Damian Klimaszewski

IMS and IP Voice DevOps Team
- VoLTE and VoWIFI Services - project management, development and implementation in Deutsche Telekom Group
- Integration and development of IMS systems
- Configuration and verification of functionalities based on IMS architecture
- VOIP services implementation and maintaining
- Preparation of Acceptance Test Plan for newly-created IMS systems
- Preparation of technical documentation (Test Defect reports, PoC descriptions, HLD, LLD)
- Project management and cooperation with different vendors (ZTE, Nokia, Broadsoft, Huawei) and customers

- Planning and Development of Release 4 Core Network
- Network optimization

- Troubleshooting and modem log analysis (GSM/UMTS/LTE L2/L3 and upper layers);
- Analysing and solving of UE protocol issue in cooperation with chipset vendors (Qualcomm, Intel, STE, Marvell, Spreadtrum; Broadcomm);
- Work with software test tools and creating scripts to support analysis
- Analysing of UE protocol issues related with Samsung baseband (Shannon);
- Creating technical reports basend on log analysis and 3GPP documentation;
- Cooperating (IOT, JTS) and meetings with customers (network operators and vendors) and business partners in Poland and other countries (Business trips to: Germany, Netherlands, Sweden, Denmark, Italy, France, United Kingdom, Portugal, Romania, Russia, Australia etc. )
- Performing regression and verification tests;
- Quality Assurance team support on Business Trips (mostly Europe).

- Troubleshooting and modem log analysis (GSM/UMTS/LTE L2/L3 and upper layers)
- Test support and coordination on Business Trips (mostly Europe)
- Cooperation with customers (network operators) and chipset vendors (Qualcomm, Intel, STE, Marvell, Broadcomm, Spreadtrum);
- Performing mobile devices tests.

- Project Management and design of telecommunication and fiber networks;
- Creating technical documentation;
- Contact with customers and presentations of projects;
- Sales of products to fiber optic networks construction.