Tadas Užtupis
Head of Regional Network Deployment at UAB MAINSEC- Claim this Profile
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Lithuanian Native or bilingual proficiency
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Russian Limited working proficiency
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English Full professional proficiency
Topline Score
Bio
Credentials
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ALCplus2 - NMS5LX
SIAE MICROELETTRONICAAug, 2015- Nov, 2024 -
Flexi Multiradio GSM BTS Troubleshooting [EX3.1] RA2276-01A course by Nokia Siemens Network
Nokia Siemens Network
Experience
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UAB MAINSEC
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Lithuania
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Telecommunications
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1 - 100 Employee
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Head of Regional Network Deployment
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Jan 2023 - Present
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Telecommunications Engineer/Project Manager
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May 2019 - Jan 2023
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UAB Telteka
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Kaunas
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Telecommunications Engineer
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Jan 2018 - May 2019
Installation, configuration and troubleshooting of various telecommunications equipments. Installation, configuration and troubleshooting of various telecommunications equipments.
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NT Service
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Wholesale
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1 - 100 Employee
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Telecommunications Engineer
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Jun 2008 - Jan 2018
Implementation, configuration, supporting and troubleshooting of GSM, UMTS, LTE networks and radio links. GSM, UMTS, LTE, TETRA, RRL, SDH, PDH, Wi-MAX, Wi-Fi, Ethernet network, optical fibers equipments installation,configuration,maintenance and troubleshooting. Transmission networks • Troubleshooting of Ericsson TN, SIAE, Ceragon, Alvarion, SAF, Aperto, and equipments. • Optical fiber network installation and maintenance. • Installation and configuration of data router Juniper. • Planning and watching possibilities for new transmission lines. • Full service of MW, troubleshooting at day time and at night time with changing the bad equipments. Radio networks • Troubleshooting of Siemens, Nokia Flexi (GSM, UMTS, LTE) equipments. • Nokia Flexi BTS commissioning (GSM, UMTS, LTE, 2G-3G sharing, 2G-4G sharing, LTE advanced). Voice calls and data calls testing and reporting. • Swapping of radio network units (system modules, radio modules, transmission modules, transmitters and receivers) . • Troubleshooting and maintenance of reapeters • Measuring of VSWR with "Site Master" • Supervision of power system (Eltek, Ascom, PowerOne). • Swapping the power systems from old to new devices at night time. • Motorola TETRA MTS stations installation and configuration. • Troubleshooting and maintenace of TETRA network. • Swapping units of MTS, downloading and uploading security keys with KVL. Show less
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Education
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Kaunas University of Technology
Bachelor's degree, Telecommunications Engineering