Apr 2020 – Aug 2025 · 5 yrs 4 mos

• Core Competencies
• 5G SA Core Architecture: AMF, SMF, UPF, PCF, NSSF, AUSF, NRF, UDM, UDR
• 4G Core NF: MME,PGW,SGW,CSCF, HSS,TAS, RMS, MSTORE, Webrtc(WRG), UAG,PRS
• 5G ORAN: CU-CP, CU-UP, DU, PTP, Foxconn Radio, E511 Small Cell
• Standards & Models: 3GPP TS 23.501/502, ETSI MANO, SBA Architecture
• Protocol & Call Flows: NAS, PFCP, GTP-U, HTTP,SCTP,SIP,DIAMETER,DNS,DHCP
• Cloud Platforms: Red hat OpenShift, AWS, Bare metal, GCP
• GitOps & CI/CD: ArgoCD, GitLab CI, MIO, ArgoWorkflow, Ansible
• Monitoring & Logging: Prometheus, Grafana, Thanos, COO, Vector5G O-RAN TDD SA + 5G core, - Testing & Validation: E2E Integration Testing, UE registration and PDU session, Slice
• Provisioning, QoS validation, Throughput testing using iPerf
• 5G CPE Device Testing : Oneplus Node, WNC, Askey -
• OpenShift, Docker, Kubernetes, ACM, ODF, SR-IOV, OVN-K8s, Multus
• Shell Scripting, Basic python scripting
• Tools: Free5GC, UERANSIM, Wireshark (PCAP), Tshark, QXDM, iPerf
• Customer: Cellnex (Spain) ongoing, Netmore (UK),
• DTAG (Germany), Sonic
• Responsible for Design/Deployment/integration and support of 5G Core NFs and 5G Open
• RAN for End operators.
• Hands on experience on Docker, Kubernetes/Containerized based NPN 5G ORAN solution including MWP21.1 CAAS , PAAS. ORAN NFS : CUCP,CPUP, VDU, PTP as pod and All 5G Core NFs (AMF/SMF/UPF/NSSF/AUSF/NRF/UDM/UDR/UDSF/SP).
• Responsible for 5G Solution and Network Design discussion and CIQ planning for End
• customers.
• Designing and dimensioning of 5G core /RAN containerized Platforms using docker/kubernets for the various NFs being used in solution.
• Giving Support to onsite operations team for 5g ORAN/Core activities and L1/L2 logs analysis for issue’s reported by customer.
• Deployed PRQN 7800 Foxconn Radio and integrated with RAN (DU) and tested on CPC ( Askey and WNC devices).
• Radio Throughput testing using iperf client and QXDM logs analysis.
• Apart from this doing E2E 5G NPN (SA-TDD) testing in NPI Lab.

Apr 2016 – Mar 2020 · 3 yrs 11 mos

• Design and solution discussion with T-mobile Engineering Team for ongoing projects c-digits and e-digits.
• Solution and design discussion internally with R&D and implementation of solution in test staging and production environment.
• Responsible for IMS Core and VoLTE/VoWIFI products solution deployment, integration, customer Acceptance and on-site/offsite Project
• NFVI/O based deployment design and integration including creation of various VNF and network descriptors based on VNFM/ Orchestrator of Mavenir’s core and access products.
• Designing and Dimensioning of ATCA and Virtualized Platforms using Openstack & VMWARE for the the various access and core telecom products.
• Successfully deployed and integrated IMS core products CDB, CSCF ,TAS, RMS, MRF, CSCF EAS, RMS, XDMS, PRS ,Mstore for T-Mobile USA
• Hands on expertise on different hardware platform like "HP, ATCA,RADYSIS, Open stack ,GCP
• Hands on expertise on protocols like SIP, DIAMETER, MSRP, RTP, LDAP, SMPP, DNS
• Good knowledge and troubleshooting skills of 3GPP specification based IMS/VoLTE products, virtualization & various hardware Server technologies.
• Deployment documentation & Handling operational activities like process adherence, incident report, security updates, system backup, reporting, release management & product testing.
• System Integration Testing, Feature Testing, executing ATP test cases for product roll-out.
• Engineer, build and implement new operations, on Google cloud platform
• Setup GCP foundational elements for subscriptions, compute, storage, networking and interconnectivity of cloud
• Understanding of IAM, Organizations, Projects, Roles and policies.
• Thorough understanding of Kubernetes, dockers and containers.
• Hands on experience on google cloud shell, deploy docker containers, deploy apps.
• Experience of database technologies Cloud SQL, Spanner, BigTable, etc
• Knowledge and hands on experience on Stackdriver, pub-sub, VPC, Subnets, route tables, Load balancers, firewall etc.

