Engineer Project

Ashif Rizwan

*** ******* ******, ***********, ** M1N 3W7

Cell: 647-***-****, Email: acrci0@r.postjobfree.com

Linux Systems Engineer (permanent)

PROFILE

- 4 years of experience in IT Networks/Telecom industry

- Extensive experience on configuration and maintenance of Linux based -Red Hat server, Suse, Centos Linux servers

- Experience on performing Linux server OS/patch upgradation, backup operations and other regular server maintenance activities

- Hands-on experience on employee IT desk side support

- Outstanding knowledge in Cisco devices i.e. Switch, Routers etc. for deploying LAN/WLAN/WAN

- Lead and supervise technical teams of the vendor for network node/server implementation and integration

- Exceptional communications and organizational proficiency with team building skills TECHNICAL SKILL

Server Competencies: Red Hat, CentOS, Linux Mint, SUSE Linux, UNIX, TCP/IP, SSH, FTP, HTTP, DHCP, SAMBA, SMTP, SNMP, NTP, LVM, SSL, NFS, Apache

Tools: MS office, VMware ESX, Virtual Box

Routing Protocol: RIPv2, IGRP, EIGPR, BGP and OSPF LAN/WAN Technologies: L2/L3/L4 switching and routing, VLANs, VPN, VTP, QoS, ACL,NAT Application Load Balancer: Citrix NetScaler MPX11500, F5 BIGIP (LTM) Systems: Windows, UNIX, Red Hat Linux, MS Active Directory, Microsoft Exchange server PROFESSIONAL CERTIFICATIONS

- Linux Red Hat Certified System Administrator (RHCSA ID: 140-189-721, valid till Sep 28, 2017)

- Linux Red Hat Certified Engineer (RHCE ID : 140-189-721, valid till Sep 28, 2017)

- Cisco Certified Network Professional –Switching Part (CCNP ID: CSCO12367695, valid till May 9th, 2018)

- Cisco Certified Network Associate (CCNA ID: CSCO12367695, valid till Jul 19, 2016) PROFESSIONAL EXPERIENCES

Core Network Administrator, Core Network Jun 2011-May 2015 Banglalink Digital Communications Ltd, Vimpelcom, Dhaka HQ, Bangladesh

- Installed new/rebuilt existing servers and configured hardware, directories, storage etc. in accordance with standards and project requirement

- Analyzed system performance (CPU, Memory, NTP, Disk Usage, LAN & Physical alarms) for smooth service running

- Taken Level 0 or 1 backup of OS, DB, and application of Linux servers

- Administered of Red Hat servers and Suse Linux based iManager server – managed system back-up, database and restored protocols.

- Configured NTP Client/server for Linux server

- Perform network QA test, system analysis and troubleshooting in order to resolve problems on servers and other network devices

- Created, changed and deleted user accounts as per requirement. Implemented Linux OS patch upgrades on a regular basis

- Prepared periodic performance report of the system. Developed Service level agreements (SLA) with other departments

- Maintained desktop computer and laptop systems, software applications, telephony, mobile devices and network infrastructure.

- Coordinated and implemented hardware upgrades and replacements as required for the employees.

- Logged all IT support activity in the service management ticketing system.

- Worked on Help Desk tickets that come in via phone or email.

- Configured and managed implementation of LAN/WLAN/WAN equipment and related services of the network

- Operated and maintained Cisco switches and routers Project Accomplishments:

- Five Visitor MSS (Main Switching Server, Red Hat based) and Eight MGW successful on Air: Managed and co-ordinated the project planning and implementation of five Huawei visitor MSS with 8.6M subscriber and eight MGW on four regions.

- Nokia One NDS NT-HLR (Oracle Solaris Linux servers) migration: Led the migration of Nokia One NDS NT-HLR with 57M subscriber’s data successful migration from older servers to newer servers. Prepared and validated project plan and integration

- Software version up-gradation: Managed software up-gradation of iManager (Red Hat), MSS (Main Switching Server) and HLR servers

- Implementation of Data Center: Managed the project for migration of all the services to the new Data Center from two old data center A series of Cisco Routers (ASR 9006, 7606), cisco Nexus Switches (7009, 5548, 2248), Cisco ASA5585 firewall have used in this project This project involved migration of around 200 Physical Rack mount servers (HP, IBM), ESXi (with around 400 VMs), storage

- Implementation of application load balancer Citrix NetScaler MPX 11500: Planned and co-ordinated the migration of application Load Balancing from existing one to Citrix NetScaler MPX 11500. Applications operated through NetScaler load balancer is mail server, employee attendance system, Customer Care call centers, postpaid subscriber Billing Modules etc.

- WLAN infrastructure upgrade for high WLAN availability: Introduced and led this project for modernizing and upgrading existing WLAN (HP Aruba based) on internal network with Cisco routers which ensures high wireless connection availability

- Integration of multiple VAS nodes: Integrated multiple MCA (Missed Call Alerts), PABX, USSD server, ADM and MFS servers with Core Network. Also analyzed required capacity addition from MSS and STP side for forecasted VAS node integration

- Ericsson charging system CS 5.0 with Core Network: Managed necessary HW/SW support for deployment of Ericsson charging system (Suse linux based) CS 5.0 with Core Network side Achievement:

- Rewarded official appreciation from company CEO for Ericsson IN CS 5.0 successful integration/migration on the network Rollout Junior Engineer, RAN Implementation Jun 2010 – May 2011 Banglalink Digital Communications Ltd, Vimpelcom, Dhaka HQ, Bangladesh

- Performed and supervised the installation, commissioning & troubleshooting of Ericsson, Huawei and Nokia BSC and BTS

- Managed commissioning of MW equipment like NEC, NSN and Huawei PDH/SDH LINK

- Managed Shaft, Emerson, Huawei Ericsson power system installations (rectifiers, battery bank) from the vendors

- Performed acceptance test for MW/SDH transmission, BSC and BTS with vendors and handed over to operations team

- Coordinated the vendor’s technical team for the implementation and troubleshooting of RAN equipment

- Prepared reports and updated global rollout database regularly Project Accomplishments:

- Successful on-air of total 210 BTS and 5 BSC of Huawei, NSN and Ericsson

- Ericsson BTS and BSC swap project (Ericsson to Huawei) completion VOLUNTEER EXPERIENCE:

Volunteer Engineer Sep 2009

Energypac Engineering Ltd, Savar, Dhaka.

- Trained on manufacturing process of Power Transformer, Distribution Transformer, Instrument Transformer (CT & PT) and Switchgear items (LT, HT Circuit Breaker, PFI, Isolator)

- Inspected the performance of transformers and Switchgear equipment RESEARCH & PUBLICATIONS

- Paper on IT communication field titled as “A self-adaptive super peer based topology for unstructured P2P system”, which was published on IEEE conference held on IEEE-EUROCON 2013, Croatia EDUCATION

B.Sc. in Electrical and Electronic Engineering Mar 2006- Apr 2010 Khulna University of Engineering & Technology (KUET), Bangladesh Canadian Equivalency: Bachelor degree (four year) - Assessed by WES Canada PROFESSIONAL TRAINING

- Fundamental training on Soft Switch Servers by Huawei technologies Mar 2015

- Core power equipment dimensioning and safety standardization by Egyptian Team Aug 2012

- Basic GSM technology and wireless comm. on GSM system by Huawei technologies, Chinese team Mar 2011

- NSN Flexi BSC and BTS installation and commissioning by Nokia Siemens Networks, German team Jul 2010

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