Partner 20, Staff Security Engineer

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Partner 20, Staff Security Engineer in USA

a16z
Full time
Email

USA
09/13/2026
Report

San Francisco, CA

Responsibilities

Connect SIEM, vulnerability scanning, EDR, identity, asset management, ticketing, and foundation models into unified security workflows.
Build dashboards and frameworks for asset inventory, vulnerability posture, exposure reviews, and compliance evidence.
Develop production-quality automations for vulnerability management, asset hygiene, access reviews, and cross-tool workflows.
Build LLM-augmented workflows, agentic automations, AI-assisted analysis, and model evaluation capabilities.
Share AI patterns and ship tooling that enables security and incident response engineers to use AI effectively.
Collaborate with Security Engineering, Incident Response, SecOps, IT, and the Applied Software Group.

Requirements

5+ years of security engineering experience with automation and tool-building as a core responsibility.
Strong Python or similar programming experience and a record of shipping production-quality security tooling.
Broad security fundamentals across cloud security, detection engineering, identity, and vulnerability management.
Hands-on experience building with LLMs or AI APIs and evaluating model output for accuracy, usability, and performance.
Understanding of AI security risks including prompt injection, data exfiltration from LLM workflows, agent identity boundaries, and model risk.
Ability to explain technical security concepts, decisions, and trade-offs to non-technical audiences.
Collaborative, empathetic, low-ego approach across security, engineering, and IT.

Benefits

Eligible to participate in the a16z carry program and discretionary bonus programs.
Benefits include health, dental, vision, disability, life insurance, 401K, vacation, and sick leave.
Requires in-office presence two days per week in the San Francisco, California office.

Salary: $243k - $284k/yr

a16z

Andreessen Horowitz (a16z) is a venture capital firm that invests in technology companies from seed through growth across consumer, enterprise, fintech, bio/health, AI, crypto, and games. The firm manages multiple funds and earns management fees and carried interest, and provides portfolio suppor...

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