PROFESSIONAL SUMMARY:

• 9+years of in depth technical functional and managerial experience with a will do attitude. I have implemented and managed IT infrastructure solutions to augment business requirements which are scalable, cost effective and secure.
• I have been a person with a good risk appetite, integrity, accountability, loyalty and commitment.
• Manage deployment, maintenance, support and upgrade of servers, hardware, software, operating systemsin server environment.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Worked on Data - Center operation and migration across UNIX and LINUX platforms.
• Experienced in implementing and maintaining an Apache Tomcat/MySQL/PHP, LDAP, LAMP web service environment.
• Strong understanding of LAMP stack and support of web applications and supporting components such as apache/tomcat/memcache.
• Maintenance level upgrades and software administration RPM installation on Linux.
• Installation and up gradation of Packages and Patches configuration mgmt., version control, service pack. & reviewing connectivity issue regarding security problem.
• Experience in configuration ofDNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, remote access, security management and Security trouble shooting skills.
• Experience with F5 load balancers to provide Land Balancing towards Access layer from core layer and configuring F5 LTM both by GUI andTMSH/CLI and Cisco load balancers.
• Configuring devices through the CLI (Big Pipe/TMSH) and GUI, upgrading the OS, configuring the appliance, troubleshooting, and configuration updates.
• Installation and configuration of java application servers JBoss, WebSphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Deploying and configuring JBoss application server, using an updated version of java development kit (JDK), in both source and binary format, for developing java applications, web applications and services.
• System installation,databasebackup and recovery, maintain user accounts, patch installation, network configuration and troubleshooting software, hardware and network problems of the Solaris 10 UNIX.
• Integrate and Test New Software, patches and create Technical Documentation on UNIX and Windows platform.
• Integrated Imagery & Intelligence Systems, responsible for 24/7 operability, Unix/Windows software and system upgrades and the configuration of data flow to and from worldwide customers.
• Experience in configuring HP ProLiant servers and managing NAS / SAN technology.
• Experience in Installing, upgrading and configuring Red Hat Linux 4.x, 5.x,6.x and 7.x using Kickstart Servers and production support on various applications likeSunSolaris, Redhat Enterprise Linux Environment.
• Experience in creating and managing user accounts, security, rights, disk space and process monitoring in Solaris and Red Hat Linux.
• Proficiency in writing automation scripts using Chef, Puppet, Shell and PowerShell to support infrastructure as code and continuous deployment.
• Experience in Installing, configuring and maintaining Samba,WebSphere & WebLogic Application Servers, Nagios and Chef.
• Extensively worked with automation tools like Hudson, Jenkins and Build Forge to implement the End-to-End Automation.
• Installed/Configured/Managed Jenkins Continuous Integration and Continuous Deployment.
• Strong proficiency in supporting Production Cloud Environments (AWS, Azure, and VMWare) as well as traditional managed hosted environments.
• Created Python Scripts to Automate AWS services which include web servers, ELB, Cloud front Distribution, database, EC2 and database security groups, S3 bucket and application.
• Experience using cloud providers and API’s for Amazon Web Services (AWS) with Cloud Sigma (EU).
• Installation of Python and setting up SSH connection on remote nodes for configuring, managing and deploying software application on the nodes, using a powerful automation software called Ansible.
• Experience in writing Shell scripts to automate the Administrative tasks and management using corn jobs.
• Experience in implementing disaster recovery plans and participated in Disaster Recovery testing.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Ruby, Python & Perl scripts, along with RegEX for auditing.
• Assist in the UAT testing ofuDeployand Jenkins tools also worked on Jenkins to create builds, and pass new builds to IBM Urban code/Udeployfor deployment.
• Maintain and deploy the artifactsuDeployrelease build and produce products for testing and use in production.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP).
• Centralmanagementof all NetBackup enterprise servers using NetBackup operations.
• Install and configure NetBackup Clients on Solaris 10, Redhat 5.2 & on Windows 2008 and setup backups policies for Oracle and SQL databases.
• Coordinated the configuration and management of backups for Enterprise Vaults using NetBackup.
• Provided secure transfer of files, from web browser and web servers using secure socket layer (SSL).
• Hands on Experience in LinuxadministrationSupport,Performancetuning& monitoring, problem analysis & resolution.
• Experience in setting up network environment using NFS, NIS and LDAP.
• Monitored and maintained Active directory, creation of new user accounts, shared Mailbox and calendar accounts. Create NAS volumes, CIFS shares, Snapshot, NDMP databackup direct to tape.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on-call support.
• Experience configuring and managing Puppet master server and experience in updating and creating modules and pushing them to puppet clients.
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH.
• Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
• Experience in Creating and maintaininguser accounts, profiles,security, rights, disk spaceandprocess monitoring.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Worked on Firewall implementation &Load balancer between various Windows servers.
• Ability to write Shell & Perl scripting and worked on Splunk for generating various metrics
• Excellent analytical, problem solving, communication and interpersonal skills.
• Implemented set of process and services in active directory.
• Ability to multi task, meets deadlines, quickly adapt to different environments and work with different team sizes across geographical locations.
• Self-motivated team player with excellent verbal and writing communication skills.
• Exposed to all aspects of software development life cycle (SDLC) such as Analysis, Planning, Developing, Testing, implementing and Post-production analysis of the projects.
• Experience in using version controller tools like Subversion (SVN), GIT HUB and GIT.
• Expertise in Linux, AIX, UNIX, Solaris administration and support.

