Linux System Administrator/Consultant Resume

SUMMARY:

Self - motivated and talented system administrator, offering over three years of experience in a Unix/Linux environment and experienced in several flavors of Linux, such as Redhat, Centos and Ubuntu. Installed/deployed and support web and proprietary applications on both physical and virtual Servers.
Provide ongoing management, performance-tuning and Tier 3 support for Linux and UNIX systems. Strong grasp of computer security, assorted operating systems, numerous applications and mixed platforms.
System Installation, configuration and upgrading Confidential ESXi, Vcenter and Vsphere Clients, Weblogic.
Networking knowledge (TCP/IP and UDP protocol optimizations), LDAP Clients and DNS management.
Knowledge in MySQL/MariaDb as well as database configuration and optimizations, (disk and RAID) setups.
Managing load balancers and experience configuring and utilizing monitoring tools such as Nagios.
Good knowledge of firewalls setup (Iptables or hardware), router configuration and SSH/VPN tunneling.
Basic Programing Language Bash Scripting, Perl, Visual basics
Excellent communication, interpersonal and customer handling skills
Ability to document procedures and processes accurately
Performance tuning/Configurations
Attention to details

PROFESSIONAL EXPERIENCE:

Confidential

Linux System Administrator/Consultant

Responsibilities:

Installed new/rebuild existing servers and configured hardware, services, settings, directories etc., in accordance with baseline and operational requirements.
Troubleshooting issues in a Confidential Enterprise environment affecting customer’s deadlines and productivity in a manner that minimizes interruption’s in customers’ ability to carry out critical business activities.
Applying virtualization technology in managing multiple operating systems on Confidential platforms as well as Windows Hyper -V Manager.
Installed and configured security systems such as Confidential in accordance with company operational procedures as well as monitoring the system to identify possible intrusion.
Installed and configures oracle Web Logic to enhance mainframe applications in multiuser computer environment.
Perform daily system monitoring, daily reviewing of system and application logs while verifying successful completion of scheduled jobs
Established and maintained user accounts, assign file permissions and user passwords. Access and edit files securely using VI text editor.
Installed and configured Apache Webservers and also troubleshoot problems arising from Apache functionality.
Managed the installation software, security patches, system fixes, package updates and enhancements for Ubuntu, Redhat 5 and 6, Centos 6 and 7.
Managing (adding/removing) disks and partitions (LVM) and overall file systems
Maintained existing programs/scripts and extended Linux system functionality as needed

Confidential

Remote System Administrator

Responsibilities:

Troubleshooting issues in a Confidential Enterprise environment affecting customer’s deadlines and productivity in a manner that minimizes interruption’s in customers’ ability to carry out critical business activities.
Performed swap space management and installed patches and packages as needed
Scheduled jobs and automating processes using CRON and AT. Also monitored job processes.
Created and maintained file systems and performed RAID configuration on LINUX
Accessed tickets on a daily basis while providing recommend solutions
Performed basic creation and trouble shooting on shell scripts
Performed hardware and software upgrades as requested and approved.
Managed and maintained user accounts
Configured and managed network interfaces