Network & Security Engineer

Intellect; Enniscorthy; On-site; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Free financial advice service

Life assurance and wellness programme

Sponsored training and professionalDev

Team-building events

Volunteer days

HP certifications exposure

Customer project exposure

Job summary

Intellect is seeking an experienced Network & Security Engineer to support and troubleshoot customer network and security environments in an operational role. You will work on practical Tier‑1/2 network issues, installation and configuration tasks, and collaborate with technical teams to resolve incidents efficiently.

The role emphasizes hands‑on networking, documentation, and customer communication in a busy service environment, with standard business hours in Enniscorthy, Ireland.

Qualifications

• 3–5 years’ relevant experience in IT support or network engineering.

Responsibilities

• Troubleshoot LAN, switching, VLAN, routing, DHCP, DNS and network performance issues.
• Configure and support wired and wireless network infrastructure.
• Administer and troubleshoot firewall and VPN environments.
• Manage customer support tickets and approved network changes.
• Support network installations, upgrades and refresh projects.
• Work collaboratively with technical teams and provide clear diagnostics when escalating issues.

Skills

TCP/IP

Ethernet

Switching

VLANs

STP

Firewalls

VPN

Documentation

Incident management

Customer service

Tools

Cisco

HPE/Aruba

Sophos Firewall

Job description

Network & Security Engineer

Location: Reporting to Quarrypark, Enniscorthy

Hours: Monday to Friday, full-time, 09:00–17:30. These are normal business hours but may be subject to change when providing helpdesk support or working on customer sites.

Experience: 3–5 years

Focus: Network & Security Operations

About the Organisation

Established in Ireland in 1982, our client has grown from its early beginnings in Irish business technology into one of the country’s leading IT providers, with a nationwide presence.

They support organisations across the public and private sectors, from ambitious SMEs to large enterprises, delivering technology solutions and services tailored to their customers’ needs.

With a focus on understanding challenges, applying the right expertise and delivering dependable outcomes, they have built a strong reputation through long-standing technology partnerships and recognised quality standards.

The Opportunity

We are seeking an experienced Network & Security Engineer to support and troubleshoot customer network and security environments. This is an operational engineering role requiring strong hands‑on networking experience and a structured approach to problem solving.

Mandatory Requirements

• 3–5 years’ relevant experience in IT support or network engineering.


• Full Irish Manual driving license is required.


• Strong practical knowledge of TCP/IP, Ethernet, switching, VLANs, trunking and Spanning Tree Protocol (STP).


• Hands‑on experience installing and troubleshooting wired and wireless business networks.


• Practical experience administering firewalls, including security policies, rules, NAT and VPN connectivity.


• Proven ability to diagnose Layer 2 and Layer 3 network issues methodically.


• Experience working directly with customers and explaining technical issues clearly.


• Ability to manage incidents independently, prioritise competing issues and escalate appropriately when required.


• Strong attention to detail and ability to maintain accurate technical documentation and ticket records.


• Comfortable working in a busy operational/support environment and taking ownership of issues through to resolution.

Key Responsibilities

• Troubleshoot LAN, switching, VLAN, routing, DHCP, DNS and network performance issues.


• Configure and support wired and wireless network infrastructure.


• Administer and troubleshoot firewall and VPN environments.


• Manage customer support tickets and approved network changes.


• Support network installations, upgrades and refresh projects.


• Work collaboratively with technical teams and provide clear diagnostics when escalating issues.

Desirable: Experience with Cisco, HPE/Aruba and Sophos Firewall technologies, plus relevant networking/security certifications such as CCNA or equivalent practical experience.

Please note: This opportunity is open to professionals who are fully authorised to work full-time in Ireland.

Benefits & Opportunities

• Free financial advice service


• Life assurance and comprehensive wellness programme


• Sponsored training and ongoing professional development


• Regular team‑building events and company initiatives


• Flexible lifestyle days and 3 paid volunteer days per year


• Opportunity to work across print, personal computing and technical services


• Exposure to customer projects, hardware deployments and field service activities


• Opportunities to achieve and maintain relevant HP Print and Personal Computing certifications


• Experience working alongside experienced technical and specialist engineering teams


• Opportunities for customer‑site project work and professional development


• A varied role within a fast‑paced, customer‑focused technical environment


• Supportive team environment with opportunities to broaden your technical skills