Senior Consultant - SIEM Engineer - Cybersecurity

About the role

EY is looking for a Senior Consultant to lead threat detection and response initiatives in our Auckland office. You will work with a values‑based team of technologists, designing and optimizing SIEM and EDR platforms while delivering high‑quality security operations services to our clients.

Key responsibilities

• Technical lead for threat detection and response onboarding projects.
• Design, build, support, and optimise SIEM and EDR platforms.
• Monitor and respond to security alarms, alerts, and incidents.
• Escalate incidents to clients according to engagement terms.
• Manage tickets following the security operations manual and SLA requirements.
• Support junior team members in delivering SOC services.
• Participate in client‑facing meetings and ensure service delivery meets contract terms.
• Apply ITIL practices for service request, incident, problem, and change management.
• Contribute to continuous improvement of security operations.
• Communicate effectively with customers, teammates, and management.

Required profile

• Proven experience in information security, preferably in security operations, incident response, or vulnerability discovery.
• Strong knowledge of general security concepts and methods.
• Experience with Windows, Linux and UNIX operating systems.
• Relevant certifications such as CISSP, Security+, SANS, ISACA, or vendor‑specific credentials are a plus.
• Project management or quality‑management training (ITIL, Six Sigma, TQM) is desirable.

Required skills

• SIEM and EDR platforms.
• Splunk, CrowdStrike Falcon, Microsoft Defender/Sentinel.
• Tenable, Qualys, ServiceNow.
• Host‑based antivirus, anti‑spam gateway solutions.
• Firewalls, IDS/IPS.
• Server and network device hardening.
• Data loss prevention, forensics software, vulnerability management, website security.

What we offer

• A diverse and inclusive culture within a globally connected firm.
• Opportunities for career development and continuous learning.
• Access to EY’s worldwide network of experts and resources.