SUMMARY

• A proficient computing professional 8 years of experience in Information Technology with experience of UNIX Administration (Red Hat Linux, SUSE Linux, CENTOS, Solaris, HP - UX, IBM AIX), Windows Server administration,Network, Storage, and VMware, VERITAS Volume Manager(VXVM), VERITAS Cluster Services(VCS) covering various issues such as installation, configuration, troubleshooting, support IT.
• Good Experience in AWS Cloud computing and Software Packaging and DevOPs tools like Chef, Jenkins and Ansible.
• Worked in infrastructure team on installation, configuration and administration of RHEL 5.x/6.x/7, SUSE Linux, CentOS 5.x/6.x and IBM AIX 6.x/7.x
• Experience in Package Management using Red Hat RPM/YUM.
• Experience in System Administration, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Backup, Disaster Recovery and Performance Monitoringon UNIX Red Hat Linux Systems.
• Worked on VMware ESXi 5.1/5.5 vCenter Server services and performed vMotion and storage move and updating VMware tools by using manual method and using updating manager.
• Managed all the bugs and changes into a production environment using the Jira tracking tool.
• Experience NIC bonding configuration in Linux systems to increase the bandwidth or redundancy based on requirement by the application.
• Experience in implementation and maintenance of Httpd, NFS and FTP skills.
• Experience in installation and configuration of volume management using VERITAS Volume Manager 5.1/6.0
• Experience in Backup Tools like Veritas NetBackup.
• Installed and configured Tripwire Security tool in all QA, UAT and Production environments.
• Installed and configured Imperva database monitoring tools in all database servers.
• Knowledge in writing Shell and Bash Scripts.
• Day to day administration of Production, QA, Development and Test environment systems. 24x7 on-call support.
• Service Requests, Incident, Problem, Change & Configuration Management Unix servers.
• Excellent in configuring NIS, NIS+, NFS, SMTP, DNS, DHCP, Mail Server, LDAP, Apache, Tomcat and Samba Server in a heterogeneous environment.
• Experience in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager (VxVM), Solaris volume management (SVM), Logical Volume manager (LVM) File system Tuning and growing.
• Implemented and enhanced UNIX shell scripts using Korn, C Shell, Bash and Perl Scripting.
• Experience in UNIX Performance monitoring and kernel tuning and Load balancing.
• Good experience on ticketing tools like Service Now, service manager and PPMC.
• Implementation and development of AWS proof of concept for application migration to cloud.
• Extensive experience in automating building servers using Jumpstart, Ignite, Kick-start and AWS console.
• Experience in multiple AWS services ranging from IAM, EC2, Storage (S3, EFS, Glacier), Networking (VPC, Cloudfront, Route 53), Kinesis, management Tools (CloudWatch, Cloud Formation) etc.
• Experience in configuration management using tools like Chef, ansible and AWS user data.
• Patch Management and Backup Management for Red hat Linux.
• Setting up and maintaining Continuous Integration Server, Jenkins. nAWSEC2, EBS, Trusted Advisor, S3, Cloud Watch, Cloud Front, IAM, Security Groups, Auto-Scaling.
• Experience in working with the Version Control Systems such as Git, Git-Hub.

TECHNICAL SKILLS

Operating systems: Red Hat Linux (RHEL 3/4/5/6), SUSE (9/10), Cent OS (5.x,6.x,7.x),Solaris 10/9/8, HP-UX (11.11, 11.23, 11.31), IBM AIX (5.1, 5.3),, Windows 2003/vista, 7,8,10.

DevOps Tools: Chef, Puppet, Jenkins,Ansible, Docker

Cloud Platforms: AWS, VMware ESXi and Having knowledge on Openstack.

Server Hardware: HP ProLiant DL 585/360/385/585 G2, Sun Fire 3800/4800/6800 , IBM e-Server Regatta P690, P570, RS6000, IBM/HP/DELL Blade Servers.

