Cyber Defence Engineer

Reperio Human Capital Ltd; Dublin; Hybrid; EUR 70,000 - 85,000; Full time

Job summary

A leading financial services organization in Dublin is seeking a Security Operations Engineer with over 3 years of experience in security engineering. The role involves monitoring security alerts, performing vulnerability assessments, and collaborating with IT to enhance internal security. Ideal candidates will have a strong grasp of Windows, Linux, and security fundamentals. This position offers a salary range of €70,000 - €85,000 and provides the opportunity to work from home.

Benefits

Work From Home

Qualifications

• 3+ years experience in security engineering or SOC.
• Strong understanding of Windows, Linux, and network security.
• Experience with endpoint security tools and vulnerability management.

Responsibilities

• Monitor and respond to security alerts.
• Perform vulnerability assessments and penetration testing.
• Investigate security incidents and conduct root cause analysis.

Skills

Detection

Response

Security

Forensics

Defence

Threat-hunting

Tools

SIEM

EDR

Intrusion detection/prevention systems

Python

Bash

PowerShell

Job description

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.

Responsibilities

• 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.

Reperio Human Capital acts as an Employment Agency and an Employment Business.

Skills

• Detection
• Response
• Security
• Forensics
• Defence
• Threat‑hunting

Benefits

• Work From Home