Security Engineering Leader - Build AI SaaS Defenses

Brain Co.; San Francisco, New York (CA, NY); Hybrid; USD 180,000 - 280,000; Full time

Benefits offered by this job

Competitive salary

Medical, Dental, and Vision (100%)

Paid Maternity and Paternity Leave

401(k)

Daily Lunches + Dinners

Commuter Benefits

Unlimited PTO

Job summary

Brain Co. is hiring a Security Engineering Leader to shape and scale security across a fast-growing AI-native platform. You will partner with the Head of Security to set direction, develop leaders, and translate risk into clear, prioritized work.

The role combines hands-on technical guidance with people leadership in a greenfield environment, with a focus on scalable, repeatable security practices. You’ll lead cross-functional collaboration with engineering and product to embed security into the

Qualifications

• Proven experience leading security teams and coaching leaders.
• Track record building security in SaaS/AI environments.
• Strong ability to translate risk into prioritised work.

Responsibilities

• Set the security engineering roadmap with leadership.
• Automate security workflows and engagement with engineering teams.
• Improve SLAs, KPIs, ownership models, and operating rhythms.
• Drive security domains: vulnerability mgmt, app/infrastructure security, incident response, monitoring, automation.
• Build a scalable security system beyond heroics, and mentor managers.

Skills

Leadership

Security leadership

Vulnerability management

Incident response

Security monitoring

Cloud security

Security architecture

Job description

Brain Co. is hiring a Security Engineering Leader to shape and scale security across a fast-growing AI-native platform. You will partner with the Head of Security to set direction, develop leaders, and translate risk into clear, prioritized work.

The role combines hands-on technical guidance with people leadership in a greenfield environment, with a focus on scalable, repeatable security practices. You’ll lead cross-functional collaboration with engineering and product to embed security into the