Networking: TCP/IP, NFS, AutoFS, NIS, DNS, DHCP, LAN, WAN

Storage hardware: Brocade FC Switches, Net App Filers, Qlogic and Emulex FC HBAs, iSCSI/ FC Storage arrays, RAID Storage arrays, DLT and LTO Tape Libraries, Hitachi enterprise systems.

Cluster Solutions: VCS 4.0 & 5.0 with CFS & GCO, Redhat Cluster Suite.

Virtualization Tools: VMware Security

Scripting language: Linux Shell Scripting and Python, ruby(Learning stage).

Ticketing Tools: Remedy, Service now, Service Manager and Falcon.

Protocols: TCP/IP, UDP RIP, SOAP, EIGRP, IGRP, SNMP, SMTP, TELNET, HTTP

PROFESSIONAL EXPERIENCE

Sr.Systems Engineer

Confidential, PA

Responsibilities:

• Working as a Linux Engineer for a team that involves three different development teams and multiple simultaneous software releases.
• Working on migration from Physical to AWS cloud by using snow ball.
• Worked actively on Priority Incidents, changes, break fixes and data center power maintenances
• Installing RHEL 5, 6 and 7, SUSE, CentOS instances on Ec2 and working on updating AMIs.
• Configure, monitor and automate Amazon Web Services as well as involved in deploying the content cloud platform on Amazon Web Services using EC2, S3 and EBS.
• Installing Ec2 instances as per the requirement and working on performance tuning.
• Creating S3 buckets and maintained and utilized the policy management of S3 buckets and Glacier for storage and backup on AWS.
• Deploys and maintains high performance computing clusters on AWS by using cfncluster
• Maintaining EC2 and networking components with cfncluster
• Experience in creating notifications and alarms for EC2 instances using Solarwinds.
• Installing Centrify on ec2 instances and providing access to the users by adding them in Zones.
• Involved in setting up builds using Ansible as a configuration management tool and managed the configurations of more than 40 servers.
• Having experience on writing cookbooks/playbooks and to automate the infrastructure by using CM tools (Chef, Ansible)
• Experience in using Dockers Swarm and deployed spring boot applications.
• Good knowledge of AWS services like Glacier, ELB (Load Balancers), RDS, SNS, SWF, and IAM and hands on experience on Amazon Web Services (AWS) provision.
• Wrote shell scripts for pushing data from Database to scheduling Queues.
• Installing Avamar backup agents on all servers by using scripts and playbooks
• Implemented software release management strategies for various applications according to agile process.

Consultant

Confidential

Responsibilities:

