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IT Senior System Engineer

AMCS Group -
Limerick, County Limerick

Quick apply

Job details

Full-time

Qualifications

Azure
Computer Science
LAN
Windows
DHCP
Bachelor's degree
WAN
DNS
VMWare
Linux
Network engineering
Communication skills
Intune
VPN

Full job description

Sustainability that means business

Who we are:

Sustainability software specialist, AMCS, is headquartered in Ireland, with offices in Europe, the USA, and Australasia. With over 1,300 highly-skilled employees across 22 countries, we specialize in delivering technology solutions to facilitate a carbon neutral future.

What we do:

Our innovative SaaS solutions increase efficiency and boost sustainability in resource-intensive industries. Over 5,000 customers across 23 countries already benefit from our Performance Sustainability software, ensuring we deliver practical solutions for improved profitability and environmental resilience across the globe.

Our people:

AMCS offers team members more than just a job, but an opportunity to map out a career with a company that is growing, evolving and setting out new ways of working that are having a positive impact on the world around us. AMCS was established in Ireland and holds onto those local roots and ‘start-up’ mentality with a culture of connection. Connection to our work, our customers, our colleagues and our community that creates a working environment that fosters openness, collaboration and creativity.

The Opportunity

The Senior IT Systems Engineer is a hands‑on, senior technical role responsible for the stability, security, and evolution of AMCS Group’s IT infrastructure and platforms. This role acts as an escalation point for complex technical issues, drives improvements to reliability and security, and delivers infrastructure and operational projects across the business.

The role requires on‑site presence two days per week to support physical infrastructure, office environments, and collaborative activities.

Act as a senior escalation point for complex incidents, leading investigation, root‑cause analysis, and permanent resolution and provide L2/L3 support to Service Desk and IT Operations engineers.
Implement and support on‑prem, hybrid, and cloud infrastructure across Windows, Linux, virtualisation, and networking platforms.
Administer and continuously improve Microsoft 365, Entra ID (Azure AD), Intune, DNS/DHCP, and identity federation services.
Maintain endpoint, server, and network patching, configuration, and lifecycle management.
Embed security best practices across identity, endpoint, network, and infrastructure platforms.
Support audit readiness and evidence gathering aligned to ISO27001, SOC, and internal control frameworks.
Perform server, security, and configuration audits in line with business continuity and disaster recovery strategies.
Contribute to continuous improvement of security posture, resilience, and risk management.
Lead or strongly contribute to infrastructure initiatives such as office moves, network/firewall refreshes, hybrid‑cloud improvements, and acquired‑company integrations.
Ensure technical work aligns with enterprise standards, security frameworks, and change control processes.
Coordinate with vendors, partners, and internal teams to deliver changes safely and effectively.
Act as a trusted technical partner to IT leadership on design decisions, risk, and prioritisation.

Knowledge and Experience

7–10+ years’ experience in systems and network engineering roles (Windows, Linux, virtualisation, networking).
Strong experience with Microsoft 365, Entra ID, Intune, and identity/security controls.
Solid grounding in Azure fundamentals and hybrid infrastructure concepts.
Networking experience across LAN/WAN/WLAN, firewalls (Cisco/Fortinet/Sophos), routing, switching, VLANs, VPNs.
Experience with virtualisation platforms (VMware and/or Hyper‑V) and backup/DR concepts.
Strong scripting/automation mindset (infrastructure, monitoring, or operational automation).
Excellent written and verbal communication skills; able to operate confidently with senior stakeholders.

Qualifications

Bachelor’s degree in Computer Science, or a related field and minimum 7+ years relevant experience preferred.
A Network certification would be beneficial.
An Azure cloud certification would be beneficial.

The role requires on-site presence two days per week to support physical infrastructure, office environments and collaborative activities. Office based in Limerick.

Quick apply

Refine Your Search

linux systems engineer operations jobs

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