SUMMARY:

• 9+ years experience in Unix/Linux based administration, maintenance, production support, tuning, planning, Scripting and automation, monitoring and troubleshooting.
• Expertise in varied OS (RHEL, UNIX, CentOS, AIX, Solaris) and Shell Scripting.
• Experienced with setting - up Client-Servers systems and networks to host various enterprise software applications and support business needs.

PROFESSIONAL EXPERIENCE:

Linux/UNIX Administrator (Infrastructure)

Confidential, TX

Responsibilities:

• Tire-3 IT support and day to day housekeeping activities.Ensuring availability of Services, Servers, OS infrastructure, Applications.
• Planing, Commissioning, Configuration of Servers, Applications (on RHEL, SUSE, Aix, OS-Images): (Physical, Virtual, Remote, or Cloud).
• Installation, Maintenance, Monitoring, Tuning of infrastructure and applications.
• Task Automation and scheduling, Back-up and migration: with bash scripting, Python scripting, and hands-on commands.
• Determining security policies and establishing processes in compliance.
• Support of virtualization technologies, VMSphere: VMware and Hyper-V
• Managing user group and account quota, disk space & file system needs, dynamic resource allocation and Role Based Access Control for security compliance.
• Installation and managing of OS, 3rd party software, security patches, fixes and package updates, monitors, jump-start and kick-start installs. Kernel tuning for performance.
• Configuration for Networks and interfaces, switch ports, Ethernet cards, host names, netmaks and routes details, DNS, NFS, LDAP, NTP and SNMP, ISCSI devices, multi path, checking services, permissions, HBA adopter. Load balancing.
• Setup Servers, Automated critical maintenance tasks, failure alerts and strictly ensured security policy compliance. Kernel tuning for performance and
• Installation and configuration Cisco UCS blade /HP/DELL Sun Netra/Enterprise servers on Linux/Solaris platform.
• VMware installation and monitored with virtual environments with ESX 4.x.5x and Vi Center 4x.5x
• RAID Volume Setup and Management using Veritas Volume Manager (VxVM), Veritas Cluster Server (VCS), Solaris Volume Manager (SVM) for Meta data base, logical volume manager (LVM), and Zone administration.
• Installed and used ESX, VirtualCenter, and Opsware for monitoring servers. Report generation for array disks, heat maps, I/O status
• Managed Oracle Real Application Cluster (RAC) on Solaris and Linux Servers.
• Configured and Managed Global File System (GFS) for Redhat Cluster Suite in Linux Servers.
• Experience large datacenter and storage migrations, COMMVAULT backup, and using Brightstor Arc server.
• Created and Managed Zettabyte file system (ZFS) in Solaris 10 and Linux Servers. Created zpools.
• Managing EMC storage array to DELL compellent storage array, Zone and disk/luns checking.
• Handled tools: BMC Remedy, CA Service desk, Bladelogic, Netbackup, Hobbit, Dynatrace, Nimsoft, Open-e, open filer, EMC Unispehere.
• Handling bridge calls for Severity 1, 2, & 3 incident tickets.
• Experience in IPMP (IPmultipathing) in Solaris and Multipath and Bonding in Linux

UNIX Applications Engineer

Confidential, Dallas, TX

Responsibilities:

• Provided efficient production and non-production application support for an array of UNIX based enterprise services.
• Developed processes to deploy and manage code on tiered environments of multiple CI/CD software projects and release efforts (DevOps).
• Designed custom utilities that automated the monitoring of applications and real time reporting.
• Supported technologies involving web service and n-tier architectures, Informatica, WebLogic, TOMCAT, JBOSS, WebSphere, GlassFish, SOAP, XML, JSP, Python
• Performed triaging and coordinated daily priorities of situations across application systems and clients.

Performance Analyst

Confidential, TX

Responsibilities:

• JEE and Informatica Application Performance Analysis.Developing custom tools to simulate application load, and orchestrate test scenarios.
• Perl programming with Shell script to automate on UNIX/Linux/Solaris/Aix platforms.
• Onshore and Off-Shore team management.
• Requirement gathering and Team/group representation, Escalations, Reviews.
• Delivered analysis reports for core and dependent file based financial transaction read-process.
• Analyzed modules of deployments for various release cycles across several project efforts.
• Tracked pre- and post-production performance and arriving at solutions, recommendations, SLAs, and benchmarks for scaling.

Confidential, Tampa, FL

Responsibilities:

• Technical Support Agent for corporate and Confidential Clients.Application analysis and review of pre- and post-release cycles (Delta2.0 enterprise CRM app)
• Setting up monitors, gathering usage statistics for infrastructure planning
• Analyze reports dumps and logs. Isolating efforts for key concern areas.

Software Engineer

Confidential

Responsibilities:

• Developed Microsoft tool for Microsoft SOE using Net (C#), XML, VBScript.
• Developed new modules and fixed major bugs for ChemFinder tool (CambridgeSoft).
• Designed generic protocols and demo flows for 3 major releases of Pipeline Pilot. Contributed to bug find and fix cycles, documentation. Perl, Shell scripts.
• Accurately cycled and released 4 bi-monthly packages of DataBasic Extended: through to production and post release support. Shell on Unix/Linux/Aix/Fedora.
• GCG-Wisconsin Package: C, C++ development, new feature enhancements, documentation.

Process Specialist

Confidential

Responsibilities:

• SME, Recruiting, Certified Trainer,, Evaluation, Escalations
• Drafted 3 large teams and encouraged technically diverse and competitive resource pool.
• Supported range of Commercial Wired and Wireless Networking products (Routers, Hubs, Modems, Protocols, VPN, Adapters for USB, Bluetooth, Network storage, Media hub, VoIP)
• Contributed to establishing and improving various processes and procedures to enhance productivity and experience.
• Contributed to team building and resource development activities and efforts.
• Analyzed root causes of 2 major common practice failures that improved resolution rate by 21% and 33%.
• Secured 2 Customer Experience s.