SUMMARY:

• Over 10+ yrs. of overall IT experience in Systems Engineering and Virtualization technology.
• 8 yrs. of working experience on Red Hat Enterprise Linux, Debian Linux, Ubuntu Linux, Fedora Linux, Confidential .
• More than 3 years’ experience as DevOps engineering.
• Experience in installation, configuration and management of vCenter, ESXi, VDP, Update Manager, vCOP's and SRM.
• Hands on Experience in Installing, Configuring, & Troubleshooting Confidential ESXivSpherevCenter and vCenter appliances.
• Hands on experience in using vCenter features like vMotion, Storage vMotion, High Availability (HA), Distributed Resource Scheduler (DRS), storage DRS and host profiles.
• Hands on experience in physical to virtual machine (P2V) conversions and virtual to virtual machine (V2V) conversions as well as conversions between different virtual machine formats using VMwareConverter and Platespin.
• Strong experience working with Development & Test teams in an Enterprise level environment.
• Working knowledge of CI/CD tools like Jenkins, TFS and UBuild.
• Experience in AWS EC2, Rest API calls to deploy and build new servers.
• Knowledgeable in setting up Jenkins and Github Enterprise using HA Proxy.
• Well experience in JAVA base tools ANT and Maven.
• Experience managing various filesystems using VxVM, LVM and SVM and also configured filesystems through network using NFS, NAS methodologies and installed RAID devices.
• Worked along with Monitoring teams to identify and troubleshoot issues on servers using tools like Nagios, Munin, Cacti, Circonus, Splunk, and Zenoss.
• Expertise in setting up Jenkins build and deploy pipeline for build.
• Extensive knowledge of Git and Git hub. Expert in handling binary storage using binary repository like Nexus and Artifactory
• Handling day - to-day User Administration tasks like adding, deleting and modifying user data and documenting all user data in a centralized location.
• Experience working in customizing the Kickstart and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Working Knowledge on using and developing basic shell and python scripts used to automate day to day administrative tasks.
• Worked in maintaining integrity of Linux servers by performing patching operations on a regular and planned way.
• Working knowledge on TCP/IP, UDP protocols in solving network related issues on the servers.
• Installation and configuration of Web Application servers like Apache, Tomcat, Nginx and Weblogic.
• Have tested various Linux Environments in the Development/Test Stages to help create a better standardized environment and resolutions of any problems if any occurred.
• Experienced in documenting various maintenance activities and upgrades and changes in the network architecture.
• Worked with a bug/problem tracking system in responding to DNS requests, updates and tasks.

TECHNICAL SKILLS:

Operating Systems: RHEL 5/6/7, Centos 5/6, Fedora 11/12, Windows Server 2003/2008/2012, Ubuntu 14/16

Services: NFS, SSH, SFTP, FTP, rlogin, RPM, YUM, Samba, Auto FS, Telnet

Monitoring Tools: Newrelic,Nagios, Zenoss, Munin, Cacti, Splunk

Languages: C, C++, HTML, Java Script, SQL, Bash & Shell Scripting.

Virtualization: Confidential and Vsphere.

Build Tools: Ant, Maven, Gradle

App Servers: TomCat, WebLogic, WebSphere, Nginx

Deploy Tools: UDeploy,Jenkins, BladeLogic

CI Tools: Jenkins, AntHillPro, UBuild, Hudson

Networking: TCP/IP, UDP, LAN, WAN, NIS, NIS+, DNS, DHCP, NAS.

Filesystems: LVM, VxVM, SVM.

Ticketing System: Helpzilla, ServiceNow, Jira, Remedy9

PROFESSIONAL EXPERIENCE:

Confidential, Palo Alto, CA

System/DevOps /Cloud Engineer (PlatOps)/ BXP and App Engineer Support

Environment: RHEL 6/7, CENTOS, Oracle, Confidential, Shell Scripting, NFS, DNS, Apache, tomcat,Nexenand Maven build Repository, Puppet, MCOllective, Platform CLI, DevOps,VI, FTP, SSH, Java Application Administration and Troubleshooting, VPN, Firewall’s, DNS, Network Routing, TCP, HTTP, SSL, Datacenter Management, F5 urlscreations, load balancing, Splunk, docker, kubernetes and ansible.

