Top Linux Jobs in Dublin

Build and operate security infrastructure protecting MongoDB Atlas across AWS, Azure, and GCP. Harden Linux hosts and containers, develop cloud security and workload identity platforms, implement IaC-based security controls, and create monitoring and alerting systems. Lead initiatives from threat modeling and architecture through production rollout and long-term reliability. The role requires strong coding, distributed systems, Linux, Kubernetes, cloud infrastructure, and infrastructure automation experience.

Lead infrastructure security initiatives by building automated guardrails and security capabilities across Linux, Kubernetes, CI/CD, IaC, and multi-cloud environments. Responsibilities include hardening hosts and containers, implementing runtime threat detection, managing CSPM and workload identity platforms, developing security monitoring systems, and driving initiatives from threat modeling through reliable production deployment.

Lead Infrastructure Engineer designs, implements, and modernizes infrastructure for performance, resiliency, and security. Responsibilities include cloud and on-prem migrations, Kubernetes and cloud-native app administration, data streaming (Kafka/Event Grid/Service Bus), scripting and CI/CD automation, AI-assisted infrastructure analysis, and cross-functional collaboration to deliver traceable, auditable infrastructure changes.

Build and architect scalable cloud and on-premises monitoring solutions across infrastructure, APM, and logs. Develop custom automation scripts, create testable configuration patterns, and advise clients on observability, SRE, and DevOps best practices. The role involves working across diverse client environments, managing multiple projects, exploring AI applications in observability, and accommodating US working hours and customer onsite engagements as needed.

Design, build, and operate secure Azure cloud platforms supporting data, machine learning, and generative AI workloads. Develop Infrastructure as Code, automation, and CI/CD pipelines; implement monitoring, observability, security, networking, and data protection; support production systems through incident response and root cause analysis; optimize cost, performance, and scalability; and contribute to resilience, disaster recovery, documentation, and platform standards.

Design, build, and operate enterprise-scale infrastructure platforms. Write and review production code, diagnose production issues, participate in on-call rotations, apply AI-assisted development, and improve scalability, reliability, security, and cost. Collaborate with stakeholders, decompose problems, measure impact, and contribute to platform-level technical decisions in a greenfield Dublin engineering hub.

Design, build, and operate high-performance Kdb+/Q platforms for real-time and historical market data, partnering with traders and researchers to deliver scalable time-series analytics, streaming, and trading solutions while driving architecture, automation, and operational excellence.

Lead security engineer advising product and operational teams on secure design, driving security reviews and standards, documenting enhancements, presenting solutions, and leading security for complex global initiatives to meet security and regulatory requirements.

Lead security engineer advising product and operational teams on secure design, standards, and review processes. Lead security for large global initiatives, document and enhance security standards, present technical guidance, recommend solutions to meet security and regulatory requirements, and support automation, scripting, and Linux-based security operations.

Lead Security Engineer in the Business Security Enablement guild advising product and operational teams on secure design, driving security reviews, documenting and enhancing standards, presenting technical guidance, leading security for large global initiatives, recommending secure solutions to meet regulatory requirements, and implementing automation, scripting, and Linux-based security administration.

Lead security engineer advising product and ops teams on secure design, reviewing and improving security standards and procedures, leading security for large global initiatives, presenting technical recommendations, and implementing cryptographic, network, and systems security controls while driving automation and process improvements.

Lead security engineer advising product and operational teams on secure design, standards, and reviews. Lead security on large global initiatives, document and enhance security procedures, present technical/business findings, recommend solutions to meet security and regulatory requirements, and drive automation and process improvements.

Lead security engineer advising product and program teams on secure design, standards, and reviews. Lead cross-functional global initiatives, document security procedures, present findings, recommend solutions meeting security and regulatory requirements.

Lead security engineer advising product and operational teams on secure design, review processes, and standards. Lead security for large global initiatives, document and enhance security procedures, recommend solutions to meet security and regulatory requirements, and present technical/business security guidance.

Lead security engineer advising product and operational teams on secure design, conducting security reviews, documenting and improving security standards, presenting technical guidance, and leading security roles on large, cross-functional global initiatives to meet security and regulatory requirements.

Lead the Business Security Enablement guild to advise on secure design, lead large global initiatives, document and enhance security standards, present technical recommendations, and ensure compliance with security policies and regulatory requirements.

Lead security engineer advising product and operational teams on secure design, documenting and enhancing security standards, leading large cross-functional initiatives, presenting technical guidance, and recommending solutions to meet security and regulatory requirements. Role requires deep knowledge in web security, cryptography, encryption protocols, security tooling, automation, scripting, and Linux administration.

Provides technical support to major MongoDB customers by diagnosing and resolving complex architecture, performance, recovery, security, infrastructure, and database issues. Advises customers on MongoDB best practices at scale, advocates for customer needs with product and engineering teams, and contributes to internal support tooling for diagnostics, benchmarking, and performance. The role requires strong communication, troubleshooting, teamwork, adaptability, and willingness to provide occasional coverage outside regular hours.

Conduct incident response engagements, threat hunting, intrusion investigations, and host and network forensics across Windows, macOS, and Linux. Analyze malware and network activity, support remediation planning, and communicate findings through reports and presentations to customers, regulators, executives, and legal counsel. The role requires independent technical execution, customer interaction, knowledge of cloud incident response, and the ability to use AI technologies to improve security workflows.

Conduct incident response engagements, threat hunting, intrusion investigations, and host or network forensics across Windows, macOS, and Linux. Analyze targeted attacks, malware, network activity, and cloud incidents; support remediation planning; and prepare technical findings, reports, presentations, and recommendations for customers, regulators, and legal counsel. The role requires independent technical execution, customer communication, and collaboration with project leadership and internal teams.

Conduct incident response engagements and intrusion investigations for major organizations. Hunt for threat actors across large datasets, perform host and network forensics across Windows, macOS, and Linux, analyze malware and network activity, and support remediation planning. Prepare reports, presentations, recommendations, and findings for customers, regulators, executives, and legal counsel while collaborating with project leadership and internal teams.

Develop and review Go and eBPF code for Cilium open-source and Enterprise codebases. Deliver roadmap features, troubleshoot and fix bugs, maintain production-quality software, and collaborate on distributed systems architecture including cluster mesh. Integrate with datacenter networking protocols while upholding engineering, code quality, and operational excellence practices.

Lead solution architecture and technical direction for securities-based lending products. Translate business needs into secure, scalable cloud-native solutions across applications, APIs, integrations, data, infrastructure, and distributed systems. Guide engineering squads through design and production delivery, establish architectural standards, modernize platforms, manage technical risks, support governance, and mentor technical leaders. This is a 12-month hybrid consultancy contract with possible extension.

Manage, maintain, and support infrastructure hosting environments for a healthcare managed service account. Responsibilities include administering Linux and Windows Server systems, VMware environments, compute and storage infrastructure, monitoring performance, resolving incidents, managing changes, maintaining documentation, applying security practices, participating in on-call support, and driving continuous service improvements.

Manage deployment, maintenance, and enhancement of electronic trading systems across global venues. Provide counterparty support, risk management, system triage, optimization, and technical troubleshooting in a Linux environment. Collaborate with traders and exchanges to understand market structure and respond decisively to high-stress, time-sensitive incidents. The role requires programming ability, strong communication, technical agility, and interest in financial markets and low-latency systems.