Datacom Developer

2 weeks ago

Bengaluru, Karnataka, India Capgemini Engineering Full time ₹ 20,00,000 - ₹ 25,00,000 per year

We are seeking a highly skilled Datacom Engineer with strong development experience in networking and cloud-native technologies. The ideal candidate will have a deep understanding of L2/L3 networking protocols, virtualization, and embedded systems programming.


Key Responsibilities:

· Develop and maintain software for Cloud Native Functions (CNF) and Virtual Network Functions (VNF).

· Work on Ethernet switching, IP forwarding (unicast and multicast), and L2/L3 routing protocols.

· Implement and troubleshoot protocols such as VxLAN, LACP, GRE, IPSec, and TLS.

· Contribute to development and validation of Wi-Fi, 802.1x, AAA, and RADIUS features.

· Write high-performance code in C and Go, focusing on multithreading, SMP, and data structures.

· Develop and optimize software for Linux-based multicore systems.

· Build and deploy containerized applications using Docker and Kubernetes.

· Work with DPDK and VPP for high-speed packet processing.


Requirements:

  1. Programming Expertise:

o Strong hands-on experience in C and/or Go programming on embedded platforms.

o Solid understanding of multithreading, SMP, and data structures.

  1. Networking Knowledge:

o Deep understanding of L2 switching and forwarding.

o Ability to explain packet flow through switches and routers.

o Familiarity with LACP, STP, ARP, DHCP, and basic routing via subnets.

o Exposure to OSPF and BGP is a plus.

  1. Platform & Tools:

o Experience in Linux development for multicore systems.

o Hands-on with Docker, Containers, and Kubernetes.

o Exposure to DPDK, VPP, and network acceleration frameworks is highly desirable.


Preferred Skills:

· Experience in Wi-Fi technologies, 802.1x, and AAA/RADIUS.

· Familiarity with IP multicast, TLS/IPSec, and GRE tunneling.

· Development experience in Go language and cloud-native environments.

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