Top Linux Jobs in Dublin

Provide tier-3 technical support for Arista networking products: troubleshoot complex network protocols, reproduce issues in lab, work with customers and engineering, document issues, and recommend corrective actions.

Serve as the technical lead in pre-sales for French-market accounts: qualify deals, deliver tailored demos, validate integrations and feasibility, shape solutions with AEs, support trials, and ensure smooth post-sale handoffs while providing product feedback.

Lead cross-functional Agile projects, mentor teams, manage stakeholders, optimize processes, and ensure quality and predictability in software development.

As a Principal Network Architect, you'll lead network architecture design, evaluate new technologies, automate processes, ensure security compliance, and collaborate with teams and vendors.

As a Senior PostgreSQL Database Engineer, you will assist customers with high-complexity database issues, perform detailed analysis, and produce community-focused content while collaborating with other experts remotely.

The Systems Engineer will manage server infrastructure, database systems, and network performance while collaborating with developers to ensure optimal operation and resource management.

As a Senior kdb+ Engineer, you'll lead the development of high-performance kdb+ architectures for financial institutions, mentor junior developers, and ensure quality in code and delivery.

The kdb+ Engineer collaborates with users to define application requirements, develops and maintains code, supports project delivery, analyzes time-series data, and mentors junior developers.

Responsible for designing, building, and supporting high-performance Linux servers for trading platforms, diagnosing issues, and optimizing performance.

Customer-facing Site Reliability role applying SRE best practices to customers running Isovalent software on Kubernetes. Troubleshoot incidents, analyze customer architectures, collaborate with stakeholders, improve customer health monitoring and tooling across on-prem and cloud environments.

Build and operate Zendesk's global edge infrastructure: proxy tier, CDN, load balancing, and security layers. Ship scalable server-side code, collaborate across teams, plan complex deployments, and improve observability and system resilience for high-traffic distributed systems.

Lead and deliver full‑stack PHP development across WordPress and Laravel ecosystems. Provide technical direction, code quality and deployment governance, manage suppliers, translate product requirements into technical plans, and optimise performance, security and availability of revenue-generating websites and integrations.

Design, build, test, and deploy scalable, reliable enterprise solutions. Collaborate with architects and stakeholders to gather requirements, implement features, fix bugs, optimize distributed system performance, work in agile sprints, and mentor junior engineers.

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.

Lead design and implementation of an automation platform to orchestrate package creation, test generation, and image builds. Build LLM-integrated tooling, write production Go for CLIs and services, develop test generators and validation frameworks, and drive roadmap and engineering quality across a small team.

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.

Lead cloud network reliability and automation across AWS: design and maintain IaC (Terraform), CI/CD pipelines, load balancers, CloudFront and Cloud WAN, implement observability and governance, participate in incident rotation, and drive cross-functional infrastructure improvements.

The Network Site Reliability Engineer will define reliability goals, enhance network reliability, manage incident responses, build observability, and automate workflows.

Lead embedded Linux platform enablement for Nabu Casa hardware: Buildroot-based board bring-up, bootloader and BSP work, debugging, performance and reliability improvements, CI/build infrastructure maintenance, upstreaming patches, and collaborating with vendors and open-source maintainers to ensure long-term device support.

Own and grow reseller and distributor relationships across the UKI territory. Develop channel strategy, recruit and onboard partners, run enablement and go-to-market plans, manage pipeline and partner satisfaction, and support initial customer discovery as needed to meet annual sales growth quotas.

Lead and build Nebius' Detection & Response capability: design detections, achieve MITRE coverage, run incident response and forensics, integrate threat intelligence, build D&R tooling and SOAR workflows, and manage cross-functional stakeholders and metrics (MTTD/MTTR). Hire, mentor, and scale a team and on-call program.

Operate and maintain Telnyx's global IP backbone: bring new PoPs into production, manage BGP/IGP/MPLS/Segment Routing/EVPN, handle peering/transit and optics, run capacity changes and troubleshooting, and build AI-driven automation and validation tooling to reduce toil.

Develop and maintain embedded software and peripheral drivers for RISC-V SoC FPGAs, collaborate on silicon bring-up and debugging, create reference designs and examples, and resolve technical issues with silicon engineering and validation teams.

The role involves building self-service platform services using Go, automating operational workflows, scaling Kubernetes, and ensuring reliability in cloud environments.