Lumos rebuilt identity for the agentic era, giving you agents that continuously govern access for every human, NHI, and AI in your business, so you stay safe and move fast. Backed by a16z.
About the role
As a Senior Security Engineer at Lumos, you’ll shape the identity platform thousands of IT and security teams rely on to protect their data. You’ll build the security foundations every Lumos product runs on and be a trusted voice when our largest customers ask how we keep them safe. Design and ship core security platform systems in the Lumos codebase, such as request context propagation across services, scoped API tokens, our authorization service, and decoupling authentication from synced identities. Found on 1752vc Careers, the job board for startup and VC roles.
More about this role
Lumos ( lumos.com ) helps every company run a workforce of humans and AI agents safely.
As agents run more autonomously, companies need to know what they can access and control what they can do. Lumos is the identity platform for the agent era. We manage access for every human, machine and AI agent in one place. That way, companies can put AI to work across their business with confidence.
We serve Fortune 500 and high-growth technology companies, including Colgate-Palmolive, Johnson & Johnson and GitHub. Lumos is backed by Andreessen Horowitz, Scale Venture Partners and Neo, along with leaders from OpenAI, Google, Salesforce and Anthropic.
🚀 Jump on a rocketship. Since launching out of stealth in April 2022, we've grown from 20 to ~130 Alchemists.
⭐ Customers love us — and so does the industry. Named a Strong Performer in the 2026 Gartner Voice of the Customer for IGA — 4.7/5, with 96% of reviewers saying they'd recommend us. Our customers cut time-to-access by 98%, slash IT tickets by 72%, and eliminate excess privilege at scale.
🏆 A culture worth joining. Three years running on Forbes' Top 100 Best Startup Employers in America (2024, 2025, 2026) — measured on culture, retention,...
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