Top Tech Jobs & Startup Jobs in Dublin

Design and build architecture for institutional blockchain infrastructure spanning sequencers, coordinators, ZK proving, interoperability, privacy, settlement, and production infrastructure. Translate financial-institution requirements into implementable designs, lead proof-of-concepts, make architecture decisions, document ADRs, evaluate build-versus-buy choices, and support technical client discussions. This is a hands-on individual contributor role requiring recent distributed-systems development experience and strong Ethereum/EVM knowledge.

Operate and enhance 24/7 security monitoring across enterprise SaaS, AWS, blockchain infrastructure, and Web3 protocols. Responsibilities include SIEM and alerting, detection engineering, incident response, threat hunting, smart contract and onchain threat detection, automation, forensic analysis, compliance reporting, and threat intelligence. The role requires collaboration with DevOps, engineering teams, security researchers, and external partners to protect Linea, Lineth, corporate systems, and institutional digital assets.

Leads the engineering organization responsible for blockchain infrastructure, smart contracts, backend services, sequencers, production networks, and DevOps. Owns client delivery, contractual SLAs, reliability, security collaboration, technical roadmaps, architecture, release standards, infrastructure separation, cost management, and engineering operations. Builds and mentors engineering leaders, manages hiring and performance, coordinates cross-functional priorities, and serves as a technical representative to institutional clients and partners.

Manage a globally distributed DevOps/SRE team while building the company’s operational function. Own on-call and incident management, NOC/SOC capability, infrastructure separation, client availability commitments, disaster recovery, cloud costs, audit readiness, and hiring. The role requires technical DevOps expertise across Kubernetes, infrastructure as code, GitOps, and AWS/Azure, plus experience operating systems with contractual availability commitments.