Rameshkumar Rajan
System Administrator
North Usman Road,Chennai,Tamil Nadu
Summary
Driven Systems Administrator with 8 years of experience in software implementation and maintenance. Proven history of managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication and collaboration.
Overview
1
1
Certification
3
3
years of post-secondary education
8
8
years of professional experience
Work History
System Administrator
Computer Enterprise Inc
Chennai, Tamil Nadu
05.2016 - Current
- Installed, configured, tested and maintained operating systems, application software and system management tools.
- Worked closely with customers, internal staff and other stakeholders to determine planning, implementation and integration of system-oriented projects.
- Built and maintained network infrastructure consisting of Windows, Linux and virtual products.
- Wrote and maintained custom scripts to increase system efficiency and performance time.
- Participated in all phases of system development life cycle, from requirements analysis through system implementation.
- Defined enterprise processes and best practices and tailored enterprise processes for applications.
- Managed and monitored all installed systems for highest level of availability.
- Provided technical level support and troubleshooting to internal and external clients.
- Resolved vulnerabilities by making improvements to network security.
- Interacted directly with users to diagnose and correct major system issues and address concerns.
Linux and Datacentre Administrator
NVIDIA Graphics Private Ltd
Bangalore, Karnataka
11.2012 - 04.2016
- Provide OS level support like Installing/Upgrading and troubleshooting any OS related issues.
- Monitoring the LINUX/UNIX Compute nodes and miscellaneous servers using Nagios.
- Handling the UNIX on-call Support on holidays and weekly basis.
- Ensure to keep all the datacenter equipment (UNIX, Storage & Networking) UP with minimum downtime.
- Installing and configuring new hardware (HP, DELL & SUPERMICRO Etc.) and software's.
- Provide hardware level support by fixing issues with disks or motherboards or any other server parts.
- Engaging the vendors for any hardware issues related to datacenter equipment.
- Take care of all the RMAs keep the proper inventory for all the inward and outward goods.
- Regular log maintenance for identifying activities, tasks, alerts and problems in the data center.
- Provides all kinds of physical and basic OS level support during any planned and un-planned outages.
- Compile the information as requested by IT-team in a concise and organized format that is easy to understand.
Education
Master of Computer Application - Computer Application
Anna University
Chennai 06.2009 - 06.2012
Skills
Linux
AWS
Kubernetes
Jenkins
Git
Bash Scripting
Technical Support
Troubleshooting
Application Support
Accomplishments
Computer Enterprise Inc:
- Implemented the server consolidation on application stacks servers and archived 50% cost reduction in the number of servers and licenses.
- Award as the employee of month.
- Completed major go-live production issue in scheduled time.
- AWS cost optimization.
Nvidia Graphics Private Limited:
- Collaborated with team for server farm upgrade project [200 servers and added them into cluster].
- Award as the team player.
- Migrated the data center inventory from excel to OpenDCIM tool to concise format.
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Certification
Certified Kubernetes Administrator
Timeline
Certified Kubernetes Administrator
03-2021
System Administrator
Computer Enterprise Inc
05.2016 - Current
Linux and Datacentre Administrator
NVIDIA Graphics Private Ltd
11.2012 - 04.2016
Master of Computer Application - Computer Application
Anna University
06.2009 - 06.2012