We are seeking a Senior Security & Test Software Engineer to enhance our Enterprise Agent Development Platform which provides a cloud-native environment for engineering teams to develop AI agents seamlessly. This role involves taking ownership of security functional and performance testing for the A2A gateway ensuring the enforcement of standardized security quality and governance practices across the platform. You will be responsible for designing automating and implementing testing frameworks utilizing Python and will collaborate with engineering teams to instill these vital standards. The position demands expertise in API security testing performance benchmarking and familiarity with tools such as k6 and Locust. You will also conduct trust model gap analysis validate policy correctness and apply threat modeling practices to identify and mitigate risks related to AI agents.