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Security & Threat Detection Engineer at Alex Staff Agency. About the company and the project:. An international technology company developing advanced Linux-based operating systems and infrastructure tools is looking for a . Senior Python Developer.  with a strong background in system-level programming and Linux internals.. The company's solutions are trusted by industry leaders such as Dell, GoDaddy, IBM, Zoom, and over 4,500 other organizations worldwide. You’ll work on mission-critical products that enhance . Linux.  server security, enable live patching, and improve overall system reliability.. This is a . fully remote position.  with a flexible schedule, offering you the freedom to work from anywhere while contributing to products used by millions of systems across the globe.. Responsibilities:. . Develop and maintain Python-based tools and systems for security automation and threat detection.. . Contribute to building and improving protection mechanisms for Linux-based infrastructure.. . Analyze and mitigate security vulnerabilities, including web threats, malware, and web shells.. . Configure, extend, and maintain WAF (e.g., ModSecurity) and detection rules.. . Collaborate with cross-functional teams to integrate security logic into system architecture.. . Automate security workflows using Python and CI/CD tools.. . Research and apply new security technologies to enhance existing products.. . Must-Have Requirements:. . 5+ years of commercial experience with Python.. . Strong hands-on experience with Linux in production environments.. . Experience with system programming concepts (e.g., sockets, filesystems, process management).. . Familiarity with security tools and techniques (WAF, ModSecurity, IDS/IPS, regular expressions).. . Experience with CI/CD systems and automation (preferably Ansible, Jenkins).. . Nice-to-Have:. . Experience detecting and mitigating malware, web shells, or vulnerabilities.. . Familiarity with YARA rules, log analysis, or reverse engineering basics.. . Experience with SQL or data processing for security-related use cases.. . Knowledge of Go.. . Benefits:. . A decent salary according to your experience and skills (the exact amount is discussed with the final candidate). . Compensation for private medical insurance. . Co-working and gym/sports reimbursement. . Budget for education. . Paid annual leave and sick leave. . Completely remote cooperation. . Flexible working hours. . Long-term employment on a full-time basis. . The opportunity to receive a reward for the most innovative idea that the company can patent.. . Company Location: Poland.