Role: ICT Security & Networks Administrator
Reporting to: Head of ICT Security & Networks
Contract: Permanent
Location: Dublin 1, Hybrid
Overview
We are seeking an experienced Network & Security Administrator to join a growing ICT team responsible for maintaining secure, resilient, and high-performing network infrastructure across on-premises and cloud environments.
This role will support the administration, monitoring, and enhancement of network security technologies while helping to protect critical business systems and services.
Key Responsibilities
- Administer and support network security technologies including firewalls, network access controls, and related security platforms.
- Monitor security alerts, logs, and network activity, investigating anomalies and potential threats.
- Assist with vulnerability assessments, security audits, and remediation activities.
- Troubleshoot network and security-related issues across on-premise and cloud environments.
- Support the evaluation and implementation of new infrastructure and security solutions.
- Contribute to maintaining secure, highly available network services.
Requirements
- Degree in IT, Computing, Engineering, or equivalent experience.
- 5+ years' experience in network and security administration.
- Strong knowledge of LAN, WAN, VPN, DMZ, DNS, and network security principles.
- Experience supporting firewall and network security solutions.
- Understanding of PKI, vulnerability management, and security best practices.
- Experience with cloud networking and security concepts.
- Familiarity with security frameworks such as ISO 27001, NIST, or CIS.
Desirable Skills
- Experience with technologies such as Cisco, Fortinet, Check Point, Palo Alto, or Microsoft Azure.
- Exposure to SIEM, NDR, Identity & Access Management (IAM), or Privileged Access Management (PAM) solutions.
- Relevant networking or cybersecurity certifications (CCNA, CCNP, Fortinet, Check Point, Palo Alto, Microsoft, etc.).