Summary
Overview
Work History
Education
Skills
Languages
Affiliations
Timeline
Generic
Maryna Tarasiuk

Maryna Tarasiuk

Kyiv

Summary

Senior Service Engineer with extensive experience in troubleshooting complex telecom issues and enhancing customer satisfaction.

Overview

12
12
years of professional experience

Work History

Senior Service Engineer

BICS (over Infopulse Ukraine)
06.2018 - Current
  • Providing first-line support for voice transit, value-added voice services, messaging, GRX/IPX, LTE signaling, SS7 signaling, IoT and roaming hub services.
  • Investigating and resolving customer complaints, managing internal and external escalations to ensure service quality, and customer satisfaction.
    Conducting troubleshooting for freephone and inbound number services, addressing issues such as incorrect routing, voice quality concerns, and service disruptions.
    Diagnoses and resolution of complex technical issues related to SIP/ISUP, RTP, SDP, SS7, DIAMETER, and GTP protocols, as well as roaming flow operations.
    Delivering training sessions and knowledge transfer for new team members in different offices and locations.

Service Platforms Planning and Development Special

Vodafone Ukraine MNO
06.2015 - 06.2018
  • Implementation and development of VAS platforms, mainly the Location-Based Services (LBS).
  • Drafting RFPs, RFIs, and technical tasks in alignment with business requirements.

Network Operations Center Engineer

ESU Ltd.
01.2014 - 06.2015
  • 24/7 BSS/RAN monitoring.

Education

Specialist Degree With Honours - Telecommunications & Computer Networking

National Aviation University
Kyiv, Ukraine
06-2015

Skills

Technical Skills

  • Telecom Network Support – Troubleshooting and resolving issues related to voice transit, messaging (SMS, A2P, P2P), mobile data (GRX/IPX), LTE, and SS7 signaling, roaming hubs, and VoIP/SIP services;
  • Protocol Analysis – Proficient in SIP, RTP, SDP, SS7 (MAP, INAP, CAP), Diameter, GTP (GTPv1/v2), ISUP, and SIGTRAN for troubleshooting and network optimization;
  • Network Monitoring and Incident Management – Experience with network monitoring tools, proactive issue detection, and resolution; Voice & Data Quality Assurance – Investigating and resolving call failures, voice quality issues, incorrect routing, and service disruptions;
  • Escalation Handling – Managing critical incidents, vendor escalations, and cross-functional coordination to ensure timely resolution; VAS & Cloud Communication Services – Support and troubleshooting for Value-Added Services (VAS), Location-Based Services (LBS), freephone, and inbound number services; Customer & Service

Customer & Service Management Skills

  • Customer Complaint Resolution – Handling customer issues, providing technical support, and ensuring high service quality and customer satisfaction;
  • Stakeholder Communication – Coordinating with internal teams, vendors, and operators to resolve network and service-related issues;
  • Process Improvement – Identifying and implementing improvements in troubleshooting procedures and service delivery;
  • Training and Knowledge Sharing – Providing training, documentation, and knowledge transfer to junior engineers and new hires

Languages

Ukrainian
First Language
English
Advanced (C1)
C1

Affiliations

  • Traveling, photography

Timeline

Senior Service Engineer

BICS (over Infopulse Ukraine)
06.2018 - Current

Service Platforms Planning and Development Special

Vodafone Ukraine MNO
06.2015 - 06.2018

Network Operations Center Engineer

ESU Ltd.
01.2014 - 06.2015

Specialist Degree With Honours - Telecommunications & Computer Networking

National Aviation University
Maryna Tarasiuk