Summary

17 years of professional experience in planning, designing, implementing, installing, Testing, Commissioning, maintaining, and troubleshooting IP/TDM based transport network including MW / Fiber Backhaul, Long Haul Transmission network, Core Backbone Network Integration, Networking and RF / Wireless Communications Networks.

Skills/Tools:

• Cisco ASR 9K, 7600, 6500, 4900, 4500, 4000, 3600, 2900, 2600, NEXUS 7K, ALU 7750, 7705, 7450, 6850, 6900. Cisco IOS, NX-OS, Cisco PIX Firewall, Cisco Bandwidth Manager, Cisco Works, Cisco Call Manager Express, Windows 2000 Advanced server, Windows 2000 Professional client, SUN Solaris 2.5.1, RADIUS Server, Windows NT 4.0, IIS 4.0, DNS, Microsoft Exchange, Apache, Squid, SMTP, POP3 Server, UNIX HP-UX , Linux Red Hat .
• Enterprise network with Access, Distribution, Core routers. Layer 2, layer 3 LAN/WAN protocols, OSI model, TCP/IP, DHCP, IP Addressing, IP Routing, VLAN, Inter-VLAN routing, VTP, STP, RSTP, RPR, IP/ MPLS, VPN, WiFi/WLAN, VoIP/IP Telephony, WEP, IPsec, IKE, ISAKMP, IDS, DES, 3DES, AES, MD5, SHA, Firewall, DMZ, Access Control List, NAT/PAT, Bandwidth Management, QoS, Load Balancing, Multi Homing, RAID, SAN, DAS, NAS, ESCON, FICON, Fiber Channel, LNA, Satellite Modem.
• Windows, Unix, Linux Server administration. Shell Scripting, Ping, Traceroute, Ipconfig, ftp, tftp, sftp, cuteftp, DNS, DHCP, FTPS, ICMP, SMTP, NNTP, NFS, HTTP/HTTPS, SSL, SSH, PPP, L2TP, PPTP.
• RIP V.1, RIP V.2, OSPF, BGP, IGP, EGP, IGRP, EIGRP, IS-IS.
• TL1, SNMP, HP Open View Node Manager 7.0, NetViewer 9.0, TNMS 10.0, Mini Link Manager 7.1
• SDH/SONET, Ethernet over SDH/SONET, DXX/CWDM/DWDM/ADM/ROADM, xPON/FTTx, xDSL, Fiber Modem, Leased Line, IPV4, Frame Relay, Network Synchronization, NTP Server, Signal monitoring, Digital Cross-connect Systems DCS , DS0, DS1, DS3, T1/E1, E3/T3, OC-3/STM-1, OC-12/STM-4, OC-48/STM-16, OC-192/STM-64 etc.
• Tx integration of MSC, BSC, BTS, MGW, T-MGW, MSS, T-MSS, GGSN, SGSN, and Optical MUX for 2G, 2.5G network. Tx route plan, integration at T1/E1, VC-11, VC-12, VC-3, VC-4 level using NCM Network Configuration Manager , NRM Network Resource Manager of MDOCS-CRAMER, GRANITE, WebXing, IWOS, ROC Roll Out Controller , ERP software.
• OSN 6800 Huawei , HiT 7070, HiT 7050, FMX II/CMX NSN , TimeSource 3000, SSU2000e Symmetricom , RBS 2202/2206, AXE10 Ericsson , Athena Frame Relay Switch 8 Develcon , BreezeACCESS XL, WALKair 1000/3000 Alvarion , Canopy 400 Motorolla , xDSL Dasan, D-Link , Fiber Modem RAD, Patton , ZXJ10 V.4 , ZXJ10 V.10 , ZXSM150 ZTE .
• Pathloss 4.0 and 5.0, MapInfo 10.5, Google Earth. MW link plan, design, re-route, optimization, performance measurement, improvement, link budget, propagation modelling, site survey, LOS checking, freshnel zone calculation, interference checking, availability, reliability calculation, topology, protection mechanism, capacity management.
• IEEE standards, such as G.7xx, G.8xx, G.9xx, G.6xxx. G.7xxx, G.8xxx, H.7xx ISUP, SS7, H.323, SIP , IEEE 802.1d, 802.1w, 802.1q, 802.11 a/b/g/n, etc. Asynchronous and Synchronous protocols V.11, X.21, V.35, TIA-232, RS232, RS530/RS422, G.703, G.704 and interface converter Patton, D-Link, RAD.
• Knowledge on RF Propagation, GSM, UMTS, W-CDMA, WiMax 16.d and 16.e , Node B, RNC, RAN, HSPA, Uu, Iu-PS, Iu-CS, Iub, Iur, Codec, X.25, ATM, ISDN, VMware, Carrier Ethernet, MEF, HFC, CMTS, DOCSIS.
• GPS, BER Tester, OTDR, Power Meter, Protocol Analyzers, and Spectrum Analyzers.
• Microsoft Office suit, Microsoft Project 2000, Microsoft Visio 2000. CCNA, CCNP, CCIE studies completed.
• Familiar with HTML, C, C , Sell scripting etc.
• Business case analysis, cost-benefit analysis calculating Capex, Opex, TCO, NPV, IRR, ROI/ROR, Payback period, Opportunity cost etc.
• Gantt chart, PERT, CPM, WBS, PMATT, Six Sigma, Change Management in Project Management.

