Title:  Principal Software Engineer

Roles & Responsibilities:

The candidate is responsible for building Wi-Fi Access Point Controller/Gateway related Software. The Controller/Gateway development includes AAA interfaces - Radius, Communication Frameworks – Websockets, MQTT, kofka, NATS Pub/Sub, Tunnelling protocols – L2oGRE, SSH, Open VPN, and other protocol knowledge TCP/IP, UDP and Unix domain sockets. Design, Development and resolving technical issues observed by team, QA and customer support engineers in Controller/Gateway area. 

 
Candidates having expertise in any two out of the following three areas

• Wi-Fi Standards includes 802.1x(EAP-SIM, EAP-AKA), 802.11(Open, WISPr, WEB Auth etc), HotSpot 2.0
• Hands-on Free Radius code, understanding the internals.
• Understanding Websockets, MQTT, Tunnelling protocols L2oGRE, SSH
• Internals of TCP/IP, UDP, SCTP, Unix Domain Sockets, LDAP, AD
• Cloud environments – Google Cloud, Microsoft Azure

Responsibilities:

• Design, develop, and troubleshoot technical features related to skills mentioned above with Control state machine deployed.
• Customize, Enhance applications on top of Free Radius for different authentication mechanisms mentioned.
• Analyse existing code and instrument custom code as required to add new features to the Controller/Gateway product line, diagnose and resolve issues related to functionality, interoperability, and stability.
• Analyse and improve performance of current Controller/Gateway applications
• Rapid development, quickly responding to needs of customer trials to win major accounts
• Work closely with QA engineers, Customer Support Teams for the supporting our deployment issues

 
Qualifications:

• 10+ years of work experience in developing controller/gateway software for wireless networking platforms
• C/C++ SW development expertise & Knowledge of different Linux platforms
• Solid understanding of bridging, routing, and network protocols (e.g., TCP/IP, UDP, DHCP, ARP, DNS, NAT, STP)
• Strong knowledge of 802.1x, 802.11 wireless protocols, including message exchanges with AAA/HLR with mobility and roaming.
• Strong knowledge of Object-Oriented Design and Methodologies, and design patterns
• Strong problem-solving skills & Excellent written and oral communication skills
• BTech/MTech, BS/MS in EE or CS

 
Soft Skills:

• Understanding the big picture and discerning its high level details
• Ability to identify development dependencies
• Ability to grasp new, cutting-edge technologies, evaluate and test out alternatives
• Excellent technical communication skills with English, in both speaking and writing
• Strong work discipline and team work spirit. Ability to quickly read, understand and explain technical topics to the team
• Independent, flexible to changes