Vendor Security Manager

Sierra
San Francisco, CA
Category Security
Job Description
We're looking for a Vendor Security Manager to join Sierra's Security team. The security of our Conversational AI Platform depends on the security of everything connected to it, the vendors, model providers, infrastructure partners, and supply chain dependencies that enable how Sierra operates and scales. You'll build and scale Sierra's vendor security program from the ground up, conducting deep technical assessments, developing frameworks purpose-built for AI vendor risk, and driving security decisions across all of Sierra's third-party security relationships.

Requirements

  • 10 or more years in information security with real depth in vendor security, third-party risk, or GRC in a regulated environment financial services, healthcare, government, or enterprise SaaS.
  • Technical fluency in cloud security, AWS and GCP IAM, VPC architecture, encryption, logging and monitoring, shared responsibility models at a level where you can assess what a vendor's architecture actually means for Sierra's exposure, not just whether their controls list maps to a framework.
  • Deep working knowledge of ISO 27001, NIST 800-53, SOC 2, PCI DSS, and FedRAMP as they apply to third-party oversight.
  • Experience building automations, integrations, or detection logic whether through GRC tooling, APIs, or scripting that reduce manual work and surface risk signals faster.
  • Genuine curiosity about AI security model supply chains, prompt data handling, adversarial ML, and the governance frameworks being built around AI systems.
  • The ability to communicate complex risk clearly to engineers, and auditors without losing precision or confidence.

Benefits

  • Flexible (unlimited) paid time off
  • Medical, dental, and vision benefits for you and your family
  • Life insurance and disability benefits
  • Retirement plan dependent on country of employment
  • Parental leave
  • Fertility and family building benefits through Carrot
  • Lunch, as well as delicious snacks and coffee to keep you energized
  • Discretionary benefit stipend giving people the ability to spend where it matters most
  • Free alphorn lessons
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