Unix / Linux System Administrator Resume Gaithersburg, MD - Hire IT People

SUMMARY

4 Years Linux Admin
Information Security
Enterprise Systems
Physical Security
Linux Administrator with experience in day to day enterprise environment operations to include infrastructure maintenance, server optimization and server monitoring.
Highly Effective self - starter with the ability to combine intuitive analysis, attention to detail and excellent communication skills to deliver consistent, on-time and accurate results.
Hands on experience with RedHat Enterprise Linux 6/7, DNS, LAMP Stack, Identity Management, Nagios, SMTP, LDAP, Apache, and Tomcat.

PROFICIENCIES:

PROFESSIONAL EXPERIENCE:

Confidential, Gaithersburg, MD

Unix / Linux System Administrator

Administered Red Hat Enterprise 6/7 servers and maintained package levels for proper performance; Logical Volume Manager (LVM); shared file system (NFS); and Security-Enhanced Linux (SELinux) and VMWare virtualized environments using ESXi/Hypervisor and KVMs.
Experienced in installation documentations to verify server deployment success, and document recommended changes.
Developed and maintained installation, configuration and documentation procedures.
Administered and maintained servers for Linux, Apache, MySql and Php stack for web hosting.
Experienced with systems monitoring tools (Nagios) in helping tune, configure and administer cluster components parameters like CPU, I/O load, memory usage and network topology/bandwidth for identified workloads
Built, administered and maintained RedHat Enterprise Linux Identity Management (IdM)
Managed bind DNS server for Demilitarized Zone (DMZ) servers
Used standard Linux programs like AWK, GREP, SED, find, SSH and Regex
Used bash shell programming to create scripts for automation for daily administration and document system infrastructure
Built and managed servers for JBoss/Tomcat application .jar files deployment
Provide accurate, detailed and timely responses to problems and queries
Provide technical guidance and assistance to customers in troubleshooting, identifying, and resolving system and interface problems.
Goal-driven and self-motivated

Confidential, Hanover, MD

Desktop System Administrator

Install and configure RedHat Enterprise Linux server on VMWare EXSi 6.5 in the network per build and configuration guide and specifications
Create and administer users and groups; granting permissions and access to files and directories
Maintaining appropriate file and system security, monitoring and system access control; and assigning special privileges to selected users.
Scheduling system related crontab jobs for automation of repetitive tasks
Install, configure and maintain private GitLab Linux servers, as well creating and managing GitLab users.
Maintained, configured, and patched DNS server.
Used bash scripts to automate system administration tasks.
Install Red Hat Enterprise Linux using Kickstart and applying security polices hardening the server based on hardening guide.
Modified Apache and NFS configurations to help troubleshoot server issues.
Document server builds and infrastructure diagrams through SOP.
Assign users to proper groups in LDAP Active Directory