Partner 20, Staff Security Engineer, AI & Security Platform

Location: San Francisco, California, United States; in-office presence required 2 days per week

Salary: $243,000–$284,000 per year

Company

hirify.global (a16z) is a venture capital firm investing in technology companies across AI, bio and healthcare, consumer, crypto, enterprise, fintech, games, and American dynamism.

What you will do

• Build AI-native security workflows using LLM-augmented analysis, agentic automations, models, context, and evaluations.
• Integrate SIEM, vulnerability scanning, EDR, identity, asset management, and foundation models into a unified security platform.
• Develop frameworks and dashboards for asset inventory, vulnerability posture, exposure reviews, and compliance evidence.
• Automate vulnerability management, asset hygiene, access reviews, and workflows spanning multiple security tools.
• Build reusable AI tooling and share implementation patterns with Security Engineering and Incident Response.
• Collaborate with Security Engineering, Incident Response, SecOps, IT, and the Applied Software Group.

Requirements

• 5+ years of security engineering experience, with automation and security tool-building as a core responsibility.
• Experience shipping production-quality security tooling with strong Python or a similar programming language.
• Broad knowledge of cloud security, detection engineering, identity, and vulnerability management.
• Hands-on experience building with LLMs or AI APIs and evaluating model accuracy, usability, and performance.
• Understanding of prompt injection, LLM data exfiltration, agent identity boundaries, and model risk.
• Ability to communicate technical security concepts and trade-offs to non-technical audiences and collaborate across teams.

Culture & Benefits

• Health, dental, vision, disability, and life insurance.
• 401(k) plan, vacation, and sick leave.
• Eligibility for the a16z carry program and discretionary bonus programs.
• Collaborative culture focused on long-term relationships, teamwork, diversity, and high-quality execution.