SUMMARY:

• Designing, implementation and support of Linux infrastructure that utilizes both cloud based and physical servers.
• Implementing the configuration of AWS and Rackspace Cloud environment and migration of entire web application stack to the Cloud
• Advanced knowledge supporting an Infrastructure Hosting Environment, including Linux and Windows Server, Network Load Balancers.
• Devised, executed and documented disaster recovery plans and streamlined cluster failover procedures.
• Participating in the installation, patching, upgrade, repository management, code migration, monitoring, recovery, root cause analysis, and support of the Siebel CRM Application. Environments.
• Conducting research and making recommendations on products, tools, services, technologies, and standards for the Enterprise infrastructure
• Designing for automation and cloud services, resulting in 2,400+ server builds for Windows 2008 R2/2012 R2 & Oracle Enterprise and Red Hat Linux 7 & 5.7/6.5
• Leader for all infrastructure deployment (IaaS, PaaS, and SaaS) tools and Call center applications for 12000 connected users
• In - depth working knowledge of integrating LAMP (Linux, Apache, MySQL, PHP) stack for business applications
• Experience in Open stack, Puppet, Ansible and scripts to automate tasks. Troubleshoot and analyze errors in production and non-production environments to identify performance bottlenecks.
• Experience in all phases of lifecycle from requirements to implementation as well as the ability to translate a strategy into a tactical, transformational work plan.
• Experience in AIX, Confidential HACMP, and RHEL 7 with High Performance Computing center environment.
• Experience in design, implement and technical support for high end Enterprise Applications
• Strong experience in creating a Continuous Integration system using GIT, SVN, Jenkins, Ansible, Puppet full automation, Continuous Integration, faster and flawless deployments

TECHNICAL SKILLS:

Operating Systems:  Red Hat, Centos, Confidential AIX, SUN Solaris, Windows, VMWare, Microsoft clustering. Open Stack, Cloud Foundry, Docker.

Networking Products:  AFP, CFS, Firewall, SonicWALL, CISCO

RDBMS:  DB2, MS SQL Server, Oracle, Sybase, MySQL, MongoDB, NoSQL

CRM: Siebel CRM, Sugar CRM

Tools:  Percona toolkit, MySQL Utilities, Ansible, Puppet, libvirt, VMware, Microsoft Sharepoint

Languages:   Linux shell scripting, Perl, Python, Ruby, PHP

PROFESSIONAL EXPERIENCE:

Confidential

Linux and Automation Engineer 

Responsibilities:

• Oversaw engineering & testing of 20+ software packages, 50+ scripts, and 30+ operational workflows
• Responsible for Amazon EC2 Storage Management and Migration for newly created backup and recovery instances on AWS Server OS standards for Windows and Unix platforms across Siebel Call center application
• Implemented the configuration of AWS and Rackspace Cloud environment and migration of entire web application stack to the Cloud 
• Created a Continuous Integration system using GIT, SVN, Jenkins, Ansible, Puppet full automation, Continuous Integration, faster and flawless deployments.
• Automated Linux Centos, Ubuntu provisioning: Used Puppet and Ansible to build a MySQL-backed Amazon AWS EC2 application with instances for Jenkins CI, Load Balancer, DB, and Web
• Created a system capable of creating Linux based application node’s whenever required with option to provision or switch to any environment like test or production.  
• Handled multiple Production releases and patches and all successful implementation.  
• Responsible to Build, Continuous Integration, Source Code management, Merges, Application performance, Application management on production and development environment, logging, alerts, deployment, production releases and patches.
• Lead DevOps Engineer managing all aspects of SAAS availability, scaling, automation, monitoring, and deployment tools. Automation to download basic packages. Bash Shell Scripts with Python and KSH used for automating small tasks

Environment: Linux, Centos, Red hat Cluster, NFS, DNS, shell, python, Ansible, puppet.

System Administrator/ DevOps Engineer

Responsibilities: 

• Configured Red Hat Cluster Nodes for any legacy applications, Siebel and verified the daily health check on the Cluster Nodes. 
• AWS Upgrades of OS in conjunction with testing applications for compatibility, refreshing of environments and Disaster Recovery Site, Deployment Support for changes and releases 
• Implemented automation tools such as Puppet, Oracle Client, GitHub, HipChat, Jenkins, Ant and Java
• Installed and configured Red Hat Enterprise Linux 5 / 6 using kick start servers and virtual 
• Configuration of Disk partitioning and RAID levels. 
• Experienced in Disaster Recovery (DR) planning. 
• Installed and updated packages using YUM (custom YUM servers/repositories) and Red Hat Server. 
• Configured and Administered LAMP Apache, VSFTPD services, MYSQL and Tomcat. 
• Configured Mail Servers using Send mail and Postfix 
• Participated in 24x7 production on-call support of Linux and Siebel application provided technical support. 
• Configured various alerts, captured support logs and configured resource pools. 
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers. 
• Expertise in security hardening (iptables / selinux) major Production Servers, and compiling, building and installing web server based Linux tools. 
• Experience in scripting using BASH, PERL, Python Mail Server, Samba Server, and Apache Server. 
• Worked on configuring NIS, NFS, DNS, DHCP, FTP, FSTP, Telnet and RAID levels. 
• Extensive experience in network management TCP/IP, NIS, DNS, NFS, VLAN. 

