Senior XDR Security Engineer

EY; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Hybrid and remote work options

Professional development program

EY Badges and certifications

Private healthcare and life insurance

Job summary

EY Poland is seeking a Cybersecurity Engineer to help design, implement, and optimize modern XDR solutions across international projects, strengthening clients' security operations.

In this role you will deploy CrowdStrike Falcon XDR and Microsoft Defender XDR, integrate endpoints, cloud workloads, identities, and security tools, and collaborate with SOC teams to improve threat detection and incident response.

Qualifications

• 4+ years in Cybersecurity Engineering, Security Operations, Detection Engineering, or Security Consulting.
• Hands-on with CrowdStrike Falcon or Microsoft Defender XDR.
• Knowledge of Windows, Linux, and cloud environments; API integration experience.

Responsibilities

• Design and implement enterprise XDR architectures.
• Lead deployments of CrowdStrike Falcon XDR and Microsoft Defender XDR.
• Integrate endpoints, cloud workloads, identities, email security, and third-party tools into XDR ecosystems.
• Develop onboarding strategies and deployment roadmaps for enterprises.
• Fine-tune detection logic, rules, policies, and response workflows.
• Collaborate with SOC teams to enhance threat hunting and incident response.

Skills

Cybersecurity experience

Threat detection principles

English & Polish proficiency

Education

Industry certifications (CrowdStrike, Microsoft, Splunk, CISSP, etc.)

Tools

CrowdStrike Falcon

Microsoft Defender XDR

Job description

EY Poland is seeking a Cybersecurity Engineer to help design, implement, and optimize modern XDR solutions across international projects, strengthening clients' security operations.

In this role you will deploy CrowdStrike Falcon XDR and Microsoft Defender XDR, integrate endpoints, cloud workloads, identities, and security tools, and collaborate with SOC teams to improve threat detection and incident response.