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Front-end Software Engineer
Frontend engineer at a next-generation cloud security scaleup in Belfast, building high-performance, complex user interfaces with React, TypeScript and WebGL. Pure frontend ownership across the full lifecycle, including API schema definition; hybrid working (3 days in the Custom House Square office, 2 remote).
Principal Security Operation Engineer (Red Team)
Lead red-team exercises to simulate real attacks on Bybit’s crypto exchange, cloud, and AI systems, then turn findings into detection rules and security tooling.
Linux System Administrator (w/m/d) Defense Products
Maintains and secures IONOS’s cloud and hosting infrastructure, including DDoS mitigation, WAFs, and CDN, using Linux, BGP, Ansible, and CI/CD pipelines.
Linux - System Administrator (f/m/d) Defense Products
Administer and secure IONOS’s cloud infrastructure by operating DDoS defenses, WAFs, and CDN while automating Linux systems with Ansible, Puppet, and Python.