TECHNICAL SKILLS:

Operating Systems: RHEL 3/4/5, Sun Solaris v8,9, 10/11, Ubuntu v 6.10, IBM-AIX 5.X, P850, zVM Windows 2003, 2008, 2012

Scripting Language: Perl scripting, Shell scripting, Bash scripting, Python, Ruby and VB script.

Software: Veritas Volume Manager 3.5/4/5, Veritas File System,Veritas Cluster Server 3.5, Veritas NetBackup 6.0, MS-Office/MS-Project.

Web/ Application Server: Tomcat, WebSphere ND, WebLogic, WebSphere Liberty

Database: SQL, Oracle, DB2.

Tools: ANT, Maven, Hudson/Jenkins, Chef, Puppet, Ansible, Build Forge

Storage: EMC, XIO.

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, net stat, NFS, NIS, nslookup, OSPF, BGP, TCP/IP, and TCP dump, FTP, TFTP.

Cloud: AWS EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Formation AWS configuration, S3, Cloud Trail, IAM. VMWare.

Cluster Environment: Sun Cluster Servers 2.2, 3.1, 3.2 and VERITAS Cluster Servers 4.1, AIX oracle clustering, ASM.

Version Control Tools: CVS, SVN, IBM Rational Clear Case, GIT, bit bucket.

Terminal Services: Remote Desktop Services, VNC, Putty, Tera Term, Team Viewer, Citrix.

Programming Languages: C, SQL, HTML, PHP, XML, Bash, Perl and Shell Programming, Pythonand Ruby.

Backup Management: Veritas Net backup 4.x/5.x/6.x, TAR, Tivoli, Symantec NetBackup 7.x

Other tools: VMware VSphere, ESX/ESXi, VCenter Server, Splunk and Nagios.

PROFESSIONAL EXPERIENCE:

Confidential, MI

Sr. Linux Engineer /AWS Cloud Engineer

Responsibilities:

