Lead Security Engineer (SIEM)

Staples India Business Innovation Hub Private Limited

Full-time Other-General
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Location
chennai, tamil nadu, India
Posted
July 02, 2026

Job Description

Duties & Responsibilities

  • Architect and optimize SIEM platforms (e.g., Microsoft Sentinel, Splunk), including ingestion pipelines, parsing/normalization, enrichment, and correlation logic. 
  • Engineer and operate Cribl Stream and Cribl Edge for log routing, filtering, transformation, enrichment, data reduction, and destination fanout (SIEM, data lake, cold storage). 
  • Design and maintain telemetry onboarding with schema mapping, collectors/agents, connectors, API integrations, replay, and edge collection for diverse sources (endpoint, network, cloud, identity, app). 
  • Develop advanced detections and analytics (rules, queries, correlations) aligned to MITRE ATT&CK, emerging TTPs, and threat intelligence; measure detection efficacy and coverage. 
  • Lead systematic alert tuning to reduce false positives and improve signaltonoise, leveraging Cribl pipelines and SIEM analytics to standardize high...