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Sr. Engineer, SDET - AI Detection and Response (AIDR) (Hybrid, Sunnyvale)

USA - Sunnyvale, CA💼 Full-time💰 $140,000–$140,000🗓 2026-08-14 → 2026-09-26

Core

Design and implement contract testing frameworks and expand test coverage for AI-native security controls across browser extensions, API gateways, cloud platforms, and agentic systems.

Role type

Senior SDET (Test Automation & Quality Engineering)

Builds

Testing infrastructure, contract testing frameworks, and efficacy testing for LLM models

Domain

Cybersecurity, Cloud SaaS, AI/ML Systems

Deliverable

production ML models | product features

Required skills

Test automation, Contract testing, Distributed systems, Python, Go, Javascript, Cloud architectures, Microservices, CI/CD pipelines, Observability, Performance testing

Preferred skills

AI/ML system testing, LLM application testing, Prompt engineering security, Adversarial testing, Red teaming, Browser extension testing, API gateway testing, Model Context Protocol (MCP), Agentic AI systems

Responsibilities

Design and implement contract testing framework to verify API contracts, Contribute comprehensive test strategies spanning unit, integration, and E2E layers, Establish testing patterns for AI-powered detection capabilities, Develop comprehensive E2E test scenarios for multi-collector deployments, Implement quality telemetry through observability with metrics dashboards and alerting

Seniority

Senior, hands-on IC

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