EvenUp in Toronto is seeking a hands-on Senior Security Engineer to build our detection and response program across telemetry pipelines, SIEM, and incident response. This role shapes security at a rapid-growing vertical SaaS company and collaborates with engineers to embed security in product data flows. You will lead SIEM evaluation, write detections, define telemetry, and own post-incident reviews, with hybrid work in Toronto three days a week and opportunities to influence security