Top IT Jobs in Dublin

Drive growth for Machine Automation Solutions across the UK & Ireland by winning new business and expanding accounts. Build strategic client relationships, use consultative solution selling and CRM (Salesforce), maintain accurate forecasts, collaborate across teams, and leverage MAS product portfolio and industry knowledge to exceed sales targets.

Support and improve Microsoft 365 collaboration platforms, governance, identity and access processes, ITSM workflows, documentation, incident coordination, reporting, testing, rollouts, and change management. The role analyzes recurring issues, coordinates cross-functional initiatives, supports automation using PowerShell, Microsoft Graph, and Power Platform, and partners with engineering, security, vendors, leadership, and business teams to improve enterprise collaboration operations.

Lead IT category sourcing for high-spend procurement, develop and present category strategy, perform market analysis, negotiate contracts, manage supplier performance, and guide cross-functional stakeholders through sourcing and acquisition processes.

Manage and enhance identity and access management systems, including onboarding, offboarding, identity lifecycle, entitlements, roles, and Active Directory migrations. Automate IAM processes using PowerShell and tools such as Saviynt, OneIdentity Active Roles Server, and Okta. Resolve identity issues, support maintenance and upgrades, document processes, assist audits, contribute to IAM roadmaps, and collaborate with IT, DevOps, HR, Legal, and InfoSec stakeholders. Participate in on-call support.

Architect and build an AI-native automation and orchestration toolchain (fusing traditional tools with foundation models), enable and mentor early adopter teams, standardize practices across departments, drive infrastructure-as-code and CI/CD adoption, contribute to the IT/Sec operating system, and champion cross-departmental adoption of automation and AI platforms.

Administers and architects IBM i environments across IBM Power Systems, managing partitions, upgrades, backups, disaster recovery, high availability, security, performance, storage, and integrations. Develops automation with CL, SQL, and RPG; supports IBM MQ, APIs, cloud platforms, and open-source technologies. Serves as the highest technical escalation point, leads root-cause analysis, participates in on-call support, and manages infrastructure changes, modernization initiatives, documentation, and compliance.

Administer and secure enterprise IT and OT environments across sites, supporting Windows Server, virtualization, networking, cloud (Azure/M365), PLC/SCADA integrations, backups, DR, segmentation and Zero Trust initiatives. Provide Tier 2/3 escalation, network/OT troubleshooting, monitoring, documentation, compliance support, and collaborate with infrastructure, security, and manufacturing teams to maintain production uptime.

Designs, implements, and manages secure, highly available hybrid network infrastructure across AWS, Azure, and office environments. Responsibilities include cloud and on-premises networking, firewalls, VPNs, monitoring, troubleshooting, automation, disaster recovery, documentation, compliance, and stakeholder communication. The role supports switches, routers, wireless infrastructure, servers, virtualization, and storage systems while optimizing network performance and reliability.

As an IT Internal Auditor at SumUp, you will plan and execute IT internal audits, assess IT general controls, prepare audit reports, and use data analytics to enhance audit efficiency. You'll collaborate with senior stakeholders and contribute to the development of internal audit methodologies while staying updated on technology standards and regulatory practices.

Provide technical support for applications: investigate and resolve issues, develop and implement interfaces, create support documentation, collaborate with Design/Test/Dev teams, estimate resources, and monitor project performance.

Investigate and resolve verified application issues, develop and implement interfaces, create technical support documentation, collaborate with design, test and development teams, provide user support, estimate resource timings, and monitor project performance to meet goals.

Develop and maintain Digital Workplace tools, working closely with teams, performing testing, debugging, and technical research. Requires web development experience and familiarity with modern software architectures.

Provide hands-on IT support across macOS and other endpoints, troubleshoot hardware/software/networking/accounts, manage onboarding/offboarding and device enrollment, maintain device management and identity systems, join on-call rotation, write automation scripts (Bash/Python), document runbooks, and identify automation opportunities to improve scale.

Perform regulatory and compliance-driven systems analysis across EMEA programmes: translate legislation into precise, traceable IT requirements; assess legacy systems and cross-system impacts; lead discovery with stakeholders; author testable acceptance criteria; coordinate multi-country implementation and dependencies; apply and improve AI-assisted analysis tools; partner with architects, delivery managers, QA, legal and compliance to ensure compliant delivery.

Lead architecture and build an automation and AI-native toolchain (fusing traditional automation with agentic workflows), mentor teams, drive cross-department adoption, standardize practices, and evolve IT operations toward infrastructure-as-code and platform-first models.

Build and maintain infrastructure automation, Infrastructure-as-Code, monitoring, CMDB, and network-management systems for servers, cloud environments, Cisco networks, and physical security devices. Develop remediation, patching, compliance, provisioning, logging, and ticketing workflows; create monitoring exporters and dashboards; perform advanced troubleshooting and root-cause analysis; and lead postmortems. Participate in a 24x5 on-call rotation supporting mission-critical infrastructure.

The AV Support Engineer provides Level 2 technical support for AV/VC systems, performs diagnostics, resolves issues, conducts room audits, and offers user acceptance testing, ensuring high-quality service and client satisfaction.

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 and mature the enterprise security program: manage identity/SSO, EDR, MDM, and SaaS security; secure cloud and developer stacks (GitHub, AWS, GCP); run vulnerability management, backup testing, and incident response; ensure endpoint lifecycle governance and maintain compliance with ISO 27001 and SOC 2.

Lead design, operation, and improvement of developer platforms and tooling. Act as product owner for CI/CD, source control, observability, and dev tooling; standardise and automate pipelines, enforce security and guardrails, provide self-service capabilities, and ensure platform reliability and monitoring.

Provide IT support globally, mentor team members, manage hardware inventory, ensure IT security, and standardize processes within the IT team.

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.

Lead onsite IT operations for the Dublin office and coordinate EMEA regional IT support. Provide frontline support, onboarding/offboarding, AV and event readiness, vendor and inventory management, workplace technology for office builds, executive/white-glove support, and drive documentation, workflows, and automation to scale support across offices and time zones.

Provide L2/L3 IT support, manage Azure services, corporate network devices, Active Directory, and cloud infrastructure, ensuring reliable IT Security systems while collaborating in a global team.

The Assistant IT Manager oversees level 1 support for onboard computer systems, manages IT network infrastructure, and assists users with technical issues to ensure optimal system performance.