Andrei Alexandru Email & Phone Number

Bucharest, Romania

Bucharest, Romania

Main activities and responsibilities:· Lead the solution design and implementationa aspects of engagements,ensuring high-quality,integrated software solutions within time and budget constrains.· Develops and leads detailed solutions for moderately complex projects.· Provide technical services and support for OC-DSR,OC-STP,OC-PCRF and other Oracle Communication products to customers, including but not limited to new installation,expansion,migration.· Provide support for Oracle Communications products and services specifically around Signaling portfolio of DSR/UDR/PIC.· Assist in complex service activities of Oracle products including capacity analysis,infrastructure sizing requirements, upgrade, special feature implementation,live troubleshooting,raise SR. · Work on underlying infrastructure ranging from Bare metal,Virtualized or Cloud based deployments.· Install, deploy and configure the DSR solutions in a customer environment. · Support all phases of deploying the DSR solutions at customer sites including initial installation,patches and upgrades, application configuration,user acceptance testing and go-live.· Create deliverables such as KPI Report,Maintenance reports,Health Checks,HLD,Scope,MoPs,Acceptance Test Plans,SAED,NAPD, LLD.· Provide onsite/remote support for specialized activities but not limited to network monitoring,system installation,upgrades/downgrade,system migrations,cutovers,live troubleshooting,provisioning solutions,feature activation,custom scripts creation, scaling,VNFM support. · Work with customers to ensure technical compatibility with third party products required for network implementations. · Perform integration of network nodes and play the role for designing and integration network nodes in the 3G/4G LTE/IMS/ 5G network.· Conduct customer workshop adn presentations of system installations,upgrades,feature testing,troubleshooting.· Implement Oracle products and technology to meet customer needs.

Bucureşti, România

Main activities and responsibilities:· To analyse system concepts and complex product and system features;· Responsible for configuring and testing of new 4g/5g network equipments;· Responsible for testing of product requirements, feature requirements and systems and performance analysis;· Perform detailed analysis of 4G/5G Wireless Call Protocols;· Responsible for analyzing and troubleshooting the issues;· Test environment building, integration and maintenance;· According to project assignment, to create automated test suites and scripts for relevant test tools;· To write defect reports and verifying corrections;· To collaborate with the stakeholders (system specification team & SW developers) and support other testers and developers;· Analyze system concepts, complex product and system features;· Design test cases based on feature specification;· To be responsible for test planning, test case design and test case coding (including effort estimation and work planning);· To be involved in test environment planning, building, integration and maintenance;· Create automated test suites and scripts for relevant test tools;· Execute test cases manually or automated on hardware;· Report test results into tools and generation of test reports;· Write defect reports and verify corrections;· Ensure quality, accuracy and efficiency;· Review requirements and participating to the early stages of specification creation;

Bucharest, Romania

Main activities and responsibilities: Support in the elaboration of Network and Telecommunications systems offers (Network, Telephony, Radio) for the railway sector Customer specifications Study Systems selection and BoQ definition Elaboration of Technical documentation Design of Network and Telecommunications systems (Network, Telephony, Radio) applied to railway sector. Project specifications analysis (requirements analysis and specification) System design (Architecture,interfaces, detailed definition) Equipment dimensioning Elaboration of customer documentation Personal involvement and commitment in the optimization of technical processes Managing onsite acceptance based on BOQ (device configuration list) Manage onsite Hardware Installation Supervision and Acceptance, like whether cabling correctly based on LLD, hardware installed correctly or not Design BOQ (device configuration) and project plan Development of mobile access network engineering solutions (network design) according to the customer's requirements regarding maintenance plans, network capacity and functional requirements Order fulfillment within the given timeframe and in high quality, taking into account given processes, customer-specific requirements and technical guidelines Support the customer with questions and problems related to Access Engineering, with a view to promoting customer satisfaction Communication of the project progress and possible escalations as well as independent search for solutions for registration Continuous further education and ongoing acquisition of new knowledge about current and future-oriented technologies and market developments Tehnical Skills Railway GSM-R systems, WIFI systems for ground and train. WIFI management systems for railway applications Radio Planning tools Ethernet, IP/MPLS, MPLS-TP, SDH, PDH, WiFi, VoIP, CCTV, PIS-PAS, Routers/switches IP/MPLS and Gigabit Ethernet,SDH Networks,NTP servers

