Consultant / System Verification Test - Cisco Unified Communications , Cisco Data Center Switching , Cisco LAN / WAN

12/2016 – 10/2017

• Accountable for Technical Certification operations at different footprints of Germany, for CableModem solutions – AVM, Horizon, Arris, Technicolor, Hitron, Samsung.
• Requirement gatherings, driving workshops, HLD to LLD implementation.
• Responsible for Effort estimation, planning and tracking of testing activities of Connectivity teams of UnityMedia.

Projektleitung / Teamleitung (IT)

8/2011 – 3/2017

• Involved in functional requirement gatherings and feature gap analysis.
• Coordinating with Technical Marketing teams and customers in understanding business and customization requirements in real-time deployments.
• Responsible for Effort estimation, planning and tracking of testing activities – Master Test Strategy, Test plan reviews, EFTs.
• Configuration, validation and test automation of Cisco UC SIP & MGCP features on CUBE – Cisco Unified Border Element, CME – Call Manager Express, CUCM – Cisco Unified Call Manager, Voice Gateways, Cisco PVDM, Cisco TDM interface modules.
• Configuration, validation and test automation of Cisco Data Center Nexus features – Programmability, ARP, vPC, Fabricpath, BGP-EVPN, VXLAN, OTV, Mutli-homing on Cisco Nexus Switches – 7k & 9k.
• Provided technical trainings to end user support and mentored multiple testing teams in adapting effective test methodologies.

TCP / IP, RTCP (RealTime Control Protocol), VoIP, Cisco Switch, Cisco Router

7/2010 – 8/2011

• Configuration, testing and automation of IMS solution nodes – AS, P/I/S-CSCF.
• Demonstrated excellence in testing of features like Communication Diversion (CDIV), DIAMETER interfaces of the core CSCF with HSS, Execution of testcases, tracking of progress and final reporting.
• Implemented SIPp based testing into the test cycles and re-designed the Tcl/Tk automation framework for key requirements leading to shorter execution time.

VoIP