chandramohan ramalingam

Formula one Data Analytics Platform

Client: Novartis Health Care

Role : DevOps Engineer

Project Abstract:

Novartis coming up with new innovative open, secure, multi-tenant and industry complaint Cloud based scalable Data management and Analytics Platform which helps for data driven decision-making for various research and development on health care. It is effective collabrative platfrom from their clients Accenture and AWS cloud .

Accomplishments:

Responsible for the migration of the Authenticate Groups for Roles and access to the newer system for certification enabling for auditing the groups

Created deployment pipelines with jenkins for data transformation from raw data to the structured data for processing.

Monitored the roles and controlling the access permissions in AWS cloud for all the development needs.

Acted as a scrum master on the development scrum meetings and facilitate the tasks of the DevOps sprint windows on the migration efforts for russian markets and european markets.

Deloitte Audit Cortex AI

Client : Deloitte
Role : Data Engineer

Project Abstract:
Deloitte’s Cortex is one stop solution to the Audit firms to help their clients in their business cost auditing and report generation tool. Focusing towards the Artificial Intelligence way of analyzing the audit process and the data collected for the Audit trials.
Integrating many data systems to give the best-in-class audit solutions for the clients with most data driven approaches for future prediction and trend analysis.

Accomplishments:
 Created AZURE DATABRICKS notebooks for the data transformation ushing the Scala scripts.
 Complete developments are built with Azure DevOps
 Finding the encoding of the file and transforming it into the needed cortex file system format of UTF-8
 Creating and Monitoring the SPARK JOBS running in the AZURE DATABRICKS CLUSTERS.
 Developed Scala codes for the data transformations using the IntelliJ IDE and build the code on the Azure DevOps Pipelines.
 Analyzing the defects on the data transformation and fixing the issues

Exam Processing Systems Migration

Client : Cambridge University
Role : Shell Scripts porting Engineer

Project Abstract:
Cambridge university is planning to migrate their old infrastructure of exam procession systems to the new infrastructure. Migration of the scripts from IBM Oracle platform to Oracle platform is the predominant request from the Cambridge team. Deployment issue fix support is also an added responsibility for our team.

Accomplishments:
 Among 3150 scripts, we filtered 1600 scripts are filtered for deployment.
 Porting the shell scripts from the IBM Oracle platform to Oracle platform and keep them ready for deployments at regular intervals.
 Created the Deployment scripts and helping the deployment team on their deployments.
 Suggested to run the daily jobs in a interval based batch jobs to eliminate the manual execution daily.
 Developed and executed multiple configuration setups scripts and fine tune their performance.
 Streamlined the older scripts which are outdated and reduced the time of deployment

Data Migration and Analytics: Database to AWS service to Snowflake

Client : IELTS
Role : Product Test Lead

Project Abstract:
IELTS is planning to build a robust data analytics platform to know better on the partners contribution, candidates exam score, their exam score history, trends observed on their exams with respect to the Test Centers and Exams conducted on the periodic intervals. The request to build the system which analyses the data of and to produce a report to the client to consider for the focus on the improvement areas.

Accomplishments:
 Provided inputs and guidance on setting up the Prototype model with data filtering, Data Modelling, Data flow from DBs to AWS Services to Snowflake (data analytics tool) to Report Generating Tool
 Build a test strategy for the data involved in this whole data flow and analysis.
 Created Test scenarios, Test cases for the E2E system.
 Leaded the teams of the Test team to create a plan of high priority test suites for the quick deployments request on the high demanding.
 Trained on the scripts and data creation on the Snowflake Platform.
 Tested the reports generated and fine tune the data for the better inference by the final decision-making client teams.


4. Servers/Systems Migration

Client : US BANK
Role : DevOps Engineer

Project Abstract:

Accomplishments:
➢ Planned and Executed DevOps Pipleline for CI/CD activities in the engineering and the Production environment using Jenkins framework.
➢ Guided the SQL team to develop the scripts on the migration tasks from one Database to another Database.
➢ Trained, created and executed the scripts developed using SPARK/SCALA for the migration efforts.
➢ Created the test strategy for applications for their best contribution and data validations.