Responsibilities:

• Responsible for supporting the firm’s private cloud infrastructure (BXP 1, BXP 2, BXP 3 and App Engine)
• Assisted in troubleshooting and providing problem resolution for deployed applications and infrastructure issues.
• Responsible for the cloud platform stability including all cloud components (Linux OS, Apache Web and App servers, Apache ActiveMQ)
• Work closely with software developers and hardware engineers to ensure platform stability, hygiene and infrastructure vulnerabilities.
• Strong experienced in analyzing and prioritizing threats and vulnerabilities.
• Demonstrated organizational, facilitation, writing, documentation, communication, and presentation skills.
• Assisted Financial application development.
• The major part of the daily responsibility was addressing application issues and interacts with app developers.
• Demonstrated strong interpersonal skills and the ability to work as part of a team
• Position includes 24x7 support responsibilities and ability to work from office and home.
• Strong cloud computing knowledge
• Strong Linux (Unix) operating system knowledge
• Strong Networking and Systems Infrastructure knowledge
• Strong troubleshooting and problem identification skills
• Troubleshoot and analyze Kibana logs related with app deployment, routing, map urls, etc..
• Registering NAS Mounts, Making LDAP changes
• Creating/deleting users,discriminator (Mnemonic) and adding the users to L1/L2 and L3 approval group.
• Manage environments and provide L2/L3 support
• Plan, Implement, Manage and Consult for Infrastructure Services
• Covered activities such as Incident, Task, Change and Problem management through Remedy9 and Jira.
• Keep the environments up to date & ensure none of the web services are disrupted.
• Create standard operating procedures on demand basis such as Server commissioning & decommissioning, Web server deployments & Integration, OS security updates and patching procedures, CERT advisory related security updates, Puppet, ansible architecture & configuration details, File system management & Housekeeping
• Innovate and Identify Opportunities for Automation, RCA and Permanent Remediation of Problems, Implement Continuous Integration, Implement Continuous Delivery
• Experience with Docker containers and orchestration platforms such as ACS, Kubernetes, and Swarm
• Build knowledge base as and when necessary
• Support of Monitoring Apps: stated in terms of modifying alerts to appropriate threshold, adding new alerts as requested, remove deprecated alerts.
• Linux OS Management (Redhat&CentOS)
• Administration, Installation, Configuration & Trouble Shooting of Servers including VM
• OS start/shutdown/reboot
• OS deployment, configuration, integration & decommissioning
• Service start/stop/restart
• Apply OS patches based OEM releases & internal guidelines
• Apply security patches based on CERT alerts & internal security guidelines
• File system and disk space management
• Log rotation, movement & retrieval
• Ensure uptime of all servers & services
• Capacity management: CPU, Memory, IOPS, Storage
• Virtualization Platform Support: Red Hat Virtualization / KVM IO 1.0 2.0 administration, Confidential VMs administration, VM provisioning
• Configuration Management and Build Integration (L3 Support): Ansible, Puppet
• Alert and Communication Tools Microsoft Lync, WebEx &Skype for business)
• Confidential VCenter/ VSphere
• Version Control Management Tool SVN/Github (Bit Bucket), Build/CI Tool Maven& Jenkins
• Monitoring Tools Circonus: Zabbix, HiTrack HDS, Observium, OME

Confidential, Atlanta, GA

Linux-Unix Administrator /Infrastructure/L3 System Engineer (PlatOps)

Environment: RHEL 5/6, Ubuntu 14/16, CENTOS, Windows, Oracle, Shell Scripting, NFS, Samba, DNS, Apache, CHEFF, Puppet, Server H/W installation, Storage - Hitachi, NetApp, XioTech, Storage switch installation- Baocade, Cisco, Confidential, KVM, DevOps, Datacenter Management, Splunk, docker, kubernetes and openstack

Responsibilities:

