Senior M365 Cloud Security Engineer

Spektrum; Brindisi; On-site; EUR 90,000 - 120,000; Full time

Job summary

Spektrum seeks a Cloud / M365 Security Engineer to deliver highly specialized ICT security services for critical NATO/EU client environments. You will manage the Microsoft 365 tenant, Entra ID identities, Defender XDR, and SIEM capabilities, ensuring robust security postures across cloud and hybrid landscapes.

You will perform incident response, threat hunting with KQL, and develop remediation guidance, while aligning with governance and DR practices.

Qualifications

• 7–10 years of ICT security experience, with cloud security ops for Microsoft 365 / Azure.
• Proven expertise in security monitoring, incident response, and digital forensics.
• Certifications such as CISSP/CISM/SC-200 or equivalent preferred.
• Fluent in English; willing to work on-site in Valencia, Spain or Brindisi, Italy.

Responsibilities

• Monitor security reports and alerts from ICT systems across the tenant.
• Respond to Microsoft 365 security incidents, compromised accounts, and phishing threats.
• Lead threat-hunting activities using M365 tools and other security technologies.
• Prepare and issue security advisories, risk analyses, and remediation guidance.

Skills

Microsoft 365 security

Azure AD / Entra ID

Defender XDR

SIEM/SOAR (Microsoft Sentinel)

Incident response

Threat hunting (KQL)

Tools

Microsoft Defender XDR

Microsoft Entra ID

Microsoft Sentinel

KQL (Kusto)

Job description

Spektrum seeks a Cloud / M365 Security Engineer to deliver highly specialized ICT security services for critical NATO/EU client environments. You will manage the Microsoft 365 tenant, Entra ID identities, Defender XDR, and SIEM capabilities, ensuring robust security postures across cloud and hybrid landscapes.

You will perform incident response, threat hunting with KQL, and develop remediation guidance, while aligning with governance and DR practices.