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 energetic) 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

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