Founding Security Engineer: Enterprise AI Security Lead

Valkai; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive compensation

Equity

Medical, dental, vision coverage

Generous PTO

Paid parental leave

Job summary

Valkai is seeking a security leader to own security across our product, cloud infrastructure, and internal systems. You’ll write code, ship controls, and partner with engineers to fix vulnerabilities while owning customer trust and conducting enterprise security reviews.

You will help define risk-based security priorities, implement robust authentication and data-protection measures, and coordinate with Legal, Sales, and AI Research on governance and customer commitments.

Qualifications

• Produced security tooling or production software; investigate issues, write fixes, and own them through deployment.

Responsibilities

• Guide Valkai’s security roadmap by assessing product, infrastructure, and internal systems; prioritize high-impact risks and own remediation.
• Build and strengthen authentication, authorization, tenant isolation, secrets management, encryption, and data-handling controls, contributing production code and infrastructure changes.
• Secure AI agents and their integrations, including tool permissions, execution boundaries, access to customer data, and defenses against prompt injection and data exfiltration.
• Establish security logging, detections, incident response procedures, and vulnerability management; investigate issues, coordinate response, and implement fixes to prevent recurrence.
• Own enterprise security reviews, diligence calls, questionnaires, and customer audit support; partner with Sales and Legal to meet security commitments and unblock deployments.
• Build and maintain Trust Center, architecture overviews, security docs, and reusable customer responses; automate evidence collection and review workflows.
• Drive security readiness for SOC 2 and ISO 27001, coordinating evidence, remediation, and audits; align with AI governance and ISO 42001 as requirements evolve.

Job description

Valkai is seeking a security leader to own security across our product, cloud infrastructure, and internal systems. You’ll write code, ship controls, and partner with engineers to fix vulnerabilities while owning customer trust and conducting enterprise security reviews.

You will help define risk-based security priorities, implement robust authentication and data-protection measures, and coordinate with Legal, Sales, and AI Research on governance and customer commitments.