SIEM Architect

Required Technical Skill Set

Microsoft Sentinel SIEM Architect with strong expertise in Azure security technologies.

Desired Experience Range

10-15 YRS

Location of Requirement

Chennai

Desired Competencies (Technical/Behavioral Competency)

Must-Have

We are seeking an experienced Microsoft Sentinel SIEM Architect with strong expertise in Azure security technologies, AI-driven security (Azure OpenAI), and Microsoft Security Copilot. The ideal candidate will design, implement, and optimize modern cloud-native SIEM/SOAR solutions, while leveraging AI and automation to enhance threat detection, response, and SOC efficiency.

Positive-to-Have
- Use Azure OpenAI for threat analysis, summarization, KQL/playbook generation
- Leverage Security Copilot for investigation and response
- Build AI workflows using prompt engineering & automation

Responsibility of / Expectations from the Role

1

Design and implement end-to-end Sentinel architectures. Define ingestion, normalization (ASIM), and retention strategies. Architect multi-region & multi-tenant solutions.

2





Develop HLD & LLD documentation, Integrate Azure, M365, Defender, on-prem (Syslog/CEF), AWS, GCP.

3

Configure AMA, Event Hub, APIs, Logic Apps, Implement log filtering, transformation, enrichment.

4

Develop HLD & LLD documentation, Integrate Azure, M365, Defender, on-prem (Syslog/CEF), AWS, GCP

5

Custom Connector , Application log Source onboarding, Develop KQL-based analytics rules, Implement Fusion (ML) and NRT detections, Map to MITRE ATT&CK;, Tune alerts and reduce false positives.

6

Build Logic Apps playbooks, Automate triage, containment (IP/user actions), ticketing integration, Define automation lifecycle rules.

7

Design L1/L2/L3 SOC workflows, Define severity, escalation, classification, Support threat hunting & incident response.

8

Implement RBAC, PIM, Ensure ISO 27001, NIST, CIS compliance, Align logging with regulatory requirements.

9

Optimize ingestion filtering, Manage rete

📌 SIEM Architect (India)
🏢 Tata Consultancy Services
📍 India