Farhan Ahmed

Software Engineer

Bengaluru, Karnataka, India6 yrs 8 mos experience

Highly Stable

Key Highlights

Expert in IPSec and VPN architectures.
Proven track record in high-throughput security gateways.
Strong background in containerized deployments and system-level debugging.

Stackforce AI infers this person is a Telecom Infrastructure Engineer specializing in secure networking systems.

Contact

Skills

Core Skills

C++LinuxIpsecNetworkingCloud-native ArchitectureDebugging

Other Skills

Data StructuresKubernetesVPNResiliency EngineeringProtocol AnalysisIKEv1IKEWiresharktcpdump5GTelecomFIAPSwitchingRoutingIPC

About

Networking Software Engineer with over 6 years of experience in designing and building secure networking systems. Expert in C/C++ and Linux Networking, with a primary focus on IPSec, IKEv1/IKEv2, and VPN architectures. Proven track record of developing resilient, high-throughput security gateways and implementing network protocols for large-scale VPN infrastructure. Experienced Technical Lead with a strong background in containerized deployments, system-level debugging, and ensuring high availability in telecom environments.

Experience

6 yrs 8 mos

Total Experience

6 yrs 8 mos

Average Tenure

0 mo

Current Experience

– Present

C++Linux

Cisco

Software Engineer lll

Jun 2026 – Present · 0 mo · Bengaluru · Hybrid

Software Engineer in Cisco Silicon One SDK team.

Wipro

3 roles

Technical Lead

Apr 2026 – May 2026 · 1 mo

Sr. Software Engineer

Promoted

Jul 2022 – Mar 2026 · 3 yrs 8 mos

Protocol Development: Led the design and integration of IPSec protocol stack enhancements, specifically focusing on IKEv1 and IKEv2 secure tunnel negotiation.
Cloud-Native Architecture: Architected a scalable, distributed VPN deployment across 16 Kubernetes pods to manage 500+ policy-based IPSec tunnels.
System Resiliency: Engineered session resiliency mechanisms to maintain uninterrupted VPN connectivity during container restarts or system failovers.
Advanced Debugging: Resolved complex tunnel negotiation failures by performing deep packet trace and protocol analysis, increasing the stability of production deployments.
Cross-Functional Leadership: Collaborated with global engineering teams to deliver secure networking capabilities for large-scale telecom infrastructure.
High Availability: Designed and implemented priority-based Active-Active IPSec tunnel redundancy to enable automatic failover between primary and secondary tunnels.

C++Data StructuresIPSecNetworking

Project Engineer

Jun 2019 – Jun 2022 · 3 yrs

Zero-Loss Rekeying: Developed a Make-Before-Break (MBB) rekeying mechanism for IKEv1, ensuring seamless updates for 800+ active tunnels without packet loss.
Protocol Compliance: Integrated Notify payload handling within IKE negotiations to improve error reporting and overall VPN protocol compliance.
Network Diagnostics: Utilized Wireshark and tcpdump for protocol-level debugging to identify and resolve secure tunnel establishment issues in telecom environments.
5G Infrastructure: Contributed to the development of 5G Radio Access Network (RAN) components within carrier-grade telecom systems.
Interface Development: Implemented and validated FIAP protocol interfaces to facilitate communication between 5G network elements.
Switching & Routing: Worked on L2/L3 networking functionality specifically for Broadcom Tomahawk2 switches.

C++LinuxNetworking