Serhii Mazur

- Responsible for engineering Network-Network Interconnection between DT and other national partners - Analyse projects requirements, prepare solution for NNI part (IBCF/IBGF), including related parts of HLD and LLD - Responsible for system design, development requirements, evaluating SOCs during tenders - Responsible for development System configuration to implement new feature and changes, validation with available tools, CICD chain or Ansible playbooks.

- Responsible for driving technical discussions and decisions in NIMS Interconnect project Responsible for coordination with other nIMS Program streams like: e2e Validation Steam, AOP Monitoring Stream, AOP Automations Stream - Prepare test requirements and test cases for manual and semi-manual testing. - Prepare requirements and lead technical discussion about Automation cases for Configuration management, deployment, rollout, failover scenarios - Lead DT System Squad team for NIMS Interconnect

System Engineer for IMS NNI (IBCF/IBGF/SBC). Responsable for IMS NNI Engineering (IBCF/IBGF) HLD, LLD, sytem requirements and validation requirements

Presale technical expert. Was responsible for HSS-FE and S/I-SCSF part of NSN SOlution during Bid procedure. Prepared HLD and SOC responses.

-Take part in IMS telecommunication projects -Execute SW update/upgrade -Independently perform tests, analyse results, make adjustments and improvements -Write reports based on the conclusions made from testing for our customers -Prepare customized operation instructions

-Prepared configuration scripts and configured for nodes based on various Ericsson HW platforms (AXE, CPP, IS, EBS) -Made start up, configuration, integration, acceptance tests and final verification nodes with application BSC, MSC-Server, HLR/AUC, HLR-FE, M-MGw, CUDB -Executed Hardware expansions for nodes based on Ericsson platforms -Provided configuration and integration services for various mobile operators in the Ukraine, Russian Federation, Norway.

-Made installation, configuration, integration and acceptance test on nodes (MSC/VLR, HLR/AUC, SMS-C). -Supported ZTE products for wire and optic network in the Ukraine

Radio-electronic systems and complexes