SUMMARY

• Result driven consultant with 8+ years of system administration and operational experience on Red Hat Enterprise Linux, IBM AIX, Solaris, Windows, VMware and OpenStack virtualization, Red Hat clustering, Veritas Clustering and Amazon Web Services (AWS).
• Experience in working on Operations based environment and delivering 24/7 support for remote sites as required by the client.
• Patching different software using Redhat package manager and YUM and installed certain RPM packages.
• Installing, upgrading and configuring RedHat Linux 4.x, 5.x, 6.x using Kickstart Servers and Interactive Installation.
• Experience in RAID Configuration, creating file systems and online resizing using LVM and Veritas Volume Manager.
• Developing automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using SHELL scripting and CRON.
• Experience in installation and Configuration of NFS, Samba, Sendmail, Postfix, Apache services, MySQL and LAMP on Linux Servers.
• Installing and Configuring Nagios Monitoring and Apace ActiveMQ on Linux Servers.
• Experience in Installing, configuring, and maintaining Tibco, Web logic, Iplanet and Web Sphere application servers and Oracle database technologies.
• Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on Various SAN Products like Net App, EMC CLARiiON, Hitachi data systems.
• Installing and configuring RSYNC to perform data replication and backup.
• Proficient in backup and restore operation on multi platforms using Veritas Net backup.
• Worked extensively on HP Blade center C - 7000 series, BL460, DL380, Dell PowerEdge 6950/M-series. DRAC and IBM Blade center HS-series/x-series.
• Worked on various IBM p-Series Servers p795, p770, p595, p590, p570, p550 and p520, JS21 Blade, JS20 Blade and have extensive experience in Configuration, Installation and Administration of AIX 4.3.x/5L/6.1 and Linux (Red Hat), Sun Solaris Operating Environments.
• Experienced in file system administration, resolving system errors crashes and file system errors.
• Implementing and managing resources in VIO server.
• Experience in Installation and Configuration of VIO Server (AIX 5.3) and installation and configuration of client LPARs
• Experienced in Implementing NIM for AIX System Installations and Upgrades.
• Experienced in configuration & maintaining Veritas Cluster server, Netback up, Veritas volume manager, Veritas file system and Sun Cluster.
• Good experience in Verities products such as Volume manager 5.0 and Verities Clustering (VCS).
• Possess hands on experience with the VMware ESX Server, VMware Virtual Center, Vmware HA, Vmware DRS, and Vmware Consolidated Backup (VCB).
• Experience in creating VMware Command Line scripts to manage clusters and perform various tasks such as VMotion.
• Provide system consultancy, performance tuning, bug tracking, fixing, QA, and software installation, licensing and distribution.
• Performed diagnostics on system operations to identify problems and trends, verify network performance and identify potential user requirements. Tracked and resolved problems, which impact continuing system operations.
• Possess great communication skills, which include proper grammar, English etiquette excellent with the ability to work independently and as team member with the ability to connect with coworkers, passionate about my work, detailed in documenting and recording.

TECHNICAL SKILLS

• Dell PowerEdge 6950/M-series, R710, R720, DRAC
• HP Blade center C-7000 series, BL460 Series, DL380Series, ILO MANAGEMENT
• IBM Blade center HS-series/x-series, IBM - F-SERIES AND P-SERIES, IBM RS6000
• CISCO 6500 series Switches
• EMC, NetApp SAN and NAS
• F5 Load balancer
• Windows XP, Vista, Windows 2008 R2
• RED HAT Linux5.x/6.x, Soalris 9/10, IBM AIX 5.x, 6.1, 7.1
• Ubuntu- 12.4.x, 14.x, CentOS
• TCP/IP, DHCP, DNS, FTP, HTTP, HTTPS, SSH
• Ethernet10/100/1000
• Bash, ksh, PowerCLI, PowerShell, Python
• Apache services, LAMP, Tibco, Web logic, Iplanet and Web sphere, MQM
• NDM, Autosys, Tws, ActiveMQ
• Nagios Monitoring, ESM, BMC, newrelic
• Symantec Netbackup
• Chef, Puppet, Git, Jenkins, Saltstack, Active Directory
• Graphite, Elasticsearch, Logstash
• Oracle 11g/10g/9/8, MYSQL, Cassandra, MongoDB, MSSQL

