Top Linux Jobs in Dublin

The Bilingual Sales Engineer will manage technical support in the sales process, conduct product demonstrations, assist with implementations, and provide technical consulting to clients, focusing on Keeper products in the EMEA region.

Join Canonical as a graduate software engineer to write high-quality code across the open source stack, work on Linux system-level and application projects, engage with communities, respond to customer issues, and develop security-aware software while collaborating remotely and attending biannual in-person team sprints.

Design and develop internal services and deployment automation tools in Go; build and maintain GitLab CI/CD pipelines; manage Kubernetes production and pre-production environments; evolve internal deployment platform (Packman); implement IaC with Terraform and Ansible; optimize ephemeral/stage environments; improve observability with Grafana/OpenSearch/Prometheus; collaborate with engineering teams to enhance developer experience and delivery speed.

Develop and maintain the Prime Sequel Platform's P&L allocation engine. Design scalable Java microservices, perform feasibility analysis, lead SDLC phases, ensure performance and compliance, mentor junior engineers, and collaborate with global stakeholders to deliver robust, production-grade financial systems.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Develop and maintain PHP/Laravel applications for a VAT recovery system. Improve performance, fix bugs, ensure code quality, work with APIs, XML/YAML, LAMP stack, and collaborate in an Agile team.

The Bilingual Channel Sales Engineer will support pre-sales and post-sales technical processes, assist with product demonstrations, and address technical queries for EMEA partners.

Design, build, and optimize a multi-region, highly-available Java/Scala microservices data pipeline processing thousands of messages/sec. Improve performance, implement fraud-detection pipelines with ML (Kafka/Kafka Streams), deploy to multi-cloud Kubernetes, and push frequent production releases to maintain five-nines uptime.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

This role involves driving revenue growth through strategic relationships and partnerships in Sales and Alliances, focusing on the technology industry.

Lead user research by collecting and synthesizing qualitative and quantitative data, run A/B and usability studies, build lightweight prototypes and dashboards, promote research-driven decision making, scale research ops, and train teams to integrate user science across product and engineering.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.

Join the Kubernetes product team to design and implement Kubernetes operators and addons, write high-quality Golang and Python code, debug issues, collaborate with a distributed team, mentor colleagues, and contribute to open-source integration and lifecycle management. Travel 2–4 weeks yearly for team events.

Lead three engineering teams (Billing, Contracts, Livepatch) delivering and operating full-stack Golang services. Develop engineering managers, set roadmaps, uphold engineering practices, hire talent, collaborate with stakeholders, and ensure product and team health.

Design, build, and operate an AWS- and Kubernetes-centered cloud platform. Scale clusters and services, shape architecture, drive automation and best practices, and collaborate with product teams to deliver cloud-native applications into production.

Lead design and delivery of reliability and platform engineering work: operate and scale Kubernetes clusters, build cloud infrastructure, implement IaC, define SLO/SLI/error budgets, improve observability, automate CI/CD, embed AI-driven workflows, mentor engineers, collaborate with Security, and participate in incident response and on-call rotations.

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.

Create and maintain Tetragon runtime security policies using threat intelligence and CVE monitoring. Design frameworks for policy consumption, collaborate with engineers and customers to deploy protections, and publish/share findings.

The Senior Java Developer will lead the design and implementation of scalable solutions, mentor junior members, and collaborate effectively with stakeholders to enhance system capabilities and drive innovation within the team.

Lead reliability and observability for compute nodes running VMs. Debug Linux user/kernel issues, troubleshoot CPU/memory/NUMA/cgroups, operate QEMU/KVM and container tech, design node-level metrics/logs/traces/SLIs/SLOs, run incident response and collaborate across platform, kernel, GPU and infrastructure teams.

Lead performance analysis and optimization of large-scale GPU/HPC clusters across hardware and software stacks. Troubleshoot real workloads, qualify and integrate new hardware, tune system configurations (networking, virtualization, kernel), support escalations, and collaborate with infrastructure teams and hardware vendors to ensure cluster performance meets expectations.

Build and operate ML platform systems for training, evaluation, deployment, and serving. Improve reliability, scalability, cost-efficiency, observability, and automation for GPU and cloud workloads. Develop internal tools and agent-friendly workflows, collaborate with researchers and product engineers, and drive platform architecture and developer experience.

The Senior Infrastructure Engineer will manage and scale LiveKit's core infrastructure, focusing on reliability and performance, while working on Golang code and automation for distributed systems.

Design, implement, and manage LiveKit's infrastructure, focusing on performance, reliability, and automation while ensuring effective incident management and coordination with vendors.

Conduct original security research to discover and analyze vulnerabilities, develop detection checks/plugins for Tenable sensors (e.g., Nessus), implement advanced detection logic with low false positives/negatives, communicate and externalize research findings, train other researchers, and collaborate with stakeholders while working across multiple operating systems (Linux).