LLM
Barış DEMİR
Telecom Expert
Istanbul,Istanbul
Summary
Telecom Expert and Inventor specializing in 5G synchronization. Proven track record designing and implementing cutting-edge technologies to enhance network performance. Academy Trainer experienced in sharing expertise and knowledge with aspiring engineers. Committed to staying ahead of industry trends and expanding skillset to drive advancements in telecom engineering and contribute to the growth of the telecommunications sector.
Overview
2025
2025
years of professional experience
6
6
years of post-secondary education
8
8
Certifications
Work History
Transmission Network Expert
Zyntai (Netinsight)
4 2021 - Current
- For the Active synchronisation equipment owned by Türk Telekom, logging the correct configuration records within the management system and taking backups, ensuring seamless integration with auxiliary systems and facilitating the effective execution of reporting processes
- Implement the Zyntai Director in alignment with OpenShift/Kubernetes topology, ensuring the remote generation and deployment of SHA256 keys for newly onboarded nodes, and managing the associated provisioning processes.
- Develop scripts in Python to generate timestamps for GRAPHANA, enabling real-time monitoring of data across various time intervals, such as 15 minutes, 30 minutes, and 1 hour, for each node.
- For the development of Zyntai equipment owned by Türk Telekom, Netinsight teams worked with Netinsight teams for 3 years to extract and design all functional features
- Engaged in operational processes related to the Zyntai Precision TimeNet synchronization solutions, supporting the deployment and management of high-accuracy timing transfer systems
- Utilized extensive metrics for real-time analysis of transport paths, optimizing the Precision TimeNet Protocol (PTN) for enhanced performance
- Collaborated on projects involving multi-constellation GNSS technologies and PTP profiles, ensuring seamless synchronization across diverse network environments
- Supported the integration of Zyntai TimeNode products, enhancing the capabilities of existing infrastructures while ensuring GNSS/GPS independence
- With extensive experience in deploying and managing Zyntai Precision Time Net synchronization solutions, I have successfully contributed to enhancing the performance and reliability of 5G networks
- My role involved working closely with Zyntai's Core Time Node (TN3100) and Access Time Node (TN3040) systems, ensuring GNSS/GPS independence and robust synchronization across diverse network infrastructures
- In my recent projects, I engaged in operational processes related to Zyntai's synchronization technology, optimizing the Precision Time Net Protocol (PTN) for improved service continuity
- I effectively utilized real-time metrics to analyze transport paths, enabling proactive measures for fault detection and resolution
- My collaboration with cross-functional teams ensured seamless integration of Zyntai Time Node products, enhancing network capabilities and supporting the transition to next-generation 5G services
- Through my expertise in managing Zyntai systems, I have consistently ensured high accuracy timing transfer and efficient synchronization across multiple clients and endpoints, positioning me as a key contributor to the successful deployment of advanced 5G synchronization solutions within Türk Telekom's network
Transmission Systems Network Expert
Transmission Systems Network
10.2015 - 04.2021
- Encompasses ensuring service continuity for Türk Telekom's intercity and international WDM optical transport network services within the DWDM backbone transport network, conducting routine inspections on assigned equipment to identify and address discrepancies, implementing proactive measures to mitigate potential issues, facilitating prompt vendor interventions for fault resolution, and supervising device management to handle customer requests and resolve malfunctions within specified timeframes
- Ensure Türk Telekom service continuity for all intercity and international WDM optical transport network services and capacities within the DWDM backbone transport network, while executing all operational activities associated with this mandate
- Conduct routine inspections on assigned Türk Telekom equipment's, address any discrepancies, implement proactive measures to mitigate potential issues, and facilitate prompt intervention by vendors and solution partners to resolve any arising faults