• Responsible for migration oflegacy on-prem applications to AWS cloud infrastructure.
• Designing existing applications which are running on UNIX/RISC and mainframe architecture to intel-based solutions.
• Created migration strategy to move application to AWS cloud.
• Created and implemented highly scalability and availability solution for cloud-based applications.
• Design and Implemented DevOps pipeline where infrastructure build, and application deployment is automated.
• Implemented Auto scaling between two availability zones for highly redundant infrastructure.
• Configuration and Administration of NFS, NIS, and DNS inLINUXenvironment.
• Implemented file sharing on network by configuring NFS on the system to share essential resources
• Troubleshooting and resolving network issues Deployed and monitored scalable infrastructure on Amazon web services (AWS) using configuration management tool usingAnsible.
• UsedAnsibleto manage Web Applications, Config Files, Database, Commands, Users Mount Points, and Packages.
• Responsible for Installing, configuring, and supporting Apache Tomcat server, WebSphere application server and http webserver using Ansible.
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes and EC2 instances.
• Migrated Mainframe Db2 database to RDS - Amazon Aurora.
• Created Jenkins pipeline to deploy COTS product on AWS infrastructure by automated way using Ansible.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) and CI/CD in Agile.
• Experience with SaaS (Software as a Service), PaaS (Platform as a Service) & IaaS (Infrastructure as a Service).
• Involved in all projects that move to production and work closely with the Data Center, Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes.
• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Performed installation, configuration, upgrades, Package administration and support forLinuxSystems on client side using Redhat satellite network server.
• Implemented file sharing on network by configuring NFS on the system to share essential resources
• Troubleshooting and resolving network issues
• Worked on Red HatLinuxinstallation, configuring and maintenance of applications on this environment.

Environment: AWS, RDS, SolarWinds, WebSphere, Tomcat, IBM HTTP, Ansible, Jenkins, bitbucket, terraform, EC2, Linux, windows.

Confidential, Folsom, CA

Linux/AIX Infrastructure Build Engineer

Responsibilities:

• Administration of Linux/AIX servers which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual servers.
• Used Kick Start Server to initiate installation of Red hatLinuxon several machines at once.
• Responsible for creating a Linux server with OVF template.
• Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
• Setting up SSH, SCP, SFTP connectivity betweenLinuxhosts.
• Built servers and installed applications as per BSC standards and requirement.
• Trouble shooting Issues with the LiveLinuxand Application servers.
• ManagedLinuxbased Application Filesystemmanagement across the data centers.
• Monitored theLinuxservers regularly and performed troubleshooting steps.
• Maintained necessary backups of important files and documented scripts for future .
• Documenting the Application Process and Procedures.
• Adding resources to existing Virtual Servers including Memory, additional hard disk space, NIC card etc.
• Successful implementation and configuration of the ESX servers to existing NAS devices.
• Created ASM disk on both Linux and AIX machines and setup a cluster node among different machines.
• Experience in installing AIX Base Operating System on pSeries machines (New and Overwrite, Preservation and Migration installation) on New and existing LPARs.
• Created and configured standard and Virtual I/O LPARs, managing resources, patching, upgrading, monitoring, performance/tuning and problem determination/resolution
• Responsible for creating two, three & four nodes oracle RAC (ASM) cluster in AIX
• Worked on pureapp server’s major responsibility on pureapp servers is to do the hardening of the server and check the server is according to BSC standard.
• Written various bash scripts and ruby scripts to automate different process.
• Responsible for installing the different clients such as Splunk, Tivoli, NetBackup etc
• Performed day to day tasks of Linux System Administrator.
• Experience working with hardware team on racking new hardware and removing old servers from Datacenter.
• Manage users using centralized login access called IPA. Reserved IPs using infoblox and added appropriately in Men & Mice.
• Experience working with monitoring team, which includes working on monitoring agent such as Splunk, Tivoli, opnet etc to monitor activities going on in server.
• Once build is completed perform QA on both Linux /AIX servers to check the servers are according to BSC standard and troubleshoot issues accordingly.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP and SMTP.
• Installed/Configured the Web Sphere server; Managed tuning and performance of high profile applications running on them.
• Created an app in nodejs to start and stop web sphere server (JVM) from the browser without logging into the server.
• Applied appropriate support packages and Vulnerability patching onLinuxboxes to maintain system Integrity using YUM.
• Experience in configuring IP Bonding inLinux/UNIX environment.
• TroubleshootingLinuxnetwork and security related issues.
• Worked on installation and configuration ofDevOpsAutomation Tool Puppet.
• WrotePuppetmanifests for deploying, configuring, install shield and managing collected for metric collection and monitoring.
• Applied OS patching, fixing bugs, by writing shell scripts, createpuppetmanifest and apply it
• Responsible for automating and improving infrastructure, usingPuppetfor configuration
• DeployedPuppet,Puppetdashboard for configuration management to existing infrastructure.
• Designed Puppet Modules to manage configurations and automate installation process.

Environment: ESX 5.5, Red hat 6, AIX, NAS, SAN, XIO, oracle, DB2, VMware HA, VMware DRS Clusters, puppet, python, bash, ruby, pureapp. Men & Mice, infoblox, IPA.

Confidential, Coraopolis, PA

System Admin/DevOps Engineer

Responsibilities:

• Responsible for managing approximately 4000 Red Hat Linux, HP-Unix and some handful of Solaris client Server in a fast-paced demanding environment.
• Handled various storage devices, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Written various Shell scripts using ksh, bash, and perl for process automation of databases, applications, backup and scheduling.
• Performed administrative tasks such as System startup/shutdown, Backup strategy, Printing, Documentation, User Management, Network management, dumb terminals and devices.
• ConfiguredSplunkSearching and Reporting modules, Knowledge Objects, Administration, Regex, Dashboards, Clustering and Forwarder Management.
• Strong understanding ofJAVAproject structures.
• Conduct systems design, feasibility and cost studies and recommend cost-effective cloud solutions such as Amazon Web Services (AWS).
• Responsible for Design of different Release Environments for new projects.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Migrated applications to the AWS cloud.
• Using Jenkins AWS Code Deploy plugin to deploy AWS.
• Defining Release Process & Policy for projects early in SDLC.
• Member of CCM representing changes for Release and environment configuration
• Responsible for Database build, release and configuration
• Responsible for nightly and weekly builds for different modules.
• Configured Elastic Load Balancers with EC2 Auto scaling groups
• Created multi AZ VPC instances
• Work with different team members for automation of Release components.
• Used to write an install script in Ruby using all of the extra helper functions from Chef.
• Using Chef and AWS allowed me to reduce costs for the department and eliminate unwarranted resources.
• Implemented theChefSoftware setup and configuration on VM's from the scratch and deployed the run-list intochef-server and bootstrap thechefclients remotely.
• Used existing cookbooks fromChefMarketplace and customizing the recipes with respect to each VM.
• Customized changes in Data Bags, Roles and Recipes.
• Involved in searching node attributes using Knife.
• Deploying the cookbooks, recipes using knife tool fromChef-DK Workstation toChef-server
• Created user, rpm packages and patch management & configuration implementations.
• Responsible for maintaining the run list onchef-server.
• Involved in writing recipes and cookbooks for configuration management to manage EC2 (Elastic Compute Cloud) instances running on "Amazon Web Services" (AWS), part of the project "Deployment Automation Using Chef".
• Imported and managed multiple corporate applications into GitHub code management repo.
• Used Jenkins for Continuous Integration and deployment into Tomcat Application Server.
• Interacting with customer/client on daily basis, gathering their requirement and providing best solution to meet their objective.
• Working on enhancing the old scripts by adding new functionality and bug fixes.
• Server migration and up gradation as per need of the customer and application.
• Create, manage and troubleshoot LVM.
• Providing Continuous Planning, Configuration, Build, Release, Deployment and Monitoring solution using tools right for the applicationinquestion. Helping the development and operations team onboard onto automated solutions up to Production.
• Responsible for creating original scripts for generating statistics for monitoring production PostgreSQLdatabases.
• Designed, developed and maintainedPostgreSQLdatabase architecture.
• Highly involvedinConfiguring and monitoring distributed and multi-platform servers using chef.
• Implemented Continuous delivery by usingCheffor deploying Docker containers

Environment: RHEL 5.x, 6.x, 7.x, Chef, AWS, Shell/Perl Scripts, Ruby, GIT, Jenkins, Tomcat, Jira, Maven, Splunk, Nagios.

