MAVIS CHITRA HERALD STEPHEN. : ad4c5d@r.postjobfree.com : +1-908-***-****

SENIOR MANAGEMENT PROFESSIONAL

Project Management, Software Testing and Quality Management

Technology driven professional with over 11.10 years of experience in testing, integration, technical support and client interaction activities; involved in Interoperability testing(IOT), Regression, GUI (Front end), Backend, Sanity & Redundancy testing.

Test Line Manager at Philips – TCoE(Testing Center of Excellence), having strong focus towards quality delivery, interpersonal skills and a positive attitude and good customer connect(Netherlands).

Took complete ownership as Tribe Test Lead Consultant in ENM Project, Ericsson and been onsite to Ireland, UK, co-ordinating and managing team leads of the tribe across 3 locations Poland(Node Health Check feature), Ireland(Network Health Monitor NHM and Eniq Integration) and India.

Managed Agile Scrum Masters, and a Wipro Certified Scrum Master.

Associated with Customer Leadership Interface Program and Leaders Development Program.

Assistant SQA Manager in Wipro Mission Quality team, Lean facilitator.

Knowledge of Software Engineering & Testing Methodologies as well as on Binary Runtime Environment on Wireless Communications (BREW) and CORBA.

Deft in conducting design and review of test plans with respect to functional and system specifications as well as in defect reporting and defect tracking to closure.

Experience in preparation of test cases – using common information exchange reference model which are unambiguously defined: what is sent is the same as what is understood, worked on Web based and Client/ Server applications with layered architecture using CoreJava and tracking of defects using Defect Tracking Tool Bugzilla, GNATS and CDETS (Cisco Internal Bug tracking tool).

Distinction of being awarded with:

oCISCO Star awards for extending timely support to fields teams for bulkstats issues in addition to handling regular tasks.

oCISCO Star awards for Recreation of Pathfailure issue with persistent follow-up with Development Engineering to nail down the customer issue(scenario).

Managing teams with Shell and TCL scripting knowledge for building automation framework on bulkstats on Solaris10 platform while working on SDLC and STLC as well as experience in testing telecom wireless packet core(GPRS & UMTS protocols) – using 3GPP - 2G,3G, 4G LTE EPC, VoLTE, VoNR, IMS, MME, PGW, AMF, SMF, 5G NR NSA/SA, LTE, RF, CAT M1, NB-IoT Voice over IP, 5G Core and 5G New Radio technologies.

Worked on Test equipments and carrier defined test plans for regression and new features.

Analysed RCS protocols, and log analysis on QXDM and QCAT tools and experienced in execution of Interoperability test plans.

SIGNATURE SKILLS & EXPERTISE

Project Vision & Strategy Quality Management/ Development Software Testing

Change Request Management Client Engagement System Level Acceptance

Training, Mentoring & Coaching Product Customization & Maintenance Team Management

CAREER HIGHLIGHTS

Worked on BREW with Qualcomm, for testing Kyocera mobile handsets and knowledge of ISO/TL 9000 Process

Managed the gamut of activities as Element Management System testing, Key Performance Indicators (KPIs) validation and performance of nodes, Installation/ Uninstallation of EMS, Integrating EMS client with server, and the Chassis, validating the various counters of the product, in EMS front end, along with alarms.

Led the development and validation of new wireless features to ensure appropriate certification coverage by the time the devices or software upgrade is ready for production.

Tracked and update tools/systems for test management, progress tracking, issues reporting and metrics development.

Organized and evaluated test platform performance and consistency studies.

Investigated and identified new ways to evolve test methodology with the intention to improve device certification accuracy, cost, effort and run times.

Seeked and implement efficiencies on test platforms and environments to improve simplicity of operation, automation and overnight production testing.

Configured 3G and 2G nodes with NMS,product related schemas, checking bulkstats parser and server, Archiving bulkstats files, adding IMG and integrating with 3Rd party NMS, Testing archived ASCII/XML files that were generated, testing the data in postgres database after installation.

Involved in the validation of bulkstats schemas for EMS (Element Management System) for various customers using UMTS/CDMA network elements, GCF,

IEEE, CTIA, ETSI, GSMA and PTCRB.

Tested EMS (NMS – Network management software and bulkstats files), SNMP traps and alarms and EMS (front end and backend) for Vodafone clients, AT & T clients across the globe.

Experienced on Microsoft Azure Cloud, Artificial Intelligence, Data Science and Machine Learning.

Distinction of having qualified as:

oInformation Security Management System – ISMS Implementer (82%).

oISMS Auditor (84%) for ISO 27001 standard.

oCertified Software Test Professional (CSTP Level 1 - Scored 95 %) from International Institution of Software Testing, USA.

Expertise in Unit testing of EMS, 4G and 5G – Voice over LTE, Attach, Detach, Activate, Deactivate and Call handovers, System and Longevity Testing of SGSN (Serving GPRS Support Node) product having GPRS, UMTS, FR and ATM, HLR and RNC.

