John Jayakumar
Pollachi,Tamil Nadu
Summary
Proactive DBA & DevOps Engineer highly skilled in designing and implementing cloud infrastructure solutions as well as maintaining the applications. Proficient in automating workflows, optimizing system performance, and ensuring scalability and security. Adept in managing and troubleshooting complex architectures while collaborating with cross-functional teams to drive continuous improvement. Committed to delivering high-quality and efficient solutions that meet business objectives.
Overview
7
7
years of professional experience
Work History
Senior Software Engineer
Oracle India Private Limited
08.2023 - Current
- Worked as Oracle support engineer for oracle application and database
- Worked on oracle OAM & OID SSO integration implementation and support
- Also worked on skillset of TLS enablement with third party certificates
- Strong understanding of oracle database and applications
- Hands-on Experience on OCI Internal Labs which includes most of the OCI Services
- Also working on automating customer updates which is relevant to DB Error Codes
- Currently trying to implement automations in our internal environments using Devops principles.
- Coordinated with other engineers to evaluate and improve software and hardware interfaces.
Senior Software Engineer
Jade Global Software Private Limited
03.2023 - 08.2023
- Worked as a development and support engineer most of the oracle products
- Maintaining and Administering the environment in adherence to SOX Audit
- Followed Migration Process through team track software
- Applied patches on Database instances Quarterly
- Monitored all environments through OEM.
DBA & Devops Engineer
Logitech
07.2020 - 03.2023
- Worked as DBA & Devops Engineer for maintaining Oracle Applications and databases
- Worked extensively on automating the code migration from Dev to Prod using Git, Ansible and Jenkins
- Also Worked on automating the all instance maintenance using jenkins and ansible
- Worked with UIPATH RPA for maintenance Validations
- Also worked with wide variety of database such as MySQL, MSSQL.
- Also worked on automating the Monitoring process of instance availability through selenium, jenkins and grafana
- Also worked on other products like Tableau, HVR, Denodo, APEX and OBIEE
- Worked on creating shell and python scripts for migration process.
Software Engineer
Bahwan Cybertek Private Limited
11.2017 - 07.2020
- Worked as development and support engineer for oracle applications and databases
- Provided 24/5 support and on-call based support on weekend
- Automated health check scripts of instances and databases using shell scripts and Scheduling the cron jobs in linux environment
- Most of the DBA monitoring tasks are automated through shell scripting
- Worked on SSO implementation for Oracle Application with Oracle Identity Cloud services & Azure Active Directory
- Migrated data's on DB2 database to Oracle database
- Automated Cloning of Oracle database and Application using Shell scripts.
Education
Bachelor of Engineering - Computer Science Engineering
Sri Eshwar College of Engineering
Coimbatore04.2017
Skills
- Server administration, troubleshooting on Linux/Unix based systems
- Worked on Databases like oracle, MySQL, MSSQL
- Automation of continuous integration, delivery, and deployment - Jenkins, Ansible, Bash, Git
- Working knowledge of AWS and OCI
- Working knowledge of RPA automations using UIPATH
- Having an exposure towards ITIL process and familiar about handling of Incident management process ( Jira, ServiceNow )
- SQL, Shell and Python Scripting
- Worked on RHEL, CentOS, Solaris and Windows Server
Languages
English
Bilingual or Proficient (C2)
Tamil
Bilingual or Proficient (C2)
Skillset
- Linux system administration - RHEL, CentOS , Solaris
- Oracle, Mysql, MSSQL, RDS
- AWS
- Jenkins
- Ansible
- Docker
- Kubernetes
- Github
- Snowflake
- OBIEE, Tableau, OAS
- Selenium
- Shell, Python & Poweshell scripting
- ServiceNow, Team Track, Jira
- Grafana, Prometheus
Timeline
Senior Software Engineer
Oracle India Private Limited
08.2023 - Current
Senior Software Engineer
Jade Global Software Private Limited
03.2023 - 08.2023
DBA & Devops Engineer
Logitech
07.2020 - 03.2023
Software Engineer
Bahwan Cybertek Private Limited
11.2017 - 07.2020
Bachelor of Engineering - Computer Science Engineering
Sri Eshwar College of Engineering
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