Ayhan Uzun Email & Phone Number

Nuremberg, Bavaria, Germany

Istanbul, Turkey

• Transition and Integration of R4 (Nokia Open vMSS) network and nTAS deployment to virtual environment (Telco over Cloud)• Ensuring flawless service delivery when implementing network elements • Manage client satisfaction by executing E2E acceptance testing with the customer• Trouble shooting activities and ticket follow up

Istanbul, Turkey

• Day-to-day management of 28 staff members and 4 direct reports (managers) in a 24x7x365 environment• Ensuring that best practices using ITIL-Framework concerning Configuration, Change, Capacity, Release, and Incident management are adequately followed and requirements are met• Participating in budget preparation (costs, investments, employees) and forecast planning• Managing strategic projects following Group or management guidelines• Designing and implementing a redundant and high available network topology to secure business continuity• Monitored and secured regular annual site audits to verify contracted security requirements, security policies, compliances & standards (i.e., regulatory, ISO 27001, Sarbanes Oxley & internal standards)• Delivering major and complex projects: o Nokia One-NDS (Network Directory Server for Subscriber Management): HLR, HSS, MNPo Telco Over Cloud VoLTE (Nokia, VMware & HP)o IP Network Segmentation (Cisco)Achievements:• Reorganized the second-level support team from a decentralized to a centralized operations structure (from 8 site managements to 2 regional operation centers). o Key result: 50% reduction in operating costs• Cost Saving by putting into operation an out-of-band O&M connection to remote locations.o Key result: 80% reduction of travel expenses occupied for software upgrade tasks• Maintained a mature and reliable Multi-supplier Network (Nokia, Huawei & Ericsson) by continuously improving troubleshooting techniques and regular maintenance activities. o Key results: Core Network Availability KPI: 99,90% & Customer Experience KPI: 99,20%

Istanbul, Turkey

• Built and implemented a new team for level 3 activities:o Recruiting, mentoring, and providing team trainingo Making of learning and development plano Supporting, coaching, and supervising all new members during their first activities• Implementing all major changes (software/hardware/feature) to the network• Identifying areas for improvement, creating recommendations, and implementing applicable improvements and optimization in affected equipment or service• Vendor management: Technology contract, Service Level Agreements

Istanbul, Turkey

• Providing 3rd line/emergency support for technical issues and network security• Performing infrastructure expansion and major software upgrades • Project manager for core network Release-4 transition

Istanbul, Turkey

• Dealing with Customer support functions, projects, rollout, consultancy, and planning issues• Configuration of the system due to local specifications and customer requirements• Run International Projects within The Philippines, Brazil, Italy, Israel & Greece

Istanbul, Turkey