- Worked as a supervisor for the devices under the responsibility of Türk Telekom, to handle requests from internal and external customers within the specified timeframes and to resolve malfunctions before the specified timeframes
Manager
Avea / TT Mobile Backhaul & IP Network
09.2010 - 10.2015
- TT Mobile MBH & IT Operations employee and processes management
- Responsible for Level2 - Level3 operations
- Developing Budgets, Staffing, Management Proficiency, Process Improvement, Tracking Budget Expenses, Self-Development, The Key contact for RFP / RFQ / RFI processes, Managing MBH purchases
- Dedicate & planning to IT & Network synchronization disciplines
- Overseeing all technology operations and evaluating them according to established goals
- Devising and establishing Network & IT policies and systems to support the implementation of strategies set by upper management
- Analyze the business requirements of all departments to determine their technology needs
- Purchase efficient and cost effective technological equipment and software Result: Increased fuel efficiency by 30% and time efficiency by 28%, contributing to more sustainable and efficient vehicular networks
GPON Design & Integration Lead
Motorola
06.2009 - 07.2010
- I possess extensive expertise in GPON technology and fiber optic design, coupled with strong project management capabilities, effective communication skills, and analytical proficiency in data analysis and risk assessment
- Determined and selected appropriate fiber optic cable types and capacities for optimal performance
- Designed the fiber optic cable branching layout specific to project locations
- Calculated end-to-end power budgets to ensure efficient signal transmission
- Configured OLT (Optical Line Terminal) and EMS (Element Management System) settings for seamless operation
- Established out-of-band connections for comprehensive EMS management
Transmission Expert
Motorola
03.2007 - 07.2010
- Collaborated with Vodafone to upgrade, extend, and manage the nationwide GSM network through an eight-year contract with Motorola
- Modernized and enhanced Vodafone's radio access network to improve coverage and capacity, ensuring alignment with industry standards
- Assumed operational management responsibilities for the network, ensuring optimal performance and reliability
- Led the modernization program to achieve 3G readiness at key sites, facilitating enhanced service delivery
- Developed and supported Tellabs DXX circuits, managing the Network Management System (NMS) for installed DXX equipment
- Created and implemented the NEC PNMS, ensuring comprehensive reachability across the Vodafone microwave (MW) backbone
- Established connections for all Base Station Controllers (BSCs) to unused leased lines to Mobile Switching Centers (MSCs) while preparing transmission optimization rules to enhance network efficiency
Transmission Engineer
Avea
01.2002 - 01.2007
- The project scope involves the optimization and integration of two GSM networks into a unified system, managing approximately 7,500 BTS, 21 MSCs, 85 BSCs, 200 SDH devices, 2,000 DXX nodes, and 4,000 microwave units, while overseeing SDH system enhancements, installing Nortel cross-connect equipment, contributing to the Protected Backbone Project, and ensuring seamless monitoring and maintenance of connections
- Optimization activities were conducted for the integration of two GSM networks into a single system, involving approximately 7,500 BTS from four BSS suppliers, three NSS suppliers, and 21 MSCs located across various sites
- Management included around 85 BSCs, nearly 200 SDH devices (STM1, STM4, and STM16), approximately 2,000 DXX nodes (MXU, Micro Nodes, Basic Nodes, and A111), and around 4,000 microwave equipment units, as well as Cisco MGX devices in Ankara, Istanbul, Adana, Izmir, and Antalya, along with various Nortel and Ericsson cross-connect equipment
- Investigations were conducted on all SDH systems, with oversight on the commissioning, installation, and upgrades of new Ericsson, Alcatel, and Nortel SDH equipment (STM1, STM4, and STM16) across the AVEA transmission network
- The installation and commissioning of newly integrated Nortel SDH Cross-Connect equipment were managed
- Contributions were made to the AVEA Transmission Project for the Protected Backbone, ensuring that all hub connections were safeguarded through SDH, microwave, and DXX elements
- The installation of DXX 8100, DXX 6300, and Tellabs Micro Nodes, along with MXU installations, was overseen
- Mounting and demounting of Ericsson BSC/MSC equipment within ET-155 cabinets were performed
