SUMMARY:

• I have been working in IT industries from last 6 years having experience as a Linux Systems Administrator & Engineer on RHEL Distribution.
• I have worked with well - known organizations for the last two roles.
• My extensive knowledge and experience with Operating Systems Installation, packages and Patches, automation, maintaining user accounts, System Security maintenance, backup/recovery, performance tuning, troubleshooting at various levels etc.
• I have excellent analytical and problem-solving skills, ability to communicate at different levels based on the knowledge of the end user.
• I have ability to manage and maintain a fluid environment. If I get opportunity, I can provide support and be valuable asset of organization using my experience and skills.
• Delivery ownership and presentation skills.
• Ability to work in a team environment with no supervision
• Analytical and Communication, Planning and Co-ordination skills
• Experience with project management

TECHNICAL SKILLS:

Operating systems: RHEL 5, RHEL 6, RHEL 7 and AMIs in AWS

Clouds: AWS-Amazon Web Services (IAM, EC2, S3, EBS and other services) & Virtualization of environment (VMware, ESXI hosts, V-centers and datastores)

Deployment and provisioning: Servers, virtual machines, with Linux.

Virtual Machine management: Break/Fix, Provisioning & Decommission, Patching, Migrations

User management: Adding, modifying or deleting users and groups account on local systems using tools and manual procedures

Installation and Configuration: Apache Web server, PXE- servers, Yum repository, NIS, NFS, DNS servers and GITHUB.

Automation: Red hat Satellite, Ansible, BladeLogic

Scripting: Playbooks in ansible, Shell scripts using Bash.

Installation of OS: Templates, Kick-Start servers

Monitoring and Analysis Tools: Nagios and CloudWatch.

Protocols: TCP and UDP (HTTP, DHCP, FTP, SSH, etc.)

Troubleshooting and performance Management of server tools: as top, free, vmstat, iostat, traceroute, etc.

Incident Management tools: BMC remedy, Service now

PROFESSIONAL EXPERIENCE:

LINUX SYSTEM ADMINISTRATOR AND ENGINEER

Confidential, BENTONVILLE, AR

Responsibilities:

• Perform daily administration activities on Linux servers, form adding space, ticket requests from the clients.
• User management, configuring new and old accounts.
• Administration of VMware, vSphere, vCenter (versions 6.0 & 6.5)
• Deploying new VM machines using templates & PXE
• Maintain the health of VM machines using Nagios
• Migration of VM Machines (Hot and Cold Migration)
• Worked on Monitor patch releases and develop patch installation strategies.
• Administration of local and remote servers using the SSH utility
• Configuring and managing AWS infrastructures
• Deploying EC2 instance as per requirement
• Responsible for managing IAM, S3 and EBS services.
• Monitoring and maintaining the health of EC2 instances with CloudWatch service in AWS environment.
• Building new servers, configuration, mostly on RHEL 6 as per client request.
• Installation, configuration and maintenance of PXE, NIS, NFS, DNS servers.
• Involved in writing various custom Ansible playbooks for deployment orchestration and developed Ansible Playbooks to simplify and automate day-to-day server administration tasks.
• Install, configure, maintain, and troubleshoot enterprise-wide Apache web servers in a large Red Hat Linux/CentOS environment
• Participate in application coordination launching process
• Worked on deployment, support, and diagnose real issues for a production environment
• Monitoring via Nagios to ensure consistently aware of application, infrastructure, and network health status
• Manage and Adjust disk space on various Linux Red Hat servers utilizing Logical Volume Manager (LVM)
• Creating repositories, branches, pushing, pulling code on GITHUB
• Worked on Symantec net backup on operations such as monitoring for failed backup jobs, resolving backup issues based on status codes.
• Reviewing system and application logs for troubleshooting.
• Perform daily system monitoring.
• Design and document processes and procedures to automate common tasks.

LINUX ADMIN / APPLICATION SUPPORT

Confidential, DE

Responsibilities:

• Installed, Administered and Configured Red Hat Linux 6.x
• Responsible for application maintenance and uptime based on Java
• Performed System Analysis, logs file reviews, and resolves software issues related to networking connectivity, servers, and applications to meet business needs
• Creating and managing of user accounts, entitlements and process monitoring in Red Hat Linux
• Configuration of LVM (Logical Volume Manager) to manage volume group, logical and physical partitions
• Install, configure, maintain and support Apache Web Server.
• Experience supporting VMware infrastructure in a mid-level enterprise environment
• Setup ansible client/node and ensure that ansible clients could communicate with Ansible control node
• Experience and knowledge of ansible architecture and implementation
• Monitoring resource utilization, including CPU, memory, and disk utilization
• Monitoring and reporting operating efficiency, performance, and reliability of applications
• Troubleshoot application reliability and performance issues
• Troubleshooting remote server issues in time critical environment
• Red Hat Package Management (RPM) and YUM package installation and maintenance
• Participated in OS (Linux/Unix) patching
• Develops technical mastery over applications, architecture and provides leadership in troubleshooting issues
• Escalation to senior management, including testing summaries, business impact, and estimation of time to resolve the issues