CMS-Senior-Cloud Engineer

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

CMS- Cloud Security Posture Management Senior Responsibilities:

• Monitor Defender for Cloud alert queues and posture dashboards for high-severity signals across Azure and AWS-connected environments.
• Perform initial validation (false positive screening), basic enrichment (resource identifiers, subscription/account, region, environment tags), and severity assignment.
• Triage high-impact recommendations and secure-score changes; create remediation tickets mapped to client ownership (platform/IAM/app teams).
• Escalate confirmed incidents to L2 with a complete evidence bundle (alert metadata, impacted resources, timeline, user/service principal context).
• Maintain documentation: ticket updates, SOP/runbook adherence, and shift handover notes.

Required: Hands-on experience triaging alerts in Microsoft security tools (Defender portal/Azure portal) and working in ticketing systems (ServiceNow/Jira).

• Core cloud fundamentals:
• Azure subscriptions/resource groups, RBAC concepts
• AWS accounts/regions, basic IAM concepts
• Understanding of CNAPP concepts: posture misconfiguration vs workload threat detection

Preferred Requirements:

• Minimum 3+ years of Cloud technology, specifically in Security engineering, or Security Monitoring roles
• Familiarity with AWS onboarding patterns into Defender for Cloud (high level), including connected environments.
• Basic familiarity with compliance frameworks (CIS/NIST/ISO) and translating findings into actionable tickets.
• Microsoft SC-200, AZ-500; AWS Security Specialty (or equivalent fundamentals).

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