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Experience level:
More than 5 years
Education level:
Higher
Languages:
Russian: Native
English: C1
Serbian: A1
I was working on Wireless LAN Controller development project. My main focus was
on writing Software Requirements Specification (SRS) for various features of WLC
product. That includes such tasks as: identifying requirements, elicitation,
decomposition, analysis, development, prioritizing and validation the SRS with other
teams and stakeholders.
My main focus was on WLAN network design, implementation and troubleshooting.
I have designed and launched Wi-Fi networks from scratch for different tasks: from
large amount of small offices to a large chemical production plant, stadium highdensity WLAN, or Hyperlocation.
Stages of projects I participate:
• Presale
Collecting customer requirements and expectations. Discussing the profits and
limitations of a solution. Presentations and demonstrations of a solution with
demonstration of equipment. Then I usually make a comparison of solutions for
different vendors in technical details, test results and price estimates.
• Design
Designing Wi-Fi networks from scratch, creating HLD and LLD for future network.
Performing wireless site surveys-on-a stick and predictive site surveys with Ekahau
Survey Pro and Sidekick OR Airmagnet Survey Pro OR Tamograph Site Survey.
Different approaches are used for different environment, but usually proper surveying
is a must.
• Installation
I don’t crimp RJ-48 and don’t drill walls. But I check mounter’s job and pointing them
to the best places to install access points and which angle shall be used to adjust it. I
also supervise noting of MAC address, angles, positions on the plan and port numbers
use it in future for monitoring and location.
• Configuration
My experience is mostly in Cisco AireOS WLC’s, like 5508, 5520, 3504 in different
combinations. I also do configuration for adjacent components: MSE, CMX, Cisco
Prime Infrastructure, SSM On-Prem, Anyconnect supplicants, ISE rules and captive
portals, access switches of LAN infrastructure.
I also have experience in Aruba solution, version 6.xx and 8.xx, including Mobility
Masters, Mobility controllers, Airwave, or small installations with Aruba Instant.
• Post-installation
This stage includes connection, coverage and roaming check for key types of devices,also location services tuning and high availability tests. Usually after this
step customer’s devices are allowed to join and I provide support for the customer if
something goes wrong.
Documentation
I wrote HLD and LLD documents for the projects and also sets of manuals for
step-by-step DR or typical maintenance tasks, like software upgrade or new APs
SSC certificates provisioning.
• Troubleshooting
I handled any kinds of tasks which lead to problem solving. This includes broad
range of testing, documentation research and communication with adjacent
departments and vendor support. Very often tasks included log and debug analyzing,
packet capture, traffic analyzing, ACL checking, coverage and interference check,
describing and reproducing problems for TAC engineers, roaming check and
optimizing AP placement, sometimes just driver/firmware updates and time
corrections. I always searched for a root cause of the problem, and it was always very
satisfying to find it.
I have participated in Cisco Connect Moscow 2019 as a speaker. I have tested
severity of several WiFi interference sources and Cisco CleanAir reaction on it. I
have presented the results on Cisco Connect Moscow 2019 event on behalf of my
employer.
I wrote technical marketing articles and article parts in collaboration with other
departments for company Habr blog and public events.
Since I have relocated from Russia, I was performing fully remote tasks, which
included specification building, equipment capabilities analyzing and comparing,
troubleshooting and support for internal and customers LAN/WLAN infrastructure,
article writing and remote lab tests.
I was working as Project Manager / Wireless site survey Engineer / Field Engineer.
Customers were Russian and International companies with sites located in Russia.
