Mohammad Yousefi

Experience

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  Sadad Electronic Payment/ پرداخت الکترونیک سداد

  May 2009 - Aug 2009

  Intern
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  Seanet Corporation

  Apr 2010 - Mar 2017

  Core Network Engineer & NOC Supervisor

  Main Responsibilities:• Head of DSL & Wireless Network Technical Department • Troubleshooting network performance problems • Design and implementation OSS/BSS/AAA systems• Expert in IPv4 network sub netting• Unique Network Documentary• Launched over dozens of nodes and pops site, to provide service to government agencies• Design and implementation of network monitoring & Management Tools (Cacti, PRTG, Zabbix, …)• Network design and installation of equipment (Cisco, HUAWEI, Fortinet, Juniper, F5, MikroTik, UBNT) Show less

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  آپتل

  Jan 2017 - Sept 2021

  PS\CS & IP Core Network Engineer

  Main Responsibilities:• Full Mobile Virtual Network Operator(MVNO) solution implementation based on Cloud NFV.• Provide HLD/LLD for Core & IP and higher layer integration with Mobile Network Operator (MTN-MNO).• Cloud DC Infrastructure Installation, Configuration and integration (HP Servers & Storages, Cisco Routers & Switches).• Deployment, Monitoring and system maintenance including installation, integration and upgrades.• MVNO Integration with the CRA\ LI and other government agencies for link setup, tunneling and services layers (MNP, CID, Shahkar, Shamsa, Siam, Hamta, Post and . . .).• SIP Trunk setup and VOIP Server Integration for ApTel OTT App• Interface based user trace analyze to troubleshoot issues with trace tools (Wireshark, Vendor specific tool, …)• Network applications and infrastructure regular audit and test. Show less

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  NAK | World-class telecom managed services company

  Sept 2021 - Mar 2023

  EPC & IMS Core Performance Engineer

  Main Responsibilities :• Responsible for checking all the PS\CS-IMS core network KPIs and have excellent knowledge to analyzing them.• Network Capacity (License & Hardware) monitoring.• Work with Huawei U2020 \ MAE and FARAZ KPI analyzer tools and generate CEO\CTO level reports.• Experienced in working with other MCI portals, like (NetAct, Clarity, SDM, . . .)

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  Hamrahe Aval (MCI)

  Dec 2023 - now

  Cloud/NFV Packet Core Operation Engineer

  • Responsible for any Change, Maintenance and Expansion Operations of USN, UGW, CG & DNS over NFV Solution in MCCI network.• Interface based user trace analyze to troubleshoot issues with Wireshark, CHR and CDR data.• NFV maintenance and troubleshooting including the Huawei E9000, FusionSphere, OceanStor.• Delivery all the PS core network NEs and have excellent knowledge to network expansion.• Network applications and infrastructure regular audit and test.• Network Capacity (License & Hardware) estimation. Show less