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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