# Senior Director, Engineering – Proactive Offense at Horizon3.ai

- Company: Horizon3.ai
- What the company does: Horizon3 uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters. Backed by NEA.
- Company website: https://horizon3.ai/
- Type: Startups (AI role)
- Level: Principal and up
- Location: US, Remote
- Work setup: Remote
- Pay: $315K to $370K base salary per year (USD)
- Posted: 2026-10-26
- Apply by: 2026-12-10
- Apply: https://jobs.ashbyhq.com/horizon3ai/ba45a4fa-1f44-4ec4-9ca2-0677022dc245?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/horizon3-ai-senior-director-engineering-proactive-offense/

## About the role

As Senior Director of Engineering for Proactive Offense, you’ll set the engineering direction and build the organization that turns offensive security research and capabilities into dependable, customer-facing NodeZero products. You’ll lead through engineering managers, technical leaders, and senior individual contributors across multiple teams, balancing technical judgment with organization-wide strategy and execution. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Deep familiarity with offensive security techniques and practices, including vulnerability research, exploit development, attack automation, or red-team operations, and the ability to translate them into scalable product capabilities
- Proficiency in at least one modern programming language such as Python, Go, C++, or C#, with experience building or guiding the development of large-scale software systems
- Strong understanding of platform design, system architecture, and automation pipelines, including CI/CD, containerization, infrastructure as code, and observability practices
- Experience with cloud infrastructure and services such as AWS, Azure, or GCP, and with production SaaS or security platforms
- Familiarity with network protocols, multiple operating systems (including Windows and Linux), and common enterprise technologies
- Working knowledge of databases such as PostgreSQL, Neo4j, or similar, and data-flow design

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/horizon3-ai-senior-director-engineering-proactive-offense/