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Ada is an AI customer service company that has powered over 5.5 billion interactions for leading brands. The company is seeking a Security and Infrastructure Engineer to own cloud and platform security end-to-end across AWS and Azure, including the security of Ada's agentic AI platform.
This is a senior technical role focused on replacing manual security work with platform capabilities and building guardrails into the product itself. You will set the security bar across Product Development, operate with high autonomy, set technical direction that other senior engineers follow, mentor security engineers, and serve as the senior technical counterpart to engineering and security leadership.
Key responsibilities include architecting and operating security technologies across cloud, network, identity, endpoint, and application layers; defining cloud security reference architectures aligned with zero trust and least privilege principles; owning the technical lifecycle of security tooling including SIEM, CSPM, CIEM, EDR, DLP, and vulnerability management platforms; and building safety guardrails into the agentic AI platform itself.
You will translate compliance and risk requirements into concrete engineering solutions, turn recurring security and infrastructure requests into self-serve tooling, and mentor senior engineers through design reviews and hands-on guidance. The role requires deep hands-on experience with cloud infrastructure, strong experience designing and securing cloud IAM, networking, secrets management, and distributed systems at scale, and extensive experience with infrastructure as code and policy as code.
Experience with or a strong point of view on securing LLM and agentic AI systems is essential, including guardrails, safe tool use, and failure isolation. You will operate independently, own long-term technical initiatives, and carry a share of security-relevant on-call responsibilities.
