Summary

• A self motivated engineer with more than 7 years of hands-on experience in different vendors of telecom industry extensive experience in operation and maintenance, optimization, commissioning installation of mobile core network sub systems.
• Thorough understanding and ample experience of PSTN, PBX, OSSRC, ENIQ, GSM, UTRAN and TCP/IP.
• Thorough understanding and application of specific node elements in GSM/UTRAN network: BSC, MSC/VLR, HLR, MGW, RNC, OSSRC server, Cisco ROUTER and SWITCH,MPBN
• System expert of OSSRC,GSM , WCDMA and TCP/IP
• Deeper understanding of call flows for different call types, such as 2G, 3G and 4G basic calls
• Thorough understanding and working knowledge of UTRAN and TCP/IP based protocols : DNS, DHCP, ICMP, UDP, SMTP, FTP, SSH, TFTP, RIP, BGP, OSPF, IGRP, EIGRP, SIP
• Extensively used network protocol analyzer tools: Wireshark, Cisco prime LMS , PRTG to troubleshoot network issues
• Have successfully provisioned and operated wireless network elements both radio/access side and core.
• Solid working knowledge of TCP/IP, RTP/RTCP, UDP, MGCP H.248 protocols.
• Developed a robust problem identification, analysis and on time rectification of network problems
• Extensive experience on Transmission Media, T1/E1, DS3/E3/T3/STS1, fiber Optic and Ethernet
• Solid experience on SS7 signaling: ISUP/MAP/SCCP/TCAP/INAP/CAP/SSP/SCP, gsmSSF/gsmSCF
• Strong Unix knowledge and basic scripting knowledge
• Strong team player
• Have developed an excellent communication skills through different market exposures in different countries

Technical Skill

• Core network Router, Switch, SUN Solaris servers, RNC, MSC, HLR, MGW, ENIQ
• Scripting Languages HTML/Java Script, SAP Business object
• Platforms Windows XP / 7/Vista/8, UNIX Solaris
• Vendors Ericsson APZ 212 33C/40/50, APG 40 C/2 , NSN, ZTE REL 4

Professional Experience

Confidential

System Engineer

• Expertise level support experience on Ericsson OSS-RC 5.x-13x ENIQ 11.x-13x for System administration on sun Solaris and window servers WAS and OIS
• Set-up AXE-APG 40/43 NEs for OSS-RC and integrate for system configuration for fault configuration and performance management.
• Perform software hardware debugging and troubleshooting on the core nodes
• EBID, Ericsson Business Intelligence Deployment installation , Configuration and Design Business Object KPI report template
• Updating the Cellular network parameters from the OSS side and manipulation of any applications on OSS servers.
• Perform preventive and corrective maintenance Health Checks, Backups etc for the OSS system
• Managing Network operation center Infrastructure: Perform configuration implementation, troubleshooting and maintenance on all OSS , data communication and/or peripheral equipment including Aruba wireless access points , Mikro Tik hotspot, Cisco Switch and Routers , ASA firewall
• Manage NOC 24x7 incident and Trouble tickets for root cause analysis, troubleshooting of technical issues, identification of interim work-around solutions, as well as the testing and implementation of identified solutions and change on LAN network environment
• Managing Cisco Internetworking Devices: Routing with STATIC, RIP, IGRP, EIGRP OSPF protocols, VLAN with VTP domain-client architecture, VLSM, Security using Access Lists on MPBN.

Confidential

Core Network Engineering Department as Senior Core Network Engineer

• Perform the tasks of designing, implementing, supporting, and managing networking and telecommunication UMTS infrastructure MSS, MGW, HLR, STP, FNR, AXE and CPP based nodes
• Coordinate the implementation of networking projects by working with vendors business partners to ensure the installations meet service level objectives , number analysis and troubleshooting of network related problems issues at all layers of the networking stack .integration and commissioning, Loading, Software upgrade of different telecom vendor Ericsson, NSN, ZTE equipments .
• participate and support for project to migrate the existing network to 3G, and coordinating Ericsson , NSN and ZTE R4 network subsystem of the entire country to perform core network Integration /Definition/Migration or Re-parenting of new RNC/BSC/BTS sites
• Undertake optimization and reconfiguration studies and upon completion prepare recommendation report for the execution party to optimize and expand supervise the inter-operation of system

Confidential

Core network engineering as Core network Engineer

• Daily Alarm handling and managing on National Network Operation Centre NNOC for MSC, MGW, GMSC, SGSN, GGSN and HLR USPP alarms and solving trouble ticket for the issues regarding stability of the of managed Ericsson ,NSN,ZTE core node faults ,prioritize them and take immediate action to correct them co-operate well with the customer care ensure the best feedback for the end users.
• Performs daily updated site list of the entire network operation for the optimization
• Testing and commissioning of new MSC, HLR and RNC/ BSC to be on air.

Confidential

As Senior Technician

• Working in the projects of country wide PBX Panasonic installation: Installation of PBX cabinets, racks, cabling E1, RJ11, RJ45 configuration and programming features, etc.
• Expertise in the installation, repair, testing and maintenance of telecom systems ,ADSL router and switches for the company .adept at analyzing problems and rapidly finding solutions based on the company requirement and regulations
• Install circuit breakers, transformers, stabilizers, generators and distribution systems