Obsidian Security delivers complete SaaS security—gain control, stop threats, and ensure compliance across all your business apps. Backed by Greylock, Norwest and GV.
About the role
The CISO will own Obsidian's internal security program end-to-end while serving as a visible security leader to our customers, partners, and the broader market. This role reports to the Chief Legal and Trust Officer.
What they're looking for
- 15+ years in information security, with 5+ years in a senior leadership role (CISO, VP/Deputy CISO, Sr. Director of Security, or equivalent)
- Deep experience building and scaling security teams across product security, security architecture, infrastructure protection, and enterprise risk management
- Experience developing AI governance frameworks and familiarity with AI/ML attack surfaces (model poisoning, prompt injection, training data extraction, adversarial inputs, ML supply chain risks)
- Experience operating as a customer-facing security executive, including direct participation in sales cycles, regulated entity security reviews, and audits
- Demonstrated success improving security program maturity using NIST CSF, ISO 27001, or similar frameworks, with measurable results
- Proven ability to present to boards, advise executive leadership, and communicate security posture to customers in support of revenue goals
More about this role
Obsidian Security is a global leader in cyber security protecting the SaaS and non-human identity layer modern enterprises run on — from Salesforce and Snowflake to the AI agents now deployed inside them. The Obsidian Security platform gives unified visibility into every human and machine identity, app, and integration across their SaaS estate, detects identity-based and supply chain attacks in real time, and enforces least-privilege access before it's exploited. Trusted by major Fortune 500 companies T-Mobile, Workday, Snowflake, and S&P Global, Obsidian ranked No. 95 on the 2025 Deloitte Technology Fast 500™, growing nearly 1000% from 2021–2024 — helping CISOs turn an unmonitored attack surface into one they can govern with confidence. Obsidian has also been recognized by Forbes as America's Best Startup Employers in 2026.
In August 2026, Obsidian raised $85 million in Series D financing led by Crescent Cove Advisors, with participation from existing investors including Greylock Partners, Menlo Ventures, Norwest Venture Partners, IVP, Wing Ventures, and GV — pushing Obsidian's valuation to $1.1 billion, crossing into unicorn status. Obsidian is using the funding to deepen its...
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