Senior Security Engineer

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for a Senior Security Engineer to join our team. In this role, you will act as a key technical expert, bridging deep competencies across defensive security, offensive security, and DevSecOps. Your primary objective will be to ensure the security of ICT processes and assets, while regularly collaborating with IT teams, DevOps, and Product Managers. Responsibilities - Responding to and handling ICT security incidents, as well as providing operational support for the monitoring process. - Supervising and optimizing the enterprise cyber security solution ecosystem (e.g., SIEM, EDR/XDR, IDS/IPS). - Maintaining, evaluating, and implementing new cybersecurity tools and solutions. - Managing scans, as well as conducting vulnerability assessment and mitigation processes for networks, web & mobile environments, on-premises, and cloud infrastructure in collaboration with tech teams. - Proactively analyzing IT architecture security and executing threat modeling processes. - Regularly verifying and auditing IT infrastructure and service configurations based on security best practices. - Building and developing a Security Awareness culture across the organization through team education, promoting best practices, and delivering dedicated training sessions. Requirements - Minimum 5 years of experience in a technical IT security role (e.g., Security Engineer, SOC Analyst L3, Cybersecurity Incident Response Engineer). - Practical technical knowledge in the Blue Team domain (monitoring, incident response, tool maintenance, and tuning) alongside familiarity with attack techniques used for vulnerability assessment. - Hands-on knowledge of OS architecture and security, computer networks, web/mobile applications, and cloud environments. - Experience in Vulnerability Management processes, technical risk analysis, and drafting security procedures and documentation. - Strong communication skills, experience in conducting Security Awareness initiatives, and close collaboration with IT, DevOps, and business stakeholders. - Proficiency in English enabling fluent technical and business communication (minimum B2 level). Nice to have - Professional certifications or practical knowledge of industry standards and frameworks (e.g., CISSP, CompTIA Security+, CCSP, GIAC, ISO/IEC 27001, AWS/Azure Security certifications). - Process automation and scripting skills (e.g., Python, Bash, PowerShell) and experience integrating security tools into CI/CD pipelines. - Experience in Threat Hunting and Digital Forensics & Incident Response (DFIR). - Familiarity with AI Security. - Knowledge of industry regulations and standards (e.g., DORA, NIS2, ISO/IEC 27001, SOC 2). What we offer - Real influence on the development of the company and the product. - Work in an experienced team that is happy to share its knowledge. - A clear vision of development thanks to regular feedback and clear career paths. - Regular team-building meetings. Benefits - A training budget for courses and conferences that interest you. - An extra day off on your birthday. - An extra day off for parents. - Equipment tailored to your needs. - Private medical care and group insurance. - Access to an e-learning platform for learning English and a benefits platform. - Access to a wellbeing platform and the opportunity to take advantage of workshops and private therapy sessions. - Remote work, from the office in Warsaw or from a coworking space in your city. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.