Job Description:
Description:
The Security Engineering & Operations Supervisory Department at Rakuten Mobile is seeking a Senior DFIR Lead to join a growing cyber defense organization. The candidate will serve as a lead responder for complex security incidents, performing deep-dive forensic investigations, root cause analysis, and containment activities. This role is ideal for a seasoned investigator who thrives under pressure, possesses a forensic mindset, and can turn incident findings into strategic improvements that harden our environment against future threats.
Responsibilities:
Lead and execute end-to-end incident response investigations, from initial triage and scoping to containment, eradication, and recovery.
Perform deep-dive forensic analysis of endpoints, network traffic, and cloud environments to reconstruct intrusion chains and identify the scope of compromise.
Conduct advanced malware analysis (static and agile) to understand adversary capabilities, persistence mechanisms, and command-and-control (C2) infrastructure.




Develop and maintain incident response playbooks and standard operating procedures (SOPs) for various threat scenarios, ensuring alignment with industry best practices.
Collaborate with the Threat Hunting and Detection Engineering teams to provide "lessons learned" from investigations, ensuring that incident findings are converted into permanent detection logic.
Partner with Legal, Privacy, and IT stakeholders during high-stakes incidents to ensure proper evidence handling, chain-of-custody, and regulatory compliance.
Utilize advanced forensic tools (e.g., EnCase, FTK, Magnet AXIOM, Volatility) and SIEM/EDR platforms to conduct investigations and validate findings.
Automate forensic collection and analysis processes using scripting languages (e.g., Python, PowerShell) to reduce time-to-respond during critical incidents.
Provide mentorship to junior analysts, conducting peer reviews of forensic reports and overseeing the technical qualit

📌 Staff Engineer, Digital Forensics (Bengaluru)
🏢 Rakuten Symphony
📍 Bengaluru