-
GCS

IT Security Operations Engineer

GCS
Ireland · Full-time · Mid-Senior

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

cloud itil firewalls siem vpns incident response network security cloud security python cissp gdpr cism ceh dns
Login to Apply
Posted
Mar 20, 2026
Type
Full-time
Level
Mid-Senior
Location
Dublin
Company
GCS

Industries

IT System Operations Maintenance

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
BNL BNP Paribas
Related

IT Ops Cloud Engineer

2026-05-14

Full-time
Associate
Italy
Banking
Information Technology
View Job Details
Le Meas Executive Search
Related

Information Security Officer

2026-05-14

Full-time
Associate
Ireland
Financial Services
Project Management
View Job Details
Service Driven Professionals
Related

Senior Backend Engineer .NET & Azure Cloud

2026-05-25

Full-time
Mid-Senior
Netherlands
Technology
Engineering