Altruist is seeking a Principal Security Engineer to lead detection, response, and security monitoring for a self-clearing broker-dealer. You will build and lead the security operations team and the 24x7 program that keeps our platform and advisor's clients safe. This role follows a hybrid schedule, with three days per week onsite in our Culver City, CA or San Francisco offices. What you’ll do: Lead, mentor, and grow the security operations / detection and response team; own the 24x7 security monitoring strategy across our managed detection and response provider; run the incident response program end-to-end—from detection through containment, eradication, recovery, and post-incident review; define and report on SecOps metrics and SLAs to security and executive leadership; mature detection engineering, threat intelligence ingestion, and response automation; drive tabletop and purple-team exercises; partner with Cloud, IT, and Engineering to close gaps surfaced by monitoring; own the day-to-day operation and roadmap of the security operations tooling stack. What you’ll bring: 6+ years in security operations, including 2+ years leading or managing a SOC / detection and response team; hands-on incident response in a cloud-first environment; deep experience with SIEM (Datadog, Splunk), EDR/MDR (CrowdStrike, SentinelOne), and cloud telemetry (AWS); experience managing an MDR / MSSP and/or IR retainer relationship; strong leadership and urgency; BA/BS in Computer Science, Computer Engineering, Information Security, or equivalent; technical fluency across modern cloud and detection

Altruist is seeking a Principal Security Engineer to lead detection, response, and security monitoring for a self-clearing broker-dealer. You will build and lead the security operations team and the 24x7 program that keeps our platform and advisor's clients safe. This role follows a hybrid schedule, with three days per week onsite in our Culver City, CA or San Francisco offices. What you’ll do: Lead, mentor, and grow the security operations / detection and response team; own the 24x7 security monitoring strategy across our managed detection and response provider; run the incident response program end-to-end—from detection through containment, eradication, recovery, and post-incident review; define and report on SecOps metrics and SLAs to security and executive leadership; mature detection engineering, threat intelligence ingestion, and response automation; drive tabletop and purple-team exercises; partner with Cloud, IT, and Engineering to close gaps surfaced by monitoring; own the day-to-day operation and roadmap of the security operations tooling stack. What you’ll bring: 6+ years in security operations, including 2+ years leading or managing a SOC / detection and response team; hands-on incident response in a cloud-first environment; deep experience with SIEM (Datadog, Splunk), EDR/MDR (CrowdStrike, SentinelOne), and cloud telemetry (AWS); experience managing an MDR / MSSP and/or IR retainer relationship; strong leadership and urgency; BA/BS in Computer Science, Computer Engineering, Information Security, or equivalent; technical fluency across modern cloud and detection