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a16z

Partner 20, Staff Security Engineer, AI & Security Platform

a16z · San Francisco, California, United States

Posted about 3 months ago · $243,000 - $284,000

or apply directly on a16z's site. We never take the application ourselves.

Is this posting real?

This role has been open
81 days
a16z's roles stay open a median of 81 days
Reposted
No
Salary listed
Yes
100% of a16z's roles list one
Ghost-job risk at a16z
high
16 stale, 0 reposted of 20 open
Hiring momentum
23 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

Measured from postings appearing on and disappearing from a16z's own greenhouse board since 2026-08-03. Full hiring picture for a16z.

About this role

The Staff Security Engineer will focus on automating security processes within a16z's cybersecurity team. This role involves integrating various security tools and data sources, building AI-driven automations, and enhancing the overall efficiency of the security operations. The engineer will work closely with multiple teams to ensure a cohesive security framework that protects the firm and its portfolio companies from sophisticated threats.

Our read on this posting3.4out of 5
benefits
3/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of a16z as an employer.

What you need

  • 5+ years of security engineering experience with a focus on automation and tool-building
  • Strong Python or similar programming skills for building production-quality security tooling
  • Broad security fundamentals across cloud security, detection engineering, identity, and vulnerability management
  • Hands-on experience with LLMs or AI APIs, including integrating AI into workflows
  • Understanding of AI security risks such as prompt injection and data exfiltration
  • Ability to translate technical security concepts for non-technical audiences

What you get

  • Eligible to participate in the a16z carry program
  • Various discretionary bonus programs
  • Health, dental, and vision insurance
  • Disability and life insurance
  • 401K plan
  • Vacation and sick leave

Worth weighing

  • In-office presence required 2 days a week in San Francisco
  • Role involves working with a complex security stack and requires a builder mindset
  • Salary range provided but may vary based on experience and skills

Summarised from a16z's posting. Read the full original.

Listed by a16z on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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