Arif Shamim

About Arif Shamim

Software wireless test and solutions engineer with extensive experience in IP networking, cellular 4G/5G and WLAN/WiFi industries. Skilled in end-end test & solutions for IoT, WiFi 802.11 wireless Access Points, cellular 4G/5G modems, IP networking systems. Broad spectrum of knowledge and understanding of the end-to-end WiFi and Cellular systems architecture from wireless physical layer to application layer. Hands-on experience with RF HW test equipment.Currently, serving as Technical Leader for Cisco IoT wireless end-end test/solutions, software testing of latest cellular 4G LTE/5G modem feature, functionality and end-end IP traffic optimization & performance, customer problem resolutions and feedback. Experience in developing Functional Specifications, Design Verification plans and Functional test procedures, wireless Performance test plans, automated Regression test plans.College degrees in Electrical Engineering from Georgia Tech, Florida International University and Network Security courses at Cisco and University of California, Santa Cruz. Personal interest in Python-based data collection and automating data analysis, charting and predictions of stocks earnings and economic indicators/metrics. TECHNOLOGIES: WiFi 802.11bg/a/n/ac, RF, 4G LTE/5G/5G-RedCap (UE testing and solutions), switching, routing, L2TPv3, IPsec FlexVPN/DMVPN over LTE, APIC-EM, SDWANCERTIFICATIONS: Cisco CCNA (Routing & Switching), CWNA (Prep)PROGRAMMING: Linux K-shell, tclsh, Python automation, Cursor AI, Windsurf AI, R-language, PyATS, Anaconda, Pandas, Seaborn, scikit-learnTEST TOOLS: WiFi IxVeriwave 802.11bgan, Rohde & Schwarz CMW500 CMX LTE and 5G NR, CMWRun automated testing, Nutaq LTE and AmariSoft 4G/5G NSA Base Station Simulators, Keysight UXM 5G NSA/SA Base Station Simulator, IXIA SmartBits, Spirent TestCenter traffic gen, Azimuth WiFi test systems, LitePoint WiFi IQnxn, Cisco Spectrum Expert, RF network analyzers, oscilloscopesPLATFORMS: Cisco IOS/IOS XE/NXOS based routers & switches; Controller-mode and autonomous Cisco enterprise 11bga/ac Access Points; Cisco-Linksys Access Points

Experience

1. Technical Leader Principal Solution Architect

   Cisco

   Jan 2013 — Present · San Francisco, CA, US

   Work and expertise include solution design, implementation of Cisco IP and wireless networking products utilizing various technologies including IP, Cellular, WiFi/WLAN. Work involves product definition, gathering requirements, designing, functional, stress and performance of end-end customer networks. Automation using AI and Python PyATS framework.+Performs RF HW testing of cellular modems and WiFi Access Points as part of system-level testing.+Working with various cellular and WiFi chipset vendors for selection, optimizing and issue resolution.+Working with various customers and Early Field Trials (EFT) of our new products in early markets.+Previously the Subject Matter Expert for Cisco enterprise-class WiFi/WLAN Access Points.

Education

• The George Washington University

  Certificate, Project Management

• University of California, Santa Cruz

  Network Security

• Georgia Institute of Technology

  Master's degree, Electrical Engineering

• Florida International University

  Bachelor's degree, Electrical Engineering

Skills

• Matlab
• Veriwave
• Ip
• Cisco Spectrumexpert
• Cloud Computing
• Enterprise Software
• Network Security
• Wlan
• Wireless
• Qos
• Large Scale Systems
• Matlab - Instrument Control
• Systems Integration
• Tcp/Ip
• Development Test Engineering
• Wireless Networking
• Azimuth
• Cisco Technologies
• Ethernet
• Rf
• Codenomicon
• Wifi
• Systems Engineering
• Integration
• 802.11ac
• Spectrum Analyzer
• Litepoint - Iqnxn Iqxel Rf-Phy Analysis
• Ixia
• Smartbits
• Performance Testing
• Competitive Analysis
• 802.11n
• Testing