- Monitoring and resolution of issues with microwave connections for Siemens and Ericsson Radios were conducted to ensure uninterrupted service
- Coordination of transmission route changes for leased line ports from Turk Telekom was facilitated for seamless connectivity
Transmission Site Engineer
Alcatel
01.2000 - 01.2002
- In installing and upgrading Alcatel SDH equipment, conducting fiber optic testing with OTDR, implementing DWDM transmission systems, and managing remote operations using the SH-RM Management Tool
- Alcatel SDH equipment (1660SM, 1650SMC, and 1640FOX) was installed for TurkTelekom and various GSM operators and ISPs
- Fiber optic testing was conducted using OTDR on TurkTelekom cables
- The DWDM ring transmission for Turk Telekom's Marmara Region was installed
- Software commits and upgrades were performed on SDH equipment
- A system survey was conducted, and preparations for the installation of equipment at TurkTelekom central offices were completed
- The SH-RM Management Tool was installed and operated to facilitate remote management of SDH and DWDM equipment
Quality Engineer
Telsim
01.1999 - 01.2000
- The project scope involves optimizing the newly integrated GSM network through the analysis of network statistics from Metrica and OSS, implementing corrective actions for underperforming cells, conducting benchmarking tests using Tektronix M366, and reporting results to the Network Planning Department Manager
- Network statistics from Metrica and OSS were processed to identify and take corrective actions for poorly performing cells, focusing on SDCCH and TCH Blocking and Drop Ratios, as well as HO Fail Ratios, to optimize the new GSM network post-integration
- Benchmarking tests were performed in the field using Tektronix M366, with results analyzed and reported to the Network Planning Department Manager
Education
Electronic & Telecommunication Engineering -
Istanbul Technical University
01.1992 - 01.1997
Leadership School - Organizational Leadership
Istanbul Bilgi University
01.2016 - 01.2017
Skills
DWDM and fiber transmission networks
Certification
Management of Network Team
Motivationtext
Dear Hiring Manager,
I am excited to express my interest in joining the team to manage the synchronization solutions for Turkcell's 5G network, particularly with the implementation of NetInsight's Zyntai products. My extensive experience in synchronization technologies, along with my background in precision timing systems, positions me well to oversee the entire process related to the deployment and management of these critical solutions.
I am particularly impressed by Turkcell's commitment to advancing 5G technology, where precise synchronization is vital for ensuring seamless connectivity and operational efficiency. I am eager to take on the responsibility of managing existing PTP (Precision Time Protocol) services and ensuring optimal performance through the integration of Zyntai's solutions.
In my previous roles, I have successfully managed high-accuracy timing systems and collaborated effectively with vendors to resolve issues swiftly, minimizing service disruption. My ability to implement proactive measures and conduct thorough inspections will contribute significantly to maintaining the reliability of Turkcell's synchronization services.
Thank you for considering my application. I look forward to the opportunity to discuss how my expertise in synchronization can benefit Turkcell's ambitious 5G initiatives.
Best regards,
Barış DEMİR
Personal Information
- Date of Birth: 07/17/74
- Nationality: Türkiye
- Marital Status: Married
Skillset
5+ years, ZTE, Nokia, Coriant, Huawei, 3+ years, Zyntai, Netinsight, 4+ years, Huawei, ZTE, Nokia, 5+ years, 10+ years, Proficient
Software
Establishing and training a proprietary AI model on the cloud."
I have deployed and am training my artificial intelligence, named ZBD, on the cloud. It operates with a structure that supports 90 GB of data and utilizes 100,000 tokens. It is based on the LLAMA model.
Timeline
Leadership School - Organizational Leadership
Istanbul Bilgi University
01.2016 - 01.2017
Transmission Systems Network Expert
Transmission Systems Network
10.2015 - 04.2021
Manager
Avea / TT Mobile Backhaul & IP Network
09.2010 - 10.2015
GPON Design & Integration Lead
Motorola
06.2009 - 07.2010
Transmission Expert
Motorola
03.2007 - 07.2010
Transmission Engineer
Avea
01.2002 - 01.2007
Transmission Site Engineer
Alcatel
01.2000 - 01.2002
Quality Engineer
Telsim
01.1999 - 01.2000
Electronic & Telecommunication Engineering -
Istanbul Technical University
01.1992 - 01.1997
Transmission Network Expert
Zyntai (Netinsight)
4 2021 - Current