Senior IT Specialist (Dublin)

We are seeking a highly skilled and experienced Senior IT Specialist to facilitate the management of end-user computing solutions and office-IT responsibilities. The successful candidate will be responsible for asset inventory and management, endpoint security, and Identity and Access Management (IAM) functions. Additionally, compliance adherence and documentation will be key responsibilities of this role.

• Operation and troubleshooting of MDM solutions, especially Jamf.
• Implement and manage endpoint security solutions to safeguard devices against cyber threats.
• Optimize performance and scalability of endpoint machines (including servers) to meet business needs.
• Strengthen physical security controls to protect IT and critical assets from unauthorized access and theft.

• Oversee lifecycle management of IT assets(hardware and software), ensuring effective issuing of devices and inventory management
• Implement asset tagging, monitoring, and reporting mechanisms.
• Maintain compliance, update and documentation of relevant IT policies and SOPs.

• Manage Office-IT infrastructure including audio-visual (AV) systems, conference room equipment, printers/copiers, local servers, network and office Wi-Fi.
• Coordinate the setup, configuration, and ongoing support of shared resources such as digital asset storage, multi-function devices, and Zoom Room environments.
• Serve as the first point of contact for office-related IT incidents and requests, ensuring minimal downtime and prompt resolution.
• Work closely with key stakeholders; including HR, Finance, and Operations in ensuring a seamless and effective experience for both users and internal operations.
• Liaise with vendors and service providers for installation, servicing, and troubleshooting as required.
• Support IT logistics for events, internal presentations, onboarding setups, and executive meetings, ensuring all systems function seamlessly.
• Enforce and document IT operational procedures, including access controls, Wi-Fi access management, data handling, DLP, IT asset management, incident response, etc.

Application & Workspace Management:

• Manage and administer applications, ensuring proper version control, patching, permission controls, and secure deployment across endpoints.
• Oversee Google Workspace administration, including user provisioning, email configuration, shared drives, and settings.
• Implement and enforce application-level access control and IAM policies, aligned with role-based permissions and least-privilege principles.
• Monitor availability and access to key digital resources (e.g., compute servers, productivity tools, shared folders), ensuring minimal disruption to daily operations.

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum of 5+ years of working experience in End-User Computing (EUC), Office-IT Support and IT asset management.
• Strong expertise in MacOS, Linux and Windows environments, including macOS deployment, management, and security.
• Hands-on experience with application configuration, device management, office equipment and local servers.
• Proven ability to engage effectively with end users and deliver responsive IT support and service with clarity, guidance and tactfulness.
• Strong technical troubleshooting and problem-solving skills.
• Excellent oral and written communication skills and interpersonal skills, with the ability to explain complex technical concepts to non-technical users and vendors with clarity.

• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management abilities.
• Ability to work in a fast-paced environment.
• Strong documentation and reporting skills.
• High attention to detail and a proactive approach to IT-asset management and security.

At Horizon Quantum, we are developing tools to simplify and expedite the process of developing software for quantum computers, a fundamentally new form of computer that exploits effects from quantum physics to process information more efficiently. We are an international team headquartered in Singapore, with key markets spread out worldwide, and a growing office in Dublin, Ireland.

Curious about our culture and principles at Horizon