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As our security engineer, you'll own security end-to-end for our platform — standing up open-source tooling, writing your own scripts and automation, and running assessments on our engineering team.
You'll...
- Run security reviews for new tools, vendors, and projects — data handling, AI usage, DPAs, PII, authentication/authorization, and third-party security reports (SOC 2, PCI, ISO, pentest results)
- Own access and infrastructure security — IAM least-privilege reviews, S3/database access controls, environment segregation, service-to-service authentication, and network configuration audits (VPC flow logs, inbound/outbound rules)
- Run vulnerability management across cloud and endpoints, and manage IDS/IPS (e.g., Palo Alto Panorama, AWS WAF) and EDR/MDR tooling
- Lead security incident response end to end — triage, investigate, contain, document, and build the runbooks as you go
- Implement and maintain the technical controls supporting our PCI DSS and SOC 2 / ISO 27001 compliance programs, including internal audits, risk metrics, and disaster recovery planning
- Partner with DevOps/IT on patch management and secure infrastructure defaults, and present tooling and risk recommendations to engineering leadership
- Build our in-house AppSec scanning program — evaluate and pilot SAST/SCA/IaC tooling (Semgrep, Trivy, Upwind), integrate into GitLab CI and Jenkins, define severity-based remediation SLAs, and drive rollout across services
- Build internal security tooling and automation — custom scripts and integrations (Python/boto3, APIs) that pull data from tools without native integrations into shared dashboards and reports
- Build and tune detection pipelines — for example, feeding traffic/bot-protection alerts (Datadome) into our log platform (ELK/Kibana) and writing rules that catch real attack patterns
- Threat-model and pentest our AI/LLM systems — scope risks like prompt injection and data exfiltration through MCP servers, coordinate external pentests where needed, and drive remediation
- Maintain security policies and practices and drive training and adoption throughout the company
- You have 7+ years of hands-on security engineering experience across application security, cloud security, and network/penetration testing — not just one lane
- You've driven tooling or architecture decisions independently (evaluated options, made the call, defended it to leadership)
- You're self-directed, pragmatic, and ruthless about prioritization
- You've built production automation from scratch — API integrations, custom collectors, or internal tooling — not just one-off scripts
- You have hands-on experience deploying and running OSS security tools — Burp Suite Community/OWASP ZAP, Nmap, Nuclei, Metasploit, Semgrep, Trivy, Wazuh/OSSEC, ELK/Kibana, Prowler/ScoutSuite, HashiCorp Vault, or similar
- You have solid AWS security experience
- You have working knowledge of PCI DSS, SOC 2, and ISO 27001 — enough to implement controls and support audits
- You're curious about emerging security domains and comfortable threat-modeling systems (like AI/LLM applications) that don't have an established playbook yet
- You're an excellent communicator who can translate cost/coverage tradeoffs and technical risk for both engineers and executives
- Bonus: OSCP, GPEN, or similar certifications; bug bounty experience; or experience securing LLM/AI-based systems
- BS in Computer Science or related field, or equivalent hands-on experience
- You’ll have equity in a pre-IPO company backed by top VCs;
- We offer comprehensive medical, dental, and vision insurance;
- We offer a monthly home office stipend;
- We offer a professional development program to support your continued growth
- We offer flexible paid time off;
- We have 10 paid holidays and additional 6 Sesame Wellness days;
- We prize EQ and empathy, and have a culture that emphasizes total wellness, including work-life harmony.
We are open to hiring for this role in the following states where we are set up to hire employees: CA, CO, NC, NJ, NV, and TX.
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