• Manage environments and provide L2/L3 support
• Plan, Implement, Manage and Consult for Infrastructure Services
• Covered activities such as Incident, Task, Change and Problem management through Service Now and Jira.
• Keep the environments up to date & ensure none of the web services are disrupted.
• Build knowledge base as and when necessary
• Support of Monitoring Apps: Circonus, Big Panda, Zenoss Core, Zabbix stated in terms of modifying alerts to appropriate threshold, adding new alerts as requested, remove deprecated alerts.
• Linux OS Management (Redhat, CentOS, Ubuntu)
• Administration, Installation, Configuration & Trouble Shooting of Servers including VM
• OS start/shutdown/reboot
• OS deployment, configuration, integration & decommissioning
• Service start/stop/restart
• Apply OS patches based OEM releases & internal guidelines
• Apply security patches based on CERT alerts & internal security guidelines
• File system and disk space management
• Log rotation, movement & retrieval
• Ensure uptime of all servers & services
• Capacity management: CPU, Memory, IOPS, Storage
• Virtualization Platform Support: Red Hat Virtualization / KVM IO 1.0 2.0 administration, Confidential VMs administration, Aerosol VM provisioning, Argo / Joyent VM provisioning
• Hardware Installation and Configuration (Remote Access Management): Remote Access Management, Installation, Configuration and Troubleshooting of iLO, iDRAC, DELL OME, Serial Console for listed Servers (Dell Power Edge Series, HP ProLiant Series, Compaq ProLiant Series, IBM System X Series, IBM eServer Series, Sun Microsystem).
• Configuration Management and Build Integration (L3 Support): Chef, Puppet, Unity, Bamboo
• Storage and Storage Switch Installation, Configuration, Monitoring (L3 Support) NetApp Storage, Hitachi Storage, Xiotech Storage, Pure Storage, Cisco Switch, Brocade Switch
• Alert and Communication Tools Slack (Xmatters, Skype)
• Confidential Vcenter/ Vsphere
• Inventory and Reporting Tools: FileMaker Pro Inventory, Analyzer Report, DB Argo Report, Aerosol Utilization Report,
• Version Control Management Tool Github (Bit Bucket), Build/CI Tool Bamboo
• Monitoring Tools Circonus: Zabbix, HiTrack HDS, Observium, OME
• Consoles AWS, AZURE, OpenStack
• Create standard operating procedures on demand basis such as Server commissioning & decommissioning, Web server deployments & Integration, OS security updates and patching procedures, CERT advisory related security updates, Puppet, Chef architecture & configuration details, File system management & Housekeeping
• Innovate and Identify Opportunities for Automation, RCA and Permanent Remediation of Problems, Implement Continuous Integration, Implement Continuous Delivery
• Experience with Docker containers and orchestration platforms such as ACS, Kubernetes, and Swarm

Confidential, Silver Spring, MD

Linux Administrator/ Infrastructure/DevOps/ Confidential (Site Reliability Engineer)

Environment: RHEL 4/5/6, Windows, Ubuntu 14/16, Oracle, Shell Scripting, NFS, Samba, DNS, Apache, Websphere on HP ProLiant servers and EMC storage

Responsibilities:

• Creating Confidential system architectures with help of Microsoft Visio and Gliffy.
• Creating runbook for Dev, Test and Production environment.
• Participate in weekly .Net Deployments.
• Responsible for providing appropriate permissions to the users and groups based on the requirements to the Confidential VSphere 6.0 environment.
• Responsible for creating technical documentation for the infrastructure including V2V conversions, VDP installation and ESXi host patching baselines, SRM layout, Visio Network diagram for Confidential networking.
• Responsible for configuration of shared storage to make all the ESXi hosts communicate with each other in the cluster.
• Cleaning up open Jira Tickets by reaching out tickets owners and coordinating to troubleshoot.
• Planned Jenkins automated build and deploy pipeline and use the new approach for all the new projects
• Automated Java builds with Maven
• Worked onArtifactory for dependency management and storing in house built binaries. Published MAVEN and ANT built artifacts to Artifactory as a part of CI flow in Jenkins
• Worked on puppet manifests and python scripts to engineer the server platform.
• Deployed servers using Puppet and wrote puppet manifests for automating build and patching process
• Build and supported AWS and Confidential based cloud infrastructure.
• Managing Linux Infrastructure involves day-to-day maintenance of servers and troubleshooting.
• Provisioning Red Hat Enterprise Linux Server using PXE Boot according to requirements.
• Performed Red Hat Linux Kickstart installations on RedHat5.x/6.x installation& Configuration of software packages in Red Hat Linux. (Using both yum and rpm installations)
• Participated in migrating environment from 4.x versions to 5.x
• Participated in data center migration
• Setup Nagios Core for monitoring Redhat and windows servers
• Worked on Web servers which include Tomcat 6.x/5.x & Apache Server 2.x/1.x
• Scheduling the Jobs using CRON tab.
• Implemented and Enhanced the Existing Scripts which are developed in BASH, Perl
• Installed/ upgraded patches, firmware, GSP, BIOS and security (Kernel) patches for all HW & OS’s in installed infrastructure
• Worked on shell scripts and Perl scripts for automation of daily tasks and created cron jobs
• Performed systems monitoring with Nagios Core, upgrades, performance tuning and backup and recovery.
• Installing, Administering and troubleshooting Windows Server 2003, 2008, 2012
• Constant Monitoring of System Performance and managed file systems.
• Experience administering Ubuntu 14/16
• Experience maintaining Debian/Ubuntu repository
• Experience working with Ubuntu Linux, apt-get, dpkg, and rsync
• Creating firewall changes and communicating with Network team as per requirement
• Monitoring Redhat and Windows servers and applications using Newrelic
• Experience with Docker containers and orchestration platforms such as ACS, Kubernetes, and Swarm

