Senior Software Engineer - C/C++ Networking & Security

Cisco; Bengaluru; On-site; INR 2,200,000 - 2,800,000; Full time

Job summary

Cisco is looking for a Technical Lead to build next-generation secure networking solutions in Bengaluru, India. The successful candidate will have over 9 years of experience in networking and security, lead the design and implementation of secure VPNs and AI-enhanced SD-WAN architectures, and mentor team members. Skills in C/C++, networking concepts, and system architecture are essential. If you have a passion for secure connectivity and innovative technologies, this is the opportunity for you.

Qualifications

• 9+ years of experience in networking and security domains.
• Strong programming skills in C/C++.
• Validated experience in scalable system design.

Responsibilities

• Lead design and development of secure networking solutions.
• Architect systems focusing on scalability and security.
• Drive multi-functional teamwork for project delivery.

Skills

Deep technical experience in networking and security

Programming expertise in C/C++

Understanding of networking concepts (TCP/IP, routing)

System design and architecture experience

Good communication skills

Tools

Embedded Linux

Yocto-based build systems

Job description

We, Security, Solutions and SDWAN Platform Infra, are a team passionate about building next‑generation secure connectivity solutions across VPN, cryptography, PKI, and SDWAN. Across on‑prem, cloud, and SSE/SIG environments, we deliver secure, scalable systems and apply AI intelligence to improve security posture, automate certificate lifecycle management, optimize performance, and enable predictive monitoring at scale. Our work spans SDWAN Platform Infrastructure, crypto infrastructure, PKI systems, VPN technologies, SD‑WAN secure fabric, and post‑quantum security, powering millions of secure connections globally.

We are looking for a Technical Lead to join the team. You will be part of a team building secure networking solutions in a high‑impact, fast‑paced environment. Your work will help build scalable, secure systems that enable site‑to‑site and remote access VPNs, certificate‑driven trust models, cloud connectivity, and AI‑enhanced secure SD‑WAN architectures, including initiatives in post‑quantum security.

Your Impact

• Lead the design and development of secure networking solutions across VPN (IPSec/IKEv2), PKI, cryptography, and SD‑WAN platform infra
• Architect systems that ensure high scalability, resiliency, and security posture
• Drive multi‑functional teamwork to deliver critically significant features
• Improve performance, reliability, and operational excellence of distributed systems at scale
• Influence technical direction and execution for high‑impact projects that improve scalability, resiliency, security posture, and customer experience
• Drive innovation in next‑generation secure networking initiatives
• Take complete ownership from conception to production release by demonstrating your ability to influence, facilitate, and work multi‑functionally across teams
• Drive the adoption of AI‑assisted tools such as Codex to improve engineering productivity, automate development workflows, accelerate debugging, and enhance software quality across the team
• Lead, mentor, and spread standard processes to other specialists on the team

Minimum Qualifications

• 9+ years of deep technical experience across networking and security domains, large‑scale, production‑grade systems
• Strong programming expertise in C/C++
• Deep understanding of networking concepts (TCP/IP, routing, distributed systems)
• Validated experience in system design and architecture for scalable, reliable systems
• Track record of leading critical projects end‑to‑end
• Experience in embedded Linux software development
• Ability to influence technical direction across teams
• Good communication skills with the ability to simplify complex technical concepts

Preferred Qualifications

• Experience with IPSec VPN technologies
• Embedded Linux system development, Yocto‑based build system expertise, and cloud platform integration skills
• Understanding of PKI systems and certificate lifecycle management
• Background in network security, SD‑WAN, or secure connectivity
• Exposure to cryptographic systems and protocols
• Experience demonstrating AI‑assisted development tools to improve team productivity
• Exposure to post‑quantum cryptography (PQC) or cryptographic agility
• Experience chipping in to networking/security standards (RFCs)