L3 Infrastructure Engineer - Permanent
Location: Dublin (Hybrid - 3 days onsite / 2 days remote)
Type: Permanent
Overview
A leading financial services organisation is hiring an experienced L3 Infrastructure Engineer to join its IT Operations team. This is a hands-on senior infrastructure role with full ownership of server, virtualisation, and core infrastructure platforms, as well as responsibility for project delivery and upgrades.
This is a critical hire due to team expansion and increased project demand, offering strong technical ownership, autonomy, and long-term career progression.
Key Responsibilities
Core Infrastructure Support
- Act as the final escalation point (Level 3) for complex infrastructure issues
- Provide advanced troubleshooting across Windows, virtualisation, storage, and networking
- Support internal platforms across multiple sites
Infrastructure Ownership
- Manage and maintain Windows Server environments (2019 / 2022)
- Own VMware virtual infrastructure
- Support and optimise enterprise-grade server and storage platforms
- Manage Active Directory, DNS, DHCP, Group Policy, and identity services
Project Delivery
- Lead infrastructure projects end-to-end
- Deliver server upgrades, application upgrades, and infrastructure modernisation initiatives
- Own planning, execution, documentation, and handover
Cloud & Backup
- Support cloud-based backup and disaster recovery platforms
- Manage enterprise backup systems and recovery testing
Security & Compliance
- Support security, audit, and compliance requirements
- Maintain strong documentation, change control, and ITIL-aligned processes
Technical Environment
- Windows Server 2019 / 2022
- VMware
- Enterprise server & storage platforms
- Active Directory / GPO / DNS / DHCP
- Microsoft 365 / Azure AD
- Exchange / RDS
- Networking: LAN / WAN / VPN / Firewalls / TCP/IP
- Cloud backup & disaster recovery
- Enterprise backup solutions
Ideal Candidate Profile
Must-Have:
- Strong experience in Windows Server, VMware, and enterprise infrastructure
- Proven project ownership and delivery experience
- Comfortable acting as senior escalation point
- Background in corporate / enterprise IT environments
- Excellent troubleshooting and communication skills
Nice-to-Have:
- Cloud backup / disaster recovery exposure
- Security, audit, or compliance experience
Why Apply?
- Senior technical ownership role
- Strong exposure to infrastructure projects & upgrades
- Supportive, collaborative IT team
- Stable financial services environment
- Clear responsibility, autonomy & progression
