Kausar Rehman

• Handling STL Mediation,STL CGNAT and CGF and AAA solution

• Handling STL Mediation,STL CGNAT and CGF mediation .
• Closely work with Sales team for technical discussions with the Customer sales team .
• Deployment of implimentation upgrade or CR realted projects for Airtel and Vodafone account.
• Troubleshoot and technical support for team members during application architecture deployment .

• Worked as part of integration team responsible for application deployment UAT, Golive and handover of Subex Fraud Management(FM) Application

Banglalink EMM8 to EMM 18 Virtualisation migration:
- Responsible for EMM18 application deployment.
- Creating VMs for 8+1 Blade server with CPS server.
- Initiating parallel run for all charging system traffic before cutover.
- Troubleshooting migration issues.
- Ensuring routing and IP connectivity with all upstream and downstream systems.
- Implementing hardening and security features on all VM servers.
- Conducting Customer Acceptance testing before going live.

Vodafone India virtual EMM 18 project:
- Configuring VM instances of EMM18 on Red Hat OpenStack.
- Creating VMs for 8+1 Blade server with CPS server.
- Configuring and exposing cloud storage for EMM18.
- Troubleshooting ongoing cloud issues with virtual EMM.
- Supporting business logic development and updates.

Digicel Jamaica/T&T EMM Business logic change and system upgrade:
- Developing Business logic from CS17 to CS5.1 CDRs of IN nodes.
- Leading EMM-related issue resolution for customers in the region.
- Upgrading mediation system to Ericsson Mediation 15 and migrating live traffic.

Zain Kuwait EMM Upgrade project:
- Upgrading MM8 to MM8.3 version of 3+1 cluster.
- Performing live upgrade on Solaris with replica on Alternate root disk.
- Integrating older EMM version into live environment without network downtime.

GrameenPhone Bangladesh Expansion project:
- Upgrading MM8 to MM15 version of 17+1 cluster.
- Migrating IN and BSCS traffic to updated EMM.
- Handling new requirements for business logic changes.

MTC Namibia CS Implementation project:
- Installing EMM15 Cluster on a virtual environment.
- Creating VMs for EMM Blades on Vcenter.
- Establishing Virtual ports for respective EMM nodes.
- Setting up storage mount points from external storage LUNs.
- Integrating and developing business logic for AIR and SDP CDRs.

Djezzy Algeria 4G implementation project:
- Configuring 4G and conducting Business Logic acceptance testing.
- Implementing changes as suggested by Djezzy.
- Migrating configuration from test setup to production.
- Going live with configuration and monitoring EMM for any issues.

Ericsson Global R&D team (PDU):
- Testing Multimediation 15.2 with the latest ICP.
- Configuring and testing hardware and applications in various scenarios.
- Upgrading MM7 to MM15 and testing.
- Identifying bugs in the latest ICP and resolving them at the user level.

MTN Iran cell Swap project:
- Installing 8+1 X86 HP blade Servers at four locations in Iran.
- Configuring VNX 7600 storage.
- Creating mount points on EMM.
- Configuring FCOE on HP chassis for VNX storage.
- Integrating different streams and conducting H/W and S/W UAT with customers.

Zain CBIO phase1 KSA project:
- Installing 5+1 X86 blade cluster in Riyadh and Jeddah.
- Fully integrating EMM with upstream/downstream systems.
- Developing streams like SGSN, GGSN, AIR, SDP, etc.
- Managing pre and postpaid flows and implementing new customer requirements.

• Responsible for solution integration

• Responsible for solution integration