Senior Security Engineer - Blue Team

BKN301, a London‑based financial technology group.

Location: Czechia

Role: Senior Security Engineer – Blue Team

As a Senior Security Engineer on our Blue Team, you will focus on detecting, responding to, and mitigating security threats in real time. You will work on strengthening our defenses, monitoring activity, and implementing advanced detection mechanisms to proactively secure our BaaS platform.

• Threat Detection: Monitor security events and alerts to identify potential breaches or anomalies.
• Incident Response: Investigate and respond to security incidents, ensuring swift containment and recovery.
• Log Analysis: Analyze logs from SIEMs, applications, and network tools to identify patterns and uncover malicious activity.
• Defense Optimization: Improve security controls, detection mechanisms, and response processes to stay ahead of evolving threats.
• Collaboration: Work with the Red Team to validate mitigations and close identified gaps.
• Tool Integration: Enhance and implement tools for monitoring, detection, and alerting.
• Security Awareness: Collaborate with teams to promote best practices in secure coding, configuration, and operations.

• Experience in security operations, incident response, or Blue Team roles.
• Proficiency with SIEM tools (e.g., Splunk, QRadar) and EDR solutions (e.g., CrowdStrike, SentinelOne).
• Strong knowledge of network security, endpoint protection, and cloud security (AWS, Azure, GCP).
• Familiarity with threat detection frameworks like MITRE ATT&CK.
• Scripting and automation skills (e.g., Python, PowerShell).
• Good conversational and professional proficiency in English.
• Relevant certifications (e.g., GCIA, GCIH, CISSP) are a plus.

• Strategic thinking with a bias for action.
• Ownership and accountability.
• Operational rigor and attention to detail.
• Strong communication and leadership across cultures.
• Curiosity, adaptability, and passion for innovation.

• Permanent, full‑time role.
• A fair and market‑aligned compensation.
• Dynamic, international culture built on trust and collaboration.
• Real impact on global fintech transformation projects.
• Growth and learning opportunities within an innovative group.

We’re proud to be an equal opportunity employer, committed to diversity and inclusion in all forms.