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Security Engineer · Seattle

Security Engineer Jobs in Seattle

There are currently 39 open Security Engineer jobs in Seattle across 16 AI startups. 26% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.

39Open roles
16Companies hiring
Aug 21, 2026Last updated
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Funding-stage mix

Series G+ 15 (38%)Series B 9 (23%)Growth 6 (15%)Debt 3 (8%)Series C 3 (8%)Series D 2 (5%)Series A 1 (3%)
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Open Security Engineer Roles in Seattle

RoleCompanyStageLocationPosted
Senior Security Engineer, IdentityAndurilSeries G+Costa Mesa, California, United StatesAug 21, 2026
Offensive Hardware Security Engineer, Platform SecurityAnthropicSeries G+San Francisco, CAAug 21, 2026
Platform Security Engineering, Operating SystemsAnthropicSeries G+San Francisco, CAAug 21, 2026
Platform Security Engineer, OpenBMCAnthropicSeries G+San Francisco, CAAug 21, 2026
Security Engineer, Corporate SecurityAnthropicSeries G+San Francisco, CAAug 21, 2026
Security Engineer, Detection & ResponseAnthropicSeries G+San Francisco, CAAug 21, 2026
Senior Software Security EngineerAnthropicSeries G+San Francisco, CAAug 21, 2026
Software Security Engineering Manager, Secure FrameworksAnthropicSeries G+San Francisco, CAAug 21, 2026
Staff+ Application Security EngineerAnthropicSeries G+Remote (Friendly (Travel-Required))Aug 21, 2026
Staff+ Application Security Engineer - M&AAnthropicSeries G+Remote (Friendly (Travel-Required))Aug 21, 2026
Staff+ Security Engineer, Risk EngineeringAnthropicSeries G+San Francisco, CAAug 21, 2026
Staff+ Software Security EngineerAnthropicSeries G+San Francisco, CAAug 21, 2026
Browser Security EngineerKernelSeries ASan FranciscoAug 13, 2026
Product Security EngineerGrammarlyDebtHub - SeattleAug 6, 2026
Senior Security EngineerArmadaSeries BBellevue Office, Sunset Corporate CampusAug 5, 2026
Security Engineer, Detection & ResponseScale AISeries G+New York, NYAug 4, 2026
Security Engineer, InfrastructureScale AISeries G+New York, NYAug 4, 2026
Security Engineer, Product SecurityScale AISeries G+New York, NYAug 4, 2026
Security engineer, detection and responseWriterSeries CSan Francisco, CAJul 30, 2026
Security Engineer, Full StackHadrianSeries CLos Angeles, CAJul 20, 2026
Physical Security Engineer, R&DFluidStackSeries BAustin, TXJul 17, 2026
Security Engineer, Corp ITFluidStackSeries BAustin, TXJul 17, 2026
Security Engineer, NetworkFluidStackSeries BAustin, TXJul 17, 2026
Security Engineer, Bare MetalFluidStackSeries BNew York, NYJul 17, 2026
Security EngineerLambdaDebtSan Francisco Office (Fremont St)Jul 16, 2026
Senior Security Engineer (Product)HeadwaySeries DNew York, NYJul 8, 2026
Security EngineerNooksSeries BSan FranciscoJun 30, 2026
Platform Security EngineerGrammarlyDebtHub - San FranciscoJun 23, 2026
Security engineer, application securityWriterSeries CNew York City, NYMay 11, 2026
Engineering Manager - Security EngineeringAircallSeries DSeattle OfficeApr 30, 2026
Security Engineer, InfrastructureFluidStackSeries BNew York, NYApr 2, 2026
Security Engineer, Host AssuranceOpenAIGrowthSan FranciscoApr 1, 2026
Security EngineerAugerSeries BBellevue, United StatesMar 27, 2026
Principal Security Engineer, Infrastructure SecurityOpenAIGrowthUS - RemoteMar 25, 2026
Product Security EngineerOverland AISeries BSeattle, WAMar 16, 2026
Security Engineer, Detection and ResponseOpenAIGrowthSan FranciscoJan 28, 2026
Security Engineer, Insider Threat Detection & ResponseOpenAIGrowthSan FranciscoNov 19, 2025
Offensive Security Engineer, Agent ProductsOpenAIGrowthUS - RemoteOct 28, 2025
Security Engineer, Infrastructure SecurityOpenAIGrowthUS - RemoteOct 6, 2025
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FAQ

How many Security Engineer jobs are open in Seattle?

There are currently 39 open Security Engineer jobs in Seattle across 16 AI startups on Fast AI Jobs.

What funding stages are hiring Security Engineers in Seattle?

26% of open Security Engineer roles in Seattle are at Series A–B startups, with the rest spread across seed and later-stage companies.

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.