C C Linux TCP/IP IPC Unix internals Python Shell scripting SIP Telecom Domain Telecom Billing BSS/OSS Signalling and Railways Domain Business Analyst Architecture & Design Development Good understanding of OSI Model L3/L4 layer IPv4/IPv6 TCP/UDP Application Protocols HTTP HTTPS FTP RTSP RTP DNS Experience with Test Equipment Tools Wire shark Ethereal AWS infrastructure Microservices S3 API gateways IT Service Delivery Management Capacity Planning and Performance Infrastructure/IT Security Management ITIL Process Compliance Business Analysis & Requirements Gathering Software Development & SDLC Management Cloud Infrastructure & Automation Team Leadership & Agile/Scrum Methodologies Kernel Programming & Debugging Customer Relationship Management & Onsite Experience Process Management & IT Service Delivery Infrastructure Security & Capacity Planning Agile/Scrum Practice Tools Rally Scrum Build & Deploy Tools Kintana SSH Jenkins Version Control Tools Maven SVN Clear case Monitoring Tools NAGIOS Languages & Scripting Shell Script Fabric PHP HTML Database SQL Sybase Deployment Server(s) Apache Tomcat Client & Server model Network Protocols UDP Socket programming SNMP Other tools Para soft for memory leak Para soft for debug Microsoft Axure RP Microsoft Visio Portfolio management Process improvement Data analytics