Senior Solution Architect
Ericsson
Total years of experience :15 years, 2 Months
Leading Vodafone Oman Core Network performance and optimization activities. Developed acceptance test scenarios for network launch. Developing annual forecasts for all Vodafone core network nodes. Developing alarming system for network, service and operation KPIs. Troubleshooting customer experience and service degradation issues, and proposing solutions. Validating and analyzing network performance and preparing action plans for improvement. Optimizing the network for best in class service performance and customer experience. Developing and presenting CTO dashboards for network and service performance. Monitoring network and service KPIs during incidents and special events for troubleshooting and escalation.
Led the Optimization team for fully-fledged virtualized Ericsson IMS, CS, EPC mobile and fixed network (MSC, MGW, STP, HLR, HSS, EIR, CUDB, ENUM, DNS, IP-SM-GW, DSC, SBG, CSCF, MGCF, MTAS, MME, S/PGW, SAPC...). Built automated process/tools for network/service performance monitoring and analysis. Built detailed KPI reports and for all core nodes for health check and KPI analysis. Investigated and troubleshooted performance degradation issues through trace analysis and KPI correlation, and provided technical recommendations. Optimized the network resources through advanced balancing techniques. Developed the capacity plan for mobile and fixed core network nodes. Conducted configuration/LLD audit for parameter alignment/harmonization and KPI improvement. Delivered impact/risk analysis reports for introducing new solutions/services. Provided recommendations for node/site redundancy improvement. Developed acceptance test scenarios for VoLTE introduction and troubleshooted the failed tests.
• Monitoring/analyzing STC 2G/3G/4G CS, PS, EPC and IMS performance and utilization; with specific focus on MSC-S, MGW, STP, HLR, HSS, CUDB, SGSN/MME, GGSN/SGW/PGW, PCRF and Site Routers.
• Preparing core network expansion plan for Hajj, Ramadan and promotions in term of SW licenses, hardware, signaling links/BW, trunk route capacity and site router ports; and proposing contingency plan.
• Investigating performance degradation through KPI analysis and troubleshooting tools; and recommending new features and design/configuration changes to improve network performance and resources utilization.
• Analyzing the reasons for degradation of technical KPIs and taking corrective actions to improve the degraded KPIs as required based on technical analysis and investigation.
• Developing KPI reports, setting threshold and performing daily/weekly audits for network resource efficiency.
• Supporting relevant Ericsson and STC teams with statistics during events, disasters and daily operation activities.
• Assessing the impact of operation activities on the core network utilization and service performance.
• Preparing network performance analysis for new projects, features and new node integration.
• Delivering technical presentations to STC for the achieved performance improvements.
• Supported VimpelCom OpCos in developing CS, PS, EPC and IMS core network technology strategy and articulating technical plans.
• Delivered CapEx/OpEx KPI based validation for annual core network technical budgets and 3-5Y business plans; and prepared reports for potential cost savings.
• Moderated VimpelComs Engineering Guidelines Working Group and developed its process.
• Developed technical guidelines for core network planning and node/interface dimensioning.
• Managed/validated the design and planning of mobile core networks across VimpelCom OpCos.
• Validated the demand requests of VimpelCom OpCos for new products, services and expansions including the development of business cases and TCOs.
• Managed group level RFQs for EPC & IMS/VoLTE from the preparation of technical specifications and traffic scenarios up to technical evaluation, BoQ validation and vendor selection.
• Supported Beeline Russia and Wind Italy in the preparation/implementation of EPC/IMS/VoLTE projects .
• Supported Djezzy, Mobilink, Kyvistar and Banglalink in the preparation for 3G services as well as in mobile broadband and PCRF/DPI implementations.
• Supported the development of Top Management Network Health KPI dashboard for network performance and data/voice traffic monthly trends.
• Developed/standardized Core KPI/KQIs across the Group covering quality, efficiency and service performance.
• Delivered monthly Core performance analysis and benchmarking; and shared best practices across the Group.
• Managed the development of local/group RFQ/RFPs and the evaluation of vendors technical proposals.
• Validated OTH CS and PS core network technology budgets and 3-5Y business plans in different revision cycles; and developed strategic initiatives for architecture evolution and CapEx/OpEx optimization.
• Supported Business Development team in all due-diligence missions and the related business plan development for Greenfield networks and acquisition studies in Slovenia, Canada, Lebanon, Afghanistan and Serbia.
• Performed periodic evaluations for vendors core network portfolios; and developed technical roadmap for OTH OpCos.
• Supported CS & PS core network design and planning activities in Greenfield operations (Wind Canada & Koryolink); delivered HLD/LLD, traffic matrix, capacity planning, redundancy plan and voice/signaling routing.
• Participated in All IP initiative for IP migration of TDM interface/links across the Group.
• Supported Procurement Department in all commercial negotiations and PO/PRs validation.
• Supported OTH OpCos in the preparation and implementation of CS, PS Core and UDC swap projects.
• Developed business cases for VoIP interconnect, MSC Pool, core modernization and data traffic management.
• Managed OTH certification process (PoC) for different products such as SBC, ATCA Softswitch and PCRF.
