I'm looking for an IT Security Operations Engineer to support security monitoring, incident response, vulnerability management, and Microsoft 365 security across a hybrid cloud/on‑prem environment. This is a hands‑on operational role working closely with IT, cloud, and network teams to maintain a secure and compliant environment.
Key Responsibilities
- Monitor and investigate security alerts across SIEM, EDR/XDR, and Microsoft security platforms.
- Respond to incidents, perform root‑cause analysis, and implement remediation.
- Track CVEs and coordinate vulnerability remediation across endpoints, servers, and cloud services.
- Manage and optimise Microsoft 365 security (Defender suite, Conditional Access, MFA, Entra ID).
- Improve Secure Score, compliance dashboards, and overall cloud security posture.
- Support identity and access governance activities.
- Contribute to hardening, patching, and baseline enforcement.
- Support ISO27001, GDPR, and internal compliance initiatives.
- Provide audit evidence and maintain security documentation, SOPs, and runbooks.
- Work within ITIL processes including Incident, Problem, Change, and Request Management.
- Assist network teams in securing firewalls, VPNs, proxies, and reviewing security configurations.
Required Experience
- 5+ years in security operations or cyber engineering.
- Strong hands‑on experience with SIEM, EDR/XDR, vulnerability management, and Microsoft 365 security.
- Solid understanding of network security (firewalls, VPNs, IDS/IPS, DNS, TCP/IP).
- PowerShell or Python scripting experience.
- Knowledge of ITIL processes.
- Degree in IT, Computer Science, or similar (or equivalent experience).
Preferred
- Certifications such as CISSP, CISM, CEH, SC‑200/300/400, AZ‑500, MS‑102, ITIL Foundation.
- Experience in regulated or security-mature environments.
- Exposure to cloud-first and identity-driven security models.
Key Skills
Ranked by relevance
Related Jobs
3 roles aligned with this opportunity
IT Ops Cloud Engineer
2026-05-14
Information Security Officer
2026-05-14
Senior Backend Engineer .NET & Azure Cloud
2026-05-25
- Posted
- Mar 20, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Dublin
- Company
- GCS
Industries
Categories
Related Jobs
3 roles aligned with this opportunity
IT Ops Cloud Engineer
2026-05-14
Information Security Officer
2026-05-14
Senior Backend Engineer .NET & Azure Cloud
2026-05-25