Work Experiences

Mysql/Mariadb DBA and senior system Administrator
Company Name: MobinNet Telecom

Mobinnet

• Provision MySQL/Mariadb instances, both in clustered and non-clustered configurations
• Performance, Tuning and ensure availability of databases by configuring replication and cluster
• Prepare documentations and specifications
• Handle common database procedures, such as upgrade, backup, recovery, migration, etc.
• Linux Production support
• Developing database procedures, triggers and events to speed up back-end data processing.
• Profile server resource usage, optimize and tweak as necessary
• Create, track and report metrics for capacity planning. Analyze current capacity and provide recommendations.
• Provide hands-on training to other team members.
• Collaborate with other team members and stakeholders
• Configure and maintain Maxscale and HAproxy Servers
• Troubleshoot complex database issues
•- Manage and maintain Monitoring Services such as Nagios Core, Nagios xi , Cacti , Solarwinds

System Administrator
Company Name: Asiatech Co

AAA and Charging:
• maintaining RADIUS base AAA Cluster
• Maintaining accounting database based on mysql
• Analyze Packets and logs to debug Issues
• Scripting to create tools and system administration tasks, such as performing disk backups, evaluating system logs,…
• QoS Management and Optimization in Services
• Maintaining and configuring Vedicis Solution (COSS) for Policy and Charging Enforcement
System Administration
• Install, configure and maintain Linux environment services such as Authoritative and Recursive DNS, FTP, Apache web server , backup servers
• Install, configure and maintain monitoring services such as SolarWinds, Cacti, PRTG
• Maintaining VOIP services
• Design, implement and maintain VPS project based on Proxmox

Virtualization:
• Implement and maintain VMware vSphere infrastructure and Managed Virtualization Environment
o Creating Clusters for High Availability (HA) and Distributed Resource Scheduling (DRS)
o Configured Resource Pool, vMotion, Alerts, Alarms, NTP
o Root Cause & System Log Analysis and Reporting
o Organize tasks, events and configuring alarms.
• Monitor, troubleshoot, and capacity planning of vSphere environment
• Proactively identify and perform hardware and software upgrades
• Evaluate new products and recommended updates and upgrades
• Provide technical guidance to other VMware administrators
• Backup, recover and replicate vSphere ESXi virtual machines with Veeam backup
Direct Projects:
• Migrate all infrastructure and services to new data center
• AAA and Smart Charging System integration
• Cooperating in IPv6 integration with AAA

System Engineer
Company Name: N.I.O.P.D.C

• Performing diagnostics and troubleshooting of system issues for Gas stations
• Responsible for assisting teams with monitoring all servers and services to ensure 7*24 availability.
• Monitoring and diagnosing VSAT Connections and Network to ensure availability and reliability
• Serving as an escalation point for junior technicians.
• Escalating tickets as needed.
Project:
• Intelligent Fuel card project

Technical Support
Company Name: Aryahamrah Co. (AHS) (NIOPDC)

• Performing diagnostics and troubleshooting of system issues for Gas stations
• Responsible for assisting teams with monitoring all servers and services to ensure 7*24 availability.
• Monitoring and diagnosing VSAT Connections and Network to ensure availability and reliability
• Serving as an escalation point for junior technicians.
• Escalating tickets as needed.
Project:
• Intelligent Fuel card project

Technical Support
Company Name: DP Iran co


• Perform diagnostics and troubleshooting of system issues for Gas stations.
• Document help desk tickets/resolutions, and provide overall assistance in daily administration
• monitor, log and track all phases of help desk support
• Document all inquiry activities in the appropriate reporting system
• Ensure that all tickets and phone calls are handled within appropriate service level agreement time frames.
• Escalating tickets as needed.
Project:
• Intelligent Fuel card project

Technician
Company Name: Ava Panasonic

• perform installation of pre-configured equipment
• troubleshooting on network connectivity and performance problems
• installation and configuration Panasonic Central Phone systems
• CCTV installation
projects:
• Gole-Sang Tower : CCTV and central phone System based on TDA 100
• Pardis Technology Park central phone System Based on TDA 600 Series
• And several projects based on KX-TEM Series