Ariful Islam Sarkar

Experience

• 

  Authentic ICT LTD

  Apr 2013 - Jan 2014

  Support Engineer

  Operating System Installation of Windows XP/VISTA and Windows 7.• Provided functional and technical support, troubleshooting and diagnosing hardware and software problems, including desktop, laptop, LAN, and remote systems.• Diagnosing Hardware problems and installation of various printers

• 

  Divine IT Limited

  Dec 2014 - Jan 2024

  • Manage all Servers in Linux and Windows environments.• Manage installations, upgrades and configurations of hardware and software ofPrismERP.• Assess Server performance and recommend improvements.• Monitor regular patch update company internal Server and applications.• Monitor system security operations (user authorization, permission revoke in email,Server and GitLab and application)• Monitor SOC Center with smoot operations.• Assess and supervise soc team for vulnerability assessment.• Provide support and guidance to the team members for a smooth operation system andserver.• Ensure proper data backup of client and delete data periodically.• Establish new and innovative processes that provide maximum availability andservice to PrismERP clients on a 7/24/365 basis.• Overall configuration and monitor database (MySQL,Oracle, PostgreSQL,MSSQL).• Overall configuration and monitor virtualization (ESXI, Hyper-V).• Install and configure docker• Docker container image build, expose port, backup container.• Create a custom image from the YML file Show less • Experience working in operations role using Red Hat Enterprise Linux / CentOS / in a high-availability environment• Configure &Manage User &Group, Disk Partition, Firewall • Installation and configure &maintain (MySql, MS SQL, PostgreSQL, Oracle)• Configure automatic database backup and notification by email.• Install & configure SSL certificate in Linux server. • Install and configure DNS, reverse proxy, FTP, Samba, squid proxy.• SSH security using RSA key base login • Website ddos attack protection using cloudflare DNS.• Maintenance version control software ( svn, gitlab). • Maintenance hosting server (Netelligent , PoundHost, multacom, SoftLayer,)• Maintenance Cpanel hosting (WHM, Lunarpages) website. • Virtualization (ESXI Server, vCenter, KVM, Hyper –V)• Storage (ibm v700, nas sas)• Mail server configuration and maintain (G Suite,zimbra, cpanel ,zoho mail)• Google play store account maintains, update, and release new version of apk.• Install and configure Web Server (Apache, Nginx, Tomcat, IIS)• System Monitoring tools (Zabbix, Nagios, logstash, zabbix).• Window server (AD, file server, print server, DNS server, failover cluster)• Expert in troubleshooting hardware and software problems Windows & Linux Platform. • Log Analysis of System. Show less • Installing, configuring and upgrade software, hardware and networks.• Monitor performance and maintain systems according to management requirements• Mikrotik (load balancing, bandwidth & queue management, pptp vpn, eoip tunnel, port forwarding, Nat).• Configuration Wi-Fi router with bridge and AP mode.• Assists in coordinating special projects including network related wiring plans, LAN/WAN hardware/software purchases, and system installation, backup, maintenance and problem solving.• Operating System Installation of CentOS, Redhat and Windows Server Windows 7-10. • Provided technical support, troubleshooting and diagnosing hardware and software problems, including desktop, laptop, LAN, and remote systems.• Install and Maintenance Linux based ERP server.• Install configure and manage VoIP soft switch (core4switch), core4voip billing in Linux.• Configure and manage Cisco wiles controller and cisco ap• Maintenance domain controller, domain point, MX record point.• Install and configure attendance device, IP camera, IP Phone. Show less

  • Manager, System Operations

    Sept 2021 - Jan 2024

  • Senior System Administrator

    Dec 2019 - Dec 2021

  • Senior Software Support Engineer

    Dec 2014 - Dec 2019
• 

  EOM,CPTU

  Feb 2024 - now

  DevOps Engineer