Senior Security Engineer – Endpoint Security (Linux)

Senior Security Engineer – Endpoint Security (Linux)

• Type of contract: B2B (hourly rate, no paid days off)

• Hybrid model: 6 days per month from the office (Cracow/ Warsaw)

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.

Key Responsibilities

• Design and implement Endpoint Security solutions for Linux-based environments

• Automate deployment and configuration of security controls (Ansible, 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

Requirements

• 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

What We Offer

• Participation in a global, high-impact project

• Cooperation based on a B2B contract (hourly rate, no paid days off) + Benefits

• Hybrid model: 2 days per week from the office in Cracow.