Senior Security Engineer
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Job Description
Senior Security Engineer protecting Cisco’s network-device portfolio through threat modeling, code review, and reproducible security testing. Improving embedded and IoT security across hardware, firmware, and device lifecycles.
Responsibilities:
- Shape how Cisco designs, reviews, and verifies security across its network-device portfolio
- Create threat models and review device architectures and code to identify root weaknesses
- Translate recurring weakness classes into secure patterns and reusable engineering controls
- Test security claims after implementation using reproducible evidence
- Demonstrate what works and where security gaps remain
- Collaborate with engineers across functions, cultures, and geographies
- Use AI-enabled workflows to improve security delivery
- Help protect Cisco routers, switches, access points, wireless LAN controllers, campus gateways, industrial IoT devices, cameras, and sensors
Requirements:
- Bachelor’s degree in computer science, engineering, or a related technical field with 7 years of related experience; or a master’s degree with 4 years; or a PhD with 1 year
- CSSLP certification preferably complemented
- Experience delivering threat models, security reviews, reusable controls or patterns, test cases, and reproducible evidence
- Experience assessing and improving embedded or IoT network-device security across hardware, firmware, and the device lifecycle
- Experience with C/C++ code review
- Experience with device security testing
- Experience with security tooling in Python or a comparable language
- Experience using CWE hardware and software weakness hierarchies
- Experience applying MITRE EMB3D, OWASP IoT guidance, or comparable device-security frameworks
- Preferred: collaboration across functions, cultures, and geographies in large matrix organizations
- Preferred: systems thinking and risk-exposure prioritization
- Preferred: agentic workflows integrating models, tools, and engineering data
- Preferred: static-analysis rules, secure APIs or wrappers, and CI/CD guardrails
- Preferred: evaluating precision, coverage, and adoption across repositories or product families
Benefits:
- Medical, dental and vision insurance
- 401(k) plan with a Cisco matching contribution
- Paid parental leave
- Short- and long-term disability coverage
- Basic life insurance
- Cisco restricted stock unit grants may be available, subject to continued employment and vesting periods
- 10 paid holidays per full calendar year
- 1 floating holiday for non-exempt employees
- 1 paid day off for employee’s birthday
- Paid year-end holiday shutdown
- 4 paid days off for personal wellness
- 16 days of paid vacation per full calendar year for non-exempt employees
- Flexible vacation time off program with no defined limit for eligible exempt employees
- 80 hours of sick time off provided on hire date and each January 1st thereafter
- Up to 80 hours of unused sick time carried forward between calendar years
- Additional paid time away for critical or emergency family issues
- Optional 10 paid volunteer days per full calendar year
- Annual bonuses for non-sales roles, subject to Cisco’s policies
- Opportunities to grow and build across Cisco’s worldwide network
- AI-enabled workflows and opportunities to learn, share ideas, and expand security delivery
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