Cyber Defence Engineer

Security Operations Engineer

Location: Dublin
Employment Type: Full-Time
Salary: €70,000 – €85,000

A leading financial services organisation is expanding its security engineering team to strengthen its internal IT and operational security posture. The role focuses on hands-on detection, response, and mitigation of threats across internal systems, endpoints, and network environments.

• Monitor and respond to security alerts from endpoint, network, and server security tools.

• Perform vulnerability assessments, penetration testing, and configuration reviews on internal systems.

• Assist in the design, deployment, and tuning of security controls across firewalls, EDR, SIEM, and network devices.

• Investigate security incidents, conduct root cause analysis, and recommend remediation.

• Collaborate with IT, infrastructure, and application teams to secure internal systems and maintain secure configurations.

• Maintain technical documentation, including repeatable processes and incident response playbooks.

• Research emerging threats, attack techniques, and security tools relevant to the finance sector.

Who You Are

• 3+ years experience in hands-on security engineering, SOC, or network security operations.

• Strong understanding of Windows, Linux, and network security fundamentals.

• Experience with endpoint security tools, SIEM platforms, and intrusion detection/prevention systems.

• Knowledge of common attack vectors, vulnerability management, and remediation practices.

• Scripting experience in Python, Bash, or PowerShell.

• Strong analytical skills and attention to detail; curiosity for tracking down threats and misconfigurations.

Preferred

• Security certifications such as Security+, eJPT, CEH, or OSCP.

• Experience in financial services or highly regulated environments.

• Familiarity with Active Directory, LDAP, and identity-based security controls.

• Understanding of network segmentation, firewalls, and advanced logging/monitoring strategies.

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