Lead Incident Response Analyst: High-Severity IR & Playbooks

EY; Rzeszów; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

EY Badges

MBA opportunity

Career Counselor

Private healthcare

Professional qualifications support

Job summary

EY Poland is seeking an experienced Incident Response Lead to manage technical responses to high-severity cybersecurity incidents across endpoints, networks, identity and cloud environments. You will lead containment, eradication and recovery, while guiding junior analysts and shaping incident response playbooks.

You will collaborate with EY.AI initiatives, share expertise and contribute to post-incident reviews, investigations and improvements, ensuring rapid action and client value.

Qualifications

• Several years of professional experience in Incident Response, SOC operations, Digital Forensics and Incident Response, threat hunting or cyber defence.
• Broad knowledge of network, endpoint, operating system, application, identity and data security.
• Advanced knowledge of incident investigation methodologies and the MITRE ATT&CK framework.
• Strong experience with SIEM, EDR/XDR, NDR, SOAR, detection and forensic tools.
• Strong knowledge of Windows, Linux, Active Directory, Microsoft Entra ID and network protocols.
• Experience in investigating phishing, ransomware, account compromise, application attacks and data exfiltration.
• Hands-on experience with at least one major cloud platform, such as AWS, Microsoft Azure or Google Cloud.
• Experience in digital forensics, memory analysis, timeline analysis and evidence preservation.
• Experience in recovery activities, including secure service restoration, system rebuilds, backup validation and post-recovery monitoring.
• Strong communication skills and the ability to work effectively under pressure.

Responsibilities

• Independently leading the technical response to high-severity and critical cybersecurity incidents.
• Confirming the scope of an attack, level of compromise, attack vector, business impact and required response actions.
• Performing advanced analysis of endpoint, network, identity, application and cloud telemetry.
• Reconstructing attack paths and preparing detailed incident timelines.
• Conducting threat hunting based on indicators of compromise, attacker behaviours, tactics, techniques and procedures.
• Designing, recommending and overseeing containment and eradication activities.
• Analysing malware, scripts, processes, persistence mechanisms, lateral movement and privilege escalation.
• Performing root cause analysis and defining measures to prevent incident recurrence.
• Assessing the risks associated with restoring systems and services.
• Supporting decisions related to network segmentation, account and credential resets, system rebuilds, backup restoration and service recovery.
• Acting as the technical lead during major cybersecurity incidents.
• Mentoring Junior Incident Response Analysts.
• Developing, testing and improving incident response playbooks.
• Preparing the technical sections of post-incident reports and participating in post-incident reviews.

Skills

Incident Response

SOC operations

Digital Forensics

Threat Hunting

Cyber Defence

MITRE ATT&CK

Windows

Linux

Tools

SIEM

EDR/XDR

NDR

SOAR

Forensic Tools

Job description

EY Poland is seeking an experienced Incident Response Lead to manage technical responses to high-severity cybersecurity incidents across endpoints, networks, identity and cloud environments. You will lead containment, eradication and recovery, while guiding junior analysts and shaping incident response playbooks.

You will collaborate with EY.AI initiatives, share expertise and contribute to post-incident reviews, investigations and improvements, ensuring rapid action and client value.