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(IT Security Administrator, Network Security Administrator, System Security Administrator, ICT Security Administrator)
IT & Data
Salary
€38,000 - €80,000/yr
Level
Professional
Outlook
Growing
Sector
IT & Data
As a Cybersecurity Administrator, you plan and implement security measures to protect an organisation's information systems, networks and data from unauthorised access, cyberattacks and data breaches. Day to day, you monitor security alerts, manage firewalls and intrusion detection systems, carry out vulnerability assessments and respond to security incidents when they arise. You ensure that systems comply with relevant data protection regulations, including GDPR, and maintain up-to-date documentation of security policies and procedures. You collaborate closely with IT teams, management and sometimes external auditors or regulators to keep the organisation's digital infrastructure secure.
Listen: a day as a Cybersecurity Administrator
You arrive at your desk in a mid-sized Dublin financial services firm at 8:30 on a Tuesday morning. Before you even pour your coffee, you pull up the security information and event management platform — SIEM for short — which collects and analyses log data from every device on the company network. Overnight, it has flagged 47 alerts. Most are routine noise: failed login attempts from employees who mistyped their passwords. You triage them methodically, marking the low-risk ones as resolved and flagging two that need a closer look. By 9:30 you are investigating one of those flagged alerts. An unusual volume of outbound traffic left a finance department laptop at 2:14 in the morning. You pull the full network logs, cross-reference the IP addresses against known threat intelligence feeds and confirm it was a scheduled backup process misfiring rather than a breach. You document your findings clearly in the ticketing system — Jira in your case — and email the IT manager a one-paragraph summary.
A Level 8 Honours Bachelor degree in Computing, Cybersecurity, Information Technology or a closely related discipline is the most common entry route, available through universities such as DCU, UCD, UL and technological universities such as TU Dublin, MTU and ATU. Useful Leaving Certificate subjects include Mathematics, Computer Science, Physics and Applied Mathematics, though a strong overall points performance is the key requirement for CAO entry. A Level 7 Ordinary Bachelor degree in Computing or Networking can also provide entry, with progression to Level 8 possible through add-on programmes. Industry certifications such as CompTIA Security+, Certified Ethical Hacker (CEH) or Cisco's CCNA Security are highly valued by Irish employers and are often pursued alongside or after a degree. PLC courses at QQI Level 5 or 6 in IT or Networking can provide a stepping stone into further study, though most professional roles require at least a degree-level qualification.
Most Cybersecurity Administrators begin their careers in junior IT support or network administration roles before moving into dedicated security positions as they gain experience and certifications. With a few years of experience, you can progress to roles such as Senior Security Analyst, Security Engineer or Security Operations Centre (SOC) Team Lead. Further advancement can lead to positions such as Information Security Manager or Chief Information Security Officer (CISO), typically supported by a Level 9 postgraduate qualification or recognised professional credentials such as CISSP or CISM. The broad demand across financial services, healthcare, government and multinational sectors in Ireland means that experienced professionals have significant scope to specialise or move between industries.
Artificial intelligence tools are increasingly used in cybersecurity to automate threat detection, analyse large volumes of security data and identify anomalies far faster than manual review allows. This means that routine monitoring tasks are becoming more automated, freeing Cybersecurity Administrators to focus on complex incident investigation, strategic planning and human-centred risk management. However, AI also introduces new threats, as cybercriminals exploit AI tools to craft more sophisticated attacks, requiring administrators to continuously update their knowledge and defences. Overall, AI is augmenting rather than replacing this role, and professionals who understand AI-driven security tools will be at a considerable advantage.
→ Cybersecurity Administrator (Current role)
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Organisations in Ireland that employ people in this occupation.
Dublin
Protect national infrastructure and respond to major cyber incidents.
Dublin, Nationwide
Secure banking systems, networks and customer financial data.
Dublin
Administer security across cloud platforms and enterprise services.
Dublin
Deliver managed security services and incident response for clients.
Dublin, Nationwide
Protect sensitive patient data and healthcare IT infrastructure.
Dublin, Cork, Limerick
Conduct vulnerability assessments and GDPR compliance for clients.
Dublin, Nationwide
Manage firewalls, intrusion detection and financial data protection.
Athlone, Co. Westmeath
Secure telecommunications networks and critical infrastructure globally.
Dublin, Cork
Provide managed security services and GDPR compliance to Irish businesses.
Dublin, Nationwide
Administer cyber defences protecting national security systems.
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