology environments.

Note: Applicants will be required to submit to background checks (employment, education, criminal record checks) as a condition of employment.

Benefits

• Competitive benefits package.
• Equity awarded when joining.
• Recognized experience across the blockchain and Web3 ecosystem.
• Continuous learning & development (Consensys Advance Program, Coursera access).
• Unlimited vacation/holidays and company "zero productivity" days.
• Flexible working arrangements and a remote-first global team.

Compensation

• Salary range provided: $168,000—$220,000 USD.

Diversity & Hiring

Consensys is an equal opportunity employer and encourages applicants from diverse backgrounds. If you don’t meet every requirement but believe you can contribute, you are encouraged to apply.