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Network Security Engineer

Job Overview

Network Security Engineer

Contract Type:

Full Time

Salary:

€75,000.00 - €90,000.00 per annum

Location:

Dublin - Dublin

Contact Name:

John Bergin

Industry:

Information Technology

Date Published:

07-Oct-2025

Network Security Engineer - Dublin

I am excited to be working with one of Europe’s leading companies who are looking to fill a number of critical Network Security Engineers to work from their state of the art Dublin offices.

Key Responsibilities:

  • Manage and secure Cisco Routers, Switches, Networking Devices, and Security Appliances.
  • Configure, support, and troubleshoot Firewalls, VPNs, and IDS/IPS solutions across complex networking environments.
  • Design and implement secure network architectures using Cisco Secure Access, Edge Network Security, Threat Control, and Secure Mobility solutions.
  • Deploy and manage Cisco Identity Services Engine (ISE) and implement 802.1X secure network access policies.
  • Monitor and maintain network access security using Cisco ISE appliances.
  • Implement advanced Cisco security solutions to mitigate external threats and protect connected devices.
  • Provide operational support for identity management and network access control systems.
  • Identify and resolve issues within Cisco network security appliances and Cisco IOS Software devices.
  • Configure Cisco perimeter edge security solutions, including Cisco ASA firewalls.
  • Manage and maintain the security of Cisco switches, routers, and ASA firewalls.
  • Implement and troubleshoot remote-access and site-to-site VPN solutions using Cisco ASA and Cisco IOS routers.
  • Deploy Cisco ASA Next-Generation Firewall (NGFW), Web Security, Email Security, and Cloud Web Security solutions.
  • Troubleshoot Network Access Control, Web Authentication, and Guest Access configurations.
  • Apply strong understanding of Cisco ISE Fundamentals, Advanced Access Control, and Endpoint Access Control.

Skills & Experience:

  • Proven experience in Network Security, particularly within Cisco Network environments.
  • Hands-on experience with Cisco Umbrella, Stealthwatch, WSA, ESA, AMP for Network and Endpoint, ASA, NGFW, Firepower NGIPS, Cloudlock CASB, AnyConnect, ACI Security, Threat Control, TrustSec, and DNA.
  • Additional experience with any of the following is an advantage: Cisco Data Center Nexus, Cloud Security, Cisco ASA/PIX, Cisco Secure ACS, Cisco ACI, Cisco IronPort, Checkpoint FW-1/NG, Juniper Netscreen/SRX, Bluecoat, and Fortinet security hardware/software products.
  • Strong ability to manage multiple priorities in a fast-paced, dynamic, and collaborative environment.
  • Excellent analytical, communication, and documentation skills, with the ability to influence and collaborate across cross-functional teams.
  • Full driving license and access to own vehicle(required).

This is a phenomenal time to join my client as they expand their Network team. Get in touch ASAP and do not miss this amazing opportunity!

APPLY NOW

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