Senior I.T Systems Engineer

Overview

An established and growing managed IT services provider is seeking an experienced Senior IT Systems Engineer to take technical ownership of complex client environments and deliver high-quality infrastructure, cloud and support solutions.

This is a senior, client-facing position combining advanced technical support with project delivery, solution design and technical leadership. The successful candidate will act as an escalation point for complex issues, lead infrastructure deployments and provide practical guidance to clients and other members of the technical team.

The role involves a combination of on-site and remote work across SME, enterprise, education and public-sector environments throughout Ireland.

Key Responsibilities

· Act as a senior technical escalation point for complex infrastructure, networking, cloud and security issues.

· Take ownership of incidents and technical problems through investigation, resolution, documentation and client communication.

· Design, implement and support server, network, cloud and endpoint solutions.

· Lead infrastructure projects, including migrations, upgrades, new-site installations and technology refresh programmes.

· Install, configure and maintain servers, workstations, firewalls, switches, wireless equipment and related infrastructure.

· Manage and support Microsoft 365 services, including identity, email, security, collaboration and device-management technologies.

· Support Microsoft Azure and hybrid-cloud environments.

· Deliver and maintain backup, disaster-recovery and business-continuity solutions.

· Review client environments and recommend improvements in performance, resilience, security and manageability.

· Lead system patching, upgrades, preventative maintenance and lifecycle-management activities.

· Investigate recurring incidents and implement solutions that reduce future support requirements.

· Provide technical input into proposed solutions, project scopes and client quotations.

· Work with remote monitoring and management tools to proactively identify and address client issues.

· Maintain accurate technical documentation, including network diagrams, system configurations, procedures and client records.

· Communicate technical issues, risks and recommendations clearly to both technical and non-technical stakeholders.

· Mentor and support junior engineers, sharing technical knowledge and promoting consistent engineering standards.

· Coordinate with internal support teams, vendors and third-party providers to deliver effective outcomes.

· Help improve internal technical processes, documentation and managed-service standards.

· Ensure work is completed in line with agreed service levels, security requirements and professional standards.

Essential Requirements

· A minimum of five years experience in an IT engineering, infrastructure or managed-services role.

· Strong experience supporting and administering Microsoft Windows Server and desktop environments.

· Advanced knowledge of networking technologies, including TCP/IP, DNS, DHCP, VLANs, VPNs, routing and wireless networks.

· Strong practical experience with Microsoft 365 administration and security.

· Experience supporting Microsoft Azure, Entra ID or hybrid-cloud environments.

· Hands-on experience with firewalls, routers, switches and general network infrastructure.

· Experience delivering infrastructure migrations, upgrades and deployment projects.

· Strong knowledge of backup, disaster-recovery and business-continuity solutions.

· Proven ability to diagnose and resolve complex technical issues independently.

· Experience acting as an escalation point for other engineers or support teams.

· Strong documentation, planning and organisational skills.

· Excellent client-facing and communication skills.

· Ability to explain technical risks and solutions clearly to non-technical stakeholders.

· Ability to prioritise competing requirements and take responsibility for issues through to completion.

· Full clean driving licence and willingness to travel to client locations.

Desirable Experience

· Previous experience working for a managed service provider.

· Experience with remote monitoring and management, professional services automation and ticketing platforms.

· Microsoft, Cisco, Fortinet, CompTIA or other relevant technical certifications.

· Experience with Intune, Microsoft Defender, SharePoint and Teams.

· Knowledge of virtualisation technologies such as Hyper-V or VMware.

· Experience with cybersecurity controls, email security and endpoint-protection solutions.

· Familiarity with IT service-management practices and service-level agreements.

· Experience preparing technical scopes, project plans or solution proposals.

· Knowledge of data-protection requirements and security best practices.

Personal Attributes

· Takes ownership and follows issues through to a successful conclusion.

· Calm and methodical when dealing with complex or business-critical incidents.

· Commercially aware and focused on delivering appropriate, supportable solutions.

· Professional and confident when engaging with clients.

· Able to balance technical quality with operational and business requirements.

· Willing to share knowledge and support the development of other engineers.

· Proactive in identifying risks, improvements and opportunities for standardisation.

· Adaptable and comfortable working across different technologies and client environments.

What's on Offer

· A senior technical position within a growing managed IT services business.

· Exposure to a wide range of client environments and technologies.

· The opportunity to lead significant infrastructure and cloud projects.

· Responsibility for influencing technical standards and service improvements.

· A supportive and technically focused team environment.

· Ongoing professional development and relevant certification opportunities.

· Clear opportunities for progression into technical leadership, consultancy or solutions architecture.

Pay: €48,000.00-€60,000.00 per year

Benefits:

• Bike to work scheme
• Company car
• Company pension
• Sick pay

Work Location: In person