Environment: RHEL 4.x/5/6,7 Solaris 9,10&11, AIX, Centos, VERITAS Volume Manager 3.x/ 4.x, Red hat Cluster, NFS, DNS, SAN/NAS, Puppet.

Confidential

System Administrator 

Responsibilities: 

• System Administrator and Production Support of various applications on Red Hat Enterprise Linux, Centos and Windows environment
• Experienced in Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware
• Experience in Installing, configuring and maintaining Siebel, Confidential Optim, Web Sphere & Web Logic Application Servers, Nagios and Puppet. 
• Supported AWS Cloud, Rackspace and Google cloud environment with 250+ AWS instances and configured IP & Storage, load balancer, CDN and also experience working on implemented security groups
• Experience in MySQL includes Optimization, advanced indexing, Storage Engines and migration, scaling, backup and recovery, MySQL performance Monitoring, Database health and security.  MySQL Stored procedures and functions
• Efficiency in installing, configuring and implementing the LVM, and RAID Technologies using various tools like Veritas volume manager, Solaris volume manager
• Experienced in implementing DevOp Puppet, Ruby, JIRA, HipChat, Jenkins
• Experience in Installing and configuring LAMP servers like Apache/Tomcat/MySQL/PHP. 
• Experience in Installing and configuring Mail Servers using Send mail and Postfix. 
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients. 
• Provided server administration, shell scripting, software installation and Linux server configuration, utilizing LAMP
• Installation and configuring of Linux, Apache, PHP and MySQL, in Windows environment and using various command line editors such as VI or VIM. Install GIT Hub and using GIT scripting for Version Control management of changes to files over time.
• Migrated and ported AIX application to Linux operating systems and application software in a design and architecture capacity.
• Strong technical and hands on experience with engineering, qualifying, integrating and transitioning to production Operating System builds and patch packages for Solaris 10/9, Red Hat, Centos, HP and third party tools
• Troubleshooting and/or development experience with REST API's and CLI tools related to IaaS and PaaS.
• Automation script of early performance detection enterprise application with 20000 users.
• UNIX and Linux subject matter expert for porting application and migration project.
• Participated in system and code performance tuning to improve the reliability
• As the SME, working directly with the Oracle and Red Hat, I was responsible for requirements gathering, design, testing and deployment of CRM Application.
• Performance Analysis and Tuning, Capacity Planning of AIX, Linux and Windows servers.
• Linux / VMWare Administrator and ESX VMware virtualization
• Participated in implementing security challenges and best software implementation practices
• Security consultant responsible for hardening hosts against intrusion according to government and security industry best practices.
• Led system administrators and provide hands on technical support with technical architect work.
• Excellent people skills with an ability to interact with customers, developers, colleagues, and cross-functional teams
• Customer support and services experience in a  Web  Hosting/Cloud Services environment

Confidential

Responsibilities:

• Participated in 24x7 production on-call support of Linux and Siebel application provided technical support. 
• Strong knowledge of network and server technologies including firewalls, FTP, DNS, Apache, Siebel, AIX and DB2.
• Designed infrastructure and script based on policy to scale to 10,000 hosts in a mixed Linux, Solaris and AIX environment
• Designed, installed, configured, maintained, analyzed, and resolved problems with application and operating system and servers.
• Experience in systems architect with the ability to delegate complex tasks, estimate the length of time to complete tasks and to define and document requirements.
• Extensive knowledge and experience supporting and troubleshooting Linux (Redhat, AIX) and the underlying networking application and stacks.
• Demonstrated understanding of highly scalable systems and architectures.
• Installation, Configuration and Administration of AIX, HACMP 4.5
• Responsible for Administration of 150 AIX Production, Integration & Development servers including DB2 Environment.
• Configuration and administration of HACMP 5.1.
• Performed System Administration tasks and ensuring 24*7 System Support for the mission critical Data in production Environment.
• Developed plans and budgets for the organizations information technology infrastructure and for the integration of information technology into its property management and administrative activities.
• Ensured the Systems and Data Backups on Daily and weekly Basis using Tsm and crontab
• Disk Management using LVM, Volume Groups, user management, System performance tuning and troubleshooting, Managing and monitoring Systems, Hosts, Networks and Disk & File System management
• Responsible, on an ongoing basis, for 1) tasks and activities typically relating to network monitoring, operations, installation, and/or maintenance for local, off-site and/or remote locations and (2) serves as technical lead on a functional basis, providing a resource of strong expertise for the resolution of complex network problems.
• Installed and configured Confidential HACMP for Configuration of 2 Node, 3 Node cluster with rotating and cascading resource groups and event monitoring, auto mount for NFS, Tivoli, NIS,DNS, FTP, NIS+, TCP/IP.