• Identifying and evaluating performance enhancement opportunities in IP (Core/Aggregation Router/Switches, Submarine links, CDNs, BRASs/BNG, AAA, DNS) and Transport (OTN, DWDM, SDH, MPLS-TP, MW) domains.• Automated analysis and reporting with the help of Python and Power BI. As result of these, high usage IP links, MW links, fixed access links reduced by 88%, 47% and 32% respectively. Optical power alarms reduced by 47%.• Correlated 4G/3G cell performance issues (TNL failures, IPPM drops) with MW transmission network performance through automation by using Python/Power BI skills and reduced analysis time. This greatly enhanced the efficiency and performance of the network.• Mapping the degraded Links/Network Elements with MapInfo/ArcGIS that helped in investigating the main pain point thus reducing the troubleshooting time.• Analyzing performance reports of Country-wide Fixed Transport/Access, IP, and Microwave networks and follow-up for improvement of KPIs. This brought down the number of highly utilized links and improved customer experience.• Familiar with concepts related to Massive-MIMO optimization like Pairing optimization (UE correlation, CQI, SRS SINR), MLB, Interworking optimization, MCS optimization, PDCCH optimization, Traffic distribution base optimization, Antenna Pattern optimization.• Analyzing utilization of Access Links from the SolarWinds platform and directing teams to resolve high utilization cases. The customer experience improved with the resolution of highly utilized links.• Experience in testing 5G and 4G/LTE CPE devices (Fixed Wireless Access router/gateways, 4G/5G Wifi Cloud).• Monitoring the performance of FiberHome/Huawei/ZTE PTN, and Nokia 100G transport networks. Identifying congested links, Optical power, Protection, and traffic balancing issues. Forwarding the recommendation to the Transport team for resolution.• Got resolved Redundancy, load balancing, and Capacity of IP core critical links.

• Lead a team of engineers to execute optimization-related activities for LTE FDD/TDD Network and 3G/CDMA BTSs in the North Region of Pakistan.• RAN optimization at Regional/Cluster Level/Site Level by analysis & troubleshooting of Parameters, Neighbor list optimization. Optimizing RSRP, RSRQ, SINR, and CQI for better coverage, quality & throughput. • Optimized resources by performing the capacity analysis (Radio resources, transmission resources, HW resources, licensing) and identifying potential issues, e.g., latency, throughput, failed connection attempts, drop connections, etc. that resulted in improved user experience.• Experience and in-depth expert-level knowledge of RAN, LTE & NR Technologies; with good knowledge of core & transport networks.• Knowledge of 5G concepts like SA, NSA, Spectrum (FR1, FR2), massive-MIMO, beamforming, BWP, New Waveforms, LTE-NR interworking & co-existence, 5G Numerologies and uses cases like eMBB, URLLC, mMTC, V2X.• Knowledge of 5G Core technology like AMF, SMF, UPF, PCF, AUSF, UDM, NSSF, Interfaces (N1, N2, …), and Service-based interfaces. RAN Virtualization, Network Slicing.• Extensive understanding in 5G ORAN / vRAN split functions (7-2x, RU, DU, CU, CP, UP...)• Understanding and experience in RAN/vRAN software architectures in a virtualized environment.• Understanding of IoT applications in different sectors like Smart cities, smart homes, smart energy/smart grids, Transportation, Health, Education, monitoring/sensing, etc. Concept of mmWave,• Technical knowledge of VoLTE/IMS/SIP, SRVCC, NB-IoT, SON, SDN, NFV, centralized RAN (C-RAN), and O-RAN.• Good understanding of overall Wireless systems and PHY, MAC, RLC, RRC and PDCP layers.• Good understanding of TTI bundling, RoHC, and SPS scheduling for VoLTE capacity optimization.• Knowledge of wireless packet core technology such as PCRF, HSS, PGW, SGW, MME, SGSN, and GGSN.• Knowledge of 3GPP standard (Rel15 & 16)

• Lead a team of engineers to execute optimization-related activities for CDMA 2000 1x/EVDO in the North Region of Pakistan. Performed a lead role in many swap and expansion projects.• Good understanding of BSS, Core, and Transmission part of the network.• Took part in planning and worked with deployment team in rolling out several projects in different phases that increased the footprint of wireless broadband service from 03 cities in 2008 to 250+ cities in 2011.• Strong knowledge of RF engineering principles (RF communications theory, radio design principles, propagation modeling). Optimized SINR, Rx for better quality & throughput. • Performed O&M activities. Designed rectifier, batteries and DG set capacity for the NEs.• Proposed up-gradation /expansion of network based on coverage and capacity analysis.• Performed core network capacity audit and resolved low throughput issues by optimizing core NEs.• Capacity Monitoring: CE usage, Walsh Code Usage, TCH Congestion, RF power overload, Abis congestion, Backhaul transmission, RSSI (Noise Rise) monitoring, data traffic monitoring between PCF and PDSN, etc. for expansion.

• Worked closely with the project team in rolling out 1300+ green field CDMA 2000 BTSs across the whole country.• Supervised RF optimization of CDMA 2000 (1x Voice, data & EVDO) Network deployed by Huawei, ZTE.• Managed a team of engineers to execute the optimization activities like conducting Drive Tests, addressing coverage/ voice breaking/ call dropping/ handoff failure/ access failure issues.• Tested & implemented inter-vendor hard handoff and intra-vendor soft handoff across the whole country.• Problem identification with Layer 3 Messages; Uplink/ Downlink measurements.• Network elements monitoring, analysis, fine-tuning, optimization, and troubleshooting.• Analyzed traffic reports, took actions to maintain KPIs, and forwarded the recommendations to the planning wing for expansion.• Extensive experience in testing Mobile terminals and 3G CPEs/data devices.

• Worked on the following projects as a team member:⮚ Worked as a team member in testing and commissioning of 16 x 2.5 Gbit/s DWDM/SDH network in the Center Region of Pakistan. Huawei, China supplied equipment.⮚ Worked on Huawei DWDM (OptiX BWS 320G & BWS 1600G) and SDH equipment (OSN 9500, OSN 7500, OSN 3500, (STM16/STM-64)), Siemens SDH and Nortel DWDM.⮚ Participated in rolling out of 1546 Km long Optical Fiber STM-4 network. Equipment was supplied by NEC (Japan) and Cable was supplied by Olex (Australia).• Planning/ Designing/ Implementing/ Commissioning of SDH/DWDM links.• OAM & P experience of SDH/DWDM networks. • Supervised NOC and ensured that the NOC organization is adequately staffed and that key positions are delegated to personnel with adequate training and skills to perform the task.• Provided the management with reports on NOC performance as per the agreed schedule and ensured that the network performance reports are generated as the desired pattern and delivered in time. Knowledge of IP Transmission networks.• Hands-on experience in Testing equipment like Digital Transmission Analyzer (e.g., ACTERNA ANT-20 SE), Optical Spectrum Analyser, Optical Power Meter, Optical Laser Source, OTDR, Optical Cable Fault Locator, Visual Fault Finder, etc.● Circuit provisioning for E1, E3, E4 level to corporate customers and mobile operators.● Trained the staff on newly introduced SDH transmission technology.● Planned redundancy in case of network failure and saved PTCL revenue.● Tested different Optical Fiber types according to ITU Recommendations (G.652, G.653, G.654, G.655, G.656).● Ensure smooth provisioning of fiber links to internal and external customers.● Remained involved in deployment of Optical Fiber network e.g. Laying of cables, Splicing, Termination in ODF, Testing & Commissioning, etc.● Performed testing & commissioning of newly installed Optical Fibre links.