Cyber Defense Incident Responder - Assistant Director

As a Senior Cyber Incident Response Coordinator at EY Technology, you drive global incident response. You’ll coordinate events, liaise with cross-functional teams, and guide incident processes to protect EY and client data. You’ll operate in a fast-paced, high-stakes environment, shaping response plans and post-incident improvements. This role blends technical leadership with diplomacy and clear communication, across a global security program.

• flexible environment
• diverse and inclusive culture
• globally connected teams
• opportunity to shape security programs
• professional development support
• competitive benefits (as part of EY)

• Coordinate response efforts to cybersecurity incidents caused by external threats across global time zones
• Act as liaison and relationship manager with Business, Legal, Risk, vendors, and external parties
• Engage General Counsel, Data Privacy/Protection, and Risk Management contacts to align on incidents
• Drive integration with other incident management programs for consistency
• Lead development and improvement of processes and documentation for scalable response operations
• Collaborate with Incident Response leads to review performance and implement lessons learned
• Draft timely communications and provide updates to leadership during and after events
• Own and maintain internal playbooks and knowledgebase
• Participate in on-call rotation to cover off-hours incidents

• 7+ years in cybersecurity roles related to incident response, SOC, threat intelligence, or related fields
• Deep understanding of incident response lifecycle and forensics
• Experience with SIEMs and cross-domain security operations
• Knowledge of Windows and Unix/Linux environments
• Ability to manage global, complex incidents and communicate effectively
• Experience with electronic discovery, forensic tools, and regulatory considerations
• Willingness to pursue relevant certifications (GCFE, GCFA, GCIH, CISA, CISM, CISSP, CCIM)
• Bachelor’s or Master’s Degree in a tech field or equivalent experience
• Strong written and verbal communication, integrity, and diplomacy

• Excellent communication and writing skills
• Diplomacy and stakeholder management
• Ability to work under pressure and make sound judgments
• Incident response lifecycle
• Forensics and chain-of-custody
• Cybersecurity event analysis