Senior Platform Engineer - Security

About the job This role is being recruited by CoffeeSpace on behalf of an anonymous conversational AI platform company, building advanced AI agents for enterprise customer interactions. We’re identifying a small number of exceptional platform engineers from our network. If there’s a strong fit, we’ll introduce you directly to the engineering leadership team. Location: San Francisco, California, United States or New York, New York, United States Compensation: $200K - $330K base + competitive equity Employment type: Full-time Visa: Visa sponsorship available About the company This company is a leading conversational AI platform that enables enterprises to deliver personalized customer experiences across various channels, including voice, chat, email, and SMS. Their technology is trusted by industry-defining brands like Avis Budget Group, Cash App, and Chime to enhance customer interactions. The organization is backed by renowned investors such as a16z, Accel, and Bain Capital Ventures, and focuses on redefining customer experiences from traditional support to more engaging and efficient interactions. About the role As the first Platform Security Engineer, you will design and operate the security infrastructure for the company's AI platform. This role involves creating secure systems, developing security tooling, and implementing infrastructure-as-code practices to ensure robust security measures for enterprise customers. Your work will directly impact the company's ability to secure high-value deals with security-conscious enterprises by building a secure platform that supports AI model serving and customer data isolation. What You’ll Do Design and implement secure, multi-tenant infrastructure for AI model servingDevelop "golden paths" for security, including service templates and automationManage infrastructure-as-code and GitOps best practicesEnhance platforms for alerting detection, secrets management, and IAMCollaborate with teams to meet compliance requirements like SOC 2 and GDPRParticipate in security on-call and improve incident response processes Why This Role Is Compelling Join a fast-growing company with over 100 enterprise customersWork on cutting-edge security infrastructure for conversational AIInfluence the technical direction of the security programCollaborate with top-tier enterprise brands and investors The Ideal Candidate 5+ years in production infrastructure with a focus on securityExpertise in Google Cloud Platform or AWSProficient in infrastructure-as-code tools like TerraformStrong coding skills in Python, Go, or TypeScriptExperience with Kubernetes security and observability tools Even Better Experience as an early or founding platform/security engineerFamiliarity with enterprise compliance and security tooling Next steps 1. Apply via this LinkedIn job post2. We’ll review and reach out if there’s a strong match3. If aligned, we’ll introduce you directly to the team4. If this role isn’t the right fit, we may suggest and make introductions to other high-signal startup roles we’re recruiting for, always with your permission. A quick note on authenticity This is a real, active role that CoffeeSpace is recruiting for in close partnership with the hiring team. We don’t post speculative roles and work directly with teams on their actual hiring needs.