Manager - Cyber Forensics - Big4

Role Overview:

Hiring for a Big 4 consulting firm in Mumbai. The primary focus of the role will be to lead cybercrime, cyber fraud, BEC, endpoint/cloud/email forensic investigations and technically complex incident reconstruction. Own evidence strategy, client-facing forensic conclusions and technical quality control.

Key Responsibilities:

- Own cyber forensic investigation planning for laptops, servers, cloud accounts, email systems and endpoints including evidence preservation and chain-of-custody discipline.

- Supervise and review endpoint, cloud, mailbox and system artefact analysis.

- Connect technical artefacts with fraud narrative, timeline, impact and root cause inputs.

- Coordinate with client IT, legal, incident response teams and, where relevant, law enforcement stakeholders.

- Create reusable playbooks for BEC, cloud compromise, data leakage kind of matters.

- Ensure AI-assisted triage is validated and not treated as independent evidence.

- Support scoping, effort estimation and client presentation of technical findings.

- Support AI model deployment and agentic AI tool design.

Qualifications and Skills:

- BE/B.Tech/MCA/MSc IT or equivalent technical qualification (CS/IT/Telecom).

- 7-10 years in DFIR, cybercrime investigation, IR, forensic lab, cyber cell or Big 4 consulting.

- Strong hands-on experience with Windows, Linux, endpoint, server and cloud artefacts.

- Strong Microsoft 365/Google Workspace investigation exposure.

- Ability to design evidence acquisition plans across all assets and data sources.

- Experience in BEC, account compromise, data theft, insider threat, payment diversion or ransomware cases.

- Tool exposure to Intella, Nuix, EnCase, X-Ways, FTK, Magnet, Velociraptor, KAPE, Autopsy, Splunk, Defender or Purview.

- Ability to write forensic reports and RCA inputs in regulator-safe language.

- Strong client communication, team review and pressure-handling skills.

- Strong exposure to AI copilots, scripts and automation for triage while preserving defensibility.

- Well versed with Sigma, YARA, KQL, Splunk SPL, Detection engineering tools and GCFA, GCFE, GCIH, EnCE, SC-200, AZ-500 or equivalent active/valid certifications preferred.

Role Expectations:

- Lead technical investigation strategy and evidence collection plan.

- Approve acquisition approach and validate evidence integrity.

- Review timelines, artefact interpretation and technical conclusions.

- Guide seniors on tool selection, documentation and limits of analysis.

- Identify evidence gaps and recommend further collection or ring-fencing steps.

- Translate technical findings into business, fraud and impact narratives.

- Maintain court and regulator defensibility across working papers and reports.

- Mentor team members on forensic methodology and quality review.

- Support field collection at client locations when required.

- Ensure AI outputs are corroborated, caveated and documented.

- Proficiency in Microsoft Copilot, ChatGPT, Claude, Gemini models.

- Comfortable with Prompt engineering, RAG concepts, AI validation techniques, AI hallucination controls.

- Knowledge of Multi-agent systems, MCP servers, AI governance, Knowledge graph investigations.

- Ability to create and use Investigation copilots, Investigation automation and Cross-case intelligence.

(ref:iimjobs.com)