Mojtaba Jahani, Senior Network Specialist

Mojtaba Jahani

Senior Network Specialist

Sedad Andishan Khorasan Shomali

Location
Oman - Muscat
Education
Bachelor's degree, Computer Hardware Engineering
Experience
15 years, 5 Months

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Work Experience

Total years of experience :15 years, 5 Months

Senior Network Specialist at Sedad Andishan Khorasan Shomali
  • Iran - Bojnurd
  • My current job since August 2018

• Install, Configure, Manage, Harden, Maintenance and Redesign Microsoft Infrastructure services such as Active
Directory Domain Service (AD DS) for 60+, Active Directory Certificate Services (AD CS) for 20+, DHCP Server and
Failover for 90+, DNS Server for 90+, FTP Server for 90+, Storage Server(SCSI) for 15+, WSUS for 20+, IPAM for
15+, Web Server (IIS) for 90+, Remote Desktop Service(RDS) for 30+, Microsoft SQL Server for 90+, Network Policy
Server (NPS) for 15+, Failover for seanco`s customers and Increasing them Service Availability and Reliability from
average 45% to 98% by day-to-day operations and maintenance
• Deployed Virtualization using VMWare and Citrix and implemented Clustering with HA and DRS for seanco`s
customers (90+) and Reducing them costs to 50% and infrastructure availability to 98% (about 500+ Servers)
• Install, Configure, Manage, Harden and Maintenance Network Infrastructures Device such as Storage Arrays and
Tapes, Servers, Firewalls, Network switches and routers, Modems and Transmission Device (Cisco | HPE | Mikrotik
| Huawei | Zyxel | FortiGate | FortiWeb | Sophos | Ubiquiti | Nokia | Motorola | Netronics) for seanco`s customers and
Increasing them Network Availability to 99%. (about 1500+ Device)
• Designed and implemented infrastructure of Server Rooms and Data Centers with NOC and SOC for 15+
government customers
• Install, Configure, Manage, Harden and Maintenance infrastructure based on Linux mostly RHEL and CentOS such
as Owncloud, FreeNas, PFSense, OPNSense, Kerio Control, Asterisk, Apache, NGiNX, HAProxy
• Managed, Maintained, Monitored, troubleshooting and Central Logging of physical, logical, lan and wan networks for
problems and failed events and security events and provided expert solutions to a rapidly growing sophisticated. So,
reduce support time to 50%
• Deployed ITIL and Design, analysis, implementation and improvement of organizational processes including (Task /
Request / Incident / Problem / Change) and the CMDB process

Security Specialist at Sedad Andishan Khorasan Shomali
  • Iran - Bojnurd
  • August 2014 to August 2018

This company as a contractor performs all services in the field of IT, Network, VoIP and Security.
• Managed 8-Member cross-functional (network and security) team to discover and implement information security
policies and procedures.
• Vulnerability assessment and Compliance review of websites and Operating Systems and Network Devices (Such
as Cisco Switches and Routers), Decreased the number of vulnerabilities by 80%.
• Installed and maintenance of security devices and solutions: Cisco ASA Firewall, FortiGate, Cyberoam and
Sophos, IDS/IPS, DLP, Identity service, anti-malware, endpoint protection systems, Veeam backup, monitoring
tools, Antivirus and Increased doubled security devices.
• Monitored network activity to identify issues early and collaborate with IT support teams, increasing

Senior Network Specialist at Telecommunication Company of Iran (TCI) (tci.ir)
  • Iran - Bojnurd
  • August 2011 to April 2016

• Providing Internet service to 1000+ customers
• Providing MPLS, VPLS and PTP, PTMP Service on Fiber and xDSL infrastructure to 1500+ customers
• Expert on Network equipment such as Mikrotik, Nokia, Cisco, Huawei, ZTE, Motorola, Tellabs
• Collaborated on a team of 6 to deliver the sustained and secured IT infrastructure of 50+ routers, switches, dslam,
pdh and firewalls through a preventive maintenance program, 24*7 shifts, and regular weekly meetings with
information technology professionals.• Conducted over 60 hours of on-job training for 40 junior network engineers, in areas of routing and switching,
analyzing network issues and security concepts.
• Orchestrated deployment of Cacti monitoring software, leveraging custom SNMP MIBs to monitor network
performance (LAN, WAN, Wireless) and critical indicators of 300+ devices