• Installation, configuration and administration of RHEL 5.x/6.x/7, CentOS 5.x/6.x.
• Worked for CentOS project and installed CentOS 7.0 in more them 100 servers by using Kickstart method.
• Working on Server build’s tickets and installing project required software’s.
• User Administration - User accounts - adding / removing / locking or unlocking a user account.
• User Groups - changing user’s login group; adding or changing groups; Password - changing a user password or password parameters.
• Providing super user privileges to application team as the requirements.
• Modifying user ulimit settings and nice values as the application team requirement.
• Configuration of LVM in Redhat Enterprise servers.
• Adding/removing failed disk’s from LVM ad extending/reducing Logical volumes size.
• Troubleshooting disk related issues, which are control by LVM.
• Installing security updates in RHEL, Centos and SUSE by using yum and rpm.
• LINUX system Performance monitoring using SAR, PS, NETSTAT, TOP and used Nimsoft for graphical reports.
• AWS cloud infrastructure service provisioning, managing and monitoring as per project requirements.
• Launching EC2 Instances with an available AMI like of RHEL 5.x/6.x/7, CentOS 5.x/6.x.
• Installing and administrating monitoring tools such as Nagios and Solarwinds.
• Installing McAfee Antivirus on Redhat Linux, CentOS and Suse EC2 Instances, Managing from EPO Console.
• Implemented and maintained Chef Configuration management spanning several environments in VMware and theAWScloud.
• Written Chef Cookbooks for Server and DB configurations to modularize and optimize product configuration, converting production support scripts to Chef Recipes andAWSserver provisioning using Chef Recipes.
• Supporting to the App team for writing cookbooks for zero-downtime installation, upgrade, downgrade, and uninstall processes (Oracle, Postgres and Apache).
• Created Terraform scripts for EC2 instances, Elastic Load balancers and S3 buckets.
• Engaging and assisting clients for infrastructure setup of live environments.
• Writing shell scripts for build and deploying releases to the new and existing environments
• Installing Oracle Database and deploying Oracle Seibel application and moved to Production.
• Experienced in configuration, maintenance, security hardening & troubleshooting on Red Hat Enterprise Linux, CentOS, Ubuntu, and Amazon Linux.
• Setting up and maintaining Continuous Integration Server, Jenkins.
• As part of continuously delivering Agile team, develop, test, and deploy Data platform features Develop ongoing test automation using Chef, Python based framework Using Ansible to Setup/teardown of ELK stack (ElasticSearch, Logstash, Kibana).
• Managing the ESXi servers using the vSphere client and Vcenter for managing the multiple ESXi servers
• Building the Red hat Linux, Cent OS 5.x,6.x server in VMware ESX client through vSphere client.
• Storage mapping on RHEL, Cent OS instances and create the Volume group, Filesystems using Logical Volume manager .
• Experience working on several Docker components like Docker Engine, Docker-Hub, Docker-Compose, Docker Registry and Docker Swam.
• Experienced with release engineering, configuration management in Tomcat web application environment and worked on issues like heap and non-heap memory.
• Integrated GIT into Jenkins to automate the code check-out process. Defining Release Process & Policy for projects early in S

Environment: GIT, Apache ANT, Maven, Jenkins, Apache Tomcat, Shell Script, Docker, Bash Script Unix/Linux, Python, AWS, Web Sphere, VMware Virtualization, chef, Centrify, LDAP, Apache Tomcat.

Linux Systems Engineer

Confidential

Responsibilities:

• Day to day Linux, Solaris server operations worked on expedite and emergency Change management
• OS Patching, OS migrations, Disk, File System, Memory, CPU core and Process Management,
• FSLV management on Linux, AIX, Solaris ( File system logical volumes).
• Worked on vSphere client to support Linux OS operations.
• Troubleshoot the issues at server level (Physical & Virtual VMware ).
• Install and Configure Red Hat Linux servers with Kickstart method.
• Hands-on experience on Linux patching and OS migration from RHEL 5 to 6
• Worked on HP,DELL and IBM servers.
• Experience on tools such as HP Service Manager, PPMc, SRM client.
• Installing and upgrading VxFS, VCS. Creating and managing Vxfs and VCS resources.
• Installing and configuring VAS tools in newly built servers in UNIX Environment.
• Joining Linux/AIX servers into VAS domain.
• Providing UNIX servers access by adding users into account into VAS user allow file or adding user into VAS groups.
• Troubleshooting AD issues like Servers disconnected and users unable to login.
• Experience in Creation and managing user accounts,security, rights, disk space and process monitoring RedhatLinux.
• Support Jenkins environment for application deployment.
• Installation and upgradation of Packages and Patches configuration mgmt, version control, service pack.
• Reviewing connectivity issue regardingsecurityproblem.
• Securitymanagement andSecuritytrouble shooting skills.
• Created and maintained user's accounts, profiles,security, rights disk space and process monitoring.
• Experience in configuration of NFS. DNS, LDAP, HTTP, DHCP, ftp, remote access management andsecuritytrouble shooting skills.
• OS lever upgrade and migration from lower to higher releases on Physical and virtual servers.
• Worked on Configuring Yum repo and enable the RHN subscription from the satellite server.
• Analyzing Linux Server alerts and Troubleshooting issues and performance tuning.
• Root cause analysis for unexpected outages and system crash.
• VCS Cluster Build/Configuration, Upgrade add/remove resource & service Fail over/Fail Back
• Working on V2V migrations, Upgrading memory and CPUs on VMware ESX.
• Centralizing the administration of network by configuring and managing, naming and network services like NIS, DNS, automounts and NFS.
• Worked with Storage team from OS side for NAS migrations projects.
• Worked on scripting/automation for various small projects.
• Job scheduling by using AT, CRONTAB to run scripts periodically for alerting, automatic
• Implementing replicating & managing DHCP servers and configuring in client side.
• Worked on OS upgrades, Hosts rebuild Linux/Solaris and Decommissioning hosts.
• Experience on Configuring Selinux to set of security policies.
• Worked collaboratively to manage build outs of large data clusters.
• Working on Blade logic Servers.
• ITIL framework operations.
• Expertise in installing and configuring services in Redhat Open Stack., such as NOVA,Neutron, Keystone, Cinder and Glance.