There were several sites for foreign company, projects of WLAN enhancement on
Cisco equipment (Cisco 2602e, 2702i), using AirMagnet Survey tool (AirMagnet
Survey, Proxim Orinoco). I was in charge of partial project management, acted as a
company representative (self-guided or remotely supervised). The tasks I performed:
• Preparation activities for the project, information support for foreign
colleagues;
• Achieving required industrial safety certificates and admittances;
Solving problems with customs clearance when receiving and sending back
equipment for the survey;
I was responsible for the contractors: company selection, negotiations,contracting
and supervision on the site;
• Negotiations with end customer’s safety and production departments;
Processing works on the site;
• Conducting wireless site surveys with a tripode and with a cherry-picker lift,
using Cisco 2602e and 2702i AP’s;
• Capacity and coverage planning, AP placement planning and clarification;
• Existing wired and wireless infrastructure assessment – existing AP’s and
switches placement, free ports, PoE existence, power budget existing, free rack
units etc.;
• Equipment configuration for tests in different environment (CLI scripts and
manual);
• Maintaining legal safety requirements;
• Daily technical and financial reports to HQ, progress and forecast reports.
The biggest site was a plant, ~300k sqm and it took about 3 months to make the
survey. Different types of environment – offices, workshops, production areas,
warehouses and outdoor. Equipment purchase and installation was done by 3-d party
local integrating company.
The main responsibility was to handle the flow of price requests from partners. The
workflow was:
• Receiving requests from partners (integrators/resellers);
• Creating technical proposals with standard price for partner level;
• Requesting discounts and a project registration in vendor’s sales department.
The key skill to deal with lots of requests was multi-tasking, speed and accuracy.
The other key responsibility was to make a pipeline of active projects and to contact
partners to update the pipeline. The pipeline was used to form sales targets for
distributor sales and procurement to vendors.
Other tasks:
• To have a deep technical expertise for presale and product promoting,
converting finished proposals from other vendors;
• To do presales with partners and vendor;
• To clear stocks of illiquid equipment;
• To form stock orders for popular products;
• To handle RMA’s and replacements of faulty equipment;
• To consult and educate partner’s engineers, including webinars;
Coverage and capacity planning for those partners who didn’t have tools for it;
• Placing and handling orders to vendor;
• POS and Inventory stock reports for vendor;
• To participate in different events and team-buildings with partner channel.
• Vendors I was responsible for: Aruba Networks (An HP Enterprise company),
Avaya DATA (Switching, Wi-Fi), Nortel (CS1000, Meridian). Less – Samsung
Wi-Fi solutions, Juniper Networks
The main duties were: coverage and capacity planning/calculating for client’s office
buildings, warehouses; doing site surveys before and after changes in wireless
system; work in team with experts while planning and installation the wired networks
(need for backbone and power for Wi-Fi APs); WiFi hardware setup.
Supplement duties are:
• Writing recommendations for upgrading and modification of existing Wi-Fi
deployments on a client’s buildings according to results of site surveying;
• Writing articles for the website of our company;
• Searching for newest solutions in Wi-Fi systems from different vendors (Cisco,
Aruba, Motorola, HP, Ubiquity, etc.);
• Recalculating coverages for different antenna types, AP models and installation
areas.
Have a successful projects of Wi-Fi system planning and installation in warehouses
and office buildings (Cisco, Aruba, different directed antennas), site surveying
(Ekahau Heatmapper, Tamosoft Tamograph, Fluke Airmagnet, Metageek
Chanalyzer).
Software System Analysis
Analytical Skills
Systems Analysis
SRS
English
Wireless Network Design
Requirements Gathering
Use Cases
System Analysis
BPMN
Requirement Specifications
Wireless Communications Systems
Non-Functional Requirements
Russian
requirements elicitation
Requirements Analysis
Software System Analysis
Requirement Specifications
Non-Functional Requirements
requirements elicitation
requirements elicitation
Requirements Analysis
RFCs
Wireless Site Surveys
802.11
WLAN
HP Products
Wireshark
Ekahau
Troubleshooting
Enterprise Wireless Design
Workshops
Help Desk Support
CAPWAP
Cisco Wireless
User Datagram Protocol (UDP)
WiFi Planning
Aruba Wireless
AirMagnet
Wireless Networking
Cisco Identity Services Engine (ISE)
Cisco Prime Infrastructure (Prime)
Cisco Mobility Services Engine
Cisco CMX.
Cisco 9800
Cisco 5500
LWAPP
Transmission Control Protocol (TCP)
Enterprise Networking