Top Tech Jobs & Startup Jobs in Dublin

Develop and lead Layer1 networking software for physical connectivity components, including PHYs, transceivers, optics, and gearboxes. Responsibilities include architecting features, coding in C, C++, and Python, building automated tests, troubleshooting customer and system-test issues, collaborating with hardware and manufacturing teams, and mentoring engineers.

Develop networking software for Arista switches and routers using C/C++, Go, Python, and other languages. Responsibilities include Linux kernel and user-space programming, routing protocols, ASIC and FPGA integration, hardware register access, forwarding-state management, configuration services, and automated testing. The role involves working with SDN, embedded Linux, networking protocols, and high-performance, fault-tolerant systems in a collaborative engineering environment.

Six-month onsite internship testing Arista networking products. Responsibilities include designing network topologies, writing and executing test plans, validating functionality and performance, identifying defects, verifying fixes, and troubleshooting networking issues. The role provides hands-on experience with routing, switching, Layer 2 and Layer 3 protocols, network automation, and structured testing methodologies.

Develop networking software for Arista switches and routers using C/C++, Go, and Python. Work across Linux kernels, ASICs, FPGAs, drivers, routing protocols, hardware registers, forwarding state, configuration services, and automated testing. Build high-performance, fault-tolerant agents supporting protocols such as BGP, OSPF, and IS-IS, and contribute to software-defined networking products in an embedded Fedora Linux environment.

Provides Tier 3 technical support for Arista networking products and protocols. Troubleshoots hardware, software, installation, compatibility, and operational issues; recreates problems in a lab; recommends corrective actions; and documents recurring issues. The role communicates directly with customers and collaborates with software and hardware engineering teams to diagnose and resolve complex networking problems while supporting product quality and development.

Develop and maintain Linux Kernel and BIOS software for Arista hardware products and EOS. Responsibilities include integrating upstream kernel developments, extending kernel features, evaluating and integrating CPUs and vendor BIOS stacks, hardware bring-up and qualification, debugging, performance tuning, scalability improvements, and managing projects through deployment and customer interaction.

Design and implement software for Arista’s network operating system and OpenConfig team. Responsibilities involve applying strong computer science fundamentals, algorithms, software architecture, and product-engineering practices to programmable data center infrastructure, distributed systems, Linux-based networking, and software-defined networking solutions.

Design, deploy, operate, and improve scalable production infrastructure with strong reliability, observability, performance, and security. Build automation, monitoring, alerting, incident response, and infrastructure-as-code solutions. Collaborate with software engineering teams to resolve infrastructure bottlenecks, manage maintenance and staged releases, troubleshoot platform issues, conduct postmortems, and maintain resilient cloud and containerized systems.

Design, build, scale, and operate EngProd systems used by Arista development teams. Implement features, tests, and fixes; identify and resolve CI/CD, tooling, and infrastructure bottlenecks; provide production support and observability for internal developer tools.

Provide commercial legal support across Europe: draft, negotiate, and review commercial, channel, procurement and licensing agreements; advise on EU/member-state regulation, GDPR, export controls, and anti-corruption; identify legal risks, manage external counsel, and develop internal processes and templates to support cross-functional business teams.