Senior Security Engineer – Endpoint Security (Linux)

We are seeking an experienced Security Engineer to join a global Cybersecurity Engineering team, responsible for designing and implementing enterprise-grade Endpoint Security solutions across Linux environments. This role combines hands-on engineering, automation, architecture development, and cross-functional collaboration within a large-scale, distributed infrastructure.

• 5+ years of hands-on Linux administration experience (security-focused experience preferred)
• Proven experience securing endpoints and managing antimalware/EDR solutions
• Strong expertise in Ansible Automation Engine and scripting (Python, Bash, Perl, or similar)
• Experience with EDR/XDR tools (e.g., CrowdStrike or similar platforms)
• Exposure to cloud environments (AWS, Azure) and CI/CD tooling (Git, Jenkins)
• Solid understanding of Linux security risks, vulnerabilities, and mitigation techniques
• Knowledge of networking fundamentals and cloud/application security controls
• Experience working in large, enterprise-scale environments
• Strong analytical and problem-solving skills
• Excellent communication skills and ability to collaborate cross-functionally

• Design and implement Endpoint Security solutions for Linux-based environments
• Automate deployment and configuration of security controls using Ansible and scripting
• Enhance and optimize antimalware and endpoint protection capabilities
• Assess current security posture, perform gap analysis, and define target architecture
• Collaborate with infrastructure, cloud, and cybersecurity domain teams
• Evaluate, test, and integrate security tools and technologies
• Troubleshoot complex security issues across large-scale environments
• Provide technical leadership and mentorship within the team

• Contract type: B2B (hourly rate, no paid days off)
• Hybrid model: 6 days per month from the office (Cracow/Warsaw)