Md.Sirajul Islam Sumon

Experience

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  Metrotel Works

  Dec 2013 - Apr 2014

  RF Optimization Engineer

  Survey, Drive Test, RF Optimization, Core Network Application

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  Augere Wireless Broadband Bangladesh Limited

  Sept 2014 - Nov 2016

  Technical Support Engineer

  • Expert of solving any problem regarding CPE (Customer Premises Equipment)• Provide 2nd Level Support to the Customers• Collaborate with concern Department for Customer Complain Resolution• Able to work out probable causes of network failure issue• Test for faulty devices to find root cause of malfunction, Highly skilled on troubleshooting, networking problems.• Able to cooperation other functional units (Transmission, NOC, Billing, RF,IP-Core, Core) within organization.• Able to design, implementation and maintenance of LAN & WAN , Switch router configuration & maintenance• VPN connectivity with WiMAX CPEs• Worked with CPE Vendors like ZTE, Green Packet and Airstream• Hands on experience with various tools like Team viewer, Ping test, Latency test etc.• Submit report to Higher Management for customer’s problem regarding various problems• Configuring Linux based DNS server, DHCP server, Mail Server (MTA-Send mail, Postfix), Web server (Apache) and FTP server (VSFTPD), Proxy server (Squid). Show less

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  Systems Solutions & Development Technologies (SSD-TECH)

  Dec 2016 - Jan 2018

  Network Support Engineer

  • Configure manageable switch and router also maintain.• Solving problem related to WLAN, LAN, IPv4 and Internet Connections• Follow up different types of Applications used in the organization.• Support, Training and Troubleshooting regarding IT Support.• Provide Different types of Software, Hardware and Network Based Technical solutions to the Employee and end user.• Planning for Installation, Identifying Scope of Deployment, Assuming Configuration Details and Analyzing Services Requirements for various IT Services Show less

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  Genex Infosys Limited

  Feb 2018 - Jul 2021

  Sr. Executive IT

  •Administration & maintenance of Network devices, & LAN, WLAN, Internet troubleshooting.•Installation, configuring and maintain Mikrotik Router and Cisco Layer -2 switch•Installing and maintain server in physical or virtual environment like hyper v, ESXI-6.5.• Maintain Windows server, Linux mail server, FTP server and share drive.•Administration of Active Directory, GPO, DNS ,DHCP and File server.•Installation and configuring appropriate software & functions according to specifications.•Diagnosing, resolving & documentation of major technical issues regarding infrastructure.•Ensuring security of networks and computer systems through Firewall (Fortinet) & Antivirus (Kaspersky).•Physical inventory of IT asset & keep log in fixed asset change, disposal & warranty claim issue.•Conducting End user IT skill enhancement session. Show less

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  GIGA TECH Limited

  Aug 2021 - Sept 2024

  System Engineer

  • Installation, Configuration, Administration, troubleshooting of Windows Server 2019 & 2022. • Installation, configuration, administration Active directory Domain Service, Certificate Service, Group Policy, File and DNS Server. • Deployment, administration of Storage Spaces Direct (S2D).• Deployment, administration and troubleshooting of Microsoft Exchange Server 2019 with HA. • Deployment, administration of Microsoft endpoint configuration manager (MECM / SCCM). • Deployment, administration of System Center Data Protection Manager (SCDPM).• Deployment of MSSQL HA (multiple Node).• Configuring Failover Clustering -Hyper-V Cluster & Application cluster with HA. • Deployment, administration and troubleshooting Virtualization Platforms like VMware, Hyper-V, Fusion Sphere (Huawei). • Deployment, administration and troubleshooting of VMware Horizon 8 (VDI), VMware vSphere & Microsoft Virtual Desktop. • Installation, Configuration of Backup Solution – Commvault, Veeam. • Installation, Configuration, Administration of Storage server - Windows(iSCSI), Huawei oceanstore, HP MSA.• Deployment, administration and troubleshooting of Complain management system like - OSTicket, OTRS. • Monitoring Windows Servers Performance and Tuning. • Ensuing data security though GPO and NAS access policy. • Managing company Microsoft, VMware, Huawei Partner profile. • Working with various server vendor like: Dell, HP, Huawei, Cisco supermicro and Lenovo .• Conducting End user IT skill enhancement session. Show less

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  Huawei

  Oct 2024 - now

  Application and Software Engineer III