Sep 2014 – Mar 2016 · 1 yr 6 mos

• Working on IMS Core, 4G LTE, Voice of Wifi , VOLTE , RCS messaging & Conference.
• Project Phone2.0 Digits (T-Mobile USA)
• Successfully deployed and integrated IMS core products for T-Mobile USA.
• Deployed and integrated Phnoe2.0 product CDB, WSG,PUAG,CSCF,TAS,MRF,CSCF ,B &E Portal,EAS,RMS,XDMS,PRS,Mstore for T-Mobile USA.
• Deployed and integrated Webrtc U and C plane for T-Mobile USA.
• End to End testing for Phone 2.0
• ATP for Phone 2.0

Jan 2013 – Aug 2014 · 1 yr 7 mos · Gurugram, Haryana, India

• Deploying and Integrating of VAS products
• Project Undertaken for Operaters: Telefonica Costa Rica, Telefonica Guatemala, Optus Australia, Maxsis Malasia, Airtel Africa (Malawi, Uganda), Claro Nicaragua, Claro Guatemala, Orange Slovakia, Tim Brazil.
• Work Experience:
• Working as a Solution integrator and Deployment Engineer for VAS products.
• Successfully Deployed and integrated SMPP Gateways (Acision Application gateways, AAG) across the globe for customers like Optus (Australia), Maxsis (Malasia), Tim Brazil (Brazil), Airtel Africa (Nigeria, Malwai, Uganda),Claro Brazil, Claro Nicaragua and Guatemala , Orange Slovakia etc..
• Worked on Acision SMSC/MCO/Telepath/MMSC and integrated with existing network.
• Integrated SMPP application gateway (AAG) with SMSC, MCO and MMSC and Customer Application servers ESME and Large Account.
• Deployed AAG in Geo redundancy mode for Claro (Nicaragua and Guatemala), for Optus in Sunshine and Mascot.
• Having a protocol knowledge of SMPP, UCP,LDAP,SS7,LDAP,GSM MAP,SNMP,
• Deployed AAG in virtualization for Customer EE, UK.
• Configured Cisco Switches, Routers and Load Balancer and F5 Load balancer , prepared IP plan and Network Design.
• Completed Migrated and cutover for AAG and SMSC.
• Intergrade AAG with SMSC, Migrated all SMPP Large Account from SMSC to MCO for optus.
• Prepared the Solution design document for AAG, Test cases document ATP,UAT and MOP preparation, End to End testing of products.
• Deployed MMSC and HSP-Web gateway in cluster environment for Globe-Philippines.
• Having a strong experience in Linux admiration, configuration & shell scripting.

Apr 2011 – Jan 2013 · 1 yr 9 mos · Gurugram, Haryana, India

• Working as Telecom specialist for the VAS product. Project Undertaken: Airtel Malawi, Telcel Mexico, Tim Brazil, Airtel Uganda, Optus Australia
• Work Experience:
• Job responsibly include deployment, configuration and upgradation of VAS services across the globe.
• Deployment of Asicion Application Gateway in existing telecom network.
• Integration of AAG with SMSC and other nodes in the network components like MMSC, PSA, BT, MCO .
• Configuring and Migrating LA and SPA. Performing the different test case for UAT, performing ATP.
• Preparing MOP, Test cases and Solution design for various clients.
• Installing and configuring the LDAP database used in AAG.
• Handling and Managing a Team of 12 people with AAG product.
• Handling the issue comes while doing deployment and discussing various technical issues with clients and team.
• Configuration of Cisco Switches and Routers and Load balancer.
• Installation and configuration of Linux on HP Blade servers and design of IP plans and network design.
• Worked on various telecom protocols SMPP, UCP,SS7,SIGTRAN, LDAP,TCP,UDP.

