Top Linux Jobs in Dublin

Provide consultative engineering and high-tier support to enterprise customers: design, architecture, integration, implementation, migration, benchmarking, POCs, and L1-L3 support. Collaborate with Product, Engineering, and Sales, create documentation and content, mentor hires, and provide on-call and up to 35% onsite regional travel.

Lead product development in the industrial sector focusing on IoT, edge computing, and AI applications. Oversee product lifecycle, conduct market research, and collaborate with cross-functional teams.

Support threat intelligence, incident analysis/response, penetration test coordination, vulnerability scanning and remediation tracking, security tool administration, dashboard maintenance, and adherence to security policies while learning and developing cybersecurity skills.

Owner of offensive security testing and continuous perimeter monitoring across external domains, IPs, DNS, VPS, and office infrastructure. Conduct adversary emulation against endpoints/EDR/XDR, scoped web/API tests, and document exploitation chains. Translate findings into defensive controls, support Purple Teaming, and improve asset tracking and remediation metrics.

Design and implement secure Linux-based product, network, and server architectures with automation. Lead cloud infrastructure and application deployment projects, support regulatory and product security management, and advise on APIs (REST, MQTT, OPC-UA). Work in a cross-functional team using containerization, CI/CD, and infrastructure-as-code tools.

Own product strategy and roadmap for Percona Monitoring and Management. Work with customers, community, and cross-functional teams to define requirements, prioritize features, run discovery, and drive product releases. Use telemetry and customer feedback to measure success and promote adoption through content, events, and community engagement.

The role involves leading production services, ensuring system stability, managing incidents, improving performance, and mentoring teams in a high-availability environment.

Analyze large datasets to identify trends and deliver actionable insights; design and monitor KPIs; build and maintain dashboards and reporting frameworks; conduct ad hoc analyses; ensure data quality and support reporting infrastructure in partnership with product and business teams.

Support pre-sales and post-sales technical activities across EMEA: identify technical requirements, run demos and trials, assist implementations and integrations, provide level-2 support, liaise with sales, partners and engineering, update Salesforce, and travel up to 50%.

Design, implement, and support a unified Privileged Access Management solution across private data centers and public clouds. Improve CI/CD pipelines, implement observability, automate repetitive tasks, and participate in 24x7 on-call rotation to ensure availability and security of PAM services.

Provide escalated technical support for edge-to-cloud computer vision deployments: troubleshoot cameras, networking, edge devices, and integrations; analyze AWS CloudWatch logs; debug Python and JavaScript; collaborate with Engineering, Product, and Client Success; document solutions and improve support processes.

Maintain and expand Ocient's hosted data warehouse services with a focus on high availability, performance, observability, automation, security, and incident management. Build monitoring, logging, alerting, CI/CD, and automate Linux server deployments while supporting backup, DR, and test infrastructure.

Work on IT projects for migration, infrastructure and security; design and administer on-premise and cloud/hybrid systems; provide second/third-level support; maintain network and product-related IT services; collaborate with development and service teams; create and validate accurate IT process and infrastructure documentation.

The Senior Systems Engineer will manage global infrastructure, oversee service availability, perform server maintenance, and design hybrid cloud environments, ensuring operational excellence and security incident response.

Design and execute system-level test cases for a network management system, troubleshoot issues, write bug reports, and improve user experience.

The POC Engineer designs and demonstrates networking solutions for clients, manages complex test topologies, and collaborates on product enhancements.

Design, build and maintain Splunk dashboards and clusters: ingest Big Data, create SPL, indexes, lookups, forwarders, and CI tests. Support, monitor, upgrade clusters, script cron jobs, analyze performance data, and collaborate with global teams.

Design, build, deploy and operate large-scale distributed messaging, streaming and NoSQL platforms (Kafka, Redis, RabbitMQ, Cassandra). Develop client libraries/SDKs, automation, observability, and resilience features across Kubernetes, public and private clouds. Participate in on-call rotation, performance tuning, and adoption of cloud-native tools while supporting compliance and sovereign cloud requirements.

Manage day-to-day Bug Bounty Program: triage, assess CVSS severity, communicate findings, coordinate remediation and retest, onboard assets, close visibility gaps, and work with risk, legal, and privacy teams to mature the program.

Design, build, and operate scalable control-plane services and Kubernetes controllers enforcing network segmentation and security policies across clusters, clouds, and data centers. Integrate cloud-native networking (CNI, service mesh), automate policy lifecycle, lead production troubleshooting, apply CI/CD and observability, mentor engineers, and use AI tools to accelerate development and operations.

Design, build, and maintain scalable backend services for eBay's Cloud Security Segmentation platform. Develop Kubernetes-based control plane services, troubleshoot distributed systems and cloud infrastructure, use CI/CD and automated testing, participate in code reviews and incident response, and leverage AI-assisted engineering tools to improve productivity and reliability.

Build and maintain hardened Ubuntu-based container images and the automated CI/CD pipelines to build, test, scan, sign, publish, and retire them. Integrate upstream open-source projects, ensure security and cloud-native compatibility, collaborate with cross-functional teams, document and share knowledge, mentor colleagues, and contribute to hiring. Work in a distributed agile environment with occasional travel.

Provide expert-level technical support for a cloud-native security platform across AWS, Azure, GCP and OCI. Troubleshoot cloud connectors, Kubernetes and runtime security, analyze vulnerabilities and SBOM/SCA results, support shift-left CI/CD/IaC workflows, design AI-driven automation, and participate in on-call rotations.

Operate and improve Alpaca's production infrastructure: on-call incident response, define SLIs/SLOs, enhance observability, ship infrastructure as code via GitOps, and strengthen PostgreSQL reliability (performance, migrations, HA/DR). Mentor teams on reliability and database fundamentals.

Design, develop, and optimize high-performance storage data plane components for large-scale distributed systems using C++ or Go. Drive architectural decisions, profile and tune I/O and concurrency, own production issues end-to-end, collaborate with control plane/SRE teams, mentor engineers, and participate in on-call rotations to ensure low-latency, reliable storage infrastructure.