5. DevOps - Software Deployment and Integration

Client : Charter
Role : Deployment Engineer.

Project Abstract:
Charter’s Cloud TV platform comprises of the delivering the video channels.VOD and the EPG on the cloud environment achieved by Active Video Networks and Zodiac Advanced Messaging System and their respective client codes for ARRIS, CISCO, PACE , HUMAX legacy and world boxes.

Accomplishments:
➢ Involved in the Continuous Deployments of Java Applications Software on Servers running Apache Tomcat Web server.
➢ Worked on AWS environment – EC2.
➢ Integrated the Robot Framework with Python for the Tool Developed a Python tool to monitor the health check of the servers.
➢ JIRA tickets on Deployments and Issues are solved in short time and make the environments back on the operations mode.
➢ Handled Confluence Devops Repository server for collaborative working efforts on Method of Procedure Document creation and Environment setup details.
➢ Supporting the Production Team during the deployments on the Production sites.



6. Verizon 1.99

Client : Technicolor
Role : Test Lead

Project Abstract:
Verizon delivers the features bundled along with the Channel, VOD and EPG. The main focus for this project to deliver the features such as randomization of cable card upgrade, Secondary Audio program and VOD quality monitoring.

Accomplishments:
➢ Responsible for Offshore On-site Test Resource Handling and Project Management.
➢ Played SCRUM Master Responsibilities on all the Status call with onsite and offshore teams.
➢ Developed Python TADx test tool to automate the functional testing of the STBs.
➢ Tested the Tool with Selenium Tool.
➢ Developed and Tested the Features added newly on the Features bundle.


7. Active Video Networks Client Layer Porting and Implementation

Client : Active Video Networks
Role : Test Lead

Project Abstract:
Active Video Network’s CloudTV H5 is a complete system that integrates with broadcast infrastructure and the Internet to provide interactive television services. CloudTV streams television and web content to any TV, set-top box (STB) or broadband-connected device.

Accomplishments:
➢ Individual contributor on Test Planning, Test Lab Infrastructure building and Test executions.
➢ Configured Active Video’s H5 server on various locations to make all the testing labs to run the server for Dev and Integration teams.
➢ Developed the UNIX script tool to process the errors info from the Set Top Boxes log.


8. Comcast G6 Calibur

Client : Comcast
Team Size : 17
Role : Team Lead

Project Abstract:

Comcast’s XCAL (Excalibur) program from Comcast is the successor to the Barcelona program. The program features IP video, a cloud based guide and the ability to provide home networking to managed and unmanaged devices.

Accomplishments:
➢ Involved in the Functional testing of the STB.
➢ Tested Xcalibur product of Comcast from the design phase to the customer delivery phase.
➢ Deployed and Tested the JAVA Firmware on the Server and broadcast to the Set Top Boxes
➢ Developed the simple Shell script tool to all the Clients info into the server DB

9. Connected Home Solutions

Project Abstract:

The Digital Cable Network system has been designed with the following features: APTIV (DVR) & TVG.(EPG). System Integration Team is involved with E2E testing of various features like EPG(TV Guide), VOD, EAS/SCTE-18, ROLL UP/BACK, MRDVR, STDC, Macrovision, VRN,etc.,

Accomplishments:
➢ Tested the Channel validation, Authentication, Authorization and Return Path data transfer from Set Top Box to the Head End.
➢ Created a Support tool to delete the STB purchases from PPV Server.
➢ Represented the QA team for all the client meetings during the Product testing Kick-off meetings, time of delivery and installation.


10. IPTV Solutions

Project Abstract:

The developed system is a comprehensive, end-to-end content and subscriber management platform that pulls together into one easily installed and managed system all the software and hardware necessary to deliver video and data services over DSL.

Accomplishments:
➢ Created and executed the of System and regression test scripts.
➢ Created an automation tool to add the STB data to the Tv+ server.
➢ Channel validation testing of IGMP Address and Tested MPEG4 video content with the STB