Staff Platform Security Engineer Office of the CISO

Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happens—platforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Our team includes leaders who helped define the categories of endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, we're transforming how SaaS is secured—in the era of agentic AI. Today, Obsidian is trusted by global enterprises like Snowflake, T-Mobile, and Pure Storage. We protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand—including many of the world's largest Fortune 1000 and Global 2000 companies. With strong global momentum, a growing partner ecosystem including SentinelOne, Databricks, and Google Cloud, and a major fundraise on the horizon, we're scaling quickly toward long-term growth and IPO readiness. Join us as we define the future of SaaS security! Staff Platform Security Engineer - Office of the CISO Position Overview: We're looking for a Staff Platform Security Engineer to join our team and help drive our product security to the next level and beyond. The ideal candidate for the role will be a highly technical, passionate, team-oriented professional who can evolve our security infrastructure and platform security, embedding secure practices into every layer of our product platform and operations. In this strategic and hands-on role, you will architect, implement, and scale robust security automation, policy enforcement, and threat detection systems across our CI/CD pipelines, data pipelines, and cloud infrastructure and environments. You'll be instrumental in shaping how security is integrated into software development and operations, driving security visibility, reliability, and trust at global scale. The ideal person for this role must be mission and values-driven, must have an ownership mentality, and must put the well-being of our customers, our teammates, and our organization at the fore

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