PROFESSIONAL EXPERIENCE:

Confidential

• Creating, editing, updating, validating, testing, executing and troubleshooting the configuration file for ALU Service router 7750, 7450 for IPTV project.
• Creating, modifying, updating and verifying physical and logical network connectivity diagram for IPTV network.
• Creating, modifying, updating and verifying Master Spread Sheet for VHO, SHO for AT T IPTV network.
• Providing delta configuration for ALU 7750 and 7450 for NSIT Lab.
• Configuring port, vlan, lag, QoS, bgp, ospf, mpls, rsvp, lsp, ldp, igmp, sdp, sap, IES, vpls, vprn, ipv4, ipv6.
• Working with weblib, sharepoint, IBM Rational ClearQuest, JIRA 5.2, P8 application.

Confidential

• Creating, editing, updating, validating, testing, executing and troubleshooting the configuration file for ALU Omini switch 6850, 6900 and ALU Service router 7750, 7450 for IPTV project.
• Creating, modifying, updating and verifying physical and logical network connectivity diagram for IPTV network.
• Creating, modifying, updating and verifying wirelist for IPTV server connectivity.
• Creating, modifying, updating and verifying Master Spread Sheet, vlan assignment for IPTV network.
• Creating, modifying, updating and verifying Master Spread Sheet for IAC, VHO for AT T U-verse IPTV
• Providing delta configuration for Cisco 6500, Nexus 7K for AT T U-verse IPTV
• Confguring port, vlan, lag, QoS, bgp, ospf, mpls, rsvp, lsp, ldp, igmp, sdp, sap, IES, vpls, vprn, ipv4, ipv6.
• Working with weblib, sharepoint, IBM Rational ClearQuest application

Confidential

• Creating, modifying, updating, reviewing, approving and executing of MoPs for NGMSO integration and migration for core and access transport network ORC, DRC, BRC, ASM, ASA etc. under engineering and operation team.
• L2/L3 network, BGP, OSPF, IP/MPLS, Access list, route redistribution, route filtering, Sigtran tunnels configuration, modification and migration.
• Working with ASR9K, Cisco 7600, 6500, 4900, 4500, Nexus7K switches/routers. More than 50 devices migration done.
• Working with GRANITE, IP Controller, HOMER, NICEE, HP-NA applications and utilities.
• Joining daily conference call with vendor and cross-functional teams.

Confidential

• Layer 2 design Customer Bridge, Provider Bridge, Provider Backbone Bridge, Carrier Ethernet, Metro Ethernet, VLAN tagging, Q-in-Q for Ethernet based MW backhaul for different markets.
• Carrier Ethernet characterization testing RFC 2544 such as interface verification, UNI Ethernet frame verification/ MAC address scalability, Service Multiplexing and Bundling, Jitter and Latency, VLAN Filtering, VLAN Leakage, VLAN Preservation, Priority bit preservation, Ethernet service transparency, Flow control, Class of Service, Service Frame Delivery, L2 protection.
• Plan, design and optimize MW links in 6, 11, 18, 23, 38 and 80 GHz bands for ethernet based MW radios Mini Link TN using pathloss 5.0 for different markets.
• MW network topology and architecture design Access ring, Transport ring, Necklace, Hub, MiniHub, Remote site, Spur node, Hub and Spoke etc ,
• Link budgeting, propagation modeling, freshnel zone calculation, availability and reliability calculation, capacity calculation, frequency, modulation and radio system selection, protection systems design ERP, STP, RSTP, MSTP, G.8031, G.8032, BFD
• Network design along with all network related information updated in Visio and MapInfo.
• LoS survey checking and approval
• Ericsson SP 310 L2 switch studied.

