Capgemini
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Chennai · On-site · 6-9 Yrs · Nov 2
Enterprise Software & Network Solutions · 10000+ Employees · Paris, France
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion. Capgemini in India comprises nearly 175,000 team members working across 13 locations: Bangalore, Bhubaneswar, Chennai, Coimbatore, Gandhinagar, Gurugram, Hyderabad, Kolkata, Mumbai, Noida, Pune, Salem and Tiruchirappalli. Get The Future You Want | Learn more about Capgemini in India at www.capgemini.com/in-en.
Hiring: Engineering, Marketing, Human resources
What employees say
+ Good company to begin your career as a fresher and retire as an experienced professional
− Not a good org in the middle band, as limited career growth opportunities and pay hike is minimal as compared to market standards
More reviews on the company profile.
Interview experience · Senior Consultant
I attended a walk in interview drive. The arrangement was good and the panel was knowledgeable. The questions were moderately difficult and there was two technical rounds, followed by a HR round.
Average difficulty · India · 17,487 reports
More interview insightsJob description
Overview
Join a high-performing networking engineering team responsible for building carrier-grade and enterprise networking solutions.
Responsibilities
- You will be responsible for developing, enhancing, and maintaining networking software components and protocol stacks on Linux-based platforms. The role requires strong expertise in C/C++, networking protocols, packet processing, and protocol troubleshooting across complex network environments.
- We are looking for professionals with 6–16 years of experience in networking software development, specializing in Layer-2 and Layer-3 protocol development using C/C++.
- Develop and enhance routing, switching, and Ethernet-based features for enterprise and carrier-grade networking products.
- Implement, integrate, and optimize Layer-2 protocols including Ethernet, VLAN, STP/RSTP/MSTP, LACP, LLDP, and MPLS.
- Develop and maintain Layer-3 networking protocols such as IPv4/IPv6, OSPF, BGP, IS-IS, RIP, and VRRP.
- Design protocol state machines, control plane modules, forwarding plane functionalities, and packet processing features.
- Optimize networking applications for high throughput, low latency, scalability, and reliability.
- Develop networking solutions on Linux-based platforms and embedded network operating systems.
- Perform interoperability testing and troubleshoot complex networking issues in multi-vendor environments.
- Analyze packet captures using Wireshark, tcpdump, and protocol analyzers to identify and resolve defects.
- Develop software using socket programming, IPC mechanisms, and multithreaded architectures.
- Participate in architecture reviews, technical discussions, code reviews, and system integration activities.
- Collaborate with product management, QA, system architects, and support teams to deliver high-quality networking solutions.
- Prepare technical documentation, design specifications, test plans, and release notes.
Qualifications
- Strong programming experience in C and C++.
- Hands-on experience in Layer-2 and Layer-3 protocol development.
- Good understanding of Ethernet switching and routing technologies.
- Experience with protocols such as VLAN, STP/RSTP/MSTP, LACP, LLDP, MPLS, OSPF, BGP, IS-IS, RIP, and VRRP.
- Strong knowledge of TCP/IP networking fundamentals and packet processing.
- Experience with Linux-based networking application development.
- Hands-on expertise in socket programming, IPC, and multithreading.
- Strong debugging and troubleshooting skills using Wireshark, tcpdump, and protocol analyzers.
- Understanding of networking architecture, forwarding planes, and control planes.
- Experience in software design, code reviews, and system integration.
Nice to have
- Exposure to carrier-grade networking products, routers, switches, or network operating systems.
- Knowledge of MPLS, SDN, virtualization, or cloud networking technologies.
- Experience in performance optimization and scalability improvements.
- Familiarity with automated testing frameworks and continuous integration processes.
- Knowledge of network security protocols and technologies.
- What You'll Love About Working Here
- Opportunity to work on cutting-edge routing and switching technologies.
- Exposure to large-scale carrier and enterprise networking environments.
- Collaborative engineering culture focused on innovation and technical excellence.
- Continuous learning and career development opportunities.
- Work alongside industry experts in networking, software engineering, and system architecture.
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Job application FAQ
Last updated 9 November 2026
- How do I apply for Networking Software Engineer (L2/L3 Protocol Development) at Capgemini?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. Capgemini may attach structured assessments to interview rounds after you apply.
- Does Feedback AI show a match score for this Networking Software Engineer (L2/L3 Protocol Development) role?
- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is Networking Software Engineer (L2/L3 Protocol Development) remote or on-site in Chennai, Tamil Nadu?
- This listing is marked on_site with location Chennai, Tamil Nadu. Confirm details on the job description before applying.
- What skills matter for this Networking Software Engineer (L2/L3 Protocol Development) role at Capgemini?
- This is a mid-level Networking Software Engineer (L2/L3 Protocol Development) role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.