Prathamesh Pawaskar

Developed proficiency tailored to EPC project needs.

• Experience deploying vPGW-SGW/vWMG (TOSCA) on VMware using VNF LCM.

• Experience in preparation of IP design, LLD. Performed live/non-live node activity with proper MOP and documentation.

• Modification of bcat_config.yaml, epg.ovf, epg_vmware_bcat_config_simple.yaml, and instantiate_inputs.yaml as per the solution document.

• Generation of the CSAR for deployment.

The full configuration is done on the vPGW/SGW node.

• Hands-on experience with virtual cloud directory (vApp template creation and deletion) and VNF LCM.

• Modification: Creation of deployment prerequisites: flavors, image, and network.

• Deployed, Scale-OUT/IN, upgrade vEPG/vWMG VNF successfully.

• Testing and reporting for vEPG VNF.

• Completed all web-based learning and recorded sessions for SGSN-MME, EPG, and SAPC.

• Participate in SGSN-MME, EPG, SAPC training.

Hands-on experience in the deployment of Ericsson VNFs on Ericsson Cloud Infra.

• Hands-on experience in the deployment of VNF on VMware using VNF LCM.

• Understanding of Linux and IP networking.

• Understanding of deployment of Ericsson Open stack/OpenShift solution in Ericsson Lab.

Enhanced proficiency in 5G network technology.

• Ericsson Associate 5G Core (ECP-414) Certified

• Basic knowledge of 5G architecture.

• Basic understanding of 5G networks.

• Understanding of PCC and PCG deployment.

• Understanding the Configuration of AMF and SMF.

Executed packet core design across multiple deployment projects.

Project 1: Millicom Tigo Bolivia and Paraguay (Apr 22 to Oct 23)

• Supported Tigo Bolivia and Tigo Paraguay for vEPG v3.30 CUPS deployment on the VMWARE platform using VNF LCM. Also performed integration, upgrade, scale-in/scale-out, testing, and reporting.

Roles/Responsibilities:

EPG TOSCA-based deployment activities:

Preparation of the MOP for vEPG deployment.

• Understanding of software Gateway and how to download the latest packages for different deployment methods, for example, VCD package, upgrade package, etc.

• Modification of bcat.yaml, instantiation_input.yaml, and epg_ovf files as per the solution document.

• CSAR package creation.

Onboarding all the modified packages to VNFLCM CLI to their desired paths.

• vApp template creation and deletion using the Virtual Cloud Directory.

• Performed Instantiation and Termination workflow in VNFLCM to Deploy or terminate the respective vnf.

Exporting and importing configuration backup from the node and restoration of the node after deployment.

EPG upgrade activities:

Preparation of the MOP for the vEPG upgrade.

• Performed upgrade by using three different methods on vEPG from version 3.23 to version 3.30.

• Redeployment using the latest package from version 3.30, and terminating the existing vEPG VNF using VNFLCM and console login through the Virtual Cloud Directory.

• Performed Manual upgrade through CLI using upgrade package.

• Performed CCVP (Current Change VNF Package) to upgrade the vnf using VNFLCM workflow.

EPG Scale IN/OUT activities:

• Preparation of MOP for Scale-OUT.

• Performed Scale-OUT by using two different methods on vEPG to scale up the number of VSFO’s.

• Performed Redeployment using same software package and modified the number of VSFO’s in bcat.ymal file.

Performed scale-out directly on VNFLCM using the scale-out workflow.

vEPG Configuration activities: -

• Preparation of LLD using CIQ inputs.

• Created network diagram using VISIOtool.

• Preparation of MOP for configuration of VRP and VSFO cards and network configuration.

• Performed cards, bfd, bgp, arp, andcontext configuration on vEPG.

• Performed Security enforcement with EAL3 password policy on node.

• Ingress/Egress configurations.

• DPI configuration.

• Interfaces configuration for example: - Gx, Gy, NTP, ENM, Nels etc.

vEPG Integration activities: -

• Preparation of MOP for Integration of our vEPG with various other nodes for example OCS, MME, PCRF, ENM, Nels, TMA, PCRF etc.

• Preparation of communication Matrix for tracking the connectivity status of vEPG with all integrated nodes.

• Performed ping and traceroute checks for connections with vEPG.

vEPG Testing and reporting activities: -

• Basic Troubleshooting on EPG.

• EPG Health Checks and Log collection

• EPG backup and export.

• Performed a testing using AAT and UE on customer location.

• Enabled UE traces for both EPG_C and EPG_U node.

• Collect ITC, UE trace and tcp dump.

• Analyzing collected pcap traces using wireshark.

• Extracting reports from TMA and ENIQ tool.

• Monitoring the node after activity.

Project 2: DT Germany (vEPG and vWMG) (March 24 to July 24)

vEPG TOSCA SRIOV-FLAT based deployment activities: -

Preparation of the MOP for vEPG deployment.

• Understanding of software Gateway how to download the latest packages for different deployment methos for example, VCD package, upgrade package etc.

• Modification of bcat.yaml, instantiation_input.yaml, and epg_ovf files as per the solution document.

• CSAR package creation.

