SUMMARY

• Over 8 Years of experience in heterogeneous and complex IT environments.
• Expertise in Unix, Red Hat Linux Enterprise 5,6, CentOS and Solaris 10, Networking, Programming (Shell and Perl scripting), Databases, Software, and Hardware.
• Experience includes installation, configuration and maintenance of Applications on Solaris, Red Hat Enterprise Linux, different flavors of UNIX and all versions of Windows.
• Experience in supporting Openstack Cloud.
• Experience in Nova compute and Neutron
• Worked on designing and implementation of Datacenter migrations
• Installing, Configuring and Maintaining DNS, NFS and Auto FS.
• Hands on experience in administration and maintenance of application services like Mail, HTTP, Apache Tomcat, DHCP, SMTP, and FTP.
• Involved in DevOps support including supporting Openstack Cloud wif apigee Edge cloud installation.
• Involved in supporting automation using Chef, which involved creating cookbooks, databags and bootstrapping client on chef server.
• Created Linux and Ubuntu VM’s on Openstack hypervisors.
• Worked wif Protocol’s like NFS and TCP/IP on Linux server environment and LDAP client - server model to retrieve and manipulate data.
• Implemented and enhanced scripts using Bash and Python Scripting and experienced in scheduling jobs using Crontab and Confidential .
• Experience in administrating the Cassandra and Zookeeper
• Experience in administrating the Redhat Messaging (apache Qpid) a core component of Apigee
• Implemented High Availability in Linux wif HeartBeat
• Implementing the Dnsmasq as local Dns servers for environment
• Implemented Software Load Balancers wif Haproxy and Nginx
• Worked on Gitlabs and Github for Infrastructure code management.
• Installing and hosting Docker Containers
• Worked wif Solaris Packages and Patches, Red Hat Package Manager (RPM) and YUM.
• RDBMS installation and support including Postgress and Maria DB wif Percona.
• Troubleshooting system calls via strace and truss
• Familiarity wif various monitoring tools for monitoring large-scale enterprise networks.
• Performed kernel-tuning via ndd and sysctl, performance tuning for different web and java related applications on RHEL and Solaris Servers and involved Kernel and Core dump analysis..
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance.
• Experienced in documenting various maintenance activities and upgrades and changes in the network architecture.
• Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries
• Excellent ability to handle significant workload wif experience in managing multiple projects concurrently in a fast pace environment.

TECHNICAL SKILLS

OS: Solaris10, Red Hat Enterprise Linux Server 5.0 and 6.0

Hardware: Sun Ultra Enterprise Servers (T2000/T5220), Sunfirev880/V480/ V440) Sun workstations (Ultra 5, 10, 20,80 Blade 100,150, 2000):

Server Monitoring Tools: Nagios, Topaz, Splunk

Networking: DNS, DHCP, NFS, FTP, NIS, SSH, IP-Tables, ApacheTCP/IP

Virtualization: Openstack

Volume Management: Redhat LVM, Solaris Volume Manager

Tools: Openstack compute, Neutron, Chef, Github, Docker, apigeeJenkins, Wireshark and Dynect, Dnsmasq

PROFESSIONAL EXPERIENCE

Confidential, Alpharetta, GA

Linux/Openstack Admin

Responsibilities:

