Mojtaba Jahani Email & Phone Number

Muscat, Masqaţ, Oman

● Successfully implemented and maintained network infrastructure for various clients, resulting in improved network performance and reliability.● Designed and implemented security measures for clients' networks, including firewall configurations and network access control, to ensure protection against cyber-attacks.● Trained junior network engineers and technicians, increasing their technical proficiency and contributing to the company's overall success.

Bojnord County, North Khorasan Province, Iran

•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

Bojnord County, North Khorasan Province, Iran

This company as a contractor performs all services in the field of IT, Network , VoIP and Security.- Managed a 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 observability by 50%.

Bojnord County, North Khorasan Province, Iran

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

Bojnord County, North Khorasan Province, Iran

TCI is the fixed-line incumbent operator in Iran offering services in Fixed telephony, DSL and Data services for both residential and business customers, all throughout the country- 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.

Gorgan County, Gorgan, Iran

- 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

Bojnord County, North Khorasan Province, Iran

TCI is the fixed-line incumbent operator in Iran offering services in Fixed telephony, DSL and Data services for both residential and business customers, all throughout the country- 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

Bachelor Of Engineering - Be, Computer Hardware Engineering, A

Activities and Societies: • Founder of the first computer science association at this university • Fourth place in robotics competitions •.

Associate'S Degree, Computer Hardware Technology/Technician

Activities and Societies: Writer on the first newspaper in University