SUMMARY

• System administrator with 8+ years of experience in system maintenance, configuration, and operation of computer systems and servers.
• Proven track record of success in developing, deploying, maintaining, and evaluating systems to maximize efficiency and improve reliability.

TECHNICAL SKILLS

Operating Systems: Oracle Solaris /9/10/11, Centos 6.4, RHEL 7.x, AIX, Debian, Ubuntu, Oracle Virtual Box, FreeNAS, Windows XP/7/8 Professional, Windows Server 2008 & 2012 R2, VMware EXSI 6.X

Storage Technologies: NAS, LVM, SVM, ZFS, VERITAS Foundation Suite, Apex SQL command Editor

Scripting Languages: Bash, Python

Networking: TCP/IP, LAN/WAN, DNS, DHCP, LDAP, HTTP, SSH

Security: CompTIA Security+, Sudo, RBAC, SELinux, Firewall

PROFESSIONAL EXPERIENCE

System Administrator

Confidential - Arlington, VA

Responsibilities:

• Perform 24x7 Production support for teh several applications
• Installed and administered WebLogic Server 10.3.x/11g on Red Hat Linux 5.x and Windows environment.
• Installed IBM BPM v8.0/ 8.5 on various platforms in Clustered and Non-Clustered Environments.
• Operate teh WebLogic Server Administration Console to control production-specific deployment details.
• Configured High Availability based environments in clusters.
• Configured JDBC and JMS servers on WebLogic server.
• Installed, configured, and administered Apache HTTP 2.0
• Managed 14 WebLogic servers on cluster of machines
• Deployed multiple applications on WebLogic server and maintained load balancing, high availability and fail over functionality

Unix/ Linux System Administrator

Confidential -Colege Park, MD

Responsibilities:

• Managed Tomcat server across environments on Red Hat Linux 3.7
• Installed, configured and administered IBM WebSphere Application Server 7.X/8.X, TOMCAT webserver 6.X
• Installed, configured IBM HTTP Server, Apache, Windows IIS Server, Apache webserver and SUN One Web server
• Migrated JBOSS Application Server 5.X to 6.X
• Integrated Apache webserver and IBM HTTP server 7.0 on Linux/Windows platform to work with Application server
• Installed JBoss JON 2.4 monitoring server and monitored JBoss instances running on different OS
• Installed and configured MQ client libraries and made MQ series for JBoss applications
• Configured MQ Queues, Channels and created binding files for MQ applications usage
• Maintained detailed design and operational documentation for production systems
• Coordinated with Red Hat JBoss support team to diagnosis and resolve issues

Linux System Administrator

Confidential, Germantown, MD

Responsibilities:

• Supported service delivery resiliency, efficiency and audit programs tied to server maintenance compliance
• Coordinated server and application patching efforts including impact analysis and testing
• Performed testing in response to environmental patches, upgrades, and configuration changes
• Administered OS scripts on application servers
• Supported desktop application compatibility troubleshooting
• Conducted capacity planning reviews with management
• Developed and analyzed highly complex system standards, thresholds, and recommendations to maximize system performance
• Served as subject matter expert on complex systems processes and procedures
• Provided technical solutions for non-routine technical issues

System Administrator

Confidential -Washington, DC

Responsibilities:

• Designed large scale distributed and fully automated Continuous Integration and Build & Deployment processes
• Set up network security policies and procedures
• Performed performance monitoring and briefed issues and recommendations to management
• Analyzed logs to improve system and network performance, isolate and detect failures, and identify malicious activity
• Provided operational support and performance tuning of all Linux servers and applications

System Engineer

Confidential -Falls Church, VA

Responsibilities:

• Created and managed RedHat LVM volumes and conducted root cause analysis
• Configured Access Control List (ACL) and Sudo
• Established a domain and an active directory on Windows servers
• Installed and configured Samba server on Linux and Solaris 10 and mapped to Windows servers
• Configured Apache for virtual and web hosting
• Installed and configured MySQL in multiple environments
• Created scripts based on user requirements

UNIX/Linux System Administrator

Confidential -Beltsville, MD

Responsibilities:

• Installed operating systems, configured Centos 6.4, RedHat, Solaris 10 servers
• Utilized interactive and advanced Kickstart and Jumpstart installation methods
• Conducted hardening and patching of Centos, RHEL and Solaris servers
• Managed teh patching for Linux using YUM; Solaris 10 standalone servers using single user mode, and production servers with live upgrades using an alternate boot environment
• Built YUM repositories and patches for Linux servers
• Installed and configured TCP/IP, DHCP, DNS; NFS, CIFS, and Samba servers in a multiplatform LAN
• Oversaw monitoring and log management on UNIX, Linux, and Windows servers
• Created and administered user accounts, managed user security, password recovery, aging and complexity.
• Utilized bash shell scripting to schedule and automate processes for full and incremental backups
• Performed multiplatform volume management using LVM and SVM volume manager; installed and configured a LAN wide NAS (Free NAS) used for creating LUNs and attaching to Windows 2008 servers and to Solaris 10 using iSCSi.