SUMMARY:

• Experienced in Telecom OSS/BSS areas such as Mediation, Subscriber - Policy Management, Charging & Billing on products like FusionWorks, Policy Management(PCRF Openet, Confidential, Cisco),ANDSF and Kenan FX/Arbor Billing platform respectively
• Code maintenance on Amdocs Clarify CRM
• Performed database Billing Configurations and Provisioning for Services, Packages/Calling Plans, Components, Contracts, Products/RCs, NRCs, Unit Credits, Discounts, Usage on Kenan Billing system for Voice, Data and FIOS Verizon customers
• Provisioned and tested PCRF features on VZW IMS network,
• Participated in Verizon HD Bundles war-room and invoice reviews performed using User Interfaces such as AIMS (Arbor Invoice Management System), SSP (Ordering reviews), IRB (Invoice Ready Bill Reviewer) .
• Provided 7x24 Production Support management of billing related issues for business critical applications.
• Proficient in various SDLC practices and experienced in all stages of project life cycle including development, quality assurance, deployment, client reviews
• Comprehensive problem solving abilities and effective communication skills

TECHNICAL SKILLS AND DOMAINS:

PCRF and Subscriber management products: Openet PCRF, Confidential /Oracle PCRF, Cisco Policy suite

Mediation platform: Openet Fusionworks, DSD

Telecom Billing: Kenan Billing suite

2G,3G,4G LTE 3GPP components: GGSN(ASR5K)/PGW/PCEF, PCRF, VoLTE/IMS, P-CSCF

WiFi: Cisco ISG

Application Network Protocols: Diameter, Radius

Databases: Mongo, HSS, HLR, Oracle PL/SQL, IBM Solid DB

Telecom network interfaces: Gx, Gy(OCS), Sy(OCS), Rx(IMS)

Tools: Wireshark packet analysis, tcpdump

Programming: C, C++, VC++(SDK and MFC)

Configuration management: CVS, SVN

Operating Systems: Windows, Unix(HP, Sun Solaris)

Middleware: Tuxedo

Scripting languages: Unix shell scripts, XML

Query/Reporting Tools: Toad, SQLPlus, SQL Developer

CRM: Amdocs Clarify

PROFESSIONAL EXPERIENCE:

Confidential

Software Engineer

Responsibilities:

• As a Solutions Engineer in Advanced Services group, responsible for -
• Designing Mobile and WiFi PCRF solutions integrated with various network elements like GGSN( Cisco ASR5K), Cisco ISG, OCS/CRM(RedKnee).
• Creating solution architecture docs like Use Case Repositories with Call Flows, HLD, LLD, Acceptance Test Plan covering Business Cases, Use Cases, Configuration for PCRF/ANDSF/ASR5K/ISG, Log validations for clients like TSTT, Telmex, Entel Chile, Apple,VZW and Internal Practice.
• Installing and configuring Cisco Policy solution that supports ANDSF, Virtualization using VMware and Openstack Orchestration for cloud computing.
• Identifying system integration requirements and working with in-house professional services and outside system integrator partners to deliver integration solutions.
• Establishing and maintaining a strong and trusted relationship with customers and partners.
• Providing consultative product and solution expertise on Cisco PCRF.
• Provide technical support in both lab and live traffic environment during customer Acceptance Testing.
• Working knowledge of PCRF and 3GPP standards
• Knowledge of how PCRF interacts with WiFi networks using Radius protocol
• Expertise in interactions between network elements including the OCS-Online Charging
• System, Call Flows
• Knowledge of QoS capabilities per monetization, rules, PCRF capabilities
• Understanding of handset to Gateway and PCRF call flows
• LTE call flows and platform interactions: IP layers 4-7 of the OSI model

Environment: Cisco Quantum Policy suite/PCRF, Mongo database, Unix Shell scripts, Putty, Wireshark, ASR5K GGSN, Cisco ISG, RedKnee OCS Knowledge and background in PCRF(Telecom Network Policy), Diameter, Radius, Telecom Billing systems, C, C++, Databases such as Oracle PL/SQL, Sybase

Confidential

Responsibilities:

• Position requires understanding of Diameter protocol in order to accurately evaluate products in customer environments and provide feedback to development when issues arise.
• Perform lab verification of all Engineering source/procedures provided in support of Installation/Configuration, Upgrade/Backout and Backup/Restore functionality/features for all BNS products.
• Develop and test MOPs for VZW 3G(UMTS),4G(IMS,LTE) networks.
• Provision Confidential PCRF on VZW IMS network including - preparation of Blade servers and Rack Mount servers(RMS) with PCRF Fresh Install and/or PCRF Upgrade ; define PCRF Policies, Rules, Network Elements, MPEs, MRAs on CMP GUI ; monitor network traffic activity.
• Support VoLTE IOT, End to End Testing for Engineering features, Regression Testing and Systems integration for VZW.
• Author original procedural documentation from Engineering source materials on an as needed basis for BNS products -
• Act as a 2nd level escalation point for field support of Installation/Configuration and Upgrade/Backout procedures for BNS products and ensure provisioning is successfully done.
• Assist customer with product validation within joint Oracle/customer lab facility. Work with the customer to understand requirements for the solution and be able to provide recommendations for defining/configuring various network elements.
• Provide results of testing to Oracle and customer. Testing involves integrating multiple devices and products into a complete solution and analyzing logs for any Provisioning failures.
• Resolution of customer issues for the Design Support & Professional Services group.

