Hamidreza Kheirkhah

Technical Support Engineer (Network Analyst)

Infovista – Toronto, ON (Remotely) August 2022 - Present

• Debugging performance issues in KLERITY and Ativa, entirely Kubernetes-based applications
• Responding to a ticket follow-up with a customer
• Communicating with the R&D team in order to solve the issues according to SLA, Upgrading Patches.
• Organizing meetings with customers to submit technical solutions to their problem
• Supporting customers regarding a problem by finding the solution according to an SLA and aninitial diagnosis. Validating the information at the supplier's level.
• Improving internal and external monitoring system on Linux.

RAN LTE Technical Support Specialist Eco-Tel – Montreal, QC (Remotely)

January 2022 - August 2022

• Organizing meetings with customers to submit technical solutions to their problem
• Supporting customers regarding a problem by finding the solution according to a SAL and an initial diagnosis. Validating the information at the supplier's level.
• Responding to a ticket follow-up with a customer
• Improving internal and external monitoring systems on Linux

Senior RAN Engineer / Consultant Faracell Telecom

August 2019 to January 2022

• Leading Technical team in Swap/Rollout project
• Providing solutions for Radio network optimization
• Performance management and troubleshooting LTE end-to-end services including TDD and FDD technologies
• Analyzing network quality and Performance Management for Radio Access (UMTS/LTE), remotely for Middle East mobile operators
   

Technical Supervisor Uber - Mississauga, ON

January 2019 to August 2019

• Managing and mentoring operational team, communicating, and adhering to new procedures, policies, and goals
• Observing the performance of team members to identify their strengths and opportunities
• Monitoring team quality and assisting with targets, and leading quality control to facilitate procedures
• Coaching and training the team members to improve team productivity

NOC Engineer - RAN Rogers - Montréal, QC

September 2015 to September 2018

• Network monitoring and fault management for Radio Access (UMTS/LTE)
• Escalating non-resolved issues to back office and following up to the closure of TT (Trouble Ticket) concerning the Service Level Agreement
• Regular and on-demand reports to the customer, including network operation status and TT status

RAN Rollout/Swap Team Leader

ZTE - Tehran, Iran

January 2015 to May 2015

• Supervising technical team in Rollout/Swap in a national wised project
• Patch upgrade and rollback for Radio Access Network elements for Huawei DBSs needed to be changed to ZTE
• Software commissioning, data configuration, troubleshooting, and maintenance on RNC(6900), Node-B (DBS3900)
• Analyzing network quality and KPI, Tuning Radio Network parameters before and after replacing ZTE NodeBs in the Swap project
• Supporting (On-site or Remotely) the integrator teams in commissioning and troubleshooting Node-B.
• Supporting an on-site team for modifying and optimizing physical Antenna changes (Vertical or Horizontal) and Mechanical or Electrical tilt for improving network quality
• Daily network fault management via alarms and RNC log
• Daily network optimization by analyzing RNC log, drive test log, and KPI for under- monitoring clusters
• Cells performance pre and after applying changes
• Cluster Optimization, Achieving KPI targets, and Rx level and Quality
• Providing resolution to achieving the requested KPI by the operator
• Using M2000, Swissqual, TEMS, and ACTIX to improve network quality
   

BSS/RF Team Leader HUAWEI Tehran, Iran January 2008 to January 2015

• Planning, managing, and observing the procedure of commissioning and

troubleshooting BSC and BTS

• Preparing Material Requests and supervising installation procedures
• Supporting technical team (Remotely or Onsite) in Software commissioning, data configuration, troubleshooting, operation, and maintenance RNC (6900), Node-B (DBS3900), PCU.
• Supporting on-site teams in Expansion and Rollout projects
• Daily CS and PS optimization analysis including Drive test and OSS
• Utilizing Huawei tools to capture traces for escalated customer issue and analyzing the corresponding protocol (BSS AP, RAN AP, Abis, Iub)
• Analyzing worst cells and implementing required action for improving CS and PS KPI (CSSR, DCR, HOSR, TCH ASS Fail)
• Utilizing voice quality measurement tools to evaluate the voice quality (PESQ, MOS)
• DT Log files analyzing with TEMS Investigation,TEMS Discovery Device, ACTIX , for finding the reason for Poor coverage , Inappropriate HO failure, and call drop
• Experienced working with Geolocation solutions to analyze and improve Radio Network KPI and customer complaint handling
• Daily network monitoring (Licence, software upgrading, alarms, KPI, QoS)
• Implementing an expantion plan based on existing network capacity, coverage and quality
• Network pre-optimization in order to fulfill the target KPI
• Providing the solution after analyzing network KPI
• Attending a bi-weekly meeting with customers to present and discuss the progress of the assignment
• Technical Training and Evaluation for Subcontractors and new employees

BSS Engineer HUAWEI - Tehran, Iran

January 2007 to January 2008

• Supervising data configuration, software upgrade, and installation for BSC and BTS
• Cooperating with the RNO team to achieve the requested network quality by the operator.
• Handling Cut-over, Swap, and Re-Home of BSC/PCU/BTS
• Radio network KPI analysis consultancy in cooperation with Optimization team
• Daily network management (licenses, monitoring, alarm handling, and configuration)
• KPI formula definition and co-operation with the NMS team for the implementation of new reports

Electrical Engineer plus having training in Huawei training center for RAN network