Jan 2025 – Dec 2025 · 11 mos

Apr 2022 – Jan 2025 · 2 yrs 9 mos

Sep 2020 – Apr 2022 · 1 yr 7 mos

Aug 2019 – Sep 2020 · 1 yr 1 mo · Bengaluru Area, India

Jun 2016 – Aug 2019 · 3 yrs 2 mos · India

• Level 3 support for end customer issues related to connectivity of instruments to the enterprise via our proprietary connectivity box.
• Level 1 & 2 support for instrument product development groups [R&D/Manufacturing] around education, setup and connectivity issue resolution (Turnaround time is 24-48 hours).
• Have closely worked with Development team and App team for implementation of Web application such as Apache on Amazon Web Service cloud.
• Creating Load Balancer and configuring Health check, Access logs & Targets.
• Creating NAT gateway and NAT instance server and attaching it to private subnet servers
• Responsible for performance testing on any new hardware that gets purchased for PROService use.
• Planned and conducted the Application Load/Performance testing using JMeter.
• Set up monitoring dashboards using Grafana, AWS Cloud watch and Prometheus.
• Package management, adding and updating packages and patches according to the requirements at most care by testing them on the preproduction environments by using yum and rpm.
• Deploy the WAR, JAR and EAR applications in Tomcat & JBoss Servers.
• Installation, maintenance and troubleshooting Linux related issues on cloud.
• System administration, maintenance and monitoring various day-to-day operations.
• User Administration: Creating, deleting, modifying, locking, unlocking and managing user accounts and groups.
• Performing POC’s for new implementations of new technologies.

Apr 2015 – Jun 2016 · 1 yr 2 mos · Bengaluru Area, India

• Install, configure and monitor 10000+ Linux servers for more than 150 customers in a large Datacenter environment.
• OS Installation and Maintenance in Linux boxes using HP ILO and Dell DRAC.
• Installation, maintenance and troubleshooting Linux related issues on cloud.
• Troubleshoot Linux deployment issues on cloud.
• System administration, maintenance and monitoring various day-to-day operations.
• User Administration: Creating, deleting, modifying, locking, unlocking and managing user accounts and groups.
• Package management, adding and updating packages and patches according to the requirements at most care by testing them on the preproduction environments by using yum and rpm.
• Configuration of RHN on Linux boxes.
• Monitoring the Servers health status and taking the necessary steps based on the problem type by filing a ticket and assigning it to the concerned team or the team person.
• Understanding, analysing the root cause of an alert and solving it.
• Handling the boot problem issues (kernel panic troubleshooting).
• Configuring disk and data management by using Logical Volume Manager, Resizing the volumes and increasing file system in LVM Environments.
• Case logging, finding RCA with supporting vendors and Coordinating/Tracing with them to resolve the issues in timeline.
• Experience on File system, Disk management and Monitoring System components such as CPU, Disk and Swap space and handle tickets escalated by the monitoring team.
• Restricted the users or domains to use particular service by implementing ACL.
• Manage the cron jobs and scheduled tasks like backup/restore.

Apr 2014 – Apr 2015 · 1 yr · Pune Area, India

• Monitoring and managing production CRON jobs on HP-UNIX servers and troubleshooting the issues in case of any Cron job failure. These jobs are responsible for generating and sending financial and banking client’s production/memo files.
• Responsible for doing performance check on servers by checking performance parameters such as file system utilization, CPU utilization, processes, data replication and disk utilization by taking remote console of the servers.
• Scheduling operational jobs on 24/7 basis using CRON jobs on UNIX servers.
• We use different data transfer tools such as FileZilla, WS FTP Pro, FTP client etc. In case of failures of any transfer we send those file/data manually over UNIX servers.
• Checking and ensuring the CRON (job scheduler) running on the servers. If failed the performing quick fix and escalating it to next level.
• Monitors, investigates and resolves system operation issues in accordance with standard procedures; documents & communicates resolution.
• Checking the Job Schedule as per Checklist (MS Access) with time stamps indicating an estimated time for various tasks and to track the actual time on CRON.
• To send production or memo file to the client manually over UNIX servers via FTP or SFTP whenever there is any schedules job fails.
• Opening & eventing the documenting associated tickets in to the incident management queue, to escalate to appropriate level of support.
• The role involves communication, both verbal as well as through email with Fiserv Inc. counterpart for incident/problem investigation.
• Working with onsite team for developing scripts to automate the task.

Aug 2011 – Apr 2014 · 2 yrs 8 mos · Banglore

• Providing level 1/2 support on various scheduling/job failures issues and to ensure the jobs runs successfully. In case of issues general fix procedures like debugging all production issues and escalating it to the next level. Scheduling of batch jobs using the AutoSys Job Information Language (JIL) through command-line interface.
• Responsibilities:
• Monitoring of Applications/Servers in UNIX & Windows environment, monitoring of logical logs, queues, disk space, memory, CPU, ping alerts and other alerts from monitoring tools.
• Scheduling of batch jobs using the AutoSys Job Information Language (JIL) through command-line interface.
• Reporting and working on Batch job failures or any other status using several unix Autosys command.
• Interacting with clients and performing the tasks on the Batch jobs like Force Start, On-ICE, Off-ICE, On-Hold, Off-Hold, Change Status like Kill, Terminate, Success etc
• We use windows 2003 server R2 as terminal server to login to different Autosys servers using putty.exe.
• Creating and changing of multiple Autosys Batch jobs using Unix VI editor.
• Testing the Batch jobs on the TEST server and deploying them in PRODUCTION server.
• Creating different types of command jobs like SHOUT jobs, REPORT jobs , MAINTANANCE, BOX TERMINATOR jobs and usage of global variable into scripts .
• Tracking of all tasks like addition/change/issue/temp through JRS ticket .

Aug 2011 – Apr 2014 · 2 yrs 8 mos · Banglore

• Remote monitoring centre
• Role: Infrastructure Engineer
• Tools: VCC, Navigator, SM7; Description: To monitor and validate the alerts from the servers which are remotely located which are reflected on the console.
• The true alerts are routed to the next level team and the tickets are created , false alerts are removed from the console. The validation process includes various steps.
• Responsibilities:
• Servers (Unix , DBA , Middleware , Windows , Storage) &
• Hardware event Monitoring
• Monitoring the servers of 6000+server of CCI client of plano region on the IBM VCC tool 24*7*365 days
• Analyze the system alerts (like ping broken ,CPU ,memory, and disk usage ) against predetermined thresholds
• Validating the alerts through tools such as Adms,CMDB,SKF ping ,Star portal etc.
• Create incident ticket on system incidents encountered for tracking and measurements purpose
• Problem determination and resolution or escalation to a higher level ,when documented or requested
• Opening & eventing the documenting associated tickets in to the incident management queue,to escalate to
• appropriate level of support
• Server maintenance
• The role involves communication, both verbal as well as through email with leaders across the Global service
• desk and Enterprise service management .
• For other incidents ,assign to appropriate resolver group as defined in work instructions
• Engage vendor(s) and provide correct incident /problem management (Error control process)information,
• device(s) , systems affected , and other relevant information
• Manage service center inbox and cases