Staff DevOps Engineer at alchemy – Bucharest | Jobyssey

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

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