Top Linux Jobs in Dublin

Own remote access, edge security, OS lifecycle, provisioning, and networking posture for a global fleet of Linux edge devices. Build and operate tooling for remote management, patching, endpoint protection, cloud/edge integration, and customer security reviews. Collaborate with Edge Engineering, IT, and customer security teams; document processes and respond to field incidents to maintain secure, resilient deployments.

Operate and scale an AI-security SaaS platform using SRE principles: monitor SLOs, manage incidents and on-call rotation, troubleshoot customer-facing issues, automate via IaC and scripting, collaborate with development teams to improve observability, reliability, and security-as-code.

Design and develop a scalable private cloud solution for managing PlayStation development kits, including APIs and services for the PlayStation SDK. Own features through requirements, design, implementation, testing, and validation; debug issues, participate in architecture discussions and code reviews, and collaborate cross-functionally in an agile environment. The role requires production software development in Rust and modern C++, with knowledge of concurrency, testing, and distributed version control.

Provide expert PostgreSQL support to customer DBA teams: gather diagnostics, troubleshoot production issues, perform live remediation, write knowledge-base content, host webinars, and contribute to the open-source community. Participate in monitoring, backup/restore, HA, zero-downtime procedures, and occasional travel for meetings or customer visits.

Provides advanced technical support to enterprise customers, troubleshooting cloud infrastructure, networking, Linux systems, containers, and security issues. Performs root cause analysis, supports deployments, maintains SLAs, documents solutions, and collaborates with engineering, product, and sales teams. The role also mentors junior staff, contributes to training resources, and helps optimize infrastructure as code, observability, identity management, databases, and customer environments.

Design, build, and automate security controls and processes across cloud and enterprise environments. Perform technical assessments, penetration and segmentation testing, threat detection and response, and collaborate with architecture and SRE teams to implement zero-trust, IAM, and security tooling to improve F5's overall security posture.

Build and operate production systems for Coder’s agentic development experience. Develop Go-based backend systems, contribute to React and TypeScript applications, improve agent execution and context management, and create reliable integrations across models, tools, workspaces, and developer infrastructure. Own projects through rollout, enhance system reliability and performance, participate in technical reviews, and collaborate with Product and Design to deliver useful AI-powered developer experiences.

Design and operate customer-facing networking APIs, Python orchestration control planes, and automation that configures routers across global points of presence. Build resource allocation, job queues, retries, rollback, reconciliation, BGP, WireGuard, GRE, NAT, firewall, DNS, cloud interconnect, and Envoy xDS integrations. Own production monitoring, incident response, billing synchronization, API compatibility, and network configuration drift detection across application and infrastructure layers.

Architect, develop, integrate, test, debug, and optimize embedded software for diverse hardware platforms using RTOS, bare-metal, Zephyr, and Linux environments. Lead software architecture, system validation, test automation, and multi-threaded application development while collaborating with hardware and software teams. Define test strategies, analyze defects, document designs, conduct code reviews, mentor engineers, optimize performance and power usage, and contribute to open-source projects.

Designs, automates, and operates secure, scalable AWS infrastructure using Terraform, CI/CD pipelines, containers, and Kubernetes. Improves observability, reliability, deployment workflows, security, cost efficiency, and incident response. Troubleshoots production issues across infrastructure, applications, networking, and pipelines while collaborating with globally distributed engineering, security, and QA teams. Provides EMEA operational coverage and develops automation using Python, Bash, and AI-assisted tools.

Create and maintain user-oriented technical documentation for PostgreSQL products, including installation, configuration, troubleshooting, user guides, manuals, man pages, help prompts, and release notes. Collaborate with engineering, product, development, QA, and documentation teams in a distributed docs-as-code environment. Use Markdown, version control, diagrams, AI tools, and documentation testing practices while contributing to documentation strategy and potentially open-source projects.

The Backend Engineer will develop and maintain features for Restream web services, design backend APIs, ensure infrastructure resilience, and contribute to a collaborative team environment.

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.

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.

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.

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 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.

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.