- Monitor & analyze the GSM, WCDMA/HSDPA Radio Network Statistics on daily basis.- Achieve & maintain the Radio Network Performance as per the contracted KPIs (Accessibility, Retainability, Mobility & Service Integrity).- Responsible for reducing congestion and drops, improving the IRAT Handover, Soft Handover, Location Update, Paging, CSSR, RRC Connection & RAB Establishment Success rate in his designated area for all Voice, Video Packet & High Speed, issuing capacity requests whenever needed.- Responsible for Inconsistencies Checks, Packet Throughput, Parameter changes & Physical changes.- Responsible for testing the radio performance for the newly integrated sites.- Discuss the frequency & Scrambling Code retunes requests with his team leader for his designated area.- Responsible for the drive test analysis and taking the necessary action to improve the performance of his area.- Participate to planning, design, deployment and network expansions for base stations of theaccess network - multitehnologie - GSM, UMTS, LTE.- Develop BSC/RNC/BTS/NodeB scripts for network configuration (Toolsused:M2000,U2000,CME,XML Scripts).- Daily monitoring of network performance through performance indicators specific radionetwork(M2000/U2000 counters, PRS)- Analyzing collected data .- Optimize radio network based on the information observed daily in network performancemonitoring indicators.- Ensure solving problems of interoperability between systems troubleshooting GSM, UMTS,LTE, and equipments that have different manufacturers (such as interoperability issues betweentechnologies as well as interoperability between different vendors and with differenttechnology).

- Participate to all activities related to planning, design, engineering and implementation ofnetwork .-Defines network architecture -Performing complex tasks for technical design, engineering and optimization of new andexisting access networks.-Detailed design of complex parts in accordance with the technical solution.-Network and ensure necessary services provided optimum capacity and performance.-Designs network diagrams-Provisioning of complex components, atypical, the equipment of the customer location.-Achievement with the project manager to implement the plan for technical solutions.-Build and maintain technical standards for detailed design (configuration templates) inaccordance with the characteristics of standardized products and services.-Transmission of technical solutions to support teams(High Level Design,Low Level Design).-Providing technical support for activities associated with the implementation-Providing technical support in the procurement of equipments-Providing designing and engineering of network access for small and medium levels ofcomplexity-Accountable for solutions design and E2E delivery- Real time analysis and coordination of assigned customer implementations- Initiates escalation process in case of detected performance degradation- Involved in new solution definition for corporate customersTehnical Skills-Knowledge of Telecom networks (TDM), IP technologies and protocols, integrated networks,QoS policies.-Strong understanding of Ethernet and IP networking.-Theoretical and practical knowledge of installation, configuration and management ofcommunication networks (LAN / WAN, TCP / IP routing, firewall).-Access transport technologies (PDH, FO, wireless radios, 3G/4G)- Excellent knowledge on dynamic routing protocols- MPLS,BGP,OSPF,EIGRP,IPsec,VLAN- Security solutions based on Cisco technologies- Oracle/mysql/php/bash

- Supporting customers on phone and email regarding technical questions and issues related to: surveillance cameras (DVR), ADSL/VDSL modems, FTTH ONTs, routers, switches, WiFi access points, printers, fax machines, SIP IP Phones, Windows/Mac OS optimization. - Analyzing problems and developing solutions to meet customer needs.- Promoting Romtelecom’s products and services via telephone in order to help increase the company's revenue.- Promoting company's image through attitude, knowledge, customer orientation and responsiveness to customer's needs.

Master In Systems Engineering

Engineer In Systems Engineering