Confidential, Silver Spring, MD

Linux Administrator/DevOps/ Confidential (Site Reliability Engineer)

Environment: RHEL 4/5/6, Windows, Ubuntu 14/16, Oracle, Shell Scripting, NFS, Samba, DNS, Apache, Websphere on HP ProLiant servers and EMC storage

Responsibilities:

• Installed and Configured RHEL 6.x on Intel hardware. Configured hands-free installation using Kickstart and PXE. Participated in upgrading and migrating Redhat 5.x to 6.x
• Kernel upgrades and applying errata as and when required.Monitoring of Linux servers using tools like vmstat, iostat, SAR, top, free etc.
• Participated in Installation and configuration of vCenter Server, and VSphere licensing.
• Created and managed Virtual Machines, Installed Confidential tools, Templates, Cloning, Deploy Virtual Machines; including deploying link Clones using View Composer. Assigned dedicated/floating Pools as per requirement.
• Set up virtual network using VSphere Distributed Switch, standard switch, port groups and VM kernel.
• Install, Update and erase the required packages to provide services using rpm and up2date.
• Setup and configured Apache to integrate with F5 in load balancing environment
• Setup LDAP authentication for SVN using apache. Setup Nagios Core for monitoring Redhat and windows servers
• Developing Nagios custom plugins in bash for monitoring inhouse applications and campaigns.
• Installed Cacti and integrated with Nagios using nagios to cacti plugins. Monitoring Redhat and Windows servers and applications using Newrelic.
• Installed GitHub Enterprise with a HA setup and configured GitHub Enterprise with Enterprise LDAP for Authentication
• Setup Jenkins jobs using Jenkinsfile instead of traditional Jenkins freestyle job for defining CD Pipeline and better visibility and maintainability storing the jenkinsfile in Github
• Weekly release of web applications under dotnet and Ruby environment using Git and SVN
• Monitor AWS resources through Cloudwatch. Used AWS SDK to connect with Amazon SQS for bulk email processing.
• Implemented AWS IAM for managing the credentials of applications that run on EC2 instances.
• Designed and developed the framework to consume the web services hosted in Amazon EC2 instances
• Partitioning disks using diskdurid, fdisk with raid options and multipathing with power path on SAN devices. Configured the scheduling of tasks using cron
• Suggesting system Upgrades, planning & implementation.
• Providing administration and troubleshooting user related problems.
• Creating firewall changes and communicating with Network team as per requirement
• Coordinating with vendors to solve the hardware and software related issues.
• Creating new file system, mount file system, monitoring free space, disk usage, locating files and checking & clearing of log files.
• Provide responsive off-hours support in a 24 / 7 environment and ensure maximum availability of all servers and applications.
• Experience administering Ubuntu 14/16
• Experience administering Ubuntu 14/16
• Experience maintaining Debian/Ubuntu repository
• Experience working with Ubuntu Linux, apt-get, dpkg, and rsync
• Work closely with System Engineers to conduct Vulnerability/Risk assessments to identify potential threats, vulnerabilities.

Confidential, Jersey City, NJ

Linux Administrator/ Confidential

Responsibilities:

