Ing. Cristian Dehelean

Main Tasks • Setting up, integrating, testing and accepting the new IMS-based telecommunications solutions for railway operations • Creation and implementation of acceptance tests with the customer and creating regular test reports • Post processing of error messages as well as introducing the appropriate corrections, including re-testing, until successful acceptance • Coordination and implementation of software upgrades in the customer's laboratory or network

- Contact person for all project-relevant technical measures - Perform planned work in the area of Telco & IT - Detect, diagnose and independently suppress IT & TELCO network problems - Addressing of planning topics, network problems, target agreements and all project-relevant topics - Daily qualitative check of the radio / transport network according to the valid project specifications - Creation, processing and tracking of tickets

Integration and / or configuration in Telefonica's transmission and IP network as specified at the network element level, via command line interface, using the NMS system or, if available, via tool chain,PDH, SDH, hybrid RIFU , ATM Crossconnect, XSWD /PN/CN /RTN /SIAE configuration, Rollback configuration on PN/ XSWD ,IP routing

Manage radio access network implementation,software upgrade,provisioning and parameterization activities, system architecture and nodes (GSM:BTS,BSC;UMTS:NodeB,RNC);Provide services fully compliant with the Working Level Agreements(WLA);Provides technical support to Field Service teams through remote connection on the 2G&3G equipments, troubleshooting and changing configuration for RAN system architecture and nodes (GSM:BTS,BSC;WCDMA NodeB, RNC)multi-vendor technologies (NSN 2G,3G & 4G , Huawei 2G ,3G & 4G)

Optimize cost and maximize effectiveness and efficiency in winning new customer contracts. Professional tendering is required to ensure cost-effective solutions for NOKIA, perform risk analyses, consolidate & manage service deliverable's from different LOB's.

Manage radio access network implementation,software upgrade,provisioning and parameterization activities, system architecture and nodes (GSM:BTS,BSC;UMTS:NodeB,RNC);Provide services fully compliant with the Working Level Agreements(WLA);Provides technical support to Field Service teams through remote connection on the 2G&3G equipments, troubleshooting and changing configuration for RAN system architecture and nodes (GSM:BTS,BSC;WCDMA NodeB, RNC)multi-vendor technologies (NSN 2G,3G & 4G , Huawei 2G ,3G & 4G)

Network Analyst on EPlus CORE Team - July 2014 until September 2014 Network Quality Department - September 2014 until January 2016 Vendor Management Operations Department for Telefonica Germany - January 2016 until September 2016 - provides SPOC function between Field Service or Backoffice (FS / SOC, BO or Field Service) and the vendors of the system technology, whenever direct contact and support from the vendor is needed.

- Network Operations Management, Network Surveillancean,First and Second Line Activities. - Monitor Website Infrastructure including traffic, networking equipments, servers, and routers. - Ability to multitask and prioritize various alarms and works. - Prompt escalation & notification of major network faults and customer faults - Professionally utilizing GNOC systems and procedures to monitor and maintain customer network availability.

- Ttwenty-four-seven alarm monitoring of the whole Orange 2G/3G/IP Orange Network from Austria -Locating emerging faults in the network -Remote assistance for Field Technicians -BCP /BCDR responsible (Disaster back-up plan ) -Training for newcomers -Responsible with network procedures (update ) -Ensuring a good relationship with 3’rd party Vendors and Customer Care Department