Security Engineer EDR

Description

Join our Cybersecurity Engineering team and help organizations strengthen their security posture through the design, implementation, and optimization of modern Extended Detection and Response (XDR) solutions. As part of our growing cybersecurity practice, you will work on complex international projects across multiple industries, supporting clients in building resilient security operations capabilities and defending against advanced cyber threats. EY.AI – in this role, you will work in an environment where AI agents are part of the team and everyday project work. You will use solutions tailored to specific domains that help analyze data, generate recommendations, and design solutions. This enables you to move faster from analysis to action and create competitive advantages for clients. Your scope of duties Design and implement enterprise XDR architectures. Lead deployments of CrowdStrike Falcon XDR and Microsoft Defender XDR solutions. Integrate endpoints, cloud workloads, identities, email security, and third-party security tools into XDR ecosystems. Develop onboarding strategies and deployment roadmaps for enterprise environments. Fine-tune detection logic, correlation rules, security policies, and response workflows. Support clients in improving XDR maturity and transforming their security operations capabilities. Improve detection coverage and threat visibility across complex IT environments. Design and implement use cases, detection content, and security response automation. Optimize and operationalize security monitoring capabilities. Conduct health assessments and recommend improvements for existing security platforms. Collaborate with SOC teams to enhance threat hunting, incident response, and investigation processes. Design integrations using APIs and automation frameworks. Support platform upgrades, migrations, and cybersecurity transformation initiatives. Prepare technical documentation, operating procedures, and architecture diagrams. Advise clients on security best practices and platform optimization. Participate in projects related to SIEM & Security Analytics, AI Security, Cloud Security, and SASE/SSE technologies.

Requirements

• Experience designing security architectures and large-scale security deployments.

• Experience with cloud security technologies (Azure, AWS, GCP).

• Knowledge of SOAR and automation platforms.

• Experience with AI Security solutions and governance frameworks.

• Experience with SASE/SSE technologies (e.g. Zscaler).

• Familiarity with PowerShell and Python scripting.

• Industry certifications such as:

• CrowdStrike certifications

• Microsoft Security certifications (SC-200, SC-100, AZ-500)

• Splunk certifications

• CISSP, GCIH, GCIA, Security+

What we offer

• Participation in complex international cybersecurity implementation and transformation projects.

• Exposure to a wide range of technologies and cybersecurity domains, allowing you to build your own career path.

• Opportunity to gain hands-on experience with enterprise-level cybersecurity tools and platforms.

• Personalized training programs and learning paths.

• Participation in a professional development program.

• Flexible working model, including hybrid and remote work options depending on project requirements.

• Locations: Warsaw, Łódź, Wrocław, and Gdańsk.

• Professional and financial support in obtaining recognised qualifications and certificates.

• EY Badges - global certification of your competencies and the opportunity to earn an MBA title from the prestigious Hult International School of Business.

• Career Counselor - professional, one-to-one guidance on career building and development.

• Psycho-educational platform - a package of free consultations with specialists in the broad field of mental health and personal development and access to educational activities.

• Benefit programme offering private healthcare with additional preventive examinations, life insurance, tickets, team sports, language learning platform, sports cards and much more (available online and offline).

Our requirements

• 4+ years of experience in Cybersecurity Engineering, Security Operations, Detection Engineering, or Security Consulting.

• Hands-on experience with at least one of the following solutions:

• CrowdStrike Falcon

• Microsoft Defender XDR

• Strong understanding of cybersecurity operations and threat detection principles.

• Experience with XDR, EDR, SIEM, or SOC technologies.

• Knowledge of incident detection and response processes.

• Understanding of network security concepts and common attack techniques.

• Experience integrating security technologies and working with APIs.

• Knowledge of Windows, Linux, and cloud environments.

• Ability to analyze security events and design detection logic.

• Strong communication and stakeholder management skills.

• Very good command of English and Polish (B2/C1 level).

Recruitment stages

• Apply. If this is your first time applying, create your profile and upload your CV.

• Let’s talk. You will meet Talent Acquisition specialists and members of your future team.