Role overview
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.
What you'll work on
- 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.
What we're looking for
- 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.
In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future. At Consensys, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities with economic and political agency through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3.
Consensys is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).