Senior Cybersecurity Engineer (Microsoft Defender) As part of our EY‑cyber security team, you will act as SME for Defender XDR security solutions in the CMS TDR team.

Overview We’re looking for Senior Consultant with expertise in Microsoft Defender. This is a fantastic opportunity to be part of a leading firm whilst being instrumental in the growth of a new service offering.

Key Responsibilities

Architecting and implementation of Defender XDR.

Perform as the subject matter expert on Microsoft Defender for the customer, use the capabilities of the solution in the daily operational work for the end customer.

Securing overall cloud environments by applying cybersecurity tools and best practices.

Advise customers on best practices and use cases on how to use this solution to achieve customer end state requirements.

Content development which includes developing process for automated security event monitoring and alerting along with corresponding event response plans for systems.

Skills & Attributes For Success

Hands‑on experience with Microsoft Defender and related technologies (e.g., Windows Defender, Microsoft Defender XDR, Defender for cloud, Defender for IoT).

Ability to work independently and collaboratively in a fast‑paced environment, with a strong commitment to customer service and teamwork.

Expertise in use case management in Defender XDR.





Create and maintain documentation related to Microsoft Defender configuration, policies, procedures, and incident response playbooks.

Expertise in Microsoft Intune for AV policy creation and deployment.

Knowledge in Cloud technologies such as Azure, AWS.

Strong technical knowledge in Windows Server/Linux.

Identify opportunities for performance optimization and efficiency improvements within Microsoft Defender solutions, and implement changes as needed.

Scripting knowledge (Python, Bash, PowerShell).

Extensive knowledge of different security threats.

Good knowledge and experience in Security Monitoring.

Good knowledge and experience in Cyber Incident Response.

Qualifications

B. Tech./ B.E. with sound technical skills.

Strong command on verbal and written English language.

Demonstrate both technical acumen and critical thinking abilities.

Strong interpersonal and presentation skills.

Certification in Azure (SC-200, SC-100, SC-900, AZ-500) (any other cloud vendor certification is a plus).

Benefits

Support, coaching and feedback from some of the most engaging colleagues around.

Opportunities to develop new skills and progress your career.

The freedom and flexibility to handle your role in a way that’s right for you.

📌 Cybersecurity Engineer (Microsoft Defender) - Senior - EY GDS Spain - Hybrid (Madrid)
🏢 Ey
📍 Madrid