Consensys is the leading blockchain and web3 software company founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum. Since 2014, Consensys has been at the forefront of innovation, pioneering technological developments within the web3 ecosystem.

You’ll get to work on the tools, infrastructure, and apps that scale these platforms to onboard one billion participants and 5 million developers. You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of builders that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

The role

This role is deeply hands-on and strategic. As Senior DevOps Engineer, you’ll own the design, automation, and reliability of Linea’s infrastructure. You will work directly with AWS, Kubernetes, Karpenter, Terraform, and Grafana, driving operational excellence, security, and rapid iteration in a cloud-native environment. You’ll partner with engineers, product, and SREs to deliver reliable and cost-efficient mainnet services for a fast-moving blockchain business.

You’ll work with top engineers building critical infrastructure for the future of finance and Web3, in a collaborative, fast-paced, and remote-first setting. The scope spans security, cost management, operational excellence, and rapid iteration at scale.

Key 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, ensuring knowledge sharing and team alignment.
Stay current with new tools and cloud advancements relevant to blockchain, DevOps, and Kubernetes ecosystems.

Qualifications

Senior/Staff experience with AWS cloud services and advanced Kubernetes ops, 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 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.

Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, fully-remote, start-up environment, apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.

It is a requirement of employment in this position that applicants will be required to submit to background checks including but not limited to employment, education and criminal record checks.

Further details will be provided to applicants that successfully meet the criteria for the position as determined by the company in its sole discretion. By submitting an application for employment, you are acknowledging and consenting to this requirement.

Senior DevOps Engineer - Linea

EMEA

Remote

Senior

Consensys