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 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 - Work with Engineering and Application Security teams to ensure products leverage AI securely across the platform.
• AI Enablement - Partner with the Architecture team to evolve internal AI productivity initiatives by securely enabling the business to leverage AI to streamline processes and enhance productivity.

AI Security Defense in Depth - Focus on protecting Addepar against AI-based attacks and threats such as supply chain compromises by:

• AI Guardrails - Advise or implement guardrails and controls to minimize data loss risks and use of insecure or unapproved AI methods.
• AI for Security - Guide and mentor fellow Security teams on leveraging AI for security benefits.
• AI Governance - Ensure documentation and guidance for employees remains current and assist with related questions or concerns.

As part of the Security Solutions team, you will also have the opportunity to:

• Drive Security Initiatives: Lead and execute complex, project-driven security enhancements across infrastructure, applications, and the 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 culture of security enablement.
• Mentorship: Mentor junior and mid-level engineers within the Information Security & Risk team.

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 turning vague security problems into structured project plans and executing them to completion.
• Attention to detail and analytical skills.
• Curiosity, continuous learning, and deep interest in Information Security.
• Ability to build strong relationships and work collaboratively with internal and external partners.
• Excellent verbal and written communication skills.

Desired Technical Skills:

• Deep expertise in AI, including AWS services, LLMs, MCP, agentic agents, frameworks, governance and regulations, attacks, guardrails, and costs.
• Software Engineering background is a strong plus.
• Amazon Web Services, especially security services.
• Strong experience with authentication and authorization protocols and securing non-human identities.

Nice to Have:

• AI-based certification such as AAISM, AAIA, or CAISP.
• Knowledge and experience with AI frameworks such as the NIST AI Framework or EU Artificial Intelligence Act.
• Knowledge and experience with MITRE ATLAS or OWASP Top 10 for LLMs.
• Bachelor’s or Master’s degree focused on Information Systems, Computer Science, or Security.

Our Values:

• Act Like an Owner - Think and operate with intention, purpose, and care. Own outcomes.
• Build Together - Collaborate to unlock the best solutions. Deliver lasting value.
• Champion Our Clients - Exceed client expectations. Our clients’ success is our success.
• Drive Innovation - Be bold and unconstrained in problem solving. Transform the industry.
• Embrace Learning - Engage our community to broaden our perspective. Bring a growth mindset.