Ashikur Rahman

Experience

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  REVE Systems

  Jan 2019 - May 2021

  Software Support Engineer

  Currently working intensively in a Support environment on Linux (Redhat/CentOS) servers & Mysql (5.1.x) databases. Providing 24*7 on-call/remote support to clients running iTel VoIP Soft Switch and Dialers.Technology: VoIP, IP Telephony, MySQL, Redhat/CentOSResponsibilities included:>> Online and Onsite Solution to clients for different Technical Problems>> Giving Technical Training on products to clients from different part of the World>> Maintenance, Monitoring & Administration of high traffic carrier-grade Switch servers (VOIP).>> Troubleshooting and performing System/Server administrative tasks on Redhat/CentOS servers in Remote Data Centers.Working on a network of 1500+ Servers.Writing Moderately complex shell -scripts.Troubleshooting Apache TOMCAT web server and applications.Performing day-to-day MySQL Administrative tasks.Database size ranging from 2 GB to 10 GBWorked specifically on MySQL 5.1.x servers with MyISAM storage engine.Installation: using rpm, binary sources, Setup Multiple MySQL servers.Maintenance: using myisamcheck, mysqlcheck, analyze/optimize/repair.Backup & Restore: mysqldump, physical backup of myISAM tables.Replication: setup Master-Slave replication.SIP/UDP/TCP packet sniffing using tcpdump & WIRESHARK.Tracing & Analyzing SIP/UDP packets (Server side as well as from application side) for VOIP applications. Show less

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  SSL Wireless

  Jun 2021 - Dec 2021

  Executive
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  Department of ICT

  Dec 2021 - now

  Assistant Network Engineer
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  Self-employed

  Sept 2023 - now

  Freelance Web Developer

  As a WordPress expert, I help my clients by creating attractive and easy-to-use websites that achieve their goals. I make their ideas come alive with unique designs, mobile-friendly layouts, and effective features. I also make sure their websites perform well on search engines and offer ongoing support, so they have a strong and trouble-free online presence.My skill set includes:◉ HTML CSS JavaScript PHP MySQL◉ WordPress+Elementor Pro◉ Website Redesign◉ PSD to WordPress◉ Figma to WordPress◉ Landing Pages◉ E-Commerce Solution◉ SEO, Speed Optimization & Security◉ Migration, Training & Support◉ Bug Fixing Show less