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IT Support Specialist
Added 22/10/2026
Reference: 186432_1792675554

We are seeking an experienced IT Support Specialist to provide technical support, infrastructure management, and cloud-based solutions that... Read more

We are seeking an experienced IT Support Specialist to provide technical support, infrastructure management, and cloud-based solutions that ensure the security, reliability, and performance of client IT environments. This role will focus on supporting Microsoft technologies, networking, cybersecurity, and end-user systems across multiple client environments.

Key ResponsibilitiesProvide remote and on-site technical support across multiple client environments.Manage service requests, incidents, and technical escalations, ensuring timely resolution.Troubleshoot and maintain Microsoft 365, Azure, Entra ID, Windows Server, and Windows 10/11 environments.Plan and support migrations from on-premises infrastructure to Microsoft Azure.Deploy and manage Azure services, including Virtual Machines, Azure SQL, and VPN connectivity.Implement and administer Microsoft Intune and endpoint management solutions.Configure and support Microsoft Defender and other security technologies.Install, configure, and troubleshoot SonicWall firewalls, VPNs, and networking equipment.Diagnose network, connectivity, security, and infrastructure-related issues.Support SharePoint and Microsoft 365 collaboration platforms.Maintain the security, reliability, and performance of client IT environments.Provide technical guidance to clients and end users while maintaining excellent service standards.Identify recurring issues and recommend improvements to infrastructure, security, and support processes.Required Skills & ExperienceDegree in Computer Science, Information Technology, or a related field, or equivalent industry experience.Ideally 3+ years' experience in an IT Support, Infrastructure Support, or MSP environment.Strong knowledge of Microsoft 365, Azure, Entra ID, and Windows Server administration.Experience supporting Windows desktop environments, networks, and business-critical IT infrastructure.Hands-on experience with Microsoft Intune, Defender for Endpoint, and Defender for Office 365.Experience configuring and troubleshooting SonicWall firewalls, VPNs, and network infrastructure.Good understanding of cybersecurity, identity management, endpoint protection, and network security.Strong troubleshooting and problem-solving skills with the ability to own issues through to resolution.Ability to manage multiple priorities and support multiple client environments effectively.Excellent communication skills with the ability to explain technical issues to non-technical users.Fluent English.A full, clean Category B driving licence and access to a car are essential, as the role requires travel to client sites.Ideal Candidate

A proactive and customer-focused IT professional with strong technical expertise across Microsoft cloud technologies, networking, and cybersecurity. You will be comfortable troubleshooting complex issues, managing competing priorities, and delivering high-quality support while building trusted relationships with clients and stakeholders.

GCS is acting as an Employment Agency in relation to this vacancy.

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Negotiable

Dublin, Dublin County, Republic of IrelandPermanent

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