Onboarding all the modified packages to VNFLCM CLI to their desired paths.

• vApp template creation and deletion using the Virtual Cloud Directory.

• Performed Instantiation and Termination workflow in VNFLCM to Deploy or terminate the respective vnf.

• Exporting and Importing configuration back-up from node and Restoration of the node after deployment.

vEPG Configuration activities: -

• Preparation of LLD using CIQ inputs.

• Created network diagram using VISIOtool.

• Preparation of MOP for configuration of VRP and VSFO cards and network configuration.

• Performed cards, bfd, bgp, arp, context configuration on vEPG.

• Performed Security enforcement with EAL3 password policy on node.

• Ingress/Egress configurations.

vEPG and vWMG TOL activities:

• Prepare the Test cases to perform ATP for vEPG and vWMG

• Performed functional as well as End-to-end test cases for both nodes.

Project 3: PGES Poland (vEPG) (Aug-24 to Oct-24)

vEPG TOL activities: -

Prepare the test cases to perform ATP for vEPG.

• Performed functional as well as End-to-end test cases for both nodes.

Project 4: CWP Panama (vEPG) (May-24 to current)

vEPG IMS integration activities: -

• CIQ preparation for vEPG and vIMS integration

• MOP preparation for p-cscf configurations in vEPG

• Configuration activities were performed for APN, IMS, SOS, and HOS.

• Performed reachability tests and preparation of Communication matrix.

• Performed 1st VOLTE and Emergency call testing successfully.

Project 5: FT Tele NFVI & Migration Project (vWMG) (Dec 2024 to current)

vWMG Traffic Migration activities: -

· Preparing MOP for Traffic Isolation, Upgrade, Manual Re-Deployment and Traffic Restoration

· Performing Traffic Isolation LNA activity

· Performing manual Upgrade from v2.12 to v2.17 vWMG

· Preparing day0, day1 files and generating HOT package and performing manual re-deployment

· Performing monitoring activities and HC through out project

· Performing config restoration and traffic restoration

Project 6: POST Lux - NFVi upgrade (vWMG) (Feb-25 to current)

vWMG Traffic Migration activities: -

· Preparing MOP for Re-Deployment via TOSCA workflow and Traffic Restoration

· Preparing day0, day1 files and generating CSAR package and performing re-deployment via VNF_LCM

· Performing monitoring activities and HC throughout project

· Performing config restoration and traffic restoration

Mobility Operations.|Technical L2 Engineer| TATA Communications. Handling complete mobility-related issues and resolving them.

Working on Enterprise/MVNO customer complaints and providing end-to-end resolution for the issues.

Under mobility operations, having good expertise in packet core-related issues.

High-performing professionally, with good expertise in S6a, GX, GY, and PCRF interfaces, and troubleshooting issues.

Logging into the packet gateway and troubleshooting with the live data.

Assisting internal teams during different activities on P-GW, such as checking current traffic, subscriber count, and analyzing statistics graphs (Active Sessions).

Perform a sanity test post-completion of activities.

Troubleshooting with cross-functional teams, like HLR, OCS, TAC, and API teams.

Doing provisioning-related changes in the HLR.

Having expertise in resolving 3G, 4G, data, voice, and SMS issues.

Handled IoT-related issues for Fleet and Airways, with a good understanding of IoT concepts and architecture.

Handling Voice (SIP) operations:

Knowledge of VoIP with TATA Network. Knowledge of SIP and call flow.

Monitoring the overall traffic of voice customers, such as ASR, ACD, NER, Telchemy, Spearline, and NDAS monitoring and troubleshooting.

Capturing call logs on the Capture server utility and analyzing the trace using the Wireshark application.

Providing technical support to enterprise customers who are using TCL Link for the outbound/inbound process.

Routing management at SONUS and the RS platform for inbound and outbound calls of Tata Communications.

Handling BSS operations.

Having excellent expertise in REST APIs, analyzing logs from the Akhana platform, and resolving issues.

Adept at problem identification and solving API-related issues.

REST API testing on Postman, ARC.

Handling Outages:

Excellent understanding of Kibana, building graphs, managing dashboards, and creating visualizations.

Proven ability to manage data, attain graphs using real-time data, and understand traffic patterns based on interfaces.

The logical approach to identifying the problems using live data.

Monitoring and identifying the problems proactively helps in avoiding severe outages.

At times of network or API outages, raising media events, timely updating customers, pulling the respective teams on call, and driving the issues toward resolution.

Testing:

Excellent hands-on experience in testing using remote access tools like Mobileum and SIGOS.

Performing testing for voice, SMS, and data for different locations, as per the allocated PCRF rules.

Enterprise Voice NOC.

Knowledge of VoIP with TATA Network. Knowledge of SIP and call flow.

Knowledge of the Assure Now portal and Carrier Attributes.

Proactive TT, like ASR, ACD, NER, Telchemy, Spearline, and NDAS monitoring and troubleshooting.

Capturing call logs on the Capture server utility and analyzing the trace using the Wireshark application.

Providing technical support to enterprise customers who are using TCL Link for the outbound/inbound process.

Routing management at SONUS and the RS platform for inbound and outbound calls of Tata Communications.