Senior Information Security Engineer

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are looking for a Senior Information Security Engineer to join our growing Security Risk Management team. The Security Risk Management team aims to expand beyond traditional risk management; we are building an engineering driven program that designs, automates, and scales the controls, workflows, and tooling that protect Five9 and our customers. As a key contributor to the program the role supports the day-to-day execution of risk identification, assessment, treatment, and reporting across Five9's infrastructure, services, and acquisitions. You'll work directly with engineering, operations, and business stakeholders to surface security risks, drive them toward resolution, and maintain a clear picture of Five9's risk posture for leadership. Key Responsibilities: Identify, document, and assess security risks across Five9's environment, including production infrastructure, cloud services, corporate systems, and acquired platforms Maintain the Security Risk Register in Jira, ensuring risks are accurately categorized, assigned to appropriate owners, and tracked through their lifecycle Engage with service owners, engineering leads, and operations teams to establish risk ownership and drive remediation or mitigation plans Facilitate the risk acceptance process, including preparing risk acceptance documentation and coordinating approval with appropriate stakeholders Develop and deliver risk reporting for security leadership and executive audiences, including dashboards and metrics that communicate risk posture clearly Collaborate with compliance, v