Infrastructure Engineer, Blockchain Specialist

• Architect, deploy, and maintain a diverse range of blockchain nodes (e.g., Bitcoin, Ethereum, Solana, and others) using IaC principles.
• Utilize Terraform, Ansible, and other tools to automate the provisioning, configuration, and management of infrastructure for all blockchain-related services.
• Develop comprehensive monitoring and alerting solutions (Prometheus, Grafana, ELK stack) to ensure the health, performance, and uptime of all blockchain nodes.
• Troubleshoot issues, perform root-cause analysis, and implement fixes to optimize the performance and latency of node operations.
• Apply best practices for network and node security, managing 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.
• Work closely with our trading and research teams to support new chain integrations and optimize existing ones.
• Design and implement failover and backup strategies to ensure business continuity for mission-critical blockchain infrastructure.

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in cloud infrastructure, SRE, or DevOps roles.
• Demonstrable experience managing blockchain nodes and a deep understanding of the ecosystem.
• Strong experience in a trading, crypto, or TradFi environment is highly desirable but not essential.
• Strong expertise in cloud platforms (AWS, GCP, or Azure) and containerisation (Docker, Kubernetes).
• Proficient Linux administration skills.
• Hands-on experience with 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 various blockchain architectures (PoS, PoW, etc.) and node types (full nodes, validators, RPC nodes).
• 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 and their career goals. We're after those with the right skills and a conscious choice to join our field. The perfect fit? A crypto enthusiast who's driven, collaborative, acts with ownership, and delivers solid, scalable outcomes.

• Competitive salary package.
• Autonomy in your time management thanks to flexible working hours and the opportunity to work remotely.
• The freedom to create your own entrepreneurial experience by being part of a team of people in search of excellence.
• Committed to building a positive and collaborative work environment. We welcome employees of all backgrounds and hire, reward, and promote entirely based on merit and performance. Due to the nature of our business and external requirements, we perform background checks on all potential employees. Passing a background check is a prerequisite to joining Keyrock.

Since our beginnings in 2017, we've 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. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, and Singapore, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks. But we're more than a service provider. We're an initiator. We're pioneers in adopting the Rust Development language for our algorithmic trading, and champions of its use in the industry. We support the growth of Web3 startups through our Accelerator Program. We upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols. And we push the industry's progress with our research and governance initiatives. At Keyrock, we're not just envisioning the future of digital assets. We're actively building it., Advertising blockchain jobs in the UK requires a different approach to most technical hiring. The candidate pool is global in outlook but concentrated in specific communities - protocol engineers, smart contract developers, DeFi specialists and Web3 product leaders who move between roles through networks and community channels as much as traditional job boards. General job boards reach a broad audience but lack the specificity that blockchain professionals expect. Specialist platforms, crypto-native communities and targeted outreach each serve a different part of the market. This guide, published by BlockchainJobs.uk, covers where to advertise blockchain roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types. New Blockchain Employers to Watch in 2026: UK and Global Companies Driving Web3 Careers The blockchain and Web3 job market in the UK is evolving rapidly. After a period of volatility, the sector has entered a more mature phase-defined by institutional investment, real-world use cases, and infrastructure-led growth. For candidates exploring opportunities on BlockchainJobs.uk, the key shift is clear: the most exciting employers are no longer speculative crypto startups, but well-funded companies building the future of finance, payments, and digital assets. In this article, we explore the new blockchain employers to watch in 2026, focusing on companies that have recently raised funding, secured major contracts, or expanded into the UK market. How Many Blockchain Tools Do You Need to Know to Get a Blockchain Job? If you are navigating the blockchain job market, it can feel like you need to master an entire tech stack before you're even ready to apply. One job advert mentions Solidity, another talks about Hyperledger Fabric, another lists MetaMask, Hardhat, Git, Truffle, and Web3.js - and that's before you scroll past three LinkedIn posts about "top blockchain skills for 2026." It's no wonder job seekers feel overwhelmed. But here's the honest truth that many hiring managers quietly agree on: ?? You don't need to know every blockchain tool to get hired. ?? You need to know the right ones for the role you're targeting - and how to use them to solve real problems. Tools matter, but context and capability matter more. This guide breaks down exactly how many blockchain tools you need to learn, which ones matter for specific roles, and how to position what you know so hiring managers take notice.