SUMMARY:

• 20+ years of working knowledge, skills, and experience in various areas of Information Technology Services such as DevOps, Linux/UNIX, Docker, Kubernetes, Cloud Computing, VMWare, WebSphere/WebLogic, Tomcat, DataPower, Splunk, DynaTrace, Tivoli Monitoring infrastructures, software development and management/maintenance tools.
• Proficiency in UNIX, shell scripts, python, java, C, QuickBasic, and FORTRAN programming with solid computer, networking, and security skills.
• Expert in architecture, set up, support, and maintenance of DevOps for CI/CD environment

TECHNICAL SKILLS:

Cloud platforms: AWS, IBM, Azure

Framework/tools: Jenkins, Maven, Artifactory, JIRA, SonarQube, Nexus, VSTS, TeamCity

Versioning Tools: Accurev, GitHub, SVN, Bitbucket

IAC Tools: Puppet, Ansible, Terraform

Containers: Docker

Application/Web Servers: Tomcat, WebSphere 7/8.5.5/9.0, WebLogic 9.x/10.x/12c, JBoss 7.1, Apache 2.x/1.3.x

Operating Systems: Solaris 10/11, RHEL 6/7, Windows, HP - UX, AIX

Database: Oracle, SQL Server, MySQL, Postgres

Scripting & Other Tools: UNIX Shell Scripts (Ksh, Bash), Python

PROFESSIONAL EXPERIENCE:

Confidential, Fort Worth, TX

Senior Infrastructure Engineer

Responsibilities:

• Installed and configured VMWare ESXi including ESX Host and vCenter servers with enterprise storage
• Managed and supported VMWare ESXi via vSphere client.
• Built and supported the overall infrastructure components and communication of the system architectures.
• Wrote scripts for deploying, monitoring, administrating and managing DevOps, Unix, DataPower, Dynatrace,Tivoli, Apache web servers, WebSphere and Tomcat application servers of development/operational systems.
• Designed architecture, administrated, developed and supported WebSphere DataPower SOA appliances and services.
• Engineered the DataPower deployment process and provided best practice procedures for implementation for all phases (dev, test, stage, production).
• Tested and evaluated cloud computing technology from various cloud service providers and made recommendation for future implementation in supporting business agility and cost effectiveness.
• Partnered with network team to work with AWS and IBM cloud providers to create a VPC direct connect using VPN IPSec.
• Created and tested template images for cloud infrastructure components such as web, app, and db servers using AWS services.
• Integrated enterprise network and app security and load balancing for application access in the cloud.
• Managed and supported cloud infrastructures.
• Conducted a research on Docker and Kubernetes open source tools and performed a POC on docker for evaluating and testing.
• Installed docker software on RHEL 6/7, dockernized, and tested the simple web application with web and app servers using the images such as Apache, Tomcat, and Websphere from the docker hub.
• Initiated and implemented Tivoli enterprise monitoring solutions using Tivoli software products such as ITM 6.2.2, NetCool/Omnibus 7.3, ITCAM for SOA 7.1.1 OMEGAMON XE for Messaging 7.0, and ITCAM for AD 7.1.0.2.
• Integrated with DP and WSRR to monitor, manage, and support SOA applications environment, distributed programming models with complex software systems.
• Set up, maintained, and supported DynaTrace tools for monitoring, application performance tuning, system status alerts/notifications and diagnostics for all phases (dev, test, stage, production).

Confidential, Houston, TX

UNIX Systems Architect/Engineer/Admin

Responsibilities:

• Worked with Network Security, DBA, enterprise application support and development groups in Sun Solaris, Linux, IRIX, Windows systems with Veritas cluster server, volume manager, file systems, netbackup, HP/Compaq StorageWorks and EMC Clariion SAN, and several apache web servers to provide advanced and efficient information services to higher education institutions.

Confidential, Houston, TX

Sr. Linux Systems Administrator

Responsibilities:

• Worked with developers in Research and Development Group to help test under-developed seismic processing software (PSDM) and evaluate different latest hardware (Intel Pentium 4, Xeon, Itanium2, and AMD64 Opteron chips) on Linux (RH 7, 8, 9, AS 2.1, and SLES 8) Cluster systems.
• Performed system administration activities and provided technical support in a Linux Cluster Parallel Processing, Sun Microsystems, Network Appliance environment.

Confidential, Houston, TX

UNIX Systems Design/Engineer/Admin

Responsibilities:

• Designed, implemented, maintained, and supported 100+ nodes of Linux cluster using Beowulf, OSCAR, and Compaq cluster management tools.
• Successfully planned, executed, and expanded Landmark project setup in South America.
• Developed a user-friendly backup/restore and management tools programs using C Shell script.
• Developed and maintained system support procedures and documentation.
• Installed, configured, and maintained NQS batch process queuing system, tape drives, network printers and plotters using SDI Printmaster Application.
• Performed system monitor and tuned and made recommendations to management for system performance enhancements.
• Installed, configured, supported, and maintained hardware and in-house and third-party software including OS upgrades and patches and Oracle Database.
• Provided guidance and advice to developers and users concerning system capabilities and software/hardware/procedures.
• Identified and evaluated new technologies, methodologies, and procedures, and assess the technical and financial feasibility of use.