Senior SRE, Blockchain Networks
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Job Description
Senior Site Reliability Engineer launching blockchain networks and ensuring their production readiness. Collaborate across teams to optimize infrastructure and operations in a remote EU setting.
Responsibilities:
- Lead the end-to-end launch of new blockchain networks—from testnet to mainnet
- Design and implement deployment architectures for validators, full nodes, RPCs, and supporting services
- Ensure all new networks meet production readiness standards—monitoring, alerting, backups, failover, and security
- Collaborate with protocol teams to understand network-specific requirements, risks, and failure modes
- Create repeatable launch patterns and runbooks to reduce time-to-market for new networks
- Build and operate infrastructure across cloud and bare-metal environments
- Improve automation and standardisation of deployments using Terraform, Helm, and internal tooling
- Contribute to the internal platform by aligning launches with existing Kubernetes, observability, and delivery standards
- Implement high-availability and fault-tolerant setups for validator infrastructure
- Continuously improve SLOs, SLIs, and alerting for newly launched networks
- Ensure all services are fully observable—metrics, logs, and traces
- Define and implement alerts that are actionable and low-noise
- Participate in on-call rotations and incident response
- Lead or contribute to post-incident reviews, focusing on systemic improvements
- Proactively identify and fix reliability risks before they impact production
- Apply security best practices to all deployments—secrets management, access control, and network isolation
- Ensure compliance with internal standards and contribute to SOC 2-aligned practices
- Support secure key management practices for validator infrastructure
- Work closely with Infrastructure, Core Networks, and Security teams
- Take ownership of deliverables - from design to production
- Contribute to documentation, runbooks, and knowledge sharing
- Support and mentor more junior engineers when needed
Requirements:
- 5+ years of experience in SRE, DevOps, or infrastructure engineering
- Strong experience operating production systems at scale
- Hands-on experience with:
- Kubernetes (deployment, troubleshooting, operations)
- Terraform (infrastructure as code)
- Linux systems and networking fundamentals
- Experience with at least one cloud provider (GCP preferred, AWS, Azure, OCI)
- Experience with observability tooling (Prometheus, Grafana, Loki, or similar)
- Familiarity with CI/CD systems and GitOps workflows (e.g., ArgoCD)
- Solid scripting or programming skills (Go, Python, or similar)
- Experience working in distributed systems or high-availability environments
- Strong debugging and problem-solving skills under pressure
- Good communication skills and ability to work across teams (English B2 minimum)
Benefits:
- Paid vacation and sick leave
- Well-being program
- Mental Health care program
- Compensation for education, including foreign language & professional growth courses
- Equipment & co-working reimbursement program
- Overseas conferences, community immersion
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