Arash A. Rahmati Email & Phone Number

Melbourne, Vic, Au

Melbourne, Victoria, Australia

I specialize in crafting and implementing network and security solutions tailored for enterprise networks within the professional services division. My role encompasses extensive involvement in presales activities, including the creation of proposals, service estimates, and Statements of Work (SOW). I also develop both high-level and low-level design documents, reference architecture documents, and lead Proof of Concept (PoC) projects to validate our solutions. Our clients hail from a diverse range of industries, including healthcare, banking and finance, large-scale public data centers, government sectors, and beyond. It's my responsibility to ensure that our solutions meet the unique needs and regulatory requirements of each industry, providing robust and reliable network infrastructure and security measures tailored to their specific challenges and goals.

Vermont, Victoria, Australia

Providing consultancy and designing network, security, and collaboration solutions tailored for medium to large enterprise clients using vendors such as Cisco, Fortinet, etc.I spearheaded the design and implementation of a cloud-based (built on AWS) VoIP service provider solution encompassing SIP trunk, Hosted PBX, and VoIP routing, billing and accounting for DigiPhone (a subsidiary of Ozzie Solutions). I built and led the enterprise department at Ozzie Solutions and managed the operational team for DiGiPhone.

Designing and implementing LAN, WAN,SD-WAN, WLAN, and data centers. Overseeing the implementation teams across various projects. Deploying wired access, distribution, and core LAN networks primarily utilizing Cisco Catalyst and Nexus switches, including Catalyst 2K/3K/4K/6K Series, Nexus 9K/5K/3K/2K, and more. Establishing WAN connectivity for customers through Frame Relay, MPLS, DMVPN, and other VPN technologies. Implementing enterprise controller-based wireless solutions, predominantly leveraging Extreme Networks WING/WING Express and Cisco. Executing numerous point-to-point long-distance wireless solutions utilizing redLine, Solectek, Proxim, Teletronics, Senao, WiLAN, Ubiquiti, and MikroTik. Designing and deploying VoIP telephony and call centers with open-source Linux-based VoIP solutions like Elastix/Issabel, Kolmisoft MOR, and various PBX systems. Facilitating international call origination and termination utilizing Cisco ISR series, AS5300 series, Quintum Tenor, and MERA softswitch. Creating networks in heavy and harsh environment industries such as oil & gas, mining, power stations, and transportation, employing Ethernet Ring topologies in expansive areas like oil fields, refineries, and petrochemical plants using industrial networking equipment including Cisco IE3k series switches, Cisco CGR2010 routers, and MOXA solutions.Documentation for technical and pre-sales documents such as High-Level Design (HLD), Low-Level Design (LLD), proposal preparation, and Statement of Work(SoW

Crafting and implementing LAN, WAN, WLAN, and Data Centre solutions tailored for enterprise networks. Overseeing the implementation teams across various projects. Developing network infrastructures in challenging industrial environments such as oil & gas, mining, power stations, and transportation. Spearheading the research and development of an SDN solution for Unicast and Multicast traffic routing. This initiative, conducted in collaboration with Shiraz University of Technology, utilized the OpenDaylight controller and OPX (OpenSwitch).

Internet and VoIP Service Provider and Professional Services.Utilized equipment includes Cisco AS5300, AS5350, 7200, 3662, 3640, 2620, 1601, 2950, 3550, Lucent Max TNT, Quintum Tenor series, PARADYNE xDSL systems, and more. Conducted site surveys and provided documentation for wireless and xDSL links. Designed and installed LAN, WAN, Service Provider, and data center solutions. Conducted troubleshooting end-to-end between stub networks and main sites. Provided on-site training for employees. Implemented Cisco Access Servers for dial-in users utilizing PSTN/ISDN. Deployed Point-to-Point, Point-to-Multipoint, and Enterprise wireless solutions for customers. Implementing and maintaining Squid cache servers. Maintained and troubleshooted switches, routers, and servers. Took charge of designing and implementing customer network infrastructures. Implemented AAA server for TACACS+/RADIUS. Provided implementation of VoIP and VPN services for customers. Configured and implemented remote access using VPN, ISDN dial-up, Channelized E1, and xDSL.