Infrastructure Engineer, Blockchain Specialist

About Keyrock

Since our beginnings in 2017, we have grown to be a leading change‑maker in the digital asset space, renowned for our partnerships and innovation. Today we rock with over 180 team members around the world, hailing from 42 nationalities. Predominantly remote, we have hubs in London, Brussels, and Singapore.

We trade on more than 80 exchanges and operate market‑making, options trading, high‑frequency trading, OTC, and DeFi trading desks. We pioneer the use of Rust in algorithmic trading, support Web3 startups through our Accelerator Program, and advance ecosystems by injecting liquidity into DeFi, RWA, and NFT protocols. At Keyrock, we are actively the future of digital assets.

We are looking for an experienced Infrastructure Engineer to join our team, specifically focusing on managing blockchain nodes. This role involves designing, implementing, and maintaining highly scalable and resilient infrastructure to support our product offering across various blockchain networks. The ideal candidate will have a deep understanding of the blockchain ecosystem, expertise in Infrastructure as Code (IaC), and a strong background in observability and Dev Ops best practices
.

• Blockchain Node Management:
  Architect, deploy, and maintain a diverse range of blockchain nodes (e.g., Bitcoin, Ethereum, Solana) using IaC principles.
• Infrastructure as Code:
  Utilize tools like Terraform and Ansible to automate the provisioning, configuration, and management of infrastructure for all blockchain‑related services.
• Observability & Monitoring:
  Develop comprehensive monitoring and alerting solutions to ensure the health, performance, and uptime of all blockchain nodes. Experience with Prometheus, Grafana, or ELK stack is key.
• Performance Optimization:
  Troubleshoot issues, perform root cause analysis, and implement fixes to optimize node performance and latency.
• Security & Compliance:
  Apply best practices for network and node security, including management of RPC endpoints, validator keys, and key pairs.
• CI/CD:
  Implement and manage CI/CD pipelines for efficient deployment, testing, and monitoring of node software upgrades.
• Collaboration:
  
  Work closely with trading and research teams to support new chain integrations and optimize existing ones.
• Disaster Recovery:
  Design and implement failover and backup strategies to ensure business continuity for mission‑critical infrastructure.

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in cloud infrastructure, SRE, or Dev Ops roles.
• Demonstrable experience managing blockchain nodes and a deep understanding of the ecosystem.
• Strong experience in a trading, crypto, or Trad Fi environment is highly desirable but not essential.

• Strong expertise in cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
• Proficient Linux administration skills.
• Hands‑on experience with IaC (Terraform, Ansible) and scripting languages (Bash, Python).
• Deep familiarity with monitoring, logging, and observability tools (Prometheus, Grafana, Datadog, ELK).
• Solid understanding of networking concepts (VPC, load balancers, DNS, firewalls).
• Experience with Git Ops practices and CI/CD pipelines.
• Familiarity with various blockchain architectures and node types.
• Strong understanding of security practices within the blockchain ecosystem.

We value self‑awareness and powerful communication skills. We seek fiercely passionate people who understand themselves, their career goals, and are enthusiastic about contributing to an ambitious and collaborative environment.

• Competitive salary package.
• Autonomy in time management with flexible hours and remote work options.
• Freedom to create your own entrepreneurial experience within an excellent team.
• Commitment to building a positive, collaborative workplace that values merit and performance.

Passing a background check is a prerequisite to joining Keyrock.

• Mid‑Senior level

• Full‑time

• Information Technology

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