Senior Architect

Happiest Minds Technologies; Bengaluru; On-site; INR 1,500,000 - 3,000,000; Full time

Job summary

Happiest Minds Technologies is looking for an experienced Network Architect specializing in L2/L3 Protocol Development and Embedded C Programming. You will lead the design and development of advanced networking solutions, focusing on high-performance systems.

The ideal candidate should have extensive experience with Cisco IOS, IOS-XE, NX-OS, and SONiC NOS platforms, as well as a strong background in multi-threaded and socket-based system architectures.

Qualifications

• 8–20 years of hands-on experience in L2/L3 protocol development and Embedded C programming.
• Strong expertise in C programming and Linux operating systems (Mandatory).
• Excellent debugging, analytical, and problem-solving skills.

Responsibilities

• Lead the architecture, design, and development of Layer 2 and Layer 3 networking protocol features.
• Drive end-to-end development of embedded networking software using C programming in Linux environments.
• Provide technical leadership, mentorship, and guidance to engineering teams.

Skills

Embedded C programming

L2/L3 Protocol Development

Linux-based systems

Multi-threading

Socket programming

C programming

Tools

Cisco IOS

IOS-XE

NX-OS

SONiC NOS

Job description

Network Architect – L2/L3 Protocol Development & Embedded C Programming

We are seeking an experienced Network Architect specializing in L2/L3 Protocol Development and Embedded C Programming to lead the design and development of advanced networking solutions.

The ideal candidate will have deep expertise in Embedded C, Linux-based systems, and network protocol software development, with strong experience building scalable and high-performance networking features across platforms such as Cisco IOS, IOS-XE, NX-OS, and SONiC NOS.

Exp -8-20 years

Notice Period -Immediate

Key Responsibilities

• Lead the architecture, design, and development of Layer 2 and Layer 3 networking protocol features.
• Drive end-to-end development of embedded networking software using C programming in Linux environments.
• Design, develop, debug, and optimize protocol stacks and networking functionalities for high-performance systems.
• Analyze and resolve complex issues in existing protocol implementations to improve reliability and scalability.
• Architect and optimize multi-threaded, socket-based, and embedded communication systems.
• Collaborate with cross-functional engineering teams to integrate features into Cisco operating systems (IOS, IOS-XE, NX-OS) and SONiC NOS platforms.
• Provide technical leadership, mentorship, and guidance to engineering teams through design discussions and code reviews.
• Work closely with QA and support teams for validation, interoperability testing, and issue resolution.
• Create and maintain architecture documents, design specifications, and troubleshooting guides.

Required Skills & Qualifications

• 8–20 years of hands‑on experience in L2/L3 protocol development and Embedded C programming.
• Strong expertise in C programming and Linux operating systems (Mandatory).
• Deep understanding of Layer 2 and Layer 3 networking protocols.
• Strong experience in multi-threading, socket programming, and concurrent system design.
• Excellent knowledge of data structures, memory management, and software performance optimization.
• Hands‑on experience with Cisco IOS, IOS-XE, and NX-OS platforms.
• Strong understanding of embedded systems architecture and modular software design for networking applications.
• Excellent debugging, analytical, and problem‑solving skills.
• Strong communication and collaboration skills in cross‑functional environments.

Preferred Qualifications

• Experience with SONiC NOS or other open networking operating systems.
• Exposure to high‑performance embedded networking systems and distributed architectures.
• Prior experience leading technical teams or owning networking modules end‑to‑end.