Experience

MTN Irancell

• Iran
• Telecommunications
• 700 & Above Employee

• Core Network Security Engineer

  • Aug 2017 - Present

  • To support and integrate the related core components (EPC, PS, NFV, WiFi, CS, …) of MTNIrancell’s service with security devices• To get MTNIrancell’s security team customers’ requirements and support relevant team through the design, implementation and integration of network infrastructure and information security controls to meet requirement.• To implement Core related Security services and supporting controls according to specification, and provide internal technical support.• Develop new methods and systems to continuously strive for improved security process of network Group• To have the overall and complete overview of data and Packet/EPC Core, BSS and TX to help all projects that are related to different interfaces Implementing disaster recovery plans and business continuity plans for network security devices related to core PS,EPC and WIFI• To Handle all change requests from vendors and network departments related to core PS, EPC and WIFI elements ensuring it would not have any effect on services provided to peer sides.

• PS Core planning engineer

  • Jan 2015 - Aug 2017

  • To plan, implement, support and maintain the core GPRS, UMTS and any future MBB data bearer services and technologies.• Support creation, change and deletion of all APNs and check their service and delivery to operations.• To plan and implement Ps core corporate customer solutions in line with S&D and EBU.• Capacity management to ensure that core network is ready for future.• Suggest enhancement and support the ancillary networks that surround the core networks, such as Radio and IPBB.• Co-design and implement the auxiliary node infrastructure for PS core network.• Update the traffic model of core network in related areas to provide input for planning.• Plan MBB capacities and network design based on various inputs from statistics and marketing.• Design and implement CloudEdge Solutions such as Cloud EPC, Cloud MSE, Cloud SCEF • Commissioning, integration, System Acceptance Testing (SAT) and engineering support for PS Core elements.• Completion of all Site Folder Documentation and Test Logs for commissioning, integration and engineering as required.• Interoperability Testing (IOT) and engineering support for vendors as required in related areas.• Providing timely daily status reports of progress and issues to line manager.• Contributing to periodic reports as required by management.• Performance monitoring of Network to make sure that the planned PS services are performing correctly.• Creating catalogues for Data services that MTNIrancell can offer based on mobile broadband for corporate customers• Deliver optimal usage of the existing network elements during cloudification and service oriented core migration• Integration and Support of new Packet, Network and TX Technologies.• Participate in creating RFP/RFQ documents and in evaluating the responses from vendors.• Improved methods or network design with an aim of improving customer experience.



Huawei

• China
• Telecommunications
• 700 & Above Employee

• Senior Performance Engineer

  • Jul 2013 - Jan 2015

  Senior performance engineer in MTN Irancell project (2G & 3G network)Performance Engineer of network team and responsible for CS, PS & RAN.• Perform detailed analysis and monitor all telecommunication functions to persistently improve performance.• To expedite troubleshooting and optimization processes via efficient reporting, progressive investigation and call details record.• Facilitate to improve KPI as part of Performance Management for all PS/CS Core networks plus Radio into Capacity• Regular statistical analysis & traffic modeling of NEs through U2000 & FACTS from raw traffic files and comprehensive KPI analysis.• Make an expert Clear Code analysis, Analysis of Trunk utilization and Congestion Measurement and further drill down to find out the route cause and identify the problematic functional area. • Examining and analyzing trending and aggregation stat and raw date of U2000 & FACTS to benchmark Core KPIs (SMS, MOC, MTC, Handovers, Paging, LOCUPD, CGR Traffic, ASR, ABR and IN Dial-up).• Examining and analyzing trending and aggregation stat and raw date of U2000 & FACTS to benchmark BSS KPIs (Handovers, CSSR, DCR, Paging, TCH Utilization).• Examining and analyzing trending and aggregation stat and raw date of U2000 & FACTS to benchmark GPRS KPIs (PDP Success ratio, GPRS attached Success Ratio).• Analyze the call behavior and trouble shoot in case of any issue by using network monitoring tools.• Extracting abnormalities in KPIs and having the relevant vendors to attend until resolution. • To develop trending reports and KPIs.• Evaluate agreed SLAs, Benchmark of multiple vendors environment, Independent KPIs generation.• Interoperability of all Core systems including the interfaces to VAS, BSS and IN.• Cross-System alarm and fault correlation survey.• Detailed report generation of Operations and tracking and tracing incidents.

• Front Office Engineer

  • Sep 2012 - Jul 2013

  Front office engineer in RighTel 3G projectResponsible for initial technical investigation and 50% resolution for detected incidentsMonitor network alarm and create a Trouble Ticket if needed after initial checks are done.Working with Mobile Networks Core components: VLR, HLR, SGSN, MSC, GGSN and Packet Core.Detecting and basic troubleshooting on problems related to network elements: MSC, MGW, HLR, STP, …Log the exact time of alarm, as it appeared in OSS.Monitor and manage Core network alarm events, service outage, network performance deterioration, customer complaint from alarm panel, constant monitor and analyze network performance consistently. This also includes providing escalation and notification of Minor, Critical and Major incidents/outages.Monitor alarms and performance information on the 24x7 basis.Perform initial analysis to identify issues follow by restoration if possible (1st line of Support).Perform periodical network backups and health checks to determine network status.Respond to Network Customer Support Team within agreed SLA time frame.Create and update/manage trouble tickets for any detected problem.Ensure all docket information are capture in activity logManaging technical escalation to ensure faults is rectified within agreed SLAs.Perform Escalation and Notification to keep management and other business units informed during system outages.Assist the FO shift leader in producing activity report for KPI calculation.Check and certified new network elements to be commissioned in operation environment within agreed KPI. (BIS)Assist the operation team in process improvement and ongoing development of tools and system.Ensure proper work progress, shift handover, data communication, team work spirit…etc. Working as shift Lead when required.



Farariz Ertebat

• FLM Engineer

  • Sep 2010 - Jul 2012