TECHNICAL SKILLS

• RedHat 6
• 7 and other legacy RHEL OS
• CentOS
• Slackware
• Basic Windows
• AWS
• Logical Volume Manager
• Apache
• SSL/TLS
• Mysql
• Tomcat
• NetBackup
• SSH
• Nagios
• MS Access
• VMware
• Linux
• UNIX and Remote Desktop
• JIRA
• VMware Administration
• Network configuration
• Ansible
• Puppet
• Kernel Tuning crontab
• Bash
• Tomcat
• Jenkins
• Git
• Perforce
• Installation and configuration of Java based applications monitored application process create/manage file systems hardware/software break - fix. Database back-up and recovery
• Installation build and configuration of Mysql/Mariadb databases patch management storage management and performance management and application support.

PROFESSIONAL EXPERIENCE

Confidential, Columbia, MD

System Administrator

Responsibilities:

• Work with Performance engineering and Development Teams to optimize RHEL-based infrastructure, ensuring efficient operations and compliance with Service Level Agreements (SLA).
• Recommend, design and deploy performance monitoring tools and tune the environment accordingly.
• Installed, configured and troubleshoot basic DevOps tools (Jenkins,Git,Artifactory and Tomcat).
• Maintain current documentation of architecture, interfaces, processes and procedure, and server inventory.
• Resolved numerous issues of Disk space (Log rotation)
• User Administration, I created new users, reset passwords and customized user attributes
• Patch Management
• Installation, upgraded and downgraded when necessary using Package Managers like yum and rpm
• Managed configurations using Ansible
• Supported and Managed costomer facing Applications like Apache and tomcat
• Troubleshoot, wrote RCA and resolved various Resource Utilization issues
• Knowledge of enterprise level ticketing systems (JIRA)
• Knowledge of KVM, Vmware esxi 5 and 6
• Experienced with LDAP, Nagios, tcp/ip, DNS, NFS, Openssl and apache webserver.
• Exposure to Govt. Projects and various Computer Based Trainings (CBT)
• Experience Migrating application from onpremise to AWS cloud using VM import
• Experience working in AWS via the CLI and management console.
• Experience managing Cloud resources within Amazon AWS Platform, particularly:
• Experience Deploying, maintaining and managing HA Proxy Load balancer
• Experienced in Installing, Configuring, Managing and Maintaining Mysql/Mariadb database.
• Experience Upgrading Mysql/Mariadb databases
• Experience with Git SCM

Confidential, Fulton, MD

Linux Administrator

Responsibilities:

• Administered, deployed, troubleshoot and maintained RHEL 7 and 6 Virtual Infrastructure and applications.
• Install and compile apache from source code on Centos 7
• Built Mariadb Java connector and Mysql from sources on various Virtual Devices.
• Exposure to Access Management (IAM), S3 bucket, Cloud Watch and Security Groups.
• Build Mariadb and Mysql databases from source code, made a backup of existing Mysql database, uninstall it and Build Mariadb, restore the database and test the new Mariadb.
• Reset root password in RHEL
• GLPI installation and Management
• Installed, configured, and set environment variables for Maven and Java.
• Knowledgeable on Perforce/Git Version Control Systems.
• Understanding of VMware administration e.g. build, clone, snapshot and network configuration.
• Experience with networking protocols, OSI MODEL, TCP/IP, NFS, SFTP, SMTP, SSH, DNS, SSL/TLS.
• Experience in Monitoring system performance using command line tools like sar, vmstat, iostat, netstat, top, lsof and third party monitoring tools like Nagios.
• Exposure to configuration management tools (Ansible, Puppet).

Confidential, Largo, MD

Linux System Engineer/Application Support Specialist

Responsibilities:

• Experienced building Apache from source code.
• Created golden image (template) for various deployments like LAMP stack, KVM etc
• Experienced deploying, configuring, managing and troubleshooting Apache web server
• Deployed and installed VMware, Linux and UNIX servers.
• Installed Virtual machines, as well as physical machines on VMware.
• Installed Centos, Red Hat, and Solaris on machines.
• Provided Ansible and Puppet automation tools for system-wide configuration and management of Linux servers.
• Managed and configured RPM package building tools for building and patching of applications from source codes for Centos and RHEL systems.
• Experienced in Server Virtualization (VMware, KVM) and Auto-provisioning using Kickstart.
• Patched different applications when new versions are available.
• Patched windows and Linux Servers.
• Deployed open source software, such as Apache, Tomcat, Mariadb, etc.
• Configure Firewalls to allow applications to run.
• Prepped and setup DevOps Pipeline.
• Exposed to Cloud (AWS), setup cloud environment, configured VPC, ELB, Security Group, created EC2 instances, and migrated applications from on-prem to cloud.
• Installed and troubleshot DevOps tools, such as Jenkins, Tomcat, Git, and Maven.
• Assisted in any data migration activities whenever necessary with the team.
• Transferred software applications and reports between testing and production environments.
• Created Logical volumes and design the environment to the job's directions.
• Troubleshot Nagios Alerts and used Remedy for ticket coordination.
• Application of Ansible deployment and system patching using Ansible playbook.
• Managed systems routine backup, enabling cron jobs, enabling system logging and network logging of servers for maintenance.
• Created new file systems, managed and checked data Consistency of file systems.
• Setup Nagios server to monitor systems uptime, services and file systems.
• Installations, configurations, and support on front end and back end on tomcat.
• Created user accounts and group policies on Linux Servers.
• Followed job's policies to create user accounts and manage groups of multiple user accounts.
• Provided remote access to different levels and types of users.
• Diagnose d an d resolve d customer' s connectivit y issue s i n RHE L 6& 7 servers.
• Managed al l type s o f installatio n an d upgrad e o n Linu x servers.
• Ticke t assessmen t o n a dail y basis through remedy.
• Configured an d managed networ k interface
• Imaged server s an d clien t computer s an d remotel y manag e thei r softwar e after deploymen t o n Red h at Linu x 6 & 7.
• Provid e softwar e an d hardwar e tec h suppor t ; 24/7 on call support a s required.