Working as a network architect, pre- and post-sales engineer, field engineer and Tier 3 specialist in a system integration company to create and improve complex wireless networks in warehouses, hotels and hospitality.Designed and validated more than 250 RF link reliability projects using Ekahau and EYE PAPerformed more than 150 complex network infrastructure upgradesObtained more than 10 Extereme Networks, Fortinet and Huawei certificates (ECS WiNG, EXOS, Fabric, HCIP R&S, NSE4)Designed more than 200 site projects with Ekhau ProPerformed more than 100 site surveys with Ekhau SidekickCreated and maintained comprehensive network infrastructure documentation for 150+ sites (Wiki, Visio, Doc)Solved 30+ Tier 3 wireless network support case escalations per month, ensuring reliable operation of customers' networksDesigned wireless frequency and channel plans based on Government regulatory and radio frequency safety standardsConfigured following Extreme Networks controllers (VX9x, NX75x, NX55x, RFS4x and RFS6x) and APs, Aruba controllers (ArubaMC-VA) and APs, Huawei controllers (AC6508, AE9703) and APs, various Extreme Networks switches (EXOS, EOS, Fabric Connect (formerly Avaya)), Cisco and HP access switches, Huawei campus switches and routers (CloudEngine S8700, S57xx, NetEngine AR8700)Planned and conducted Extreme Networks, Cisco, Huawei and DCN solutions demonstration sessions to support sales team members, resulting in 30% revenue growthSupported sales team to meet or exceed revenue targetsCreated Zebra Golden Image for Windows Mobile computers, including building Fusion and Datawedge profiles, programming with Datawedge API and Registry keysConfigured Zebra StageNow, SOTI MobiControl, Ivanti Velocity and Terminal Emulation for Zebra Android Mobile computersConfigured and programmed DPL for Honeywell and Zebra Printers to communicate with SAP Systems

Worked as a part of a team of X people supporting a currency exchange platform, ensuring reliability and security of the web site. Rolled out new feature releases, performed security patching.Overseed website projects and wrote standards-compliant HTML, CSS, and JSDeveloped and maintained website using WordPress and custom pluginsWorked with clients to design and update existing websites using appropriate technical solutions

Supervised NOC team consisting of system administrators and NOC engineers. Developed the processes and policies which resulted in increased Cloud customers satisfaction, according to the customers feedbackControlled the implementation of mentioned processes.Controlled escalation routing to appropriate team

Worked as a part of system integrator’s team to survey, design, and implement wireless network projectsDesigned more than 100 RF link reliability projects using Motorola LAN Planner and TamographValidated and surveyed more than 50 malls, hotels and warehouses using MetaGeek Chanalyzer + Wi-Spy DBx and TamoGraph Site SurveyDesigned wireless frequency and channel plans based on Government regulatory and radio frequency safety standardsBuilded configurations based on Zebra and Honeywell mobile computers, printers and scanners, and reviewing interoperability and technical issues to achieve client solution needsBuilded configurations and conducted demos based on Symbol/Motorola/Zebra wireless solutions (Controllers and APs)Supported sales team to meet or exceed revenue targetsCreated Zebra Golden Image for Windows Mobile computers, including building Fusion and Datawedge profiles, programming with Datawedge API and Registry keysConfigured and programmed DPL for Honeywell and Zebra Printers to communicate with SAP Systems

Maintained company data centers (servers and network equipment)Worked with monitoring systems (NAGIOS), escalating incidents (HPSM, Jira)Gained skills in working with requests in ITSM, learned to work with HW monitoring systemGained a basic knowledge about maintaining the equipment of different vendors (Dell, HP, IBM etc)Participated in testing the CROC cloud platform (set up configured virtual servers)Performed quality assurance testingUpdated port maps and rack layoutsIdentified and resolved recurring issues and reliability risks

Provided second level technical support for the clients.Worked with Ethernet network equipmentSolved complex technical issues from both client and provider side

Provided second level technical support for the clients.Worked with Ethernet and aDSL network equipmentSolved complex technical issues from both client and provider side

Provided second level technical support for the clients.Worked with DOCSIS and Ethernet network equipmentSolved complex technical issues from the client side

Provided second level technical support for the clients.Worked with aDSL network equipmentSolved complex technical issues from the client side