Linux Administrator Resume Washington, DC - Hire IT People

SUMMARY

Linux administrator with a strong performance background in wide variety of professional system support and solution - based IT services for Linux Systems including monitoring, configuration, troubleshooting and maintenance of operating systems

TECHNICAL SKILLS

Operating Systems: RHEL/CentOS 6/7 Windows R2 2012

Servers/Services: NFS, Apache, Tomcat, DNS, LVM, Github, Nagios, Samba, Solarwinds, Jenkins, CI/CD

PROFESSIONAL EXPERIENCE

Confidential, Washington, DC

Linux Administrator

Responsibilities:

Installing, upgrading and configuring Red Hat Linux 6/7 Servers, using Kickstart as well as Interactive installation on VMware 5.1, Dell 2650 PowerEdge servers, and Dell GX270 workstations
Responsible for creating new user accounts, granting permissions, security, and rights allocation
Process monitoring and debugging using tools such as Nagios, Vmstat, and Syslog
Configures DNS, NFS, FTP, remote access, and security management.
Collaborate with change management team to do installation, Upgrades using RPM and YUM utility.
Installing and configuring Apache webservers as a proxy server.
Establish mechanisms for routine backups and replication of data NetBackup and clustering.
Use Crontab to automate daily system administration tasks such as creating backups, synchronizing files, and schedule updates
Keep accurate records of Linux system failures and changes.
Administering VMware Infrastructure by installing cluster nodes.
Storage virtualization to include data-store.
Configured Red Hat systems for centralized login using LDAP
Partitioning and managing disks space using LVM.
Design and maintain hardware, software and Linux administration standards.

Confidential, Culpeper, VA

Linux Administrator

Responsibilities:

Experienced in System Administration, installation, Upgrading, Patches, Migration, Configuration, and Troubleshooting
Maintaining filey systems and enforcing SeLinux and Kerberos authentication on NFS shares
Implemented SSL/TLS certificate on apache web servers
Configure storage, disk management, logical volume management and logical partitioning
Created manual test cases based on test plan and requirement documents
Created, admitted and maintained user accounts with stipulated permissions
Managed, tracked and documented defects in the build using Mercury Quality Center
Experienced using Red Hat Satellite server to deploy, monitor, update and manage systems
Troubleshoot connectivity to servers and network system
Used VI/VIM text editor to modify configuration file, create cron jobs and scrips
Managed file space and created logical volumes, extended file systems using LVM
Performed daily maintenance of servers and tuned system for optimum performance by turning off unwanted peripheral and vulnerable service.
Managed RPM Package for Linux distributions
Monitored system performance using SAR, TOP, FREE, VMSTAT & IOSTAT
Set up user and group login ID's, password, ACL file permissions, and assigned user and group quota
Configured networking including TCP/IP and troubleshooting
Designed Firewall rules to enable communication between servers

Confidential, Washington, DC

System Analyst

Responsibilities:

Built and configured virtual machines using VMware
Performed daily User account management such as creation, deletion, sudo access, password management as well as ACL file permissions
Configured local storage using partitions and logical volumes
Data store creation, data integrity and file system security for the servers
Installed patches and other software packages using YUM and RPM
Monitored the performance of the servers using SAR, TOP, FREE, VMSTAT & IOSTAT
Set up and maintained Domain Names System (DNS) servers
Configured IPTABLES firewall and SELinux contexts on Linux systems for system security
Installed and configured various services like DNS, DHCP, NFS, HTTP, RPM Package Management
Use Crontab to performed system Backup and automated administration tasks using scripting
Administered Disks and File systems using LVM to resize disk space and also create new mount points for additional file system
Prepared status reports, project plans and attended team meetings to organize activities