Hybrid Lead Cyber Security Engineer – Security Architecture

Mater Private Network; Dublin; Hybrid; EUR 90,000 - 140,000; Full time

Job summary

Mater Private Network in Dublin City Centre is seeking an experienced Lead Cyber Security Engineer to join a dedicated security team. The role is hybrid, with minimum three days onsite, reporting to the Group CISO and leading security engineering initiatives to improve the organisation's security posture.

You will own security controls, work with the MSSP/SOC, design secure architectures for AD, M365, Azure, and cloud environments, and mentor other engineers while coordinating with IT operations.

Qualifications

• 8+ years of hands-on IT experience with at least 4 years in IT security roles.
• Strong background in infrastructure or system administration (Windows, networks, or cloud) with progression into security engineering.
• Strong technical knowledge of Microsoft AD, Group Policy, M365, Azure AD.

Responsibilities

• Lead the delivery of security engineering projects end-to-end (design, implementation, handover to operations).
• Develop and maintain information security architecture in collaboration with the CISO and IT teams.
• Lead secure design and hardening of Microsoft AD, Group Policy, M365, Azure AD, and related services.
• Design, implement, and maintain secure applications and network architectures with segmentation and zero-trust principles.
• Improve IAM, PAM, endpoint protection, email security, and cloud security posture (Azure).
• Review security architecture and controls for projects and services, providing guidance and risk-based recommendations.
• Ensure findings from security testing and audits are prioritized, tracked and remediated.
• Act as escalation point for MSSP/SOC and other security providers; tune detections and logging across on-prem and cloud.

Skills

Security engineering

Security architecture

Autonomy

Communication skills

Windows administration

Networking basics

Scripting (PowerShell/Python)

Tools

Microsoft AD

Group Policy

M365

Azure AD

Job description

Mater Private Network in Dublin City Centre is seeking an experienced Lead Cyber Security Engineer to join a dedicated security team. The role is hybrid, with minimum three days onsite, reporting to the Group CISO and leading security engineering initiatives to improve the organisation's security posture.

You will own security controls, work with the MSSP/SOC, design secure architectures for AD, M365, Azure, and cloud environments, and mentor other engineers while coordinating with IT operations.