Software Engineer, SD-WAN Security

The application window is expected to close on: 09/08/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received .

Meet the Team The internet became a reality because of Cisco and its intelligent innovations in WAN engineering over multiple decades. Today, we are evolving our industry-leading, service-rich SD-WAN solution by building integrated multi-cloud and SASE solutions for our customers. Our technology provide s secure connectivity for users and devices from anywhere in the world to their favorite applications—whether running in the cloud, on-premise , or SaaS.

We offer the opportunity to learn and innovate across a vast technology landscape, including Routing, Security, Analytics, Telemetry, Distributed Systems, Machine Learning, and many other areas. Join us and be part of a high-energy team helping transform and build the intelligent internet.

Your Impact We are seeking a highly skilled Software Development Engineer to join our SD-WAN Security Engineering team, which is responsible for securing the SD-WAN fabric that operates globally at a massive scale. In this role, you will work at the forefront of ground-breaking security technologies in enterprise routers that connect cloud infrastructure and applications.

You will be responsible for developing and integrating advanced security features, including Firewall, IPS/IDS, Content Filtering, File Inspection, and various other next-generation firewall capabilities.

• Design and develop robust security software for Cisco’s routing portfolio, supporting diverse deployment modes.

• Collaborate closely with Product Managers and Architects on roadmaps and priorities to build the next-generation firewall features.

• Write clean, maintainable code with unit tests; perform code reviews and contribute to secure coding practices.

• Drive high-quality execution by distilling complex technical challenges into elegant, maintainable solutions; author functional and design specifications.

• Mentor and guide junior team members in a player-coach model, fostering professional growth and technical excellence.

• Use modern development workflows including AI‑assisted coding tools and VSCode .

• Bachelors + 5 years of related experience, or Masters + 3 years of related experience, or PhD + 0 years of related experience.

• Working experience of C/C++ and Python programming, with a strong focus on developing efficient algorithms and optimized code.

• Professional experience or related coursework within Network Security domains and common deployment scenarios.

• Professional experience or related coursework in concepts such as Layer 3 and Layer 4 networking technologies and services.

• Previous experience debugging, troubleshooting, and embedded software development.

• Experience with AI assisted development tools such as Copilot, Claude , Codex or similar technologies to improve engineering productivity and code quality.

• Experience working in cross‑functional and distributed teams.

• Ability to adapt quickly and deliver effectively in a fast-paced, evolving environment with changing priorities and technologies.

• Demonstrated agility in learning new tools, technologies, and domains with strong problem-solving and analytical capabilities.

• Highly self-motivated with a passion for innovation and developing creative solutions.

The starting salary range posted for this position is $128,600.00 to $184,900.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits.