SUMMARY:

Possess strong technical experience supporting diverse systems in the fast - paced customer focused environments adhering to stringent deadlines and demonstrated success delivering high results, being a team player, ability to rectify and correct errors. Experience with UNIX/Linux systems and Customer/Vendor interfacing skills in an environment where mutual growth thrives.

SKILLS:

Operating Systems: oracle Solaris 10, Red Hat Enterprise Linux 6&7, Centos 6&7, Microsoft Windows 7, 8 & 10.

Language: UNIX Bash shell Scripting.

Storage Tech: Solaris Volume Manager (SVM), Logical Volume Manager (LVM), FreeNAS, and ZFS

Virtualization: VMware Workstation 9, Oracle VirtualBox, Citrix XenServer 7

Platform: Sparc T5120, T5240, and Dell HP Proliant DL 385Networking TCP/IP and Local Area Network (LAN)

PROFESSIONAL EXPERIENCE:

LINUX APPLICATON SUPPORT

Confidential, CHELMSFORD, MA

Responsibilities:

• Provides Support for oracle ecommerce applications through Jira ticketing System
• Working on assigned requests and problem tickets
• Monitors JVMs, nodes and physical servers using NewRelic, Naemon and Pingdom
• Stops and restarts Endeca, Atg apache and tomcat services per client’s request.
• Take Thread and Heap dumps per client’s request.
• Updates Clients environments using SVN through Eclipse interface and Confidential
• Copying and moving logs to NFS share server
• Runs database queries using Sqlplus
• Assists in Oracle security patching in DEV/UAT and PRD environment
• Updates database configuration using sqlplus
• Making backups of client’s configuration files and copying templates between servers as required.
• Creates, updates and delete users from LDAP using Apache Directory Studio and Confidential
• Give Users access to ftp and Sftp using CrushFTP
• Deployment of servers such as node.js, nginix, haproxy
• Writing and maintaining technical documentation for existing and new projects on confluence.
• Investigated nginx server that failed to start after shutdown by checking /var/log/nginx/error.log file and using the error message to modify the header files in /etc/nginx/conf.d in svn and thereby preventing longer downtime.

OPERATON ANALYST

Confidential, MARLBOROUGH, MA

Responsibilities:

• Monitor and troubleshoot critical systems hosts, nodes, applications using Solarwinds and Nagios.
• Provide support and troubleshooting UNIX/Linux/Solaris Servers.
• Manage hardware repairs with vendors and replaces disk drives as needed.
• Maintain system logs and system reporting data.
• Provide technical and analytical support in determining the root cause of network problems and implement actions to resolve them with remote and data center engineers.
• Assist with documenting and updating departmental procedures and SOP’s.
• Monitor the infrastructure environment and application services for performance and stability to maintain 24x7 operations and resolve impacts as they occur.
• Document problem descriptions and detailed problem diagnosis with accuracy and compliance with established practices and KPI objectives.
• Run and apply SAP transports between multiple clients and troubleshoot SAP issues with the BASIS team.
• Manage backup Rotation with EMC Networker and also manage backup libraries and disk arrays in the data center.
• Monitor, create, update, and resolve incidents in the queue efficiently and collaborate with peer technical staff and vendors to facilitate efficient time resolution using Confidential and ServiceNow ticketing system.
• Investigated a fail disk drive for one of our critical client servers and initiated steps to replace it within 24 hours window without engineers coming onsite which resulted in saving cost and also the restructuring of emergency procedures used in our SOP’s.
• Took over responsibility for the customer follow - up ticket queue, ensuring previous issues did resolved to the high standard of customer service which put an end multiple call backs from the client and thereby enhancing the image of the NOC.

JR UNIX SYSTEMS ADMINISTRATOR

Confidential, BELTSVILLE, MD

Responsibilities:

• Deployed an automated solution using Kickstart to install and configure RHEL 6/7 via HTTP, VSFTP, and NFS.
• Created and maintained new and existing file systems.
• Configure and troubleshoot TCP/IP, DHCP, DNS, NFS, CIFS, SMB, NTP and SMTP.
• Problem diagnosis, troubleshooting, and root cause analysis for servers at the hardware, network, and operating system level.
• Performed OS security hardening, patching, and upgrade and manage system packages via RPM and YUM package management.
• Administer user, group account creation, and modification as well as limiting sudo rights for administrate task and securing the file system using Access Control List (ACL)
• Analyze memory, CPU, system swap and disk usage consumed by the applications as part of performance tuning.
• Schedule cron jobs and used bash shell scripts to assist in automating various system administrators task.
• Setup whole root zone/containers on Solaris 10 for application management; migrating zone paths and complete zones to other platforms using Sftp.
• Performed volume management task using SVM and LVM.
• Installed and configured Apache, MySQL and PHP (LAMP) Centos 6/7 server.
• Identified data lost from production NFS server every one minute by looking into running cron jobs and cron log file (/var/log/cron) then modified the cron entry which resulted in the availability and accessibility of data to the customers.
• Investigated the inability of a client to write into a Storage share; resolve by creating a new group with GID to match storage device permission, then adding client to new group that prevented a production outage.