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Series A · Security Engineer

Series A AI Startup Security Engineer Jobs

There are currently 37 open Security Engineer jobs across 27 Series A AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.

37Open roles
27Companies hiring
Aug 3, 2026Last updated
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Open Security Engineer Roles at Series A AI Startups

RoleCompanyStageLocationPosted
Security Engineering LeadCogent SecuritySeries ARemote USAug 3, 2026
Senior Infrastructure Security Engineer-L3 (Palo Alto & Cloud Operations)GruveSeries AMumbai, Maharashtra, IndiaJul 30, 2026
Senior Infrastructure Security Engineer-L3 (Palo Alto & NGFW)GruveSeries AMumbai, Maharashtra, IndiaJul 30, 2026
Infrastructure Security Engineer-L2 (Palo Alto & NGFW)GruveSeries AMumbai, Maharashtra, IndiaJul 28, 2026
Security Engineer - Corporate Security (Senior)Cogent SecuritySeries ARemote USJul 27, 2026
Security Engineer - Product Security (Senior)Cogent SecuritySeries ARemote USJul 27, 2026
Senior Security EngineerCopperSeries ALondonJul 27, 2026
OT Security Engineer L3GruveSeries APune, Maharashtra, IndiaJul 27, 2026
Infrastructure Security Engineer - WAF,F5 & Palo Alto FirewallGruveSeries AMumbai, Maharashtra, IndiaJul 24, 2026
Senior Security EngineerPacific FusionSeries ASan Leandro, CAJul 20, 2026
Senior Security EngineerngrokSeries AUnited StatesJul 15, 2026
Senior Security EngineerRootlySeries AToronto, CanadaJul 14, 2026
Product Security EngineerDevRevSeries ABangalore, IndiaJul 14, 2026
Security EngineerGeneral MatterSeries ALos Angeles, CAJul 14, 2026
Staff Application Security EngineerThe Nuclear CompanySeries AWashington, DCJul 13, 2026
Staff Cloud Security EngineerThe Nuclear CompanySeries AWashingto, DCJul 13, 2026
Founding Security EngineerMeshySeries ABay Area OfficeJul 10, 2026
Senior Application Security EngineerFabricSeries AUnited States - RemoteJul 8, 2026
DevOps & Security EngineerStudyFetchSeries ABeverly Hills, CAJul 6, 2026
Security EngineerHeyGenSeries ASan Francisco, Palo Alto, TorontoJun 30, 2026
Lead Security EngineerNuvoSeries ASan Francisco, United StatesJun 24, 2026
Security EngineerSimularSeries ASingaporeJun 18, 2026
MTS - Security EngineeringThe Interaction Company of CaliforniaSeries APalo Alto, CaliforniaJun 10, 2026
Senior Product Security Engineer7AISeries ABoston, MAJun 9, 2026
Security Engineer, PlatformResendSeries AAmericasJun 3, 2026
Security Engineer, PlatformResendSeries AEuropeJun 3, 2026
Principal Security Engineer - AI7AISeries ABoston, MAMay 28, 2026
Senior Security Engineer - AI7AISeries ABoston, MAMay 27, 2026
Security EngineerStackOneSeries ALondonMay 20, 2026
Security EngineerFirefliesSeries AVancouver, CanadaMay 6, 2026
Platform Security EngineerApplied ComputeSeries ASan FranciscoMay 4, 2026
Lead Security EngineerRemoFirstSeries ABulgariaMar 12, 2026
Security EngineerGigaMLSeries ASan FranciscoFeb 20, 2026
Founding Security EngineerRicursive IntelligenceSeries APalo AltoJan 19, 2026
Security EngineerTempoSeries AUSA (Remote)Jan 12, 2026
Founding Product Security EngineerLMArenaSeries ABay AreaDec 18, 2025
Security EngineerMethod SecuritySeries ANew York City OfficeAug 26, 2025
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FAQ

How many Security Engineer jobs are open at Series A AI startups?

There are currently 37 open Security Engineer jobs across 27 Series A AI startups on Fast AI Jobs.

Why filter Security Engineer jobs by funding stage?

Funding stage signals company size, runway, and equity upside. Filtering to Series A startups narrows the list to Security Engineer roles at companies at a comparable point in their growth.

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.