Software Engineer : C/C++, Python scripting, L2/L3 Networking (5-9 Years)

123 Cisco Systems (India) Private Limited; Bengaluru; On-site; INR 1,400,000 - 2,400,000; Full time

Job summary

123 Cisco Systems (India) Private Limited in Bengaluru seeks a Software Engineer to design, develop, and test robust software components for Cisco IOS XE platforms. You will work on control plane and data plane software across switching, routing, wireless, and IIOT products.

The role emphasizes analysis of requirements, writing design docs, and solving complex technical challenges to ensure stable, scalable systems. Cisco values innovation and IP-driven growth, with collaboration across teams.

Qualifications

• Bachelor's degree in related field; five years' experience or Master's degree with three years etc.
• Experience with control plane or data plane software, data structures, and Wireless (802.11ac/ax/be).
• Proficient in C/C++ and networking product development.

Responsibilities

• Design, develop, and test robust, scalable software components and features.
• Design and development of control plane and data plane software for Cisco IOS XE systems.
• Analyze requirements to craft sound software designs and solutions.
• Prepare detailed Design documents and Functional Specifications.
• Diagnose and resolve complex issues to improve system stability and drive process improvement.
• Innovate to contribute IP value and potential patent ideas.

Skills

C/C++

Networking concepts

Linux/RTOS internals

Wireless (802.11ac/ax/be)

Software architecture

Traffic generators/Analyzers (IXIA/Sn)

Education

Bachelor's degree in related field

Master's degree (optional)

PhD (optional)

Tools

IXIA

Sniffer

CCNA

CCNP

CCIE

Job description

Meet the Team Looking forward to getting an exciting start to your career? Catalyst Engineering IOS XE Platform Independent team, designs and develops high-performance system software for various Cisco Platforms which includes Enterprise Switching & Routers, Service Provider Routing Platforms. This is one of the team where we are leading the Enterprise Industry with several innovations; and we are in an exciting phase in the rapidly evolving market. The opportunities here are boundless, and we are sure you will add a character to the dynamism of this team!

Your impact

In your role as a Software Engineer, you will develop and integrate products that are deployed by some of the leading Enterprises in the world. You will work with a BU-wide vibrant technical community, learning from experts and translating this learning into exciting opportunities for personal growth. You will work on IOS XE OS that forms a crucial backbone of many Enterprise devices. You will learn about groundbreaking technologies and platforms while developing software for these equipment’s. Experience the exhilaration of taking a product through development and integration.

Responsibilities

• Design, develop, and test robust, scalable software components and features that meet rigorous technical standards.
• Design and development of control plane and data plane software for Cisco IOSXE Switching, Routing, Wireless, IIOT products.
• Analyse requirements and problem statements to come with right software designs and solutions.
• To be able to write details Design documents and Functional Specifications.
• Diagnose and resolve complex technical issues to ensure optimal system stability, undefined Drive the continuous improvement of development lifecycles, engineering processes, and industry best practices.
• To be able to innovate and come up with new ideas that can lead to filing patents and creating IP value for the company

Minimum Qualifications

• Bachelors + 5 years of related experience, or Masters + 3 years of related experience, or PhD + 0 years of related experience.
• Prior work experience with control plane software or data plane software, data structures, Wireless experience (802.11ac/ax/be), Linux/RTOS/Networking OS internals
• Proficient in writing quality code in C/C++.
• Experience in developing software/firmware for networking products.
• Excellent knowledge of software architecture and system design.
• Experience using Traffic generators/Analyzers such as IXIA/Sniffer is a plus.

Preferred Qualifications

• Hands-on experience with networking protocols (e.g., TCP/IP, BGP, OSPF) and complex systems architecture.
• Good hands-on implementation experience with one or more of the following: High Availability, IPC, Memory management, Distributed communications Infrastructure, Serviceability, Containers, Virtualization
• Proven ability to rapidly acquire new technical skills and adapt to evolving business requirements.
• Cisco Networking certificates such as CCNA, CCNP, CCIE is a plus

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create 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. Fueled by the depth and breadth of our technology, we experiment and create 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.

Cisconians power the future. We make impact as a team, innovating fast and fearlessly to create meaningful solutions on a large scale. The depth and breadth of our technology doesn't just benefit our customers – it also means limitless opportunities for us to experiment and learn. We understand the power each of our unique backgrounds bring when we work together. Because of that, we have a global network of thinkers, doers, experts, and curious creators who help one another do their life’s best work.