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Lead · Security Engineer

Lead Security Engineer Jobs

There are currently 15 open Lead Security Engineer jobs across 15 AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.

15Open roles
15Companies hiring
Jun 15, 2026Last updated
01

Open Lead Security Engineer Roles

RoleCompanyStageLocationPosted
Lead Cloud Security/AppSec EngineerFlagship PioneeringSeries CCambridge, MA USAJun 15, 2026
Lead Security EngineerLiberateSeries BBostonJun 14, 2026
Principal Infrastructure Security EngineerCrusoeDebtSan Francisco, CA - USJun 9, 2026
Principal Security EngineerCandid HealthSeries CSan Francisco (CA), Denver (CO), New York (NY)Jun 8, 2026
Principal Offensive Security EngineerPostmanSeries DSan Francisco, California, United StatesJun 8, 2026
Security Engineering LeadMeckaSeries ANew YorkJun 1, 2026
Principal Security Engineer - AI7AISeries ABoston, MAMay 28, 2026
Principal Security EngineerRunPodSeedUS RemoteMay 5, 2026
Corporate Security Engineer, LeadSierraSeries ESan Francisco, CAMay 1, 2026
Security Engineering LeadNorthwood SpaceSeries BTorrance, CAApr 21, 2026
Lead Application Security EngineerAdaptive SecuritySeries BNYCApr 16, 2026
Lead Security EngineerPeriodic LabsSeedMenlo ParkApr 15, 2026
Principal Security Engineer, Infrastructure SecurityOpenAIGrowthUS RemoteMar 25, 2026
Lead Security EngineerRemoFirstSeries ABulgariaMar 12, 2026
Lead Security EngineerCodeRabbitSeries BSan FranciscoJan 7, 2026
02

FAQ

How many Lead Security Engineer jobs are open at AI startups?

There are currently 15 open Lead Security Engineer jobs across 15 AI startups on Fast AI Jobs.

How is the Lead level determined?

Seniority is parsed from the job title. A role is included here when its title signals the Lead level (e.g. "Lead Security Engineer").

How often is this list updated?

Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.