Environment: Red hat Linux 5/6, Disk partitioning, VMware Virtualization, gzip and bzip2, Cron Jobs, HP Proliant servers, Veritas Volume Manager, Samba, NFS, NIS, LVM, Nagios & splunk Monitoring, AWS, Chef, PHP, SQL,Openstack.

Sr.Technical Executive

Confidential

Responsibilities:

• Linux Administration, Deployment of open source software and Support
• Worked in UNIX operations team, scheduling (Dev, QA & Prod ) releases, and managing servers on UNIX infrastructure and maintaining SLA
• Performance analysis, patch up-gradation of releases on UNIX platform .
• User creation/modification and assigning permissions to the users.
• Worked actively on Incidents, changes, break fixes and data center power maintenances.
• Configured and allot of storage for servers using NAS and SAN
• Schedule changes as a part of change/release Management
• Part of Incident Management Team involves work on Production/QA servers and its outages
• User Administration - User accounts - adding / removing / locking or unlocking a user account.
• User Groups - changing user’s login group; adding or changing groups; Password - changing a user password or password parameters.
• Disk space monitoring using the DU.
• LINUX system Performance monitoring using SAR, PS, NETSTAT, TOP etc.
• Maintaining remote servers and remote applications SSH, SCP and telnet.
• Configuration of LVM in Redhat Enterprise servers.
• Troubleshooting disk related issues and which are under control by LVM.
• Troubleshooting and Assigning NetApp filer Volume into Linux server.
• Installation, configuration & maintenance of different Network printers in the office environment.
• Configuration and managing Symantec VCS cluster.
• Adding/removing VCS resources
• Providing RCA on Application resource failed/failover issues.
• Installation of VERITAS VxVM and configuring Volumes on Redhat Enterprise servers.
• Troubleshooting disk related issues and replacing failed disks from VxVM.
• Experience in Backup administration using VERITAS Netback up (7.1)
• Experience in Backup and restore from various types of backup’s NDMP, Nextgen and Standard
• Tacking inventory and Bringing up offline drives from JAVA console or CLI mode.
• Worked on Error codes, troubleshooting Hung jobs.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager.
• File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multipath.
• Handled escalations from DCC-L1 and addressing RFB (Ready for Business) calls.
• Handled outage issues with L3 involvement & Documenting Procedures for real time issues.
• Installed the Net-backup client software more them 500 Linux servers and completed the configuration.
• Performing Backup administration using VERITAS Netback up (7.1)
• Worked in Backup and restore from various types of backup’s NDMP, Standard, MS-Windows.
• Performing Tape ejection and Library inventory and working with team to move the Critical Media to DSR location.

Environment: Red hat Linux 5/6, Windows 2003 Server, Disk Management, User Management, Falcon Ticketing tool, VCS, VXVM, RAID, INCIDENT and CHANGE Management.