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Parker Stewart

Information Technology Security & Networks Administrator

Parker Stewart
Ireland · Full-time · Mid-Senior

IT Security & Networks Administrator *** Hybrid working *** Excellent Salary + Benefits


We are working very closely with a client of ours that provides asset and liability management services. They manage a complex portfolio of public assets and liabilities.

They are looking for a IT Security & Networks Administrator to come on board and join the team. This role will be based in Dublin and is offering a hybrid working model.


The ICT Security & Networks Administrator will assist in the configuration and management of networking and data communications infrastructure on premise and in a hybrid cloud environment. The role will also work with in a team assisting in the management of ICT Security technologies with a strong focus on network management, response to security system alerts and suspicious network activity.


Principal Accountabilities

The ICT Security & Networks Administrator will participate in managing and maintaining a secure network infrastructure and communication systems across the business with a strong emphasis on availability, security practices and monitoring tools.


Duties will include, but not limited to, assisting with the following tasks:

  • Administration and support of network security control tools including firewalls, network access management and other network security elements
  • Assist in evaluating security of new products and services (on premise and cloud services)
  • Troubleshoot and analyse network security on various technologies
  • Monitor security system logs and reports for anomalies and problems
  • Support network security and system auditing and vulnerability assessments activities
  • Participate in remediation and mitigation of detected vulnerabilities


Required Qualifications

  • Bachelor Degree in Computing, Engineering or equivalent qualification or experience
  • Certification/Qualifications in industry recognised Network and Security disciplines


The following would be a distinct advantage:

  • Cisco CCNA/CCNP, Fortinet Certifications, Checkpoint CCSA, Palo Alto
  • Microsoft Network, Security, or Cloud certifications


Experience

  • Minimum of 5 years’ experience working in a network security administration role for a medium size organisation
  • Solid knowledge and understanding of LAN, WAN, DMZ, VPN and DNS network technologies and protocols
  • Solid experience supporting network security management solutions
  • Solid knowledge and understanding of Public Key Infrastructure (PKI)
  • Working experience with security technologies such as Fortinet and Checkpoint
  • Working experience with web and email content filters, Intrusion Prevention Systems (IPS)
  • Solid understanding of cloud networking and security concepts
  • Experience with cloud-based security solutions and best practice
  • Familiarity with security frameworks such as NIST, ISO 27001, and CIS
  • Experience working with ticketing tools for Incident, Change & Problem Management



For more information please reach out to Christine McCarthy at Parker Stewart on 01 6933 477

Key Skills

Ranked by relevance

network security cloud fortinet security practices firewalls nist vpn wan lan dns
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Posted
Nov 06, 2025
Type
Full-time
Level
Mid-Senior
Location
Dublin

Industries

IT Services IT Consulting Computer Network Security

Categories

Information Technology

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