SAQIB JABBAR

Client: AT&T

• Lead multiple AT&T projects focusing on end-to-end services, architecture, network integration, Service call flows, etc
• Leading areas of network integration, Service testing, validation, and certification
• Work with network function owners for network integration readiness per service Design Requirements, network integration work includes but not limited to DNN definitions, network IP connectivity, and firewall settings, and ensure that Network functions are ready to support new services before Service validation starts
• E2E Service Validation of new and existing services that involve validation of provisioning flow from the tech dev side and network call flow validation using the Wireshark tool
• Prepare test plan as per service design requirements and review with the project team including the service architect
• Worked on AT&T Voice over NR project and did integration work by coordinating with Ran, Core,and IMS team for testing VoNR
• Did Voice over NR service testing with Qualcomm chip set and ensured that E2E vonr service worked flaw less during Qualcomm chipset certification
• Currently testing Voice Over NR using S24+ device in the Lab and leading efforts in lab to ensure we find issues and resolve them before voice over NR deliver to customers.
• Working on Performance Boost on Demand project for 1.5 years and found many critical defects on network side ,Tech dev side and application side and worked with Network Functions team and Device team to fix them in lab the goal here is to provide best possible product to the Customers
• Did Integration work in lab and integrate Gaming DNN over 5G SA core and NSA core Did integration testing for URSP features and 5qi 7 and 5qi 150 in lab
• Worked on AT&T Turbo Project and did integration work with RAN and Core team that includes new QOS configuration and DSCP marking in both RAN and UPF.
• Worked with the PCF team and did initial testing with Simulated CCS using Landslide tool
• Prepared test plan for AT&T Turbo Project and did service testing in AT&T lab, worked closely with Project team and Field test team until product successfully launched
• Worked on AT&T Internet AIA Project and did Integration work along with Service testing, supported FFA and Project team until service launch.
• Working on APA Roaming project with AT&T internal and external team for Network integration, submitted Intake request to landslide team for simulating partner network MME and SGW.

• KPI monitoring of the 2G 3G and LTE networks and providing rectification of issues with coordination with field operations and the RAN department
• Worked and coordinated with vendors to execute swap, rehoming, and expansion projects and achieve company targets on time
• Responsible for network node configuration that include Enodeb, Nodeb, RNC, and BSC and their operation and maintenance.

• Responsible for the installation and configuration of BSC
• Responsible for the configuration of the new BTS with cell neighbor definitions
• Responsible for the expansion of TRX in BTS
• Provide support to the field engineer for the rectification of faults and alarms.