Senior Staff AI Security Engineer

The role

This person will lead the secure deployment and operation of AI and ML systems. They will design secure gateways, orchestration layers, and lead AI red-teaming practices.

What you will do

• Design, build, and operate secure AI gateways and policy orchestration layers
• Configure end point settings for AI tools
• Stand up and lead a formal AI red-teaming practice
• Identify and mitigate AI-specific threats
• Automate security checks and guardrails
• Apply and operationalize the OWASP LLM Top 10 framework
• Own the AI security roadmap and advise senior leadership
• Embed with platform teams as a partner
• Mentor fellow engineers on AI security best practices
• Document and report vulnerabilities with remediation guidance

Required qualifications

• Proven track record of building and scaling security systems in high-growth environments
• High proficiency in Python or Go
• Deep understanding of LLM-specific attack vectors: prompt injection and jailbreaking
• Deep understanding and applied experience with the OWASP LLM Top 10 framework
• Experience designing secure API gateways, orchestration layers, and scalable security infrastructure using infrastructure as code
• Experience standing up red-teaming or adversarial testing programs
• Strong grasp of AI/ML fundamentals, including model supply chain and data privacy risks
• Ability to influence senior leadership and mentor engineers
• Background in Computer Science, Cybersecurity, or a related technical field

Nice to have

• Builder mentality and passion for the AI space

Benefits

• Medical, dental, and vision insurance
• Life and disability insurance
• 401(k) retirement plan
• Flexible spending & health savings account
• Paid holidays
• Paid time off
• BILL covers the majority of medical, dental, and vision premiums for employees and dependents
• Mental Wellbeing & Employee Assistance Program (EAP)
• 10 company holidays, 2 floating holidays and flexible time off
• Employee Stock Purchase Program with employee discounts
• Employee recognition and referral programs

Before you apply

• Position is not eligible for visa sponsorship
• Applicants must have authorization to work in the United States without requiring visa sponsorship now or in the future
• Use of unapproved external assistance, including generative AI, during live interviews or assessments is prohibited

About the company

BILL is a Fintech company that builds tools to replace outdated financial processes and create the future of financial automation. They are a remote-first company with office spaces in San Jose, CA and Draper, UT.