Network Engineer, System Administrator, Team Leader: Navid Wesal Iranian (NWI; www.nwiran.com/en/)• Installation, commissioning of HUAWEI telecommunications infrastructures on site• Expert advice to local system providers and technical support to partners during the design and development planning of their wireless infrastructures• Support and assistance with user problems (software and hardware)• Maintenance and monitoring of Cisco switches and routers and firewalls• Installation and commissioning of video surveillance systems

Network Engineer, Electronics Engineer, Security Engineer (Kara Nooandish Sepand)• Analysis of customer-specific requirements for the security of their buildings and preparation of offers• Preparation of the technical plan, taking into account the nature of the location and building and compliance with building security standards• Planning and implementation of LAN, WLAN and fiber optic networks• Sale and maintenance of Cisco systems (including switches, routers and firewalls)• Customer support for error analysis and troubleshooting• Installation, configuration and commissioning of video surveillance systems (CCTV) and alarm system for the buildings• Installation of conventional and addressable fire alarm systems• Installation of video entry phones• Preparation of technical instructions and on-site customer training

Network technician; Computers and telecommunications networks, (KARAMOUJCO.)• Installation, commissioning, and maintenance of NOKIA telecommunications equipment and security systems• Planning and implementation of computer networks (hardware and software)• Installation of network and electrical cabling, as well as splicing and joining of fiber optic cables• Technical support for customers in error analysis and troubleshooting• Sales, maintenance, and repair of all components of cellular networks