3.5 Years of IT Experience
PIRAISUDAN RAJENDRAN
Chennai
Summary
- I have a total of 3.5 years of professional experience, Production Support in the IT industry. Within the IT sector, my focus has been on production support, specializing in Oracle 19C database management and Unix & Linux system administration.
- Working experience in ITIL process like incident management and problem management and change management.
- Experienced in writing SQL queries using Joins, Functions, Set operators, Sub queries. Hands on experience in Unix/Linux commands like find, sed, awk, grep, top, ps-ef, du,df ,ls-ltr cd, head, tail etc.
- Experience in handling L2 and L3 level of support, working in 24*7 rotational shift.
- Understanding and executing shell scripting for automation & shedule process using crontab
- Monitoring jobs using Autosys tool and scheduled jobs through crontab. Monitoring the alerts using ITRS-Geneos & Grafana tool in that we can get server issue alert and application issue alert. Understanding and executing Unix shell scripting.
- Log Analysis : Checking and analyzing logs in Kibana.Finding and analyzing XML and JSON logs to determine Root Cause Analysis (RCA) of issues.
- Used putty configuration tool to access Linux server database.
- RADAR API monitoring Tool : feature will display real-time statistics about each API's performance, such as Response time How long each API takes to respond. Error Rate: Any failed requests or HTTP error codes (such as 500 or 504 / 400 or 408) Errors.Throughput the number of successful API calls being processed over a specific period.
- Identifying the Problematic API You notice a significant spike in error rates for a particular API (an API call related to user authentication).
By drilling down further in RADAR, you can isolate the exact API endpoint that is causing issues.
RADAR can also provide detailed logs (like response payloads, headers, and status codes) for this API call, allowing you to pinpoint whether the problem is related to database queries, network issues, or an application bug.
Overview
4
4
Work History
Application Support Engineer
Creospan Private Limited
03.2024 - Current
Production Support Engineer
Omega Healthcare Management Services
06.2022 - 10.2023
Business Associate
Altruist Technologies Private Limited
07.2020 - 09.2020
L2 Support Officer
Karvy DigiKonnect Ltd
09.2019 - 06.2020
Education
Mechanical Engineering -
Mahalakshmi College of Engineering
Skills
- Unix/Linux
- SQL Oracle19 C
- Autosys
- Kibana Elastic
- SQL
- SQL Developer Tool
- Radar API Monitoring Tool
- Jenkins
- GitHub / GitLab
- AWS
- ITRS-Geneos Tool
- Grafana
- Red Hat Linux 89
- Windows OS
- MS Office 365
- Services Now
- Jira
- Splunk
- Putty & WinSCP
- Shell Scripting
- Docker
- Postman API
- ITIL Process
- CI/CD pipeline
Roles & Responisibilites
- Health check before business hours to handle errors and issues and to check the front end and back-end check. Handling L1 & L2 level of incident with 24/7 production support.
- Getting reports from upstream user and downstream users which are general report and audit reports and have to generate reports in the database. & Worked with incident tickets, request tickets and change tickets.
- Used service now incident tool to rising and closing the incident tickets and used Autosys tool for monitoring the job and taken resolution for failures and autosys tool to create, monitor, schedule the jobs and based on the requirements on-hold, once the jobs.
- Checking filed privileges using chmod in case of job failure. Monitoring the alerts using the ITRS Geneos tool and to prioritize alert mail for issue using ITRS Geneos tool and those alerts where set by system access management team.
- To connect to the different server using the putty configuration tool and it is used to access Linux in that we can checking log file understanding the error message.
- Working in P1, P2, P3, P4 tickets for P1 and P2 issues need to inform my TL, connect with incident manager for arrange a bridge call and we have to give workaround before impacting our business loss and find root cause analysis before closing the ticket for P3 and P4 will refer SOP Documents to resolve.
- • In Deployment Activity Need to Attend Cab Meeting and Will Give the UAT Sign-off and Will Put Job on-hold and Will Participate in Release Call and I Performed Change Requests on Weekends, in That I Coordinate With Admin Team and Disable the Alerting System of the Application Which We Configured in Autosys. Then I Will Change the Autosys Job Status Based on the Requirement. Once the Change Was Performed by Admin We Will Up the Application & We Will Enable the Alerting System of the Application Based on the Requirement
- Worked closely with developers for bug fixes, patches, and enhancements. Participate in code reviews and suggest improvements for production stability. Support deployments and verify application functionality post-deployment. Maintain comprehensive documentation for issue resolution, configurations, and processes.
- Updated runbook, operational manuals, and training materials for knowledge sharing.
- Acted as the point of escalation for critical incidents and system outages. Provide regular updates to stakeholders on incident status and resolution plans
- Proficient in using monitoring tools like Kibana, New Relic, and ITRS Geneos to ensure optimal system performance. Skilled in analyzing ECPD tickets, order flows, and resolving microservices errors. Extensive knowledge of ITIL processes including Incident, Problem, and
Change Management, coupled with proficiency in tools like ServiceNow, Jira, and Postman.Recognized for effective cross-functional collaboration in 24/7 environments to maintain system stability and minimize downtime. - Experience in performing changes, deployments and finding fixed solutions by RCA for both NON prod and PROD Environments. & Monitoring the batch jobs to sync up the data using control-M
- Troubleshoot the application and server space issues using ITSM tools to manage the ticket to solve and provide the RCA.
- Involved in production support for all ServiceNow related issues and responsible for day-to-day activity management with the platform.
Personal Information
Timeline
Application Support Engineer
Creospan Private Limited
03.2024 - Current
Production Support Engineer
Omega Healthcare Management Services
06.2022 - 10.2023
Business Associate
Altruist Technologies Private Limited
07.2020 - 09.2020
L2 Support Officer
Karvy DigiKonnect Ltd
09.2019 - 06.2020
Mechanical Engineering -
Mahalakshmi College of Engineering
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