Senior IT/OT Engineer (478)

Réalta Technologies (RT); Cork; On-site; EUR 75,000 - 110,000; Full time

Job summary

Réalta Technologies are seeking an IT/OT Engineer with 7+ years in IT/OT support, ideally with Pharma/Manufacturing/GMP exposure. The role covers design, deployment, and upkeep of mixed IT/OT infrastructure in Cork.

You will implement LAN/WAN, Cisco gear, Windows servers, Active Directory, Hyper‑V, and cybersecurity measures, collaborating with operations to ensure compliant, reliable systems in a regulated environment.

Qualifications

• 7+ years experience in IT/OT support environments.
• Pharma/Manufacturing/GMP exposure advantageous but not required.
• Strong networking and Windows server administration.
• Experience with virtualization and cybersecurity practices.

Responsibilities

• Design, deploy, and maintain LAN/WAN and wireless networks.
• Configure Cisco routers/switches and wireless APs for LAN/WiFi.
• Install and support servers, workstations, NAS, firewalls, and backups.
• Manage Windows OS deployments and Active Directory domain services.
• Build and manage Hyper-V virtualization environments.
• Provide end-to-end IT/OT support across network, hardware, OS, and apps.
• Implement IT/OT cybersecurity measures and firewall configurations.
• Develop system documentation and validation records.

Skills

General Networking

Cisco Networking

Windows Deployment

Active Directory

Hyper-V

IT/OT Security

Firewalls

Cabling: Copper & Fiber

System Documentation

IT Hardware Install

Tools

Cisco gear

Dell hardware

Hyper-V management tools

Palo Alto Firewall tools

Job description

Réalta Technologies are currently looking for an IT/OT Engineer with 7+ years' professional experience in an IT and/or OT support environment. Experience in the Pharmaceutical/Manufacturing/GMP environment would be advantageous but not essential.

Job Responsibilities

• Design, implement, and maintain LAN/WAN and wireless network infrastructure, including Ethernet and Wi-Fi systems, to ensure optimal performance and minimal downtime.
• Configure, deploy, and troubleshoot Cisco networking equipment, including routers, switches, and wireless access points, in both LAN and Wi-Fi environments.
• Install, configure, and support a wide range of IT hardware including servers, workstations, Ethernet switches, wireless access points, NAS devices, thin clients, firewalls, and backup systems.
• Deploy and manage Microsoft Windows operating systems (Windows 10/11, Server 2008-2022), ensuring compatibility within domain environments.
• Administer Active Directory services, including user and group management, GPOs, OU structures, and domain policies.
• Troubleshoot and resolve issues related to Windows operating systems, including performance bottlenecks, boot issues, and system errors across both servers and workstations.
• Build, deploy, and manage Hyper-V virtualization environments, including VM provisioning, storage configuration, and host-level maintenance.
• Install and support Dell hardware, including rack-mounted and tower servers, desktops, and workstations, ensuring all systems are updated and operational.
• Provide end-to-end support and troubleshooting for network, domain, hardware, operating systems, and application-related issues across a diverse IT environment.
• Implement and maintain IT and OT cybersecurity measures, ensuring compliance with organizational and regulatory standards.
• Configure and manage firewalls, specifically Palo Alto and Cisco models, including rule sets, NAT configurations, and VPN tunnels.
• Support the planning, installation, and maintenance of structured cabling systems, including copper and fiber optic solutions, ensuring proper documentation and labeling.
• Develop and maintain comprehensive system documentation, including User Requirement Specifications (URS), Design Specifications (DS), Detailed Design Specifications (DDS), and Validation/Verification records in compliance with industry standards.

Job Requirements

• 7+ years experience required in the following areas.
• General Networking (Ethernet LAN & Wifi networks)
• Cisco networking & hardware (LAN & Wifi) configuration, deployment, troubleshooting
• Installation, configuration & troubleshooting of various hardware (Servers, Workstations, Ethernet Switches, Wireless APs, NAS’, Thin clients, Firewalls, Backup systems, etc..)
• Windows operating systems deployments, environments and domains (Win10/11, w2k8, w2k12, w2k16, w2k19, w2k22)
• Active directory domain & policy mgmt
• Windows OS’ (server & workstation) troubleshooting
• HyperV virtualization environments (building, deploying, managing, troubleshooting)
• Dell server and workstation hardware installations, support & troubleshooting
• Network/OS/Domain/Hardware/application support & troubleshooting
• IT and/or OT Cyber Security
• PaloAlto and/or Cisco firewalls
• Ethernet Network cabling infrastructure (copper & fibre)
• Systems documentation (URS/DS/DDS/Validation/Verification/etc…)