PROFILE:

• Results - driven, customer focused IT professional with progressive experience as a Cloud/Linux System Administrator supporting the implementation, analysis, optimization, troubleshooting, and documentation on RHEL 5,6, &7, Ubuntu, Cent OS, and Windows environments
• Experience in the installation, configuration, administration and maintenance of Linux/Unix servers in an enterprise environment
• Experience in various UNIX/Linux Open Source Software Support (Apache, SAMBA, Tomcat, Jenkins)
• Experience in administering VMware Infrastructure & vSphere client 3.x, 4.x, 5.x & 6.x
• Experience in configuration of NFS, DNS, FTP, HTTP, remote access management and security troubleshooting.
• Experience in configuration management tools such as Chef and Ansible
• Experience in Shell Scripting (Bash, Python and Perl)
• Knowledge of advanced firewall configurations, diagnosing complex network problems and the delivery of effective solutions.
• Experience in Cloud Migration (AWS, Azure, Oracle)
• Experience in operations and maintenance support for AWS cloud resources which includes launching, maintaining and troubleshooting EC2 instances, S3 buckets, Virtual Private Clouds, Elastic Load Balancers (ELB) focusing on high-availability, fault tolerance, and auto-scaling.
• Experience in deploying compute and storage in Azure cloud, Creating and Managing Virtual Machines, and setting up communication Network Security Groups.
• Experience using terraform and ansible to deploy to AWS, Azure, and Oracle Cloud
• Experience in installation, upgrading and administration of EntireX application by SoftwareAG
• Experience in installation, upgrading and administration of Dynatrace Monitoring tool
• Knowledge in set up, configuration and management of LibreNMS and Appinternal monitoring tools
• Experience in F5 Load Balancers
• Experience setting up and maintaining Disaster Recovery (DR)
• Experience in analyzing vulnerability scan report and implementing the fixes to mitigate server security flaws
• Experience installing, configuring, and maintaining services such as Apache, MySQL, nginx, Weblogic, ESB SOA, HP Exstream, Informatica, Splunk, Jenkins, SVN, and Vormetric.
• Experience with User Management using LDAP and Active Directory.
• Experience in configuring RAC Databases to include planning, designing, developing, deploying, maintenance and supporting RAC on RHEL and Oracle Linux
• Experience in Automatic Storage Management (ASM) to include creating ASM disk groups from SAN disks, adding/removing ASM disks to existing ASM disk group, dropping disk group.

PROFESSIONAL EXPERIENCE:

Confidential, Washington, DC

Linux System Administrator (SME)

Responsibilities:

• Support in the administration and maintenance of AWS, Azure, and Oracle Cloud POC environments
• Leverage Terraform for building, changing, and versioning infrastructure safely and efficiently in AWS, Azure, and Oracle cloud
• Develop and maintain configuration management solutions (Chef, Ansible)
• User Management using LDAP
• Installing/upgrading and maintaining EntireX application version 9 & 10 by SoftwareAG
• Responsible for the installation, upgrading and administration of Dynatrace appmon and Oneagent for application and infrastructure monitoring
• Responsible for troubleshooting OS, hardware, and network related issues
• Responsible for firmware and software upgrades
• Implementation/troubleshooting of F5 Load Balancers
• Develop security baseline configurations for RHEL6/7 operating system platforms and scan for compliance/vulnerabilities
• Responsible for patch management and remediating all vulnerabilities identified
• Implement remediation steps using configuration management tools such as ansible

Confidential, Washington, DC

Linux System Administrator (SME)

Responsibilities:

• Help tune performance and ensure high availability of infrastructure
• Responsible for designing, implementing, and monitoring the system infrastructure installing/upgrading and maintaining EntireX application version 9 & 10 by SoftwareAG
• User Management using LDAP
• Responsible for the installation, upgrading and administration of Dynatrace appmon and Oneagent for application and infrastructure monitoring
• Collaborate with other team members to develop automation strategies and deployment processes
• Design and develop infrastructure monitoring and reporting tools
• Develop and maintain configuration management solutions (Chef, Ansible)
• Implementation/troubleshooting of F5 Load Balancers
• Develop test automation frameworks in collaboration with rest of the team
• Create tools to help teams make the most out of the available infrastructure
• Build and monitor services on production servers
• Analyzes information and statistical data to prepare reports and studies for use by management
• Successfully migrated Development environment to AWS, Azure, and Oracle cloud
• Leverage Terraform for building, changing, and versioning infrastructure safely and efficiently in AWS, Azure, and Oracle cloud

Confidential, Rockville, MD

Linux System Administrator

Responsibilities:

• General Linux system administration such as: security patching, OS upgrades, troubleshooting problems, and system monitoring.
• Monitor and recommend performance improvements to ensure high availability of infrastructure.
• Work with other admins to configure and troubleshoot application servers and the software running on them.
• Configuration and user management using Chef and Ansible
• Participate in the deployment, maintenance, and upgrade process of Applications developed by different development groups and teams.
• Handle ongoing maintenance e.g., service pack installations, hot fixes, software upgrades, etc.
• User Management using LDAP
• Installing/upgrading and maintaining EntireX application version 9 & 10 by SoftwareAG
• Implementation/troubleshooting of F5 Load Balancers
• Participate in testing and evaluation of new technologies to ensure compatibility and functionality.
• Installation and configuration of SSH software to provide secure logins for clients involved in shell and data transfer Installation, Installed FTP on servers for secure file transferring.
• Responsible for hardening of production servers to prevents hacking and attacks
• Installs, upgrades and manages packages via RPM and YUM package management
• Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Establish system plans for new applications and/or business need
• Successfully migrated Development environment to AWS, Azure, and Oracle cloud
• Leverage Terraform for building, changing, and versioning infrastructure safely and efficiently in AWS, Azure, and Oracle cloud

Confidential, Stafford, VA

Linux System Administrator

Responsibilities:

• Install new/rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements
• Installing, upgrading and configuring RedHat Linux 4.x, 5.x, 6.x using Kickstart Servers and Interactive Installation.
• Responsible for Creating and Managing User accounts, security, rights, disk space and process monitoring in CentOS and RedHat Linux.
• Migration to Cloud technologies AWS/Azure/Oracle
• User management using LDAP
• Installation and partitioning of disk drives; creating, mounting and maintaining file systems to ensure access to system application and user data.
• Disk management on Red Hat Servers using LVM, creating volumes, file system and resizing volume
• Configures DNS, NFS, FTP, remote access, and security management.
• Troubleshooting network issues and resolutions of DNS issues
• Installs, configures and supports Apache on Linux production servers.