Cybersecurity Engineer — Critical Infrastructure Defender

Exo Arnvind; Ireland; On-site; EUR 60,000 - 90,000; Full time

Job summary

EXO ARNVIND is partnering with a leading technology and cybersecurity services provider in Ireland to identify their next Cybersecurity Engineer. This hands‑on, high‑impact role focuses on protecting critical infrastructure, securing data, and ensuring resilience across healthcare, finance, manufacturing, utilities, and government.

You will lead security projects, perform vulnerability assessments and forensic investigations, and advise on advanced technologies, including AI, to strengthen

Qualifications

• Bachelor’s degree or equivalent professional experience.
• At least 3 years of hands-on cybersecurity experience.
• Proficiency with Microsoft Defender Suite, Purview, MAM, and Sentinel.
• Experience with SIEM, EDR, Active Directory, and Entra.
• Strong analytical and problem-solving skills.
• Excellent verbal and written communication.

Responsibilities

• Design, implement, and optimise security measures across systems, networks, and apps.
• Develop and maintain documentation including evaluations and incident reports.
• Perform vulnerability scans and penetration tests with standard tools.
• Lead forensic investigations and incident response to minimise impact.
• Advise clients and internal teams on integrating advanced security tech, incl. AI.
• Collaborate with cross-functional teams to promote security best practices.
• Build strong relationships with clients and colleagues to align security objectives.
• Champion the organisation’s cybersecurity vision and resilience initiatives.

Skills

Analytical thinking

Communication skills

Cybersecurity experience

Education

Bachelor's degree or equivalent

Tools

SIEM

EDR

Active Directory

Entra

Microsoft Defender Suite

Purview

Mobile Application Management

Microsoft Information Protection

Sentinel

Job description

EXO ARNVIND is partnering with a leading technology and cybersecurity services provider in Ireland to identify their next Cybersecurity Engineer. This hands‑on, high‑impact role focuses on protecting critical infrastructure, securing data, and ensuring resilience across healthcare, finance, manufacturing, utilities, and government.

You will lead security projects, perform vulnerability assessments and forensic investigations, and advise on advanced technologies, including AI, to strengthen