Software Engineer – Networking (C / Linux, L2 / L3 Protocols, SDK Development)

We’re Hiring : Software Engineer – Enterprise Switching (C / Linux, L2 / L3 Protocols | 4–8 years)

At Cisco, the Enterprise Switching organization is building the backbone of the modern network with our industry-leading Catalyst Cat9000 series . These switches power the world’s most critical networks—supporting hybrid work, AI / ML-driven security, cloud integrations, and groundbreaking innovations in enterprise connectivity.

What you’ll do :

You’ll be part of a world-class team creating technologies that redefine enterprise networking. From hospitals and financial institutions to global enterprises, your work will directly impact how organizations stay connected, secure, and agile. You’ll :

Develop and integrate next-gen software in C / Linux for Cisco’s switching platforms.

Work with L2 / L3 protocols, routing (IPv4 / 6, multicast / unicast) and networking fundamentals.

Contribute to SDK development , packet processing (DPDK, P4), and hardware platforms (ASICs, FPGAs, NPUs).

Innovate with Linux OS, RTOS internals, virtualization, containers, HA, and distributed systems .

Collaborate with a BU-wide community of experts while growing your technical depth.

✅ Minimum Qualifications :

4–8 years of experience in networking technologies and applications.

Strong C programming in multi-threaded environments.

Hands-on with data structures, operating systems, and networking fundamentals .

Familiarity with Cisco OS (XR, XE, NX-OS) is a plus.

Bachelor’s in Computer Science or related field (Master’s preferred).

Why Cisco?

At Cisco, we don’t just connect networks—we connect people. Our #WeAreCisco culture celebrates diversity, inclusion, and innovation. You’ll find :

80 hours of paid volunteer time yearly.

30+ employee resource groups fostering belonging and growth.

Endless opportunities to explore new technologies and career paths.

Be part of the team redefining enterprise networking for decades to come. Take your next step and be you, with us!

Apply here : https : / / jobs.cisco.com / jobs / ProjectDetail / Software-Engineer-Enterprise-Switching-C-Linux-L2-L3-Protocols-Networking-platform-development-PHY-drivers-SERDES-SFP-4-8-years / 1447749

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