TECHNICAL PURVIEW

Operating System: Linux and Solaris, HP-UX, Windows 10

Programming Languages: Python 3.7, Java 8 and JAVA Runtime Environment 1.8

Tools & Utilities: BREW Emulator, HP-OpenViewer (tested SNMP Alarms for Vodafone customers), Element Management System (EMS), Scalable Intensive Test tool (SITT), TestNG, Maven, Selenium, Wireshark, QCOM / Shannon / MTK tools

Database: Oracle 11G, Postgres, SQL Server and MySQL, Microsoft Azure, Cloud

Bug Tracking Tool: Bugzilla, JIRA, GNATS, CDETS (CISCO Internal Bug tracking tool)

EMPLOYMENT CHRONOLOGY

Jul’15 to Aug’17 associated with Wipro Technologies Pvt. Ltd, Bangalore as Assistant Manager – Mission Quality

Noteworthy Accomplishments

Complete ownership as Tribe Test Lead Consultant in ENM Project, Ericsson and been onsite to Ireland, UK, co-ordinating and managing team leads of the tribe across 3 locations Poland(Node Health Check feature), Ireland(Network Health Monitor NHM and Eniq Integration) and India.

Scrum Master role is accountable for removing impediments to the teams to achieve the sprint goals/deliverables.

Scrum Master ensures that Scrum process is used as intended and handled increased complexity and team of LTE.

Planned, organized and direct the design, implementation and management of a large scale enterprise mobile core

Hired, developed, and managed a team of engineers

Provided management reporting related to the support of Wireless Core

Review, analysed and recommend system features and solutions

Provided input to the budget planning and tracking for the Core Operations and Engineering Teams

Communicated to senior management on incident and problem management and project status

Participated in cross-functional projects as needed

Developed and implement initiatives and strategies for areas supported to ensure strategies, objectives, and initiatives are in line with the overall corporate initiatives, strategies, and goals

GAT reviews, Test plan reviews along with FSA analysis for Ericsson - ENM Project conducted.

Test Line Manager at Philips – TCoE(Testing Center of Excellence) - Team Alignment

oCommunication with DLMs and DMs,

oTeam Roles & Responsibilities,

oReview Resource to Win Dashboard,

oOpen resource requirements in escalation,

oTest Planning walkthrough,

oSupport in Test Strategy and Test assessment preparation, along with User Acceptance Testing(UAT).

oDashboard of Weekly status report, MBRM Reporting, Sprint level

oKPI dashboard

oAssess Training requirements of the team.

oCross utilization of Best practices, artefacts across TCoE,

oManaging 2nd level of Esclations,

oReviewing the Master Test Plan

Assistant SQA Manager – Trained in Lean and Six Sigma Green belt, in Wipro Mission Quality team and a Lean facilitator.

Mar’15 to Jul’15 associated with Future Focus Infotech Pvt. Ltd, Bangalore as Test Lead Consultant

Worked for Wipro client and trained on ENM project.

Jul’07 to Dec’14 associated with CISCO Systems, Bangalore as Senior Software Engineer

Noteworthy Accomplishments

Actively involved in system testing of SGSN product having different interfaces (GB, IU, GR, GN, GD, GF & GS) and GTP.

Pivotal in enabling Plain & Stress testing, redundancy testing and configuration management testing for multiple customers.

Involved in coming up of Test plans, Test strategies, and Testing checklist for several Products and experienced in testing EMS and bulkstats.

Led to tremendous improvement in technical quality of the project team by identifying areas of development as well as providing high quality service delivery.

Knowledge of TCP/IP routing, switching and analyzing log captures

Involved in Element Management System testing for almost 5+ years, Installation/ Uninstallation of EMS.

Integrated EMS client with server, and the chassis while validated the various counters, in EMS front end, along with alarms.

Conducted configuration of system related schemas, checked bulsktats parser and server, archived bulkstats files, added IMG & integrated with 3Rd party NMS.

Carried out testing & archived ASCII/XML files generated & data in postgres database and object oriented database after installation.

Worked with Element Management System (EMS) for Vodafone customers to deploy wireless core network. Involved in the preparation of test plan, test case document, test data and test exit report.

Major Projects Handled

Title: SGSN (Serving GPRS support node)

Role: Senior Engineer

Details: Handled for multiple clients (Vodafone, Airtel, MTS, Orange), in Alarms, GPRS, UMTS, Frame Relay and ATM. Evaluated functional requirements and prepare test cases for protocols and EDR purge functionality. Involved in the system testing of SGSN product having GPRS and UMTS end to end(E2E) call flows covering Attach/Detach, Activate/Deactivate, Intra RAU, Inter SGSN RAU, Intra SRNS, Inter SRNS, IRAT and SMS scenarios.

Sep’05 to Jun’07 with Torry Harris Business Solutions, Bangalore as Associate Software Test Engineer

Noteworthy Accomplishments

Involved in coming up of Test plans, Test strategies, and Testing checklist for Work Packages Project for Orange client, UK.

Led, guided & mentored the junior members campers conducted with the training for testing.

Prepared test plan, test case document, test data and test exit report.

Participated in System, PAT, regression, sanity and performance testing.

ACADEMIC CREDENTIALS

Masters in Software Engineering from Coimbatore Institute of Technology, Coimbatore with 77.78%

CERTIFICATIONS

Completed certification on:

oSoftware Test Professional-Level 1(Scored 95%) from International Institute of Software Testing, USA

oCertified Scrum Master from Wipro Technologies, Bangalore

oInformation System Management System – ISMS Implementer (82%)

oISMS Auditor (84%) for ISO 27001 standard

oFrench from Alliance Francaise, Bangalore

PERSONAL SNIPPETS

Date of Birth: 19/05/83

Nationality: Indian

Languages Known: Tamil, English & French

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