Infrastructure Engineer, Blockchain Specialist

Responsibilities

• Architect, deploy, and maintain a range of blockchain nodes (Bitcoin, Ethereum, Solana, etc.) using Infrastructure as Code (IaC) principles.
• Utilize Terraform and Ansible to automate the provisioning, configuration, and management of infrastructure for blockchain services.
• Develop comprehensive monitoring and alerting solutions to ensure health, performance, and uptime of all blockchain nodes (Prometheus, Grafana, ELK stack).
• Troubleshoot issues, conduct root cause analysis, and implement fixes to optimize performance and latency of node operations.
• Apply best practices for network and node security, including RPC endpoints, validator keys, and public/private key pairs.
• Implement and manage CI/CD pipelines for efficient deployment, testing, and monitoring of node software upgrades.
• Collaborate with trading and research teams to support new chain integrations and optimize existing ones.
• Design and implement disaster recovery, failover, and backup strategies for mission-critical infrastructure.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 5+ years in cloud infrastructure, SRE, or DevOps roles.
• Demonstrable experience managing blockchain nodes and a deep understanding of the ecosystem.
• Experience in trading, crypto, or TradFi environment is highly desirable but not essential.
• Strong expertise in cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
• Proficient Linux administration skills.
• Hands-on experience with Infrastructure as Code (Terraform, Ansible) and programming 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 GitOps practices and CI/CD pipelines.
• Familiarity with blockchain architectures (Proof-of-Stake, Proof-of-Work, etc.) and node types (full nodes, validators, RPC nodes).
• Strong understanding of security practices within blockchain ecosystem.

Preferred Qualifications

• Strong experience in trading, crypto, or TradFi environment.

Benefits

• Competitive salary package.
• Flexible working hours and remote work opportunities.
• Entrepreneurial freedom within a collaborative, excellence-driven team.
• Positive work environment focused on merit and performance.
• Background checks required due to business nature and regulations.

About the Company

Since 2017, Keyrock has grown to become a leader in the digital asset space with a global team from more than 40 countries. The firm is renowned for partnerships and innovation, providing services in market making, options trading, high-frequency trading, OTC, and DeFi. Keyrock is pioneering Rust adoption in algorithmic trading and supports ecosystem growth through research and governance. Predominantly remote, Keyrock operates hubs in London, Brussels, and Singapore, serving 80+ exchanges worldwide.