E

Ernst & Young

Global professional services: consulting, assurance, tax

Manager CSIRT F/H - Paris

Security Operations & Incident ResponseUpdated on Nov 14
Full-timeParis, FranceIn-person

About the Job

Requirements

  • At least 6 years of experience in incident response and digital forensics, including direct responsibility for major incidents, coordination of multiple stakeholders, and interaction with decision-makers.
  • Significant experience delivering services under the PRIS framework, acquired at a qualified provider or as a key member of missions conducted under that framework.
  • Experience in team management and presales, including supervising a team, managing multiple engagements, qualifying opportunities, estimating and pricing work, writing and presenting proposals, and developing client relationships.
  • Professional fluency in written and spoken English.
  • Higher education in computer science, cybersecurity, or an equivalent field.
  • Operational proficiency in incident response activities, including searching for indicators of compromise, digital forensics, malware analysis, investigation coordination, and cyber crisis management.
  • Strong practical experience with system and network forensics, log and timeline analysis, and Windows, Linux, Microsoft/Active Directory, and cloud environments.
  • Proficiency with EDR/XDR, SIEM, and DFIR tools, including structuring evidence acquisition, analysis, and preservation in auditable conditions.
  • Understanding of adversary tactics and techniques, MITRE ATT&CK, cyber threat intelligence, threat hunting, and related detection mechanisms.
  • Knowledge of regulatory requirements and critical environments.

Responsibilities

  • Develop the CSIRT business and client portfolio by defining its roadmap, structuring services, qualifying opportunities, and contributing to commercial proposals, presentations, partnerships, and performance indicators.
  • Design and industrialize preparation, retainer, incident response, digital investigation, compromise assessment, crisis management, and remediation support services.
  • Lead complex investigations, including scoping, evidence preservation and collection, analysis, containment, eradication, remediation, and lessons learned.
  • Lead crisis situations in multi-provider, international, regulated, or high-exposure contexts, and advise decision-makers based on reliable findings.
  • Ensure engagement quality and security, including traceability, chain of custody, confidentiality, data protection, and compliance with contractual and regulatory commitments.
  • Build and grow the team by recruiting, supervising, and developing consultants and specialists in incident response, forensics, malware analysis, cyber threat intelligence, and crisis management.
  • Develop internal synergies with cyber threat intelligence, SOC/MDR, offensive security and exposure, cloud, data and AI, legal, risk, and business continuity teams, while contributing to the pipeline, margin, and client satisfaction.

Desired Qualifications

  • Knowledge of DORA, NIS2, ISO 27001, and ISO 22301.
  • Incident response or forensics certifications such as GCIH, GCFA, GNFA, GCFE, GREM, EnCE, or CHFI, or equivalent.
  • CISSP or CISM certification.

About the Company

Ernst & Young

Global professional services: consulting, assurance, tax

EY (Ernst & Young) provides professional services at a global scale, offering consulting, assurance, tax, and transaction advisory services. It serves clients across industries such as technology, media, real estate, hospitality, and construction. Instead of selling a single product, EY works with clients through tailored engagements where cross-disciplinary teams analyze challenges, design strategies, perform audits, help with tax planning, and assist with mergers or divestitures. What sets EY apart is its worldwide reach and integrated service model, industry-specific expertise, and focus on responsible business practices like sustainability, cybersecurity, and workforce flexibility. EY’s goal is to help organizations improve performance, manage risk, and achieve sustainable growth while building a better working world.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

Recently Posted Jobs

Explore more opportunities at Ernst & Young

See more jobs