Environment: Confidential /Oracle Policy Management PCRF, Subscriber Data Management (SDM), Oracle PL/SQL, Unix Shell scripts, XML

Telecom network interfaces: Gx, Rx, Sy Online Charging(OCS)

Core network architecture 4G LTE 3GPP components: PGW, PCEF, PCRF, IMS, P-CSCF

Application Network Protocols: Diameter, Radius

Databases: HSS, HLR

Tools: Wireshark, Putty, FileZilla

Confidential

Responsibilities:

• Coded Business Rules Logic (DSD); performed system configuration & optimization; GUI configuration for Data, Voice and U-verse tracks of AT&T network; performed pre- and post- unit tests, prepared Release Notes for deployment, and participated in review and release calls.
• Addressed Work Requests related to a variety of GPRS Data streams: GGSN, SGSN, LTE, Circle (Border customers), SMS, IMS etc.
• Handled WorkRequests for U-Verse and Voice tracks in FusionWorks
• Developed PL/SQL scripts(using Packages, Procedures, Functions, Triggers, Materialized Views, Dynamic SQL, Synonyms, Sequences, DB Links, Partitions); Unix Shell scripts, DSD scripts.
• Worked with PBatch Collectors such as for Circle, MMS, IM; and QBatch collectors and OSC Collectors
• Acted as primary contact for periodic On Calls
• Performed problem diagnosis including debugging, problem resolution (remotely or onsite)
• Liaised with Services Engineering and Product Engineering to identify fixes and workaround for Client issues
• Provided regular updates to clients on the status of any open issues and managed Client expectations in line with SLAs

Environment: Openet FusionWorks and Policy Manager, DSD scripts(Openet Proprietary Dev platform like C/C++), Oracle PL/SQL, SQL Developer, Unix Shell scripts, XML, Putty, FileZilla

Configuration Management: SVN

Confidential

Senior Software Engineer

Responsibilities:

• Position required ability to work globally with a diverse team across multiple timezones, as well as strength in working independently with little direction.
• Showed proficiency in end to end project lifecycle within an Agile methodology environment.
• Setup IOT,Functional, Non Functional and Performance QA environments; created test plans for 3G(GGSN) and 4G/LTE(PGW) traffic defining case by case scenarios and developing DSD (Openet proprietary coding platform), Unix, and SQL scripts.
• Developed scripts for Functional and Performance/Load testing using Openet’s simulator frameworks- ATF(automated test framework), Diameter and Binary to simulate PCEF Credit Control requests from LTE,GGSN network to PCRF and verified PCRF responses to ensure proper behavior.
• Developed test data for Functional and Performance/Load testing simulators(ATF, Diameter and Binary).
• Documented business requirements in TestLink, defined test cases for policy scenarios on PGW and GGSN networks and generated QA plans with matrix traceability.
• Opened issues related to code and tracked requirements in JIRA system.
• Persistently worked through multiple iterations and changes across the testing environment as the project evolved and successfully deployed.
• Participated in QA and Customer document reviews, handled Jira ticket resolution for open issues and created Operations Guide.
• Showed strength in quickly adapting to changes and learning in aggressive environments.

Environment: Openet FusionWorks and Policy Manager(PCRF), DSD scripts(Openet proprietary development platform like C), IBM Solid DB, Oracle PL/SQL, Unix Shell scripts, XML, JIRA, TestLink

Application Network Protocols: Diameter(Gx, Sy interfaces)

Tools: Wireshark, Putty, WinSCP

Configuration Management: SVN

Confidential

Systems Analyst

Responsibilities:

• Responsible for Data Mapping and Migration of Verizon's legacy Kenan FX/Arbor billing data to an integrated platform being set up for 3 North East states NH, VT, MN at Fairpoint Communications and support the acquisition of billing assets from Verizon
• Major task involved picking up the billing system implementation and deliver with minimal inputs
• Performed detailed analysis of client requirements and documentation of the Data Mapping requirements and the Arbor Solution proposed with the implementation plan
• Configured the solution and participated in implementation which required coordination with other network elements to resolve provisioning and billing related issues
• Executed Kenan FX data migration validation
• Configured and provisioned Services, Packages/Plans, Components, Contracts, Products and Product Lines, NRCs, Credits, and Discounts to customer accounts

Environment: Kenan FX/Arbor Telecom Billing platform, Oracle PL/SQL, Unix Shell scripts, SQL Loader, C language

Configuration Management: SVN

Confidential

Software Programmer Analyst

Responsibilities:

• Involved in Initial Planning and Analysis (IPA) phase where business and data mapping scenarios were compared with the new product version and business requirements of FairPoint
• Worked on migration of data using VUU (Version Upgrade utility); analyzed data issues faced during VUU dry runs; compared FX Bill Invoices with BP Bill Invoices; performed module configuration and testing
• Provided Production Support involving end to end execution of billing jobs, defect fixes of billing system processes (COM,MCAP,CAP) and Verizon specific billing modules (like IGEN)
• Created billing data reports using Unix shell scripts and Oracle PL/SQL to: Gather information for DSL, FIOS users; determine accounts that overlap and possess both DSL and FIOS; and determine accounts that overlapped and possessed 2 FIOS Products
• Developed production level PL/SQL scripts to perform system wide updates and achieved 80% resolution of billing defects
• Performed system wide analysis for updating Billing Active Date for all customer accounts and resolved time stamp incompatibility issues
• Analyzed applicable Kenan database triggers, constraints and related fields to define the system wide update approach; documented the same for official reference.
• Validated Kenan configurations of billing entities - services, packages, components, products, contracts, discounts
• Performed root cause analysis of bugs to include determination of impact to other customers. Responsibility included clearing up all the errors before the bill cut.
• Increased productivity of the development team by providing exhaustive documentation of the analysis done and possible solutions to fix the bug

Environment: Kenan FX/Arbor Telecom Billing platform, Oracle PL/SQL, Tuxedo

Configuration Management: CVS