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Sr. Security Engineer, Proactive Security

Seattle, Washington, United States💼 Full-time💰 $178,400–$226,700🗓 2026-09-24 → 2026-09-25

Core

Sr. Application Security Engineer responsible for validating AWS services and applications against highest security standards through analysis, automation, and threat response.

Role type

Senior IC application security engineer

Builds

Secure cloud services, applications, and websites for AWS customers

Domain

Cloud security, application security, IoT, identity and access management

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure

Required skills

Application security frameworks, secure SDLC, scripting/programming, threat modeling, penetration testing, mobile security, cloud security, incident response, OWASP knowledge, network security concepts

Preferred skills

Security in microservices, device security/firmware debugging, fuzzing, static/dynamic code analysis, security assurance methodologies

Technologies

Scala, Java, Python, C/C++, Go, AWS, TCP/UDP, TLS, Firewalls, Wi-Fi

Responsibilities

Conduct application security reviews (architecture, threat modeling, code review, testing), perform mobile security reviews, build security automation, deliver security metrics and process improvements, provide security training and guidance to development teams

Seniority

Senior, hands-on IC with mentorship responsibilities

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