SUMMARY:

Seeking a position as a Linux/Solaris Systems Administrator and other related IT positions where my technical, educational and professional skills can be applied to advance the goals of the company and upward mobility is based on accomplishments.

EMPLOYMENT:

Confidential, Herndon, VA

Linux/AWS System Administrator

Responsibilities:

• Amazon S3 (Simple Storage Service)
• Cloudfront
• Route 53
• Automating System Tasks With Cron and AT
• Amazon IAM (Identity And Access Management)
• Amazon EC2 (Elastic Compute Cloud)
• Amazon RDS (Relational Database Service)
• Amazon VPC (Virtual Private Cloud) And Networking
• High Availability And Fault Tolerant Tools With EC2
• Install and Configure SSL for Apache Web Server - Create Self Signed Certificate
• Configuring SSH-Based Remote Access Using Public/Private Key Pairs
• Configure an HTTP Client to Automatically Use a Proxy Server
• Configure a system to forward all email to a central mail server
• Recovering The Root Password
• Install Red Hat Enterprise Linux Automatically Using Kickstart
• Configure Firewall Settings Using firewall-config, firewall-cmd, or iptables
• Configure Key-Based Authentication for SSH
• Creating swap space from a LVM volume
• Create and Manage Access Control Lists (ACLs)
• Configure Network Shares via NFS: Server Setup
• Configure Network Shares via NFS: Client Setup
• Configure Apache Log Files
• Customize the Apache Logs
• Setting Up Name Based Virtual Web Hosts: Red Hat/CentOS HTTP
• Network Time Protocol (NTP)
• Forwarding Emails And Mail Aliases
• Configuring Logrotate
• Root User, Sudo Users And Setting Up Your User Account
• Script that capture the output in a file on all servers
• Servers Hardening Script
• SSH key Script
• Script unresolved update
• Script that create a snapshot

Confidential, Rockville, MD

Linux/Unix System Administrator

Responsibilities:

• Planning, installation, configuration, management and troubleshooting of Red Hat Enterprise Linux platform
• Install and managevirtual Linux machines on VMWare ESXi
• Centos Installation and Configuration
• Set up Centos as a Virtual Machine on VMware Choose appropriate packages while installing Centos Conceptualize the virtualization of servers Conceptualize the standard storage partitions and LVM-based partitions
• Performed file system backups and restores using local archiving utilities to include tar, gzip
• Create mount points for database administrators for Oracle database install; Supported Oracle Database
• Installing, configuring, and managing services in CentOS of approved user accounts and groups
• Manage filesystems utilization using script scheduled as cron job
• Script to check if a server is running
• Script to Monitor Linux users logins and logouts
• Script to monitor log file
• Wrote Bash Shell script to track filesystem space usage
• Maintain user-based security via password aging
• Maintain file system and host security using chmod, chown, chgrp, immutable bit, iptables and tcp wrappers
• Turn-off unused services on systems to strengthen host security
• Disabled direct ssh root login on servers
• Configure and manage TCP/IP networking on RHEL systems
• Troubleshoot and resolved networking issues
• Perform software package installation, upgrades and updates using yum and rpm commands
• Apply system patches and updates
• Manage filesystems using fdisk and LVM
• Perform critical system administration tasks from Single user mode
• Create directory symbolic links for users as requested
• Install and configure Apache httpd server to be used by developer to host web applications
• Configured multiple websites on one Apache http server using virtualHost containers
• Install and configure Apache tomcat server for developers
• Configure NFS server and mount exported nfs resources at the client side
• Configured and managed vsftp servers
• Utilized f5 Big IP load balancer web interface to control traffic on web servers during system maintenance
• Change root password on all server from centralized puppet master server-specific Application Server experience managing servers that run enterprise web applications like Java / .net.
• Manage user access to SVN repositories
• Manage RHEL servers from RHEL satellite server web interface
• Register all servers with the Satellite server using bootstrap script
• Update /etc/issue file for system notifications and warnings on user logins
• Setup secured passwordless SSH authentication on servers using ssh keys
• Schedule and maintain cron jobs
• Monitored and controlled system processes using top, renice, kill etc
• Conducted system performance tuning and capacity planning
• Tune Linux kernel using kernel parameters as requested by database administrator
• Configured Kernel Parameters for Oracle database install
• Performed system logs administration to detect and resolve issues
• Monitored system logs and activity on all servers
• Configure NTP client on servers to synchronize time zone with the NTP server
• Resolved systems and process issues reported by Site scope
• Responded to and closed out Remedy tickets
• Documented server baseline and procedures
• Set up servers to tap and mount storage from SAN Array
• Sends weekly report to management on overall system performance and health checks
• Deploy, Configure and maintaining file systems
• Adding hosts to deployment manager
• Remove hosts from deployment manager
• Running scripts with deployment manager
• Adding users to Centrify
• Adding machine to a domain
• Granting users access to servers / Retiring servers
• Managing JIRA and EW ticketing systems
• Registration of servers to DNS
• Setting firewall rule on servers
• Building Linux desktop
• Patching Linux servers for maintenance
• Managing RHNSAT and SPACEWALK Servers
• Backing up Satellite and Spacewalk database
• Registered servers into RHNSAT and Spacewalk
• Network Configuration and Troubleshooting
• Creating computer object in AD
• Renaming and disabled users home folder
• Deleting regular users Novell account
• Implementing ACL on servers
• Installing and managing software
• Cloning virtual machine
• Taking a snapshot of the virtual machine
• Adding CUP and Memory to the virtual servers
• Updating VMware tools
• Managing systems resources
• Setting up Apache web servers
• Managing Apache web servers
• Tune and maintain the kernel
• Create a bonded interfaces
• Configured servers to communicate with host attached array
• Configured virtual host container for client web sites
• Configured server networking on RHEL 5 & 6
• Troubleshooted and resolved TCP/IP issues
• Implemented file system and host security
• Configured Server as a dedicated host
• Document server build page