PROFESSIONAL EXPERIENCE

Confidential - San Anotnio, Tx

DevOps Engineer

Responsibilities:

• Building, administering, monitoring and troubleshooting Ubuntu 12.04 and 14.04, Windows 2008 R2 instances on OpenStack environment and Redhat Systems in VMWARE environment.
• Configuring File Systems, users and groups on Linux servers and Installing and configuring Nagios Monitoring on Linux, Windows servers.
• Working experience on Open source application like Chef, Puppet, Git, Saltstack Jenkins.
• Installing and configuring Salt master on Linux servers and salt-minion on windows and Linux server.
• Creating chef cookbooks and salt states to automate the application installation on windows and Linux Servers.
• Creating and managing instances using supernova and maintaining OS images, flavors and users in Openstack environment.
• Installing and configuring Newrelic monitoring on Linux, windows servers and Configuring Newrelic application monitoring
• Installing and configuring active directory on windows server 2008 r2 Standard Operating System.
• Adding windows, Linux servers to Domain and creating, maintaining Domain users.
• Configuring Virtual pools, Virtual servers an d resources in F5 load balancers.
• Installing, configuring and upgrading Apache ActiveMQ on Ubuntu and CentOS Linux servers.
• Migrating servers from Redhat to SUSE Manage and Redhat to CentOS servers.
• Installing and configuring BMC Atrium Orchestrator on Windows and Linux servers.
• Hardening Windows and Ubuntu servers using CIS Configuration Assessment Tool.
• Add, remove and resizing Logical volumes using LVM in Linux and implementing RAID at installation time.
• Installing and configuring Nagios Master on Ubuntu serves, Nagios Client and NSClient++ on Linux and windows servers respectively.
• Writing chef scripts to automate the application installations like Nagios, Mysql, Cassandra Etc.
• Manage systems using remote consoles like ILO for HP and DRAC for Dell Hardware.
• Installing and configuring ryslog on Linux and nxlog on windows servers for security logging.
• Working experience on Kibana, Elasticsearch servers for Centralized logging for applications.
• Supporting servers on 24x7 Basis on different platforms and applications.

Confidential - Cumberland, RI

Linux Administrator

Responsibilities:

• Building, administering, monitoring and troubleshooting RHEL 5.x/6.x,AIX 6.1, HP BL460, DL 380 Dell and IBM X Series.
• Worked with DBAs to configure File Systems, users and group for Oracle Database on Linux servers and performed health check on various instance type from production, to development and test.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux.
• Creating Virtual Machine Profiles in Vcenter Server, allocating storage and installing Redhat Linux using kickstart.
• Configured network bonding, jumbo frame settings and kdump on Redhat Linux Server.
• Implementation and maintenance of Veritas Cluster Server, VxVM, VxFS on Linux Servers.
• Configure and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
• Maintenance level upgrades and software administration RPM installation on Linux using yum.
• Installed and configured IBM AIX 5L operating system on IBM System p6 570/595 servers.
• Administered and maintained IBM Power System p5 510/550 servers running AIX 5L 5.x operating system
• Acquiring & Initializing LUNs in clustered & standalone environments.
• Written Shell for automation of jobs and Performing O/S and kernel upgrades on Linux servers.
• Experience in Installing, configuring, and maintaining Tibco, Iplanet and Web Sphere application servers and Oracle database technologies.
• Performed host based SAN migration on Standalone and Cluster Linux servers
• Troubleshoot backup issues, Perform manual backups & restore using TSM Backup.
• Document and maintain the inventory using asset management techniques.
• Supporting servers on 24x7 Basis on different platforms.

Confidential - New York, NY

Cloud Systems Administrator

Responsibilities:

• Creating and configuring Linux and Windows instances in AWS EC2.
• Creating load balancers, Auto scaling groups and writing bootstrap scripts to customize instances deployment.
• Design roles and groups using AWS Identity and Access Management (IAM).
• Installing and Configuring Apache and Varnish on Linux servers.
• Creating EC2 and DB security groups based on environments and providing access to users for particular security groups.
• Implement and maintain the monitoring and alerting of production and corporate servers/storage using CloudWatch.
• Create and manage Elastic Block Storage (EBS) and S3 buckets.
• Deploying Mysql DB instances in Amazon RDS and creating, restoring Databases.
• Creating required domains and adding CNAMES in Amazon route53.
• Creating buckets in S3 and uploading data to S3 buckets.
• Installing rsync and configuring rsync to perform data replication across different environments.
• Installing, configuring and maintaining Jenkins on Linux servers.
• Installing, Configuring and maintaining Puppet on Linux servers and creating repositories in BitBucket and Beanstalk.
• Updating puppet code using GIT version control. Creating branch and pushing branch to remote repositories.
• Deploying Puppet code across all the environments.
• Updating SSL certificates for load balancers and Configuring apache servers to forward from http to https.
• Configuring and maintaining jobs in Jenkins. Taking the dumps and restoring Databases using Jenkins jobs.
• Creating virtual hosts and updating rewrite rules in apache codes using puppet and git.
• Monitoring resources and application alerts using Amazon cloud watch.

Confidential - Irving, Tx

UNIX Administrator

Responsibilities:

• Provided 24 x7 on-call supports in debugging and fixing issues related to Linux, Solaris, AIX and WebSphere Application Servers.
• Installation/Maintenance of Hardware/Software in Production, Development & Test Environment as an integral part of the UNIX RHEL/ SOLARIS /AIX) Support team.
• Installed/Configured/Maintained/Administrated the network servers DNS, NIS, NFS, SENDMAIL and application servers Apache, Websphere, Jboss, Webogic, Oracle E-business suite and Samba on Linux.
• Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.
• Involved in Adding new disks, formatting, partitioning, disk space allocation, monitoring system performance, system tuning, server hardening and crash recovery issues.
• Involved in AIX and VIO Server administration of p-series p770, p590, 570, 550 Servers.
• Implementing and managing resources in VIO server and Worked on VIOS and NPIV client Storage migration.
• Responsible for Installation, configuration, Maintenance, Deployments, Monitoring, performance tuning, JVM Load/Stress Testing of WebSphere App Server 6.1 on AIX and Solaris.
• Installed and configured HACMP and VERITAS cluster topology and resources.
• Implemented, installed and supported high availability (HA) cluster on HACMP for AIX and VERITAS for Sun Servers.
• Performed troubleshooting on Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer in production environment.
• Implemented security in systems and network for all Sun Enterprise Servers & Desktop Servers.
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Administered file system and volumes using Veritas Storage Foundation, Solaris Volume Manager on Solaris and Logical Volume Manger on Linux. Installed and Configured Veritas Volume Manager for Development, Test and Production environments.
• Involved in Configuring/troubleshooting of internet firewall, protocol firewall, DMZ zone, Proxy Servers and Trusted zone and Supported groups responsible for disaster recovery, monitoring data center backups, data center migrations (P2V) and troubleshooting Backup errors.
• Troubleshoot backup issues, Perform manual backups & restore using Veritas netBackup
• OracleRAC, NDM, WebSphereinstallationandsupport on AIX and Linux servers
• Key participant in implementation and integration of three new data centers including physical, logical and application level testing and support and developed and executed test plans for Veritas Cluster with Netapp SAN.
• Monitoring the system performance using tools like Tivoli End Point, ESM and BMC patrol.

Confidential - New York, NY

Linux/Unix Administrator

Responsibilities:

• Installation and configuration of Red Hat Enterprise Linux servers using Kickstart unattended installation in addition to PXE Boot, configuring of new servers and workstations using Kickstart and Autostart.
• Supporting 600+ Linux/AIX servers in production/stage/development environment
• Unix/Linux user's creation, file/dir level permissions, sudo permissions etc.
• Disaster Recovery operation setup & checkup at contracting facility
• Using VM converter converting Physical machines in VMware VMs.
• Creating VMware Lab setup as per Internal QA team’s requirement using VMware ESXi servers.
• Day to day duties for Unix/Linux server maintenance and support to developer's team for their issueswith application, tuning, troubleshooting, software running on Unix/Linux Servers.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls in both development and production.
• Resolve technical issues through diligent research, reproduction, and troubleshooting
• Work directly with other technical support staff, quality assurance, engineering, sales, marketing, operations, and administration to resolve problems
• Tuning of the Linux OS in order to increase performance as well as installation of new patches as needed, developed shell scripts to automate daily housekeeping tasks such as file transfers, Troubleshooting any and all problems with performance, upgrades and file transfers.
• Maintained user account management, configured servers to register with Red Hat Network (RHN) Satellite Server, monitored servers - workload assessment, service console monitoring
• Monitoring servers resources like memory, CPU, disk usage and network services using Nagios monitoring.
• Troubleshooting, networking, security, services, reporting, monitoring, database-backed management, capacity planning, strategic planning, documentation
• Assisting with the software integration and turning software builds into RPM packages
• Troubleshooting, networking, security, services, reporting, monitoring, database-backed management, capacity planning, strategic planning, documentation
• Established network security using Linux Firewall and troubleshoot problems relating to boot loaders (GRUB, LILO).

