Staff AI Security Engineer

The Role

We are seeking a well rounded Staff AI Security Engineer to join our growing Information Security & Risk team. In this role, you will be a member of our newly formed Security Solutions team. This team is at the forefront of driving organization-wide security enhancements through high-impact, project-driven initiatives with a heavy focus on AI.

If you are looking for an opportunity to build from the ground up, influence security architecture, and meaningfully elevate Addepar’s overall security posture, this is the role for you.

Applicants must be legally authorized to work in the United States for any employer without requiring current or future visa sponsorship (for example, employment-based visas such as H-1B, F-1/OPT, or similar), and must be authorized to begin work in the U.S. on their first day of employment.

What You’ll Do

Focus on AI Security in the following areas:

• • Innovation & Strategy - Keep up with the latest trends, models and innovations in all facets of AI Security and advise on proper architectures
  • Platform AI Security - Working with our Engineering and Application Security teams to ensure our products are leveraging AI in a secure manner across our platform.
  • AI Enablement -Partnering with our Architecture team to continue to evolve Addepar’s Internal AI Productivity initiatives by securely enabling our business to leverage AI to streamline processes and enhance productivity.

AI Security Defense in Depth - Focusing on how to protect Addepar against AI based attacks and threats such as Supply Chain compromises by doing the following:

• AI Guardrails - Advising or implementing guardrails and controls to minimize data loss risks and use of insecure or unapproved methods of AI use.
• AI for Security - Guiding and Mentoring fellow Security teams on how to leverage AI for security benefits.
• AI Governance - Ensure documentation and guidance for all employees is kept up to date and assist with any questions or concerns that arise.

While the focus is on AI Security, as part of the Security Solutions team; you will have the opportunity to:

• • Drive Security Initiatives: Lead and execute complex, project-driven security enhancements across the organization’s infrastructure, applications, and corporate environment.
  • Security Architecture & Design: Collaborate with engineering and product teams to architect, build, and deploy scalable, resilient security solutions.
  • Enablement & Automation: Build tools, guardrails, and automated workflows that empower development teams to ship secure code quickly and safely.
  • Risk Mitigation: Identify gaps in the current security posture, design remediation plans, and systematically execute them to maturity.
  • Cross-Functional Collaboration: Act as a trusted security advisor across engineering, product, and R&D teams, fostering a strong culture of security enablement rather than restriction.
  • Mentorship: Mentor junior and mid-level engineers within the Information Security & Risk team, helping to elevate collective technical capabilities.

Who You Are

• Experience: 9+ years of dedicated experience in security engineering, application security, infrastructure security, data security or cloud security roles.
• Project Leadership: Proven track record of taking vague security problems, turning them into structured project plans, and executing them to completion.
• Attention to details and analytical skills.
• Curious, always learning and deeply interested in Information Security.
• Ability to build strong relationships and work collaboratively with internal and external partners.
• Excellent verbal and written communication skills with the ability to build strong relationships with internal stakeholders and external partners.

Desired Technical Skills

• Deep expertise in all aspects of AI including AWS Services, LLM’s, MCP, Agentic Agents, Frameworks, Governance & Regulations, Attacks, Guardrails and solid understanding of costs.
• A Software Engineering background is a strong plus.
• Amazon Web Services across its most widely used services, especially Security services.
• Strong experience and understanding with Authentication & Authorization protocols. and how non-human identities can be secured appropriately.

Nice to Have

• AI based certification such as AAISM, AAIA or CAISP.
• Knowledge and Experience with AI based frameworks such as NIST AI Framework or EU Artificial Intelligence Act
• Knowledge and Experience with MITRE ATLAS or OWASSP Top 10 for LLM’s.
• Bachelors or Masters Degree with a focus in Information Systems/Computer Science/Security