Buildings, development and security Analyst supporting fire prevention, facility safety, and building management at Desjardins. Analyzing risks, developing safety plans, and implementing physical security systems.
About the role
- Principal Security Researcher for Spellbook, focused on securing legal AI workflows and sensitive data. Engaging in red teaming, security research, and cross-department collaboration for risk reduction.
Responsibilities
- Identify security risks across the company and partner with the relevant teams to reduce them.
- Lead active red teaming, application security testing, penetration testing, exploit validation, and adversarial analysis.
- Conduct original security research on legal AI, LLM-enabled products, sensitive document workflows, prompt injection, data leakage, model misuse, and tool abuse.
- Coordinate third-party penetration tests, red team exercises, audits, and other external security assessments.
- Own external vulnerability reports — bug bounty submissions, responsible disclosure reports, researcher communications, triage, validation, prioritization, and remediation tracking.
- Drive threat modelling and secure design reviews for new products, features, AI workflows, integrations, and infrastructure changes.
- Partner with R&D and Engineering to surface trust boundaries, abuse cases, and data exposure risks early in development.
- Support Security Operations during incident response by reproducing vulnerabilities, validating exploits, assessing impact, and recommending remediation.
- Engage with frontier AI labs, external researchers, vendors, and the broader security community to stay current on AI safety and security developments.
- Publish security research, advisories, technical writeups, blog posts, or conference talks where aligned with company priorities.
- Define and improve repeatable processes for security research, testing, vulnerability management, and remediation across Spellbook.
- Support with other responsibilities and projects as required.
Requirements
- Strong experience in application security, red teaming, penetration testing, vulnerability research, product security, or offensive security.
- Hands-on experience testing modern web applications, APIs, authentication flows, authorization models, cloud services, and distributed systems.
- Experience developing proof-of-concept exploits or clear technical demonstrations to validate security impact.
- Firm grasp of common software security risks, secure design principles, identity and access controls, data protection, and secure development practices.
- Experience partnering with engineering, product, or R&D teams to triage, prioritize, and remediate vulnerabilities end-to-end.
- Excellent written and verbal communication skills, with the ability to write clear technical reports, executive summaries, remediation guidance, and public-facing research, and to explain trade-offs to engineers, PMs, and leadership.
- Strong judgment around responsible disclosure, customer impact, confidentiality, and coordinated communication.
- Pragmatic at distinguishing theoretical risk from practical risk, with the instinct to help teams focus on what matters most.
- Comfortable operating with ambiguity and moving with urgency across hands-on testing, product security, incident support, and external coordination.
- Track record of driving measurable risk reduction in a fast-moving technical environment.
Benefits
- Access our company-paid group benefits for you and your family, with $1,000 towards mental health support
- Disconnect during our holiday closure and take advantage of our generous time off policies throughout the year
- Enjoy monthly paid meals, an annual wellness allowance to support your well-being and parental leave top-ups as your family grows
- Secure your stake in our success; you’ll receive competitive stock option grants as a pivotal early employee
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