PushpaRaja

Experience on Linux Administration with 7 years of experience in the IT industry. Managing and maintaining Linux Servers by follow on ITIL Framework. Proficient in BAU activities, troubleshooting, implementing security measures, optimizing system performance and analysing, designing and implementing technical solutions.

Skilled in gathering and analysing user requirements, collaborating with cross-functional teams, and providing technical solutions. Hands on Experience in cloud technologies and possessing extensive knowledge. Expertise in working with Ticketing tool for implementing, managing, and maintaining IT service management processes.

Proficient in analysing and resolving complex technical issues related to hardware, software, and network systems. Proven ability to communicate technical information effectively with clients, stakeholders, and team members. Available to start immediately

Linux System Administrator L2 at Teamware Solutions Quantum Leap (2024-11 – 2025-12)

• Experience with Red Hat Satellite Server for Linux server automation, patch management, provisioning, and lifecycle management.
• Performed troubleshooting of failed automation jobs, patch deployment issues, and update-related incidents in Red Hat Satellite environments.
• Verified server logs, job execution reports, and compliance status through Red Hat Satellite dashboards and monitoring tools.
• Experience in Ansible Playbooks to automate patching, software deployment, configuration management, and update activities through Red Hat Satellite.
• Developed and implemented Amazon Web Services EC2 infrastructure based on business and application requirements.
• Designed and optimized EC2 instance configurations, networking, storage, and compute resources to improve performance and availability.
• Provisioned and managed EC2 instances using AWS Management Console and cloud administration best practices.
• Performed EC2 administration tasks including instance deployment, reboot, restart, stop/start operations, backup validation, and termination activities.
• Monitored EC2 instance performance, utilization, system health, and availability to ensure stable infrastructure operations.
• Troubleshot and resolved AWS EC2-related issues including connectivity, storage, performance, and instance-level problems.
• Monitored Linux server resources such as CPU, Memory, Disk Utilization, I/O, and Swap usage to prevent performance bottlenecks and outages.
• Coordinated with technical engineering teams for break-fix activities, incident resolution, and infrastructure support.
• Used Splunk for log monitoring, system analysis, troubleshooting, and operational reporting.
• Performed proactive server maintenance including hardware health checks, firmware upgrades, and infrastructure planning activities.
• Managed Linux server patching, security updates, and vulnerability remediation activities as per organizational standards.
• Built and deployed Linux virtual machines on VMware vCenter based on project and business requirements.
• Installed and configured Red Hat Enterprise Linux 7 and 8 using Kickstart automation.
• Applied Linux security hardening policies and baseline configurations based on company security standards.
• Deployed appliance servers using customized ISO and OVA images provided by application vendors.
• Performed virtual machine administration activities including adding CPU, Memory, and Storage resources through VMware vCenter.
• Troubleshot Linux/Unix login issues, authentication failures, permission issues, and server access-related incidents.
• Installed, configured, and validated software packages and third-party applications on Linux servers based on service requests.
• Worked on Incident, Service Request, and Change Management tickets using ServiceNow (SNOW) ticketing tool.
• Supported production Linux environments with focus on system availability, performance, patch compliance, and operational stability.

Linux System Administrator at HCL Technologies (2020-01 – 2024-08)

Technology - Red Hat Enterprise (RHEL), VMware, Public Cloud (AWS), Ansible, Red Hat Satellite.

• Experience in Red Hat Satellite Tool For Server Automation Update.
• Troubleshoot The Automation Updated Server on Red Hat Satellite Tool
• Verify Server Log and Report on Red hat Satellite Dashboard
• Experience In Ansible Playbook To Push the Update Through Red Hat Satellite Tool
• Develop and Implement AWS EC2 Based on Business Requirement
• Design and Optimize EC2 Instance Types, Configuration, Networking to Meet Business Requirement
• Create and Manage EC2 Security Groups and Network ACL to Protect Resources from Unauthorized Access
• Provision and Manage EC2 Instance Using AWS Management Console and CLI
• Perform Task Such Deploy, Stop, Restart, Terminate Instance
• Monitor Performance and Utilization, Health of EC2 Instance
• Troubleshoot and Resolve EC2 Related Issues.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues. Working with Technical engineer for break fix activities
• Check and analyse servers using Splunk Tool
• Proactive planning and managing server hardware, hardware firmware upgrade
• Patching and update The Unix/Linux Server As per Request
• Build The Linux Server On Vcenter as per Request
• Installed Red Hat Enterprise Linux 7 & 8 using Kickstart and applying security policies for hardening the server based on the company policies. Appliance servers using customized ISO/OVA images provided by application vendor.
• Adding CPU, Memory and Disks to VM From Vcenter as per requirement
• Performing Vmotion and migration of VM Between Host as per Requirement
• Troubleshooting Login issues On Unix/Linux servers.
• Installing software as per Requests on Unix/Linux servers
• Working with Incident Tickets on Snow Ticketing Tool

Technical Support Engineer at MICROTECH INFOSERVE PRIVATE LIMITED (2018-09 – 2020-01)

Technology - Red Hat Enterprise (RHEL)/CENT OS, VMware

• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues. Working with Technical engineer for break fix activities
• Proactive planning and managing server hardware, hardware firmware upgrade
• Patching and update The Unix/Linux Server As per Request
• Build The Linux Server On Vcenter as per Request
• Installed Red Hat Enterprise Linux 7 & 8 using Kickstart and applying security policies for hardening the server based on the company policies. Appliance servers (CENTOS) using customized ISO/OVA images provided by application vendor.
• Adding CPU, Memory and Disks to VM From Vcenter as per requirement
• Performing Vmotion and migration of VM Between Host as per Requirement
• Troubleshooting Login issues On Unix/Linux servers.
• Installing software as per Requests on Unix/Linux servers

B.Sc in Computer Science – Madurai Kamaraj University (2013-06)