Senior Security Engineer, Remote in the U.S.

The application window is expected to close on: 11/02/2026 NOTE: Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

Join Cisco's Network Device Security Organization to help protect more than 50 million live network devices! Our portfolio includes routers, switches, access points, wireless LAN controllers, campus gateways, industrial IoT devices, cameras, and sensors. These products help power the world's internet, from autonomous on-premises systems to cloud-managed networks. We bring engineers together to turn security research into practical protections that customers can trust. Work across hardware, firmware, and software, with opportunities to learn, share ideas, and expand security delivery through AI.

Help shape how Cisco designs, reviews, and verifies security across its network device portfolio. Create threat models and review device architectures and code to find weaknesses at their root. Translate recurring weakness classes into secure patterns and reusable engineering controls. Test security claims after implementation, using reproducible evidence to show what works and where gaps remain. Collaborate with engineers across functions, cultures, and geographies in an organization spanning thousands of people, using AI-enabled workflows to improve security delivery.

Minimum Qualifications

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