Software Test Engineer | Python Scripting , Networking fundamentals (TCP/IP, multicast, switching, forwarding) | 4-8 years

Meet the Team

Cisco’s Distributed Systems Engineering (DSE) team builds the foundational software that powers the world’s largest, most fast paced data centers. The PI-Common team

is at the core if this, as we build the routing protocols and infra, that are the heart of data centers. As AI/ML workloads explode and cloud-scale infrastructure becomes the norm, the industry is transforming—and Cisco is owning the way.

Our NX-OS operating system, running on industry-leading Cisco Nexus switches, delivers the performance, programmability, and reliability needed for modern data center networks. At DSE, we combine open-source innovation, deep systems engineering, and hardware-software co-design to build platforms that scale globally and evolve rapidly.

We’re looking for hard-working engineers who thrive on solving sophisticated problems, building distributed systems, and working hands-on with real-world infrastructure.

Your Impact

You’ll be part of a high-performing team driving innovation across Cisco’s data center portfolio, which includes Nexus 9000 series switches, NX-OS, and technologies like Routing Protocols, Routing Infra, Virtualization, VXLAN EVPN, segment routing, and telemetry. You’ll engage closely with senior engineers, architects, and open-source communities, influencing product direction and technical strategy.

Minimum Qualifications (Provide Up To Five (5) Bullet Points

• B.E./ BTech in Computer Science, ECE, or a related field
• 4–8 years of software development testing experience
• Strong proficiency in Python Scripting
• In-depth understanding of routing protocols such as OSPF, ISIS, MCAST, EIGRP, Segment Routing
• Solid grasp of networking fundamentals (TCP/IP, multicast, switching, forwarding)
• Experience working with or developing for NX-OS or similar network operating systems
• Familiarity with YANG, SNMP, or model-driven telemetry
• Strong problem-solving and debugging skills
• Excellent communication and teamwork skills
  
  

Preferred Qualifications (Provide up to five (5) bullet points:

• Exposure to data center protocols such as Routing, VXLAN, EVPN, or segment routing,
• Exposure to open-source tools, network automation, or configuration frameworks
• Prior experience building infrastructure at scale
• Cisco PYATS hands-on experience
• Basic of AI/ML and Exposure to AI tools for network automation
  
  

#WeAreCisco

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating confidently for 40 years to build solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Simply put – we power the future.

Fueled by the depth and breadth of our technology, we experiment and build meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.