Hamid Sattar

Experience

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  Sohail IT Solutions

  Jun 2015 - Oct 2018

  IT Assistant

  • Installation and configuration of Windows Operating System on multiple Sites.• Installation & Configurations of new software’s as per user requirement. • Installation of new Server and Desktop hardware.• Network rack and cable management.• Installation of Printers, Scanners, Workstations, Laptops locally & remote locations.• Management, Monitoring & Installation of NVR and DVR.• Setting up user accounts, permissions and passwords on Windows Platform.• Responding in a timely manner to service issues and requests.• Troubleshooting & fixing slow speed internet issues.• Fixing slow system speed related issues.• Providing technical support across the company (this may be in person or over the phone)• Testing new technology on Virtualization Platform as well as on physical Desktop servers.• Management of company IT equipment’s in inventory management software.• information security and control structures.• Ensure security of data, network access and backup systems.• Troubleshooting of windows & software’s issue.• Troubleshooting of Network related issue.• Responsible for other tasks assigned by IT Manager / Management Show less

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  Information Process Solutions (BPO, Medical Billing, Software House)

  Oct 2018 - Nov 2021

  IT Network & System Support

  • Planning, designing, installation and configurations of new network devices including Cisco Routers (3825, 3845), Cisco Switches (2950, 2960, 3750-G) and access points.• Installation, configuration & management of Cisco 6509-E switch.• Management of Cisco Routers, Switches, ACL, Access point, Vlans (Voice and Data), Trunk Links, Ether channels.• Network documentation if there is any change in the company’s network.• Monitoring & Administration of Information process solution’s LAN, WAN and Wireless network for voice and data traffic.• Design and configured network topologies as per requirement on GNS3 for testing purpose.• Ensure Local area network security via Port security, DHCP snooping, BPDU Guard, BPDU Filter, Root Guard & Loop Guard.• Ensure first hop redundancy via HSRP.• Ensure Wide Area Network connectivity via IP SLA & Failover.• Monitor network performance (availability, utilization, throughput, and latency) and test for weaknesses.• Management and Monitoring of all network devices & Servers on PRTG Server.• Replacing faulty network & Servers hardware components when required.• Management and Monitoring of Issabel IP PBX.• Ensure connectivity with SIP provider via IP SLA.• Install and integrate new server hardware and applications.• Maintaining, configuring, and monitoring virus protection software and email applications for end user.• Management and monitoring of ESXI host 6.5 on Vcenter Management plane.• Management of servers included (Dell PowerEdge R720, R710, R610 etc.)• Provide efficient and timely remote support to end-users for both hardware and software related problems.• Fixing software and networking issues.• Management of Firewalls included (Pfsense, ASA) Show less

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  TechDuo Solutions

  Dec 2021 - Jul 2022

  Assistant IT Manager

  • Respond promptly during outages and recommend solutions for performance issues.• Maintain network security with Pfsense firewalls and define network access rights.• Managing and monitoring Issabel PBX.• Managing and monitoring Vicidial.• Management of windows server 2016.• Management and monitoring of ESXI host 6.5 on Vsphere Vcenter.• Responsible for configurations & installation of all existing & new networking devices.• Monitoring of Network devices including Cisco router, Cisco Switches, & Access Points on PRTG.• Management of OpenVPN on Hetzner Cloud.• Maintain complete documentation in case of any change in Network Infrastructure.• Administration of data backup server FileZilla on cloud.• Administration of remote desktop server.• Responsible for fixing Voice related Issue (Distortion, One-Way Audio, Incoming & outgoing calls issue)• Installation, configurations & Management of servers locally as well as on cloud.• Coordinate with ISPs in case of high latency, packet loss.• Delegate duties and tasks within the IT department.• Write and forward regular reports to the management.• Ensure that the company’s data and information are protected from unauthorized access.• Coach all team members and motivate them to produce desired results. Show less

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  King Revolution (PVT) LTD

  Aug 2022 - Sept 2023

  Linux System & Network Administrator

  • Installation and configuration of various Linux distributions including Debian, Ubuntu, & CentOS.• Installation of various servers including VoIP monitor, asterisk, 3cX, Issabel PBX, Apache, MariaDB and monitoring servers.• Installation, configurations, monitoring and management of services like ProxySQL, HAProxy, Galera cluster.• Deployed, configured and managing FreeIPA centralized SSH management server.• Managing & monitoring Physical & Virtualized Servers on remote sites located in USA and UK.• Monitoring of complete infrastructure including Servers, Routers, Switches & Firewall on Zabbix monitoring server.• Deployment and management of VPN servers including Wireguard, Pivpn, Pritunl, OpenVPN.• Management and monitoring of VMware vCenter Server 7.0.3• Backup of virtual machines on Veeam backup & replication server.• Management of OpenWRT open-source router.• Managing & Monitoring Cisco switches & Routers.• Management of Pfsense firewall• Management of SSL certificates via Certbot• Keeping all servers updated and secure• Administration of office 365• Managing DNS records of Cloudflare Show less

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  Origen

  Oct 2023 - now

  Network & Virtualization Specialist | VoIP Engineer

  • Oversee the management of Cisco Meraki Firewalls for remote sites in Canada and Qatar, ensuring network security and connectivity.• Manage site-to-site and client VPN configurations to provide secure remote access.• Administer SonicWALL Firewalls, including configuration, updates, and monitoring.• Install, configure, and monitor virtual machines on VMware vCenter Server to optimize performance.• Manage DNS records using EasyDNS and oversee SSL certificate management on CheapSSL.• Provide remote technical customer support via phone and remote desktop management.• Install and configure IP phone systems (Mitel, Grandstream, Yealink, Cisco) using auto provisioning and manual configurations.• Manage, configure, and monitor Bicom Systems Serverware and Pbxware telephony solutions.• Configure new tenants on Bicom Systems and set up IVR, call queues, operational hours, and VOIP configurations.• Deploy and manage Yeastar P-Series Cloud PBX solutions and perform white labeling for Origen branding.• Integrate Yeastar and Bicom Systems with platforms like Salesforce, whatsapp and many more as per customer’s requirement.• Manage SIP providers (Thinktel, VOIP Innovation, Telnyx) and administer LeaseWeb cloud services.• Oversee Bell Internet Portal services and troubleshoot network issues.• Ensure system upgrades and security patches are up to date.• Provide training to junior team members as a senior IT personnel.• Administration of Microsoft 356 services. Show less