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Work experience

Senior Tier 2 /Tier 1 Technical Support Engineer

from 08.2019 to now (7 years)
Harmonic Inc., Київ (Телекомунікації, зв'язок)

Supporting broadband products for international telecom operators.
Responsibilities
•Provide Tier 2 technical support for DOCSIS, GPON, and Core Network products.
•Troubleshoot HW/SW, configuration issues/incidents in Production environment, execute Root Cause Analysis (RCA).
•Reproduce Customer’s issues in laboratory environments and collaborate with RND and other divisions.
•SLA management
•Tier 1 team solution review and expertise, intercommunication with RnD, Customer Management Team, Customer directly;
•Issues escalation, technical requirements preparation and review, control solution implementation until the issue is closed.
•Maintain high customer satisfaction during critical incidents while managing SLAs.
•Participate in continuous process improvement and contribute to the internal knowledge base.
•On-call support on regular basis (rotations)

Technologies
DOCSIS • GPON • PON • Broadband Networks • Linux • TCP/IP • Customer Support • Incident Management • Datacom networking • CIN

Technical Director,Technical Expert,Technical Lead

from 09.2007 to 06.2019 (11 years 10 months)
Huawei Technologies, Київ (Телекомунікації, зв'язок)

Delivered ICT technical expertise for wide amount of national and international telecom projects involving carrier-grade infrastructure.
Responsibilities
•Managed solution delivery control, delivery points review, and team collaboration.
•Led network integration, troubleshooting, and OSS/NMS deployment.
•Implemented DWDM/MW/NMS-OSS-BSS rollout and support for major national carriers.
•POC project implementation
•Customer technical satisfaction management
•Provided technical leadership, acceptance testing, and on-site/remote customer technical support.
•Technical account management

Major Customers
•Ukrtelecom
•Kyivstar
•MTS Ukraine
•lifecell (Astelit)
•Vega
•MegaFon

Security Department Analyst

from 09.2005 to 05.2007 (1 year 9 months)
Київстар, Київ (Телекомунікації, зв'язок)

Responsibilities
•Network risk assessment (technical side) – network fraud analysis;
•Procedure development - Incidents prevention: company, subscribers, government;
•Security department structure optimization;
•Company structure verification and control;
•Interaction with Ukrainian Security Service, other governmental structures
•Contract review for possible risks
•Other departments operation review and control
•Report preparation for CSO, CEO;
•Other incident investigations participation
•Operational support

Software Test Engineer

from 10.2002 to 04.2005 (2 years 7 months)
SSL "Skyline", Київ (IT)

Responsibilities
•System architecture (HLD, LLD, including circuitry, algorithms design, software design);
•System realization (including prototype design, piloting, algorithms verification and adaptation);
•HW/SW/integration tests and solution verification
•Commercial realization of the prototype (e.g. https://ko.com.ua/test_50_blokov_pitaniya_atx_18944 )
•Product certification initiation

Education

НТУУ "КПІ"

Факультет Електроніки, Спеціальність "Телекомунікаційні системи та мережі", Київ
Higher, from 1999 to 2005 (6 years)

Knowledge and skills

• Здатність до навчання
• Бажання вчитися і розвиватися
• Адаптивність
• Доброзичливість
• Дисциплінованість
• Пунктуальність
• Стресостійкість
• Робота в команді
• Управління командою
• Самостійне прийняття рішень

Language proficiencies

• English — fluent
• Ukrainian — fluent

Additional information

! Сonsidering employment opportunities ONLY with critical infrastructure enterprises eligible to provide employee reservation (mobilization exemption) in accordance with Ukrainian legislation.

Specialized in troubleshooting complex production issues across DOCSIS, GPON/PON, Core Networks, CIN, Transmission (WDM, MW) and Linux-based systems. Extensive experience supporting international telecom operators, performing Root Cause Analysis (RCA), incident management, customer communication, SLA management, cross-functional collaboration with software engineering teams.
Strong analytical mindset combined with hands-on networking knowledge and carrier-grade telecom expertise gained through Huawei and Harmonic projects.
Experienced in resolving critical production incidents under SLA, performing log analysis, fault isolation, escalation management, and customer issue resolution.