Mar 2021 – Jun 2021 · 3 mos · India

• Day to day management of Linux servers, including support and server hardening as per the guidelines
• Perform system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
• Working on configuring Web Phone and Transit Gateways
• Worked on Zabbix Configuration and Template updates
• Worked on ESXI upgrade

Dec 2019 – Mar 2021 · 1 yr 3 mos · Noida, Uttar Pradesh, India

• Migrating from On-Premise Infrastructure to AWS Cloud
• Patching RHEL servers using Redhat Satellite
• Designed, deployed, managed and operating scalable, highly available, and fault tolerance system on AWS
• Configured and managed various AWS Services including EC2, RDS, VPC, S3, Glacier, Cloud Watch, Cloud Front, and Route 53
• Configured various performance metrics using AWS Cloud watch & Cloud Trial
• Create AMIs for mission critical production servers for backup
• Handling Capacity management issues of LVM.
• Managing the Hard disk, storage, Memory and CPU through VMware VWebClient and VMware VClient.
• Post provisioning tasks like Domain Joining,Creation of LVM, User and Group Management, Server Hardening, etc.
• Worked on solving all vulnerabilities (High/Medium/Low) on all Linux server
• Preformed security patching on Linux servers to fix the vulnerabilities

Oct 2017 – Jul 2019 · 1 yr 9 mos

• Worked as shift lead, I was responsible for managing approx. 10000+ Linux
• We were maintaining Machines of Johnson & Johnson's IT Infrastructure daily operations including Incident Management, Change Management and New projects work.
• User and Group Management on Linux hosts (Red hat and Suse)
• Completed post activities like domain joining through yast,installation of packages, Kernel configurations,configuring Ad, users and groups on domain level on the newly build server for the SAP Migrations
• Handling Capacity management issues of LVM.
• Configured client to the own customized SUMA Manager
• Upgraded approx 200+ servers from SUSE 12 SP4 to SP5
• Patching RHEL servers using Red hat Satellite
• Managing users, roles and services and assigning policies with IAM.
• Ensure backup (AMI/Snapshot) of all EC2& EBS in preparation for quick recovery of instances.
• Deploy and configure EC2 instances.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.

Feb 2016 – Oct 2017 · 1 yr 8 mos

• Servers including physical and virtual (VMware) servers build on RHEL & SuSe operating system
• Managing the Hard disk, storage, Memory and CPU through VMware VWebClient and VMware VClient.
• Handling Capacity management issues of LVM.
• User and Group Management with advance permission like, ACL, SUID, SGID, Sticky Bit.
• Provisioning of the virtual servers through VRA as per requirement.
• Installing(Patching), configuring and maintaining OS, Application Software.
• Follow the SLA of HCL with J&J while managing the incident
• Any Server related work which requires changes on configuration files we use J&J change process
• VMware server movement from one cluster to another within the same ESX and configuring its network(Vmotion).
• Resolving user related queries and managing local users, groups and accounts
• Coordination with vendor (HP/RedHat) for any hardware related issue on servers.

Dec 2011 – Jan 2016 · 4 yrs 1 mo · Gurgaon, India

• Worked on Windows Server 2008 for managing Administrative task and managing access related task for users across the globe.
• Ensured minimal downtime and service interruption by restoring servers.
• Preparing and developing various reports related to the process sharing the same to the team and management.
• Handling all the updates and sharing them with the team.
• Assigning the tickets and handling the group mailbox.
• Make sure that Emergency requests are handled first and all requests should complete well within their Service Levels (SLs).
• Co-ordinate with various teams as well as the Service Delivery Manager (SDM) for understanding the various topics and achieve Client Satisfaction.
• Participated in all High/Critical priority calls to provide updates upon the ongoing preventive actions and maintain the AIR for problem investigations.
• Based on ITIL best practices, provide thoughtful strategy for process improvement.