Senior VOIP Specialist at Sedad Andishan Khorasan Shomali
  • Iran - Bojnurd
  • September 2012 to August 2014

This company as a contractor performs all services in the field of IT, Network, VoIP and Security.
Highlights of IT and VoIP Skills:
• LAN, VLAN, WAN, WLAN and VoIP Administration
• Complete mastery of working with equipment of Cisco, Panasonic, NEC, NewRock, GrandStream, Huawei,
FiberHome, Asterisk, CUCM, Avaya, D-Link, Planet and SBCs in the field of VoIP
• Customize Asterisk (AGI, AMI) for connect to third party programs
• SIP based Voice Trunking, with SIP Secure / SRTP and Non-Secure Mode
• E1 PRI connectivity <> PSTN and VoIP Server
• Hand on Experience in Layer 2, Layer 3 Catalyst Switching, Routing & QOS
• Expertise on VoIP Collaboration Solutions with Cisco and Asterisk
• Expertise on Troubleshoot and Trace analysis and Real-Time Monitoring
• Implementation, Design and Rollout plan for Asterisk and CUCM
• Implementation, Design and Rollout of call center with asterisk
• Deployment and Migration Rollout with Extension Mobility
• Designed and implemented VoIP network with redundant
• Managed, designed and deployed Enterprise Firewalls, VPN Security Zones and multiple Security projects for
voice
• Disaster recovery plan for VoIP Servers (CUCM, Asterisk)
• Configuration and Development of NGN/IMS technologies

Junior Network Specialist at Justice Ministry of Golestan Province (dadgostari-gs.eadl.ir)
  • Iran - Bojnurd
  • September 2009 to August 2011

• Implement, support and troubleshoot Windows services on the network
• Installation of network equipment and monitoring Service
• Optimize 80% of network performance
• Implement ITSM
• Configuration of Switches and Routers
• Troubleshooting Network
• Cabling Router & Switches
• Installation and Configuration of Servers, Switches, Routers, Load Balancers and Firewalls
• Implementing periodic backups, hardening and upgrading network devices, Cisco switches and routers

Junior Network Specialist at Telecommunication Company of Iran (TCI) (tci.ir)
  • Iran - Bojnurd
  • January 2009 to September 2009

• Implement, support and troubleshoot Windows services on the network
• Installation of network equipment and monitoring Service
• Optimize 30% of network performance
• Implement ITSM
• Configuration of Switches and Routers
• Troubleshooting Network
• Cabling Router & Switches
• Installation and Configuration of Servers, Switches, Routers, Load Balancers and Firewalls
• Implementing periodic backups, hardening and upgrading network devices, Cisco switches and routers

Education

Bachelor's degree, Computer Hardware Engineering
  • at Mazandaran University of Science and Technology
  • August 2008

Founder of the first computer science association at this university Fourth place in robotics competitions Holding specialized training courses

Specialties & Skills

IT Management
Firewalls
Networks
Security
firewall
communication
network
data backup/recovery
problem-solving
system security
Network Administrator
databases
System Administrator
Active Directory
Sophos Firewall
programming
system administration
computer hardware troubleshooting
pc networking
teamwork
autocad
administrative support
windows server 2003
windows server 2008
firewalls
windows network administration
microsoft servers
windows server

Languages

English
Intermediate

Training and Certifications

Zyxel Certified Network Engineer (ZCNE) IP DSLAM (Training)
Training Institute:
Telecommunication Company of Iran (TCI)
Zyxel Certified Network Engineer IPDSLAM L1 (Certificate)
Cisco Certified Network Professional (CCNP) (Training)
Training Institute:
Telecommunication Company of Iran (TCI)
Microsoft Certified IT Professional (MCITP) (Training)
Training Institute:
Telecommunication Company of Iran (TCI)
Asterisk Essentials (Training)
Training Institute:
VOIPIRAN
MikroTik Certified Wireless Engineer (MTCWE) (Certificate)
MikroTik Certified Network Associate (MTCNA) (Certificate)
Asterisk Advanced (Training)
Training Institute:
VOIPIRAN
Data Center Professional TIA-942, BICSI-002 (Training)
Training Institute:
Batis Academy
Hardware and Infrastructure Consultant (Certificate)
Securing and strengthening systems, infrastructure and services (Certificate)

Hobbies

  • internet,network,security,programing