Hosein Kashefi

Experience

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  Kanoon Ansar

  Sept 2007 - Mar 2009

  Network Administrator

  • Maintained Microsoft AD and DNS• Maintained anti-virus Control center• Troubleshooting basic network faults• Technical support for Clients• Managing internet traffic and client usage by IBSng• Monitoring network devices by PRTG• Remote Assisting by Netsupport

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  Rayaneh Komak

  May 2009 - Aug 2012

  Network Engineer

  • Maintained the internal network and its connection to the external network.• Monitored the network to ensure optimal availability of services.• VLANs setup and configuration.• Troubleshoot complex problems and developed optimal solutions on the network.• Maintained network hardware and software and related tools.• Provided comprehensive network documentation.• communicated with third parties such as partners and vendors regarding technical issues.

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  MobinNet Telecom

  Oct 2012 - Sept 2021

  Senior Cisco Network Engineer

  • Managing and maintaining the network within SLA time and responsible for 99% network availability.• Maintaining network firewalls (ASA5585X, FTDv, FortiGate300E, Fortimail, Sophos UTM9) • Managing and configuring wireless network ( Cisco WLC, Ubiquiti)• Troubleshooting and identifying root causes of incidents and providing solutions subsequently.• Working closely with network partners and other teams in order to resolve incidents.• Implementing interior (OSPF) and exterior (BGP) routing protocols on L3 devices.• Providing LOMs for new technologies and services.• Providing HLD/LLD, ATP (Acceptance Test Plan) with different vendors.• Implementing Layer 2 Security (DHCP Snooping, DAI, Dot1x by Cisco ISE)• Designing and planning Datacenter network using Cisco Nexus technology, FC, FCoE, VPC.• Providing plans and testing new services like DPI, HostedPBX, PAM, etc.• Providing Plan and implementing Cisco telephony services (CUCM, CUC, CUP, WebEx Meeting, UCCX ) On-premise.• Defining network KPIs and monitoring the main KPIs on a daily basis.• Providing network performance reports and attending the weekly Optimization meeting.• Identifying recommendations on network infrastructure to improve and reduce operating costs Show less

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  3c Information Solutions Inc

  Oct 2021 - now

  Network Analyst