Ketan Patel

k2patel@k2patel.in

Knoxville, TN

PH : 775-572-8350

 

Career Objective:

To use my skills, experience and adaptability to obtain a systems administration, engineering or programming position where I am constantly challenged. My greatest strength is my ability to walk into a new environment and be functional immediately. I am quick to learn and adapt to new situations, configurations and technologies.

Technical Experience:

Programming / Scripting Languages: Bash, Perl, SQL, PL/SQL, Advance Bash, Java, Python

System Administration: FreeBSD, RHEL, Suse, Debian, Fedora, Ubuntu, Gentoo, Archlinux

Monitoring: Argus, Nagios, Cacti, Gomez, Logwatch, OSSec, ELK, graylog2, splunk

Application: Qmail, Sendmail, Postfix, GIT, CVS, SVN, Trac, Apache, IIS, Lighttpd, Squid, nginx, BIND, Wowza, VMware ESX, Solr, Varnish, James, Jboss, Tomcat, Cherokee, php-fpm

Utility: Jumpstart / Kickstart, RPMbuild / Mock, yum / up2date, Puppet, vmstat, iostat, mpstat, SELinux, LVM, Scalr, pulp

Database: MySQL, Oracle, MSSQL, PgSQL, Memcache, HP Vertica, Oracle Coherence

Network: Wireless, IP Addressing/Sub-netting, TCP/IP stack, RADIUS, LDAP, NIS, Samba, Heartbeat, Load balancing, Firewall, VPN, ejabber2, tcpdump

Cloud: Amazon EC2, EBS, ELB, VPN, Snapshot, AMI, Backup / Restore, Openstack

Employment History:

R&D Systems Engineering    Knoxville,TN
Oak Ridge National Laboratory September 2014 – Present

• Responsible provide support / architect need for DAAC project of NASA
• Develop / Support Automated Infrastructure for production and development.
• Interact with Scientists provide solution as needed.
• Developing script / automate daily tasks based on API (python || bash)
• Capacity planning based on upcoming future need.
• Maintain Nexenta stor ( ZFS HA Solution ). 
• Setting up Backup / Security Policy for existing infrastructure
• Automate system management / deployment using puppet.
• Maintain / Develop workflow for infrastructure as code.
• Develop packages (rpm) to install custom scripts and applications.
• Build scientific software rpm using MPICH / OpenMPI library for cluster.
• Manage new openstack infrastructure.

Linux System Administrator, Long Island City, NY
Michael C. Fina, May 2011 – June 2012

• Responsible for infrastructure and customer facing operations.
• Maintain / develop custom monitor for our need.
• Working on planning / implementation to move development infrastructure to Amazon EC2
• Developing script / automate EC2 based on API (perl || bash)
• capacity planning based on current system statistics.
• Working on tuning Application / server for better performance.
• Postgres streaming replication / custom monitoring for postgresql replication.
• Creating document for fallback plans.
• Maintain development / Production platform (interchange / devcamps / postgresql / perl)
• Setting up Backup Policy for all ec2 based system.
• Building xfsutils for RHEL 5.x and kernel 2.6.18-138+ Using Mock.
• tuning kernel variables to support Large Paging / Tuning for database (PgSQL).
• Assembled scripts to generate daily performance report using RRDTools. (sysstats / sar )
• Developed custom monitoring script for headless browser selenium.
• Create revert back plan to move back to Physical Hardware.
• Building in house RPM Repository for update release
• Build / Deploy OSSec for monitoring events.
• Create / Update Kick Start Script to Data center for our requirement build.

Webair Internet Development Inc, New York, NY

Systems Administrator, Nov. 2007 — May. 2011

• Responsible for server administration for thousands of servers across global data centers. 

• Troubleshoot level1 to level3 client issues tracked via ticketing system.

• Work with new clients to custom build their software stack on their servers on different OS platforms.

• Perform Linux/BSD, Apache, MySQL optimization to help improve server performance.

• Used bash to develop support tools, ex: Automatically backup / Hot Backup / Query Based Text Backup /  MySQL databases across hundreds of servers in several different data centers.

• Assigned as dedicated technical support for VIP clients.

• Help clients debug and identify issues with their server side applications and scripts

• Implemented a wiki based system for collaborative documentation of VIP client infrastructure, server configurations, and maintenance procedures.

• Install, configure and customize monitoring solutions for VIP clients using monitoring systems such as Cacti and Nagios (nrpe / nsca).

• Install, configure, monitor and manage Circular Master - Slave and Master - Slave MySQL Cluster.

• Work with kernel compilation, modifying various variable on kernel in order to improve performance.

• Developing script to automate installation of ffmpeg / mencoder / mplayer from latest repository snapshot across multiple client servers. 

• Support VMWare ESX Cluster - Creating, updating and cloning of Virtual Servers.

 

Modern Data System Inc., Carle Place NY

System Administrator and IT Operations, June 2007 - Nov. 2007

• Worked on a 20 servers environment consisting of Linux and Windows operating systems. 

• Maintained production environment Active directory

• Managed server backups using Symantec Backup Exec 11 / Symantec Ghost

• Managed production MSSQL servers.

• Set up IPSEC tunnels to allow remote access to servers via VNC

• Constantly researched and presented CTO with new technologies that would improve technical operations for the company.

• Communicate and setup Managed Services for all the computers as client places.

 

Samagam Networks Pvt. Ltd., Surat, GJ, INDIA

Web Services Developer & System Administrator, May 2004 - Jan. 2007

• Managed production environment of about 10 Linux servers

• Deployed firewall solution using Astaro Linux firewall.

• Deployed and debugged primary application built with java and jsp with a mysql backend.

• Improved mysql resiliency by creating a load balanced cluster using ldirectord, Hearbeat as “ultramonkey” package.

• Created a monitoring platform using Nagios and customized to fit our needs.

• Provided 24/7 support for our overseas staff.

• Creating Database diagram for various in house application.

Education :

Diploma Industrial Electronics : Maharastra Technical Examination Board : 1997

Diploma Computer Technology : Hardcore : 1998

Certified Novell Administrator : Novell : 1999

Certified Intranet Manager : Novell : 1999