Nov 2009 – Mar 2011 · 1 yr 4 mos · Noida, Uttar Pradesh, India

• Project: Prepaid Operation (E-Recharge.LAPU)
• Client: Bharti Airtel
• Work Experience:
• Providing the support on Prepaid Operation which includes E- Recharge, VAS Services, DTH, HT, LandLine, VCC and Postpaid Bill payment Services for PAN India.
• Monitoring and configuring E-Recharge services in Utiba Application on Linux(RHEL-5) Platform, Generating Reports for PAN India and making MIS report from MIS server.
• Monitoring the SMSC and IN and co-coordinating with the SMSC and IN and Oracle DBA Team in various activities.
• Testing the services and analyzing the Application logs in debug mode. Performing the testing of changes in Test environment before putting it in production server.
• Preparing and reviewing the documentation that relates Lapu operation via SOP, Introduction of new process and providing knowledge base training , preparing and sharing MOP with clients before activity.
• Performing day to day operations and monitoring and managing logs, scheduling cron jobs, system health check,checking memory and process of Lapu servers.
• Checking connectivity between LAPU, IN and SMSC by ping , traceroute and netstate.
• Giving L2 level support for the E-Recharge Lapu Application, managing and handling the prepaid operations team.

Dec 2006 – Mar 2009 · 2 yrs 3 mos · Noida, Uttar Pradesh, India

• Project :Airtel E-Recharge
• Project Partners : Bharti, IBM, Utiba, CMG-Logica (SMSC), Ericsson
• Work Experience :
• Monitoring, managing & configuring the front-end Production Application server installed with application Utiba in Redhat Enterprise linux-5.
• Writing and modifying shell scripts, scheduling cron jobs. Generating reports from Oracle database and uploading the reports in ftp server.
• Analyzing and maintaining the logs and Troubleshooting the any issue in the application. Managing and handling Squid proxy server.
• Troubleshooting the connection between the servers and network Configuring the daily changes for recharges in Application server.
• Uploading the HT (Hello Tune), RT (Ring Tone), VCC (Virtual Calling Card) and Post Paid Bill Pay servers in Oracle Database Server.
• Analysis of day to day errors Communication with NOC, IN (Intelligence Network), Network and DB Teams responsible for network coverage for Airtel and Monitoring SMSC and Applications logs.
• Taking daily back of applications and configuration and scheduling cron jobs.
• OS migration from Rhel 3.0 to Rhel 5.0. It will help to upgrade to latest kernel version which in turn will resolve the choking issue at application end.
• Completed major activites including Lapu Data Centre Migration, SMSC migration, Lapu Decentralization into North, South, East and West Hub.

Nov 2005 – Dec 2006 · 1 yr 1 mo · New Delhi Area, India

• Installation and configuration Redhat Enterprise Linux and HP UNIX in IBM X225 series servers as well as implementation of RAID 5 on IBM servers.
• Implementation of FTP, Samba, NFS, Sendmail, Quota, Cron Jobs and security on servers. Installation and configuration of appilication FEAP and COBOL in IBM servers and in backup Server.
• Backup and Restore data in Tape drive through tar commands.
• Other responsibilities include maintaining user logins, device management, Coordination of system upgrades, application support and troubleshooting.
• Managing LAN environment with Linux, Windows98, Windows XP PC’s, managing WAN of 64kbps leased line and troubleshooting and monitoring Branch to branch.
• Hardware RAID configuration as well as BIOS updation Installing and monitoring Trend micro antivirus in client and in Backup pc.