Mina Wisa
Senior Packet Switching Core Engineer
Salaire / Taux journalier
Paris, France
Freelance, ouvert au CDI
Langues
À propos
Introduction
Senior Packet Switching Core Engineer with 11+ years at Huawei specializing in 4G/5G core networks and virtualized infrastructure. Expert in EPC/5GC operations, performance optimization, and handling complex roaming configurations with proven SLA adherence. Ready to deliver robust telecom solutions and network troubleshooting expertise for your critical infrastructure projects.
Expérience de travail
Huawei
juin 2016 - Présent
10 ans 5 mois
Le Caire, Gouvernorat du Caire, Égypte
Senior Packet Switching (PS) Core Engineer
oct. 2018 - Présent
8 ans 1 mois
Le Caire, Gouvernorat du Caire, Égypte
• Analysis of degraded KPIs received from performance team and solved them in the agreed SLA. • Commissioning, O&M, Hardware and software installation Support for Etisalat Core Network Nodes (SGSN, MME, GGSN, SGW, PGW, CG, iDNS and eDNS). • Handling roaming cases for (IB,OB) and its configuration. • Software and Patch upgrade for USN9810, UGW9811, DNS9816 and CG9812. • Software and Patch upgrade for CloudUSN, CloudUGW, Cloud CUPs, DNS9816 and CloudCG . • Configuring and testing new physical interfaces on USN9810, UGW9811. • Configuring and testing new subracks on USN9810 and new Subcards on UGW9811. • Preparing configuration scripts for USN9810(SGSN/MME), (GGSN/SGW/PGW/CUPS), and DNS9816(iDNS/eDNS) and bluecat DNS “3rd party”. • Configuration of new interconnection with BSCs, RNCs, HLR, HSS, MSCs, eNodeBs, SGWs, PGWs, OCSs and PCRFs. • Troubleshooting via Huawei Smartcare (xDR and SDR) databases through SQL also via GUI. • Deployment and expansion of commercial and corporate APN solutions. • Troubleshooting of DPI problems, Gx and Gy interfaces failures.
Core performance Engineer (CS,PS and IGW)
mai 2017 - oct. 2018
1 an 6 mois
• Be familiar with Huawei products U2000-M2000-MSOFTX3000-UMG8900- USN9810-UGW9811. • Daily reporting of (MSC-GMSC-MGW-SGSN-GGSN-BSC-RNC-IGW). • Monitoring core KPIs (CS – PS – IGW ) using Business object reporter. • Using statistics to identify the congested parts of the Core network. • Day to day analysis on CS&PS switches performance by analyzing statistics. • Ensure a healthy of Core network performance by regular audits and sanity.
First line (L1 support & Performance) Team Leader
juin 2016 - mai 2017
1 an
Le Caire, Gouvernorat du Caire, Égypte
• Responsible for managing performance team & level-1 support (BSS & TX) for all network nodes (Access, TX). • Following up incidents until the end solution of the problem adhere to SLAs committed. • Coordinate and interface with Etisalat operation team and top management, conduct regular meetings to identify their areas of interest, receive complains, recommendations and work evaluation. • Auditing on Network KPI Reports: Includes 2G, 3G & LTE KPI daily, weekly and monthly report. • Set KPI definitions / thresholds / formulas for reporting purposes. • Arrange for the events assurance and determine the service period and contents. • Process controller by doing regularly audit on teams to make sure that update process is running on the ground.
2G L1 Optimization Shift Leader
Ericsson
mai 2015 - mai 2016
1 an 1 mois
Le Caire, Gouvernorat du Caire, Égypte
• Customer interfacing 2G Optimization team leaders at 1st Line Optimization Service project for Vodafone Egypt. • Responsible for regional and correlation degradations over the network. • Familiar with most parameters, proposing radio tuning actions to enhance 2G KPIs. • Following up on KPIs and coordinate relevant actions with customer side and internal teams. • Supervise optimization engineers’ activities and duties. • Excellent use of business object with creating reports using Universe and SQL. • Good knowledge about Mansoura U900 Project at carving preparation [traffic balancing over bands].
Performance Monitoring Engineer
Huawei
juil. 2013 - mai 2015
1 an 11 mois
Le Caire, Gouvernorat du Caire, Égypte
• Excellent use of business object. • Excellent use of M2000, U2000, MOS7100 and MOS5200. • Handling Etisalat Network Alarms and KPIs based on Trouble Ticket system. • Using remotely tools to access BSCs, RNCs (9600-9610), NodeB (3812-3800-3900),BTS (3012-3900). • Configuration and troubleshooting and maintaining Network problems. • Supporting FM on Site. • Handling VIP Sites. • Monitor network's performance, ensuring all SLA's and KPI's are met. • Take ownership of all performance faults, ensuring they are managed through to resolution or escalating where required. • Identify potential performance problems, highlighting improvements required to avoid them. • Identify potential shortfalls in performance monitoring tools, • Escalating to requirements to engineering via the existing process. • Technical lead for performance related problems. • Ensure all performance faults and degradations are captured in the trouble ticketing systems, providing regular and accurate updates. • Follow all processes and procedures. • Share information and knowledge with other team members to improve technical and operational effectiveness. • Interface with and provide assistance to other areas of the program and above all to the customer. • Make 2G&3G daily reports, 2G&3G worst cells reports. • Check low TCH availability, DL&UL Path unbalance and low TCH usability TRX’s. • Check Zero traffic and sleeping cells.
BSS field Installation engineer
EEC Group (Engineering Enterprises for Civil & Steel Constructions S.A.E.)
juin 2009 - mai 2013
4 ans
Le Caire, Gouvernorat du Caire, Égypte
• RF installation. • Installing BTS (2G)(3012,3900) indoor and outdoor for Etisalat network (Huawei equipment.) • Install microwave link (1+0, 1+1, 2+2 and 4+0), routing and commissioning for Etisalat (Huawei equipment RTN 620,950) with sizes from 0.3 to 2.4. • Install NEC link for Mobinil. • Install 3G routing and commissioning. • Sweep test: measuring “VSWR” and “DTF”of feeder cables With "Site Master" equipment. • Line of sight (LOS).
Formation
Assiut University
Bachelor of Applied Science - BASc
2003 - 2008
4 ans 11 mois