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Security Engineer roles

Security Engineer Jobs at AI Startups

There are currently 407 open Security Engineer jobs across 234 AI startups. 30% of these roles are at early-stage (Pre-Seed through Series B) companies. Every listing links straight to the company's official application page.

407Open roles
234Companies hiring
Oct 29, 2026Last updated
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Series B 71 (17%)Series C 62 (15%)Series G+ 52 (13%)Series D 48 (12%)Series A 45 (11%)Debt 32 (8%)Series E 30 (7%)Growth 22 (5%)Series F 19 (5%)Private Equity 17 (4%)Seed 6 (1%)Bootstrapped 2 (0%)Later Stage VC 1 (0%)
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Open Security Engineer Roles

RoleCompanyStageLocationPosted
Mission Security EngineerApex SpaceGrowthLos AngelesOct 29, 2026
Senior Security Engineer (OT)AndurilSeries G+Multiple locationsOct 29, 2026
Staff / Senior Data Center Security EngineerAnthropicSeries G+Multiple locationsOct 29, 2026
Staff AppSec / Product Security EngineerFiligranSeries CFranceOct 29, 2026
Cloud Security Engineerincident.ioSeries BLondonOct 29, 2026
Platform Security EngineerGleanSeries FUS RemoteOct 29, 2026
Senior Data Security EngineerSkydioSeries FSan Mateo, California, United StatesOct 29, 2026
Staff Application Security EngineerTemporalSeries EMultiple locationsOct 29, 2026
Senior Product Security EngineerCyeraSeries G+Tel AvivOct 28, 2026
System Security Engineer, SpaceAndurilSeries G+Multiple locationsOct 28, 2026
Product Security EngineerBugcrowdDebtMultiple locationsOct 28, 2026
Security EngineerGrammarlyDebtMultiple locationsOct 28, 2026
Staff Product Security EngineerHarveySeries G+Multiple locationsOct 28, 2026
Security Engineer, Application SecurityFigure AISeries CMultiple locationsOct 28, 2026
Security Engineer, Detection and ResponseFigure AISeries CMultiple locationsOct 28, 2026
Security Engineer, Enterprise SecurityFigure AISeries CMultiple locationsOct 28, 2026
Security Engineer, Infrastructure SecurityFigure AISeries CMultiple locationsOct 28, 2026
Security Engineer, Product and Device SecurityFigure AISeries CMultiple locationsOct 28, 2026
Spring 2027 Security Engineer InternThe Nuclear CompanySeries AWashington, D.C.Oct 28, 2026
Principal Embedded Systems Security EngineerTrue AnomalySeries DMultiple locationsOct 28, 2026
Senior Security Engineer | AppSecWellhubSeries FMultiple locationsOct 28, 2026
Senior Security Engineer | CloudSecWellhubSeries FMultiple locationsOct 28, 2026
Senior Security EngineerRootlySeries AToronto, CanadaOct 27, 2026
Chief Information Security OfficerAndurilSeries G+Multiple locationsOct 27, 2026
IT Security Engineer, SpaceAndurilSeries G+Multiple locationsOct 27, 2026
Autonomous Systems Security EngineerAnthropicSeries G+Multiple locationsOct 27, 2026
Product Security EngineerBugcrowdDebtRemote (India)Oct 27, 2026
Senior Security EngineerLumosSeries BUnited StatesOct 27, 2026
Red Team Security EngineerMotiveGrowthUnited KingdomOct 27, 2026
Staff Security EngineerRoxSeries BSan FranciscoOct 27, 2026
Cyber Security EngineerNerosSeries CMultiple locationsOct 27, 2026
Principal Infrastructure Security EngineerRidgelineSeries EMultiple locationsOct 27, 2026
Security Engineer, Detection & ResponseThinking Machines LabSeedSan FranciscoOct 27, 2026
Senior Network Security EngineerValar AtomicsSeries BMultiple locationsOct 27, 2026
Lead Security EngineerNuvoSeries ASan Francisco, United StatesOct 26, 2026
Staff Product Security EngineerAirwallexSeries G+US - San FranciscoOct 26, 2026
Founding Security EngineerArtificial Intelligence Underwriting Company (AIUC)Series ASan FranciscoOct 26, 2026
Security EngineerCoinflow LabsSeries AMultiple locationsOct 26, 2026
Staff + Software Security Engineer, LabsAnthropicSeries G+Multiple locationsOct 26, 2026
Infrastructure Security Engineer-L2 (Palo Alto & NGFW)GruveSeries AMultiple locationsOct 26, 2026
Network Security EngineerGruveSeries AMultiple locationsOct 26, 2026
Senior Infrastructure Security Engineer-L3 (Palo Alto & NGFW)GruveSeries AMultiple locationsOct 26, 2026
Security Engineer (Corporate Security), LondonIsomorphic LabsSeries BLondonOct 26, 2026
Sr. Security EngineerIstari DigitalSeries BAnywhere - USOct 26, 2026
Senior/Staff Security EngineerngrokSeries AMultiple locationsOct 26, 2026
Cloud Security Engineer 🇦🇷The Mobile-First CompanySeedBuenos AiresOct 26, 2026
Security Engineer, Device/HardwareMotiveGrowthMultiple locationsOct 25, 2026
Senior Network Security EngineerMuon SpaceSeries CMultiple locationsOct 25, 2026
Senior Security EngineerMuon SpaceSeries CRemoteOct 25, 2026
Staff Security EngineerQuinceSeries EMultiple locationsOct 25, 2026
View all 407 Security Engineer jobs
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FAQ

How many Security Engineer jobs are open at AI startups?

There are currently 407 open Security Engineer jobs across 234 AI startups on Fast AI Jobs.

What funding stages are hiring Security Engineers?

30% of open Security Engineer roles are at early-stage (Pre-Seed through Series B) startups, with the remainder at later-stage and growth companies.

How often is this Security Engineer list updated?

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