Confidential

• Designing Ethernet circuit paths using GRANITE software for backhaul migration from TDM to IP between
• RNC and existing Cell sites of AT T 3G network for capacity upgradation.
• Designing Ethernet circuit paths using GRANITE software for backhauling between RNC and new Cell sites for AT T 3G
• network.
• Designing circuit segments, assigned CFA and created T1 paths for NSB New Site Build , UMTS Launch 3G , IuB
• Growth Capacity Upgradation using GRANITE software.
• Ethernet circuit designed by using ALU 7750 SR12, ALU7705 SAR-8, Tellabs 8860, Tellabs 8605D and Tellabs 5500
• for type 2A, 2B, 2C, 800, type 1 trunks.
• Creating, modifying equipment, card and port in granite database for different nodes RNC, EDGE MSN, IP MSN, Cell
• Site Router . Updating Granite database inventory.
• Creating, modifying, updating, uploading CIQ for Ethernet circuit paths for backhaul connectivity between RNC and Cell
• sites for AT T 3G network.
• Using TRIFECTA for data verification and validity. IP ordering using IWOS. Issue and Coordinate internal work orders with ASR team. Ticket resolving, assigning, re-assigning for circuit integration. VLAN verification and validation.

Confidential

Fiber Network Architecture :

• Planning, designing, implementing, coordinating, and leading for various fiber optic network deployment.
• HiT 7070, 7050 planning, dimensioning, deployment in fiber optic network for 2G, 2.5G network.
• DXX/CDWM/DWDM/OADM/ROADM planning, dimensioning, deployment with protection mechanism in fiber optic
• Network for 2G, 2.5G network.
• Fiber ring formation, configuration, circuit design, cross-connection in ADM.
• Aerial fiber deployment plan, design, dimensioning and implementation.
• Preparing RFQ, RFP, technical specifications, equipment and vendor selection, vendor management for fiber network.
• Planning, technical documents preparation, deployment of primary reference clock, NTP server in real network.
• MSC, BSC, BTS, MSS, TSS, MGW, T-MGW, SS7, MUX integration using the NCM Network Configuration Management
• software.
• MW Backbone Network Architecture:
• Design, plan and deploy 3 1 SRA S3 SDH high capacity microwave link for countrywide backbone network.
• Microwave backbone network built up, optimization, quality, performance measurement and improvement.
• Preparation for RFQ, RFP technical bidding documents, project management, project coordination for HC SDH
• microwave backbone network.
• Vendor selection and management, database management and update, weekly report generation and presentation on
• high capacity SDH backbone network.

Confidential

Access Network Architecture:

• Planning, designing, deployment of SRA L, SRAL ND, SRAL HD/HP, SRAL XD, Mini Link E, Mini Link TN, Paso link,
• Paso , NEO, SRA S3 PDH/SDH mw link for access network.
• Microwave access network capacity build up, optimization, quality, performance measurement and improvement.
• Preparation for RFQ, RFP, technical bidding documents, project management, project coordination, for HC/LC PDH
• microwave access network.
• Vendor selection and management, database management and update, weekly report generation and presentation on
• HC/LC PDH microwave network.

Inter Operator Connectivity :

• Planning, designing, deployment of SRA L, SRAL ND, SRAL HD/HP, SRAL XD, Mini Link E, Mini Link TN, Paso link,
• Paso , NEO, SRA S3 PDH/SDH mw link for other operator connectivity.
• Site survey, site selection, site preparation, power connectivity, link acceptance, link interfacing, NMS integration,
• circuit design, cross-connection and traffic routing.
• Coordination with cross functional internal/external teams/groups, project management, database management
• update, weekly utilization report generation and analysis.

Confidential

• Installing, testing, commissioning and maintaining of 220 digital telephone exchanges, ADM and transmission links.
• Configuration of MSU, RSU, ADM, transmission links, SS7, billing system, CLI, call forwarding, call waiting, call
• diversion, call tracing, call blocking, call conferencing etc.
• ADM planning, dimensioning, tx power, receive level, loss calculation, link budgeting, redundancy and protection.
• Working with Windows NT, SQL Server, MS Project 2000, ZXJ10 v4 , ZXJ10 v10 and ZXSM150.
• Site surveying, site selection, site drawing, site preparation, co-ordination and project management for 220

exchanges.