• Managing developers.att.com and resolving issue related to Api developers
• Managing the issues pertaining to apache service mix and karaf
• Troubleshooting ruby gems issues on different VM’s
• POC of crafter wif alfresco for different ATT&T sites
• Building up new Environments using neutron and Openstack nova
• Installing Apigee Edge cloud edition for exposing client API
• Getting Cassandra out of Ring for V2V migration on different hypervisor
• Troubleshooting issue in Openstack VM migrations where in Qemu image not copied well.
• Sinning up new server in environments using Openstack nova
• Configuring Docker Contianers for Jenkins as Gitlabs as when required
• Configuring Zookeeper and Cassandra nodes as when required
• Configuration and Management of Apigee gateway and all the related components
• Troubleshooting internal kernel issues and to give fix using Strace and Sysctl.
• Troubleshooting JVM related issues by enabling debugging options for java process
• Creating and updating Cookbooks for infrastructure automation on Chef
• Troubleshooting issues related to memory leaks in JVM.
• Automating requirements using Python created import module for whole project.
• Checking out updated infra code to Github and Gitlab.
• Adding users via chef, editing Databags on chef server for giving sudo access and user creation.
• Rebooting the tenants as when required using nova.
• Managing Pakages Via apt-get and yum
• Deploying Application using Jenkins
• Troubleshooting Network related issues where other end of T INC tunnel is not responding.
• Viewing and controlling the Processes running on the system and automating repetitive tasks.
• Developed the Preventive maintenance script for doing the health check of the servers
• Monitoring and suggesting remedial action based on various system level statistics (Disk I/O, Network I/O, CPU usage etc.).
• Checking and repairing file systems and monitoring file system usage.
• Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access.
• Troubleshooting NFS related issue.
• Configuring and administrating Swap space on Linux.
• Configuration and administration of various devices on Solaris and Linux
• Troubleshooting boot related problems.
• Administrating software Package like adding, deleting software packages in Solaris..
• Recovering the root password of servers
• Configuring New Server on the network
• Networking - NFS, Telnet, FTP, SSH, ifconfig
• Rebooting the system for maintenance activity
• Installing and upgrading Service Mix, Alfresco and Crafter
• Restricting the access to system via Iptables and Security Groups
• Creating and Attaching volume via nova and Cinder
• Partition and formatting hard drive and volumes as per need
• Troubleshooting Dnsmasq related issues

Environment: Openstack nova, neutron and cinder, Chef, Apigee, Ubuntu 12.04,14.04, Centos 6.5, Cassandra, Zookeeper, T inc, postgress, unicorn, nginx, haproxy, monit, apache service Mix, Dnsmaq, Github, git, Jenkins, Python, Alfresco, Crafter

Confidential, Alpharetta, GA

Sr. Linux Admin

Responsibilities:

• Building up new Environments using neutron and Openstack nova
• Installing Apigee Edge cloud edition for exposing client API
• Getting Cassandra out of Ring for V2V migration on different hypervisor
• Troubleshooting issue in Openstack VM migrations where in Qemu image not copied well.
• Sinning up new server in environments using Openstack nova
• Configuring Docker Contianers for Jenkins as Gitlabs as when required
• Configuring Zookeeper and Cassandra nodes as when required
• Configuration and Management of Apigee gateway and all the related components
• Troubleshooting internal kernel issues and to give fix using Strace and Sysctl.
• Troubleshooting JVM related issues by enabling debugging options for java process
• Creating and updating Cookbooks for infrastructure automation on Chef
• Troubleshooting issues related to memory leaks in JVM.
• Automating requirements using Python created import module for whole project.
• Checking out updated infra code to Github and Gitlab.
• Adding users via chef, editing Databags on chef server for giving sudo access and user creation.
• Rebooting the tenants as when required using nova.
• Managing Pakages Via apt-get and yum
• Deploying Application using Jenkins
• Troubleshooting Network related issues where other end of T INC tunnel is not responding.
• Viewing and controlling the Processes running on the system and automating repetitive tasks.
• Developed the Preventive maintenance script for doing the health check of the servers
• Monitoring and suggesting remedial action based on various system level statistics (Disk I/O, Network I/O, CPU usage etc.).
• Checking and repairing file systems and monitoring file system usage.
• Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access.
• Troubleshooting NFS related issue.
• Configuring and administrating Swap space on Linux.
• Configuration and administration of various devices on Solaris and Linux
• Troubleshooting boot related problems.
• Administrating software Package like adding, deleting software packages in Solaris..
• Recovering the root password of servers
• Configuring New Server on the network
• Networking - NFS, Telnet, FTP, SSH, ifconfig
• Rebooting the system for maintenance activity
• Installing and upgrading Service Mix, Alfresco and Crafter
• Restricting the access to system via Iptables and Security Groups
• Creating and Attaching volume via nova and Cinder
• Partition and formatting hard drive and volumes as per need
• Troubleshooting Dnsmasq related issues