Confidential - Benton Harbor, MI

Linux/VMware Administrator

Responsibilities:

• Installation and configuration of VMware VSphere 4.0, ESX 3.5,ESXi 4.0 on a HP,DELL VMware Infrastructure Client, VMware Virtual Center, License Server and VCB Setup.
• Designed the Infrastructure and administered the environment running over 20 ESX Hosts and 500 Virtual Machines..
• Profiles Upgrade Experience from VMware Infrastructure 4.0, 3.5 to vSphere 4.0 and Update 1 including vCenter4.0, ESX Hosts, Update manager, vSphere client, and Virtual machines tools and H/W upgrade to vSphere 4.0 .
• Installation and configuration of Red Hat Enterprise Linux, CentOS, and Windows Virtual machines using PXE Boot, for the disaster recovery project.
• Performing P2V migrations on Linux and windows servers Using Vmware convertor and Plate spin migration tools.
• Installing ESX operating systems on the physical servers for VMware virtualization.
• Adding Data stores, creating clusters, adding ESX hosts to the clusters in a Data center in VCenter Server.
• Enabling HA, DRS EVC, for the Clusters in the VCenter Server. Creating Host profiles and applying the host profiles to the ESX hosts.
• Resolve technical issues through diligent research, reproduction, and troubleshooting, during P2V migrations.
• Configuring Virtual Machines under VMware ESX Servers to install Linux guests.
• Work directly with other technical support staff, quality assurance, engineering, sales, marketing, operations, and administration to resolve problems.
• Tuning of the Linux OS in order to increase performance as well as installation of new patches as needed, developed shell scripts to automate daily housekeeping tasks such as file transfers, Troubleshooting any and all problems with performance, upgrades and file transfers.
• Mounted/un-mounted new file systems, mounted file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery
• Installation and Administration of RHEL 4.5,4.6,4.7 including performance monitoring, scaling and capacity planning and hardware maintenance of HP Servers.
• Account management using Active Directory such as resetting password, unlocking accounts, creating new accounts, adding users to GP, setting up email accounts on exchange server and distribution lists etc.
• Remote installation, configuration and troubleshooting of printers, software and business applications.
• Installed/Configured/Maintained/Administrated the network servers DNS, NIS, NFS, SENDMAIL and application servers Apache, Websphere, Jboss, Webogic, Oracle E-business suite and Samba on Linux.
• Maintained user account management, configured servers to register with Red Hat Network (RHN) Satellite Server, monitored servers - workload assessment.

Confidential

Associate Linux Administrator

Responsibilities:

• Administration and maintenance of Red Hat Linux servers for maintaining packages (system/application) on server
• Migration of servers to new hardware (HP Blade Center) and new OS version, responsible for all UNIX related issues including OS, device drivers, OS tuning, environment setup for applications and updates
• Compiled kernel, Device drivers, performance tuning for OS and application, customization as per requirements, security patching
• Configured different hardware and software components as per requirement to support UNIX initiatives
• Work with RAID configuration-RAID 0,1,5, 0+1, Writing sss/bash scripts for better administration
• Install Software, troubleshoot, diagnose, and resolve hardware and software and connectivity problems in accordance with Service levels.
• Installing sendmail on Linux for their outgoing mail service while they use bulk emails.
• Supporting for domains hosting and domain registration and creation.
• Troubleshooting desktop and server problems.
• Providing quality 1st and 2nd level support to all users
• Indented and executed scripts and other UNIX utilities; create, tune, and optimize stored procedures and DTS packages
• Administer database security including adding/removing users, auditing, and troubleshooting security related issues, provide internal management services
• Follow documented procedures and develop new documented procedures for new technology installed in the data.
• Mounted/un-mounted new file systems, mounted file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery
• Installation and configuration of RPM packages for upgrades using YUM server.
• Creation of users, groups and computer objects in active directory.