Confidential

• Planning, dimensioning, installing, testing, commissioning and maintenance of countrywide fixed wireless broadband
• data network using PtP, PMP radio link 3.5 GHz, 2.4 GHz , optical fiber, frame relay switches.
• Installing, testing, commissioning and configuring of ALVARION BREEZE ACCESS XL, WALKAIR 1000, LOS, NLOS,
• WLAN, FH- CDMA, DS-CDMA, OFDM wireless equipments. Wireless link planning, link budgeting, deploying, monitoring
• and measuring the performance of the wireless network.
• Installing, configuring and maintaining of DEVELCON frame relay switches, frame replay L2 VPNs, IP Mapping, DLCI,
• CIR, EIR,CBS, EBS, FECN, BECN, PVC, SVC, Cisco 2600/3600/4000 routers, switches, NAT, bandwidth manager,
• IOS, BS, CPE, repeater, VLAN, Inter-VLAN routing, WEP and TDM transmission links T1 .
• Providing solution for clients: end to end frame relay/IP VPN connectivity L2/L3 VPN , PVC, SVC, CIR, EIR, CBS, EBS,
• PIX firewalls, IKE, ISAKMP, CA, PKI, IPSEC, Site-to-site VPN, Remote access VPN, RADIUS, DMVPN, Cisco Call Manager
• Express, domain Trusting, multiple domain under one LAN, WINS, DNS, mail server configuration, VoIP solution VoIP
• over WAN , network security, network intrusion and spoofing prevention.
• HP OPENVIEW 7.0 Network Node Manager NMS installation and configuration, alarm monitoring and troubleshooting
• of radio links, frame relay switches and other network devices.
• Providing total end to end communication solutions to the various clients including MNCs, banks and financial
• institutions, stock brokerage houses, educational institutions, government offices, local corporate houses, ISPs and
• cyber cafes.
• Preparing, maintaining and implementing SLA Service Level Agreement with all clients and stakeholders.
• Supervising, mentoring, coaching, developing, training, leading the junior engineers for fixed wireless data network.

Confidential

• Installing, testing, commissioning and maintaining of enterprise LAN/WAN under Windows/Linux/Unix platform.
• Installation and configuration of Windows 2000 advanced server, windows 2000 professional, Windows NT 4.0, Linux
• Redhat and Unix server HP/IBM , DNS, Mail, Web and Proxy servers, Cisco 2500/2600/2900 switches and routers,
• Ciscp PIX Firewalls, Cisco Call Manager Express, CheckPoint, bandwidth manager and broadband internet connectivity.
• Configuring Windows active directory, IP addressing and subnetting, VLAN, static routes, L2/L3 VPN, NAT, access list,
• IPSEC, IKE, CA, ISAKMP, RADIUS, Site to Site VPN, Remote Access VPN etc.

Confidential

• Installation, testing, commissioning, and maintenance of 92 digital telephone exchanges, ADM and transmission links.
• Configuration of MSU, RSU, ADM, transmission links, SS7, billing system, CLI, call forwarding, call waiting, call
• diversion, call tracing, call blocking, call conferencing.
• ADM planning, dimensioning, tx power, receive level, loss calculation, link budgeting, redundancy and protection
• ensure.
• Working with Windows 3.1 and NT, SQL Server, MS Project 2000, ZXJ10 v4 , ZXJ10 v10 and ZXSM150.
• Site survey, site selection, site drawing, site preparation, co-ordination and project management for 92 digital
• telephone exchanges, transmission links and ADMs.

Confidential

• Installing, testing, commissioning, maintaining, troubleshooting of VSATs, LNA, satellite modems,
• Cisco routers, switches, firewall, bandwidth manager, terminal servers, DNS server, mail server, web server, proxy
• server, RADIUS server under Windows, UNIX and Linux platform for complete ISP set up.
• LAN/WAN/VPN connectivity installing, testing, commissioning, maintaining.
• Technical solutions, training, trouble shooting for both individual and corporate clients.
• Conducting training, workshops, technical presentations for developing team members.
• Worked on Shell Scripting, Linux Redhat , Unix HP/IBM , IIS 4.0, Window NT 4.0, Window 95, Windows 3.1, SQL
• Server, Cisco PIX firewall, CheckPoint.

Confidential

• Web portal design, update, for proshika computer system, badhon, biman Bangladesh, SAIC and many others.
• Web administration, web page uploading, FTP, web server administration, upgradation and maintenance.
• Worked on HTML, Cute FTP, Microsoft Photoshop etc.