Environment: Openstack nova, neutron and cinder, Chef, Apigee, Ubuntu 12.04,14.04, Centos 6.5, Cassandra, Zookeeper, T inc, postgress, unicorn, nginx, haproxy, monit, Dnsmaq, Github, git, Jenkins,Python

Confidential

Engineer 2nd Level Assurance

Responsibilities:

• Viewing and controlling the Processes running on the system and automating repetitive tasks.
• Implementing bash scripts for health check on servers of Confidential Charging system 4.0
• Maintaining Charging system 4.0 Confidential applications on various Linux and Solaris Servers.
• Developed a method for taking the backup in Linux RHEL 5.0 IO, a got the Best Idea Award for Q1 2013. The script has reduced the 904 ma hours for my project.
• Developed the Preventive maintenance script for doing the health check of the servers.
• Developing java codes and C codes.
• Configuring apache server for gui access.
• Performing User Administration by creating, maintaining User’s accounts and groups and setting up User environments.
• Monitoring and suggesting remedial action based on various system level statistics (Disk I/O, Network I/O, CPU usage etc.).
• Formatting and partitioning of hard disk on X86 and SPARC systems.
• Checking and repairing file systems and monitoring file system usage.
• Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access.
• Configuring audit logs in Solaris and Linux.
• Troubleshooting NFS related issue.
• Configuring and administrating Swap space on Solaris and Linux.
• Configuration and administration of various devices on Solaris and Linux.
• Troubleshooting boot related problems.
• Administrating software Package like adding, deleting software packages in Solaris..
• Recovering the root password of servers.
• Configuring New Server on the network
• User account administration and management.
• Networking - NFS, Telnet, FTP, SSH, ifconfig
• Rebooting the system for maintenance activity.
• Ensuring healthy system backup (UFS/ZFS) of various Confidential Nodes running on Solaris platform on daily basis.

Environment: Redhat EL 5/6, Solaris 9 and 10, Sun Fire V480, V490, V440, Sun Enterprise T5220, T5120, Solaris Volume Manager, Oracle 11i and Oracle Timesten

Confidential

Support Engineer (Implementation & L2 support)

Responsibilities:

• Maintaining Confidential -Cellone OTA servers for complete Confidential South Zone
• Installation & Configuration of Sun Solaris and Linux Operating System on SPARC Machines SUN Fire T5140/ X4150/T2000
• Experience in configuration of service like NFS, system package, system package and telecom related application
• Experience in scheduling incremental and full back and restore on daily, weekly basic using Legato Networker application and SUN autoloader SL24
• Experience in troubleshooting server (SPARC T5140/X4150/T2000) from maintenance mode & console/ILOM/ALOM mode
• Active member in Maintaining and troubleshooting SUN edge storage equipment like SUN edge 0 & monitoring disk usage
• Experience in VERITAS cluster and using on daily basis to provide load balancing and high availability of internet services to Confidential subscribers
• Installation of SIM related application like MYSerivePortal, DP,BUM, BOM, PUSH tool etc,
• Scheduling scripts for pushing GPRS device setting to Confidential -cellone subscribers and burning new service to SIM card. installation and troubleshooting different packages like java, apache tomcat on Linux operating system good knowledge in Unix shell scripting
• Involved member in WAP, SDP & CBC integration via PAP, Parlay-x & SMPP protocol respectively & preparing MOP/ documentation of all integrations for further reference.
• Active member in deploying Smart Trust ADPS server (Advertisement Push Server) for sending business/commercial messages to subscribers from OTA platform. Using the ADPS we can send WAP/MMS/Inbox and Flash messages to the subscribers.
• Handling complete Operations and Maintenance of OTA System, Testing and Launching New WIB Services, Report generation, Automation of Task. Customization of application on customer demand.

Environment: SUN Fire T5140/T2000/X4150/V480/V240, SUN Storage Tek 2540 SUN storage SL24/SL8 Tape autoloader, SUN Solaris 5.10, red-hat 5.1, smarttrust applications (DP,TPM,TS, MySerivcePortal, Pushtool)