Radhakrishnan Ramanujam

SITE RELIABILITY ENGINER 01/27/2017 - CURRENT

LUMEN - Operations Support System

Skills: Unix script, Python, Java script, Oracle SQL queries

The objective of this project is to maintain various applications in telecom industry IT system. It involves management of the Operations Support System (OSS) that handle provisioning, service delivery, service assurance, service quality, network monitoring, and network repair and maintenance.

Responsibilities:

• Initiating application troubleshooting bridge with development and Unix team for high priority application outage issues.
• Collaborating with software engineers and Client SME to design and implement deployment approaches using automated continuous integration.
• Collaborating with development team, key stakeholders, and team members to resolve complex problems.
• Setting up application monitoring, optimization, managing system performance and resources on the automated monitoring tool.
• Troubleshooting if there are application slowness issues, business as is workflow issues for the Lumen applications.
• Resolving application user created service-now tickets for any functionality errors, application access issues, customer cable line record update etc.
• Working with operating system team to clear cache and bounce applications during OS patch upgrade on the production servers.
• Writing shell or Python script that monitor file system usage, monitoring applications health and JVM Heap utilization etc.
• Performing application bounce and clear cache when the users report application slowness. Investigating scheduled Cron jobs failures on the Linux server logs and application logs.
• Analyzing application logs for a user reported technical errors and suggest to development team to fix the code issues.
• Half-yearly application fail-over from primary server to secondary server.

During this period worked in various roles at IBM such as Application Programmer, Team Leader, and Onshore Coordinator for the clients Bank Of America, Honda Europe, FIAT AUTO, AT&T, ABN AMRO, PMI.

Skills: C#, ASP.NET, Python, Perl, Visual Basic, Oracle SQL query, Java

script.

Responsibilities:

• Analyze the functional specifications and create technical specification for new enhancements. Implement new business requirement within the timeline.
• Responsible for coding and unit testing of complex modules and responsible for resolving users facing application functional issues or errors.
• Functionality error tickets - analyze, debug the source code, and fix the logical errors.
• Coordinate with development team and testing team to deploy scheduled code changes in production environment.
• Troubleshoot application outage issues with business users, dependent application representative and analyze logs.
• Resolve application login issue and application & Database connectivity issues, password expired issue.
• Engage in functional unit test to provide error free code.
• Performance Analysis and Query Optimization: Analyze application performance issue, identifying the SQL statements causing slowness in the database and optimize the queries.
• Coordinate with infrastructure support teams during staging and production deployment of software.
• Created a tool using Perl script to create Database scripts which helps to improve DBA productivity.
• Provide training and support to team members in understanding the critical business processes.
• Conduct team meeting and review team deliverables with the project requirements.
• Conduct stand-up meeting for daily work items.
• JIRA tool test defects assign to team member to resolve the defects while testing is being done.
• Developed modules using .NET framework 2013, Web Services and Windows Communication Foundation in Microsoft visual Studio 2013.
• Get the onshore application knowledge transfer from a vendor and work with them hands-on new assignment and train offshore team.
• Update client development tracker and deliver the objects as per the timelines defined in the tracker tool.
• Interact with Business team for the business requirements and clarification.
• Engage Specialized Work Activity Team (SWAT) to facilitate the resolution of an outage or critical issue with the support of a SWAT leader using a centralized conference number managed by the IT Bridge.