Web3 Jobs in Europe

As an engineer focused on node operations and infrastructure at Alchemy, you'll work within a fast-paced engineering team on the design, deployment, and continuous improvement of the blockchain infrastructure that powers our developer platform used globally. You'll operate state-of-the-art systems for running blockchain RPC nodes at scale across many chains and regions, and leverage your experience to keep a highly available live system running for our customers.

Responsibilities:

• Deploy, operate, and maintain blockchain RPC nodes across multiple chains and multiple geographic regions

• Manage Kubernetes clusters that represent the underlying platform for all blockchain nodes

• Perform rolling upgrades and hard fork migrations for blockchain clients across EVM and non-EVM chains

• Operate on-call rotations, triage live incidents via PagerDuty, and coordinate resolution across teams for node outages, latency spikes, and SLO breaches

• Develop and maintain AI agents / automation tooling for health checks, auto-heal, hard fork notifications

• Deploy and manage services via ArgoCD and GitOps workflows (Helm charts)

• Manage bare-metal and cloud infrastructure including provisioning, benchmarking, and hardware replacement

• Respond to security advisories promptly and coordinate upgrades with minimal downtime

• Contribute to postmortems and async review processes; track action items and follow up on resolutions

• Collaborate cross-functionally with product, customer success, and other engineering teams on chain deprecations, capacity planning, and SLO reporting

What We're Looking For:

• Experience designing and operating large-scale, multi-region, multi-cloud production systems

• Experience with Kubernetes (k3s or similar), including StatefulSets, storage management, Secrets and service mesh (Istio)

• Experience with secrets management and access control in multi-cluster environments

• Familiarity with automation frameworks for node health checks, upgrades, and remediation workflows

• Experience with Infrastructure-as-Code (e.g. Terraform, Ansible, Pulumi, CloudFormation, Chef, Puppet, etc)

• Experience with GitOps tooling - ArgoCD, Helm, and managing deployments

• (Preferred) Experience with service mesh deployments such as Istio

• Proficiency with cloud infrastructure and bare-metal management, including storage provisioning and snapshot management

• Strong grasp of observability tooling - Grafana, Prometheus, Alertmanager - and experience building or tuning dashboards and alert rules

• Comfort working in an on-call environment, triaging production incidents quickly and calmly using PagerDuty and structured runbooks

• Ability to write clear technical documentation and postmortems, and contribute to async-first team communication

• Experience with networking and configuring / managing VPC networks

• A basic understanding of security best practices

• (Preferred) Good understanding of web applications, microservice architecture

• (Preferred) Experience working with startups

• Passion for blockchain technologies and Web3

Perks:

• Attractive salary package

• Opportunity to work with the latest cloud and blockchain technologies

• Flexible time away

• Private Medical Insurance

• Start-up environment: internal off-site hackathons, access to company-rented hacker house during summer

• Opportunity to travel across offices