Senior Security Engineer - Cloud & Data Security

About the role

Sigma is seeking a Senior Security Engineer to join our growing Cyber Security team. As a Senior Security Engineer, you will advance Sigma's Security strategy by shaping and evolving security architecture in alignment with business objectives. As a Senior Engineer, you will be focused on our Cloud/SaaS Security, Identity Access & Management, Cloud Data Security, & AI Enablement. This role requires a blend of hands-on technical expertise, strategic program development, and strong cross-functional collaboration. We are looking for a builder and defender-someone who thrives in complex cloud-native environments, embraces automation ("let the robots do the work"), and has the strong vision to scale cloud security and for a fast-moving SaaS company. If you are passionate about staying ahead of attackers, and building innovative security technologies, we want to hear from you. Sigma is the AI Apps and agentic analytics platform built on the cloud data warehouse. Business and technical teams use Sigma to explore live data, build intelligent applications, and automate critical workflows all without moving data or breaking governance. Sigma supports a spreadsheet interface, SQL, Python, and native AI in a single governed workspace, giving every team the speed to act and IT the control to scale. Sigma is trusted by more than 2,000 customers, including AMD, Duolingo, Colgate-Palmolive, and JPMorgan Chase. Sigma announced its $80M in Series E financing in May 2026. The round was led by Princeville Capital, with new strategic investors Databricks Ventures, ServiceNow Ventures, and Workday Ventures participating alongside returning investors Altimeter Capital, Avenir Growth Capital, D1 Capital Partners, K5 Global, NewView Capital, Spark Capital, Sutter Hill Ventures, and XN. This milestone fol