Senior Detection & Response Engineer

Job description

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Requisition ID:

Job Description:

Location: United States
Team: Threat Detection & Incident Response (TDIR)

Role Overview

Activision is seeking a Senior Detection and Response Engineer to help protect our players, studios, platforms, and enterprise environments from advanced cyber threats. As part of our Global Security Operations organization, this role is responsible for actively identifying, investigating, and responding to security threats. This role is highly hands-on and focuses on real-world attacker behavior, rapid analysis, and effective containment.

Responsibilities

• Detect, investigate, and respond to security incidents across cloud, corporate, and production environments as a hands‑on member of the TDIR team.

• Monitor and analyze security telemetry and audit logs to identify anomalous activity, unauthorized access, and emerging threats, including targeted attacks and advanced adversaries.

• Perform alert triage, in‑depth investigation, and forensic analysis across the full incident lifecycle, from identification through containment, remediation, and post‑incident review.

• Execute endpoint, identity, cloud, and malware investigations, including timeline reconstruction, indicator extraction, and root cause analysis.

• Develop, refine, and tune threat detections within the SIEM based on real‑world attacker behavior and investigation findings.

• Enhance investigation and response efficiency through automation, SOAR workflows, scripting, and advanced analytics.

• Contribute to TDIR procedures, playbooks, runbooks, documentation, and operational metrics.

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