Confidential, Houston,TX

Sr System Admin

Responsibilities:

• Installed, configured and managed approx 1500 servers.
• Worked mostly on Redhat Linux environment 5.x and 6.x by installing, configuring and troubleshooting Apache Tomcat 7.x in a clustered environment where the application is build.
• Managed and Configured HDS arrays AMS 1000, AMS 2500, USPV using Storage Navigator and Device Manager.
• Perform patch management on LAMP Stack that is deployed on top of RHEL v6.
• Installed and Configured HDLM software on UNIX and Windows servers.
• Migrating Data at host level using RHEL and VERITAS LVM from USP to USPV arrays.
• Performed installation, configuration and management of JBoss 5.x application server on Linux and Solaris servers.
• Involved in merging java codes to the latest release and deploying it to generate various kinds of reports.
• Creation of Virtual Servers (VMware ESX 5.1) using a process document.
• Adding resources to existing Virtual Servers including Memory, additional hard disk space, NIC card etc.
• Worked with Microsoft's Account Lockout and Management tools and PowerShell scripting to diagnosis and troubleshoot account lockouts issues.
• Responsible for Data integrity included all aspects of backup/restores for fileservers and exchange servers respectively utilizing Veritas Backup.
• WorkwithIdentity Access Management program
• Audit and review user accounts/systems/applications
• Monitor, coordinate and process security-related service requests
• Interfacewithuser community to understand their security access needs and implements procedures to accommodate them.
• Created playbooks for OpenStack deployments and bug fixes withAnsible.
• Responsible for writing Ansibleplaybooks which is the entry point forAnsibleprovisioning, where the automation is defined through tasks using YAML format. RunAnsibleScripts to provision Dev servers.
• Experience in creating inventory, job templates and scheduling jobs usingAnsibleTower.
• Experience in Writing Python modules forAnsiblecustomizations.
• Managed and maintained back office infrastructure servers DNS, WINS, DHCP.
• Supporting and maintaining antivirus products as well as host based firewalls.
• Installed and configured print servers, local and network printers to workstations.
• Decommission of VMware Virtual Servers using IS best practices.
• Accountable for technical issue resolution including diagnosis of problem, workarounds, and providing solution.
• Responsible for administration of network workstations, help desk, hardware inventory, software inventory, network mapping, equipment purchasing, and software purchasing.
• Assist in ensuring 24x7 availability of key services in the IT infrastructure by participating in an on-call rotation and occasional night/weekend work.
• Various reports are being shared on daily/weekly/monthly basis with management and client as well to have goodVisibility of the environment.
• Monthly restart of all servers after patches deployment and ensuring their availability.
• Coordination with hardware vendors for fixing issues related to server hardware.
• Written various Shell scripts (ksh, bash) to automate system administration jobs.

Environment: Solaris 9/10, RHEL 5.x, 6.x, Sun T2000, M4K, M8K, T5140, T5240 Sun Firev890, Sun Firev440, Sun Firev490, HP-ProLiant, Lamp, VERITAS Volume Manager, Ansible, VCS, SVM, VMware ESX, Azure.

Confidential

Linux Systems Administrator

Responsibilities:

• Setup company’s servers, network and workstations in windows and Ubuntu.
• Performed installation, configuration and management of Linux, Solaris and Windows servers.
• Maintained all computer equipment & peripherals.
• Administered cross-platform Network (Linux and Windows).
• Installation and Configuration of new server hardware.
• Installed and configured windows server 2000.and windows 2003 server.
• Designing, configuring, implementing and managing DHCP, DNS servers.
• Defining and implementing user configurations and policies.
• Automated several administrative tasks.
• Adding/deleting/modifying user account information.
• Creating security policies.
• Collaborated with various application groups daily to manage access management. Configured and maintainedNetIQ/NovellIdentity Manager (IAM/IDM) utilizing Red Hat Linux Advanced Server while producing, reviewing functional and design specs.
• Supporting and maintaining antivirus products as well as host-based firewalls.
• Designing, implementing and managing disaster recovery and backup process.
• Documenting all the network, server and resources configurations.
• Backup files and tweak the system & network for optimal performance.
• Managed system and network disaster recovery plans.
• Conducted basic computer to employees.
• Identified issues with theNetBackupproduct, environment issues including resources, performance, setting up a plan of action and next step with the customer.
• Documenting cases, troubleshooting steps and resolution to case management software
• Provided hardware and software updates.
• Provided system and network security.
• Assisted in computerized accounting and auditing.

Environment: Windows NT/2003, Red hat Linux, CentOS, NetBackup, LAN, WAN, Free BSD, Apache.