• Worked with Thousand Eyes is a SaaS monitoring tool to monitor performance in Cloud / Web based applications. Agents (Public and Private) can collect performance metrics for HTTP, DNS, TCP, IP, from multiple locations within enterprise or on public networks.
• Managed and support Confidential vCloud Center and Confidential vCenter Orchestrator (vCO) in Customer's preproduction environment.
• Converted Physical servers to Virtual servers using Confidential vCenter Converter standalone tool and migrated those servers.
• Creation of Hot and Cold Clone Templates from Virtual Machines (VMs). Deployed Virtual Machines from Templates based on requirements and build documents.
• Created technical documents detailing P2V, V2V migrations and Windows upgrades.
• Make sure that all the production and non-production servers being monitored via Zenoss monitoring tool. All the production and non-production hosts are being monitoring for the following components such as availability, CPU/Memory Utilization, Load Average, File System Utilization, etc.
• Analyze and use Spectrum features such as network auto-discovery, impact analysis, service level management and automated configuration change management for automatically identifying all network assets, and generating a network topology map that displays all network elements, down to their physical and logical ports.
• Use Spectrum to determine and represent the root cause, and impact, of a network fault
• Responsible for sending IT Service Advisory Notice to customers to inform the production outage including business impact by using tools such as SendWordNow and IT COMM.
• Worked with Zenoss Monitoring Tool for monitoring Servers and Alerts.
• Participate in IT Service Advisory Notice, outage and issue handling, weekly CAB meetings,User Call (Hot line), Internal VC3 Compute Team Meeting, Internal VC3 Staff Meeting and Ops Linux Team meetings.
• Co-ordinate with vC3 Monitoring Services team to validate genuine alerts, Work with Monitoring Tool team on invalid alerts & assist threshold adjustments, Zenoss cleanup, cleaning up old/unattended alerts.
• Monitor Linux Dashboard Alert, F5 VIP (Resource pool and pool members), troubleshoot New Linux HelpZilla and HelpNow tickets, OVD Timeout Alert Email and monitor Linux File System Health Check using Puppet Master Scripts.
• Participate in outage handling, Help Monitoring Services Team to call additional resources and coordinate with Ops Linux, vGrid, Storage, Backup.
• Worked with File System Issues on various production VM's, Work on Script servers related alerts in monitoring tool.
• Support LDAP / SNMP Sync across production servers.Implement Log rotation and log management for production servers. Support for Informaticaadhoc requests for DSS Support team.
• Troubleshoot DNS related Issue using Men & Mice - Corp DNS / External DNS. Tier II/III troubleshooting of LAN/WAN link issues.
• Network forensics, analyzing link data from using Thousand Eyes and other tools, working with carrier to resolve slowness issues on MPLS and internet links.
• Remote management of devices all over the globe.

Confidential

Lab Lead Consultant

Responsibilities:

• First line troubleshooting of computers, printers and media devices.
• Interact and provide computer/technology assistance to students, faculties and staffs
• Provide customer service to the patrons by creating and resolving incidents through communications with IT Management.
• Supervise student employees inaprofessional anddiplomaticmanner whilemonitoring, staffingandsupporting 67consultants inremote generalaccess computer labs
• Mentorandtrain lab consultants on work procedures andduties.
• Demonstrate stronginterpersonalskills assistingandinteractingwithhundreds offaculty,students and staff.Use remote desktop access to provide technical assistance to the faculty, staff and students.
• Performing Post Build activities like Setting up Backup interface/ NIC bonding/ Loading additional Packages/ Joining the server to Active Directory, etc
• Performed hardware, operating system, security and application updates/patches on these systems as well as operating system hardening based in industry standards.
• Experienced working on Datacenter Migration Projects.
• Monitoring the hosts and networks using Nagios.
• Configured hands-free installation using Kick start & Jumpstart and upgrading through YUM installation.
• Regular disk management like adding/replacing hot swappable drives on existing servers/workstations.
• Performed routine and preventative maintenance on servers and timely apply security patches as mandated by administrators.
• Performed day to day tasks managing various users accounts related to numerous projects.
• Installed, configured and maintained Apache/Tomcat Web Server.
• Installed and configured NFS, NIS and FTP Servers.Bash Shell Scripting for job automation.
• Maintained and configured Users and their profiles, permissions and access to various servers across the enterprise.

Confidential, Bentonville, AR

Linux Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Red-hat Linux, HP-UX operating systems
• Supporting ISP customer issues.
• Installation of patches and packages, Installation & configuration of Jumpstart/Flash archive, Ignite and kickstartservers.
• Administered DNS, NIS, NIS+ and NFS, Send Mail and involved in troubleshooting
• Expertise in VERITAS Cluster Server, Sun Cluster, Redhat Cluster Server, HP MC/Service Guard A11.01/10.11, Zone administration and configuration
• Installation and configuration ofVeritas Volume Manager, VERITAS File System and VERITAS Cluster Server; Maintaining and troubleshooting VCS for Failover and redundancy
• Experience on HP Service Manager, Remedy, Manage now change management, problem management and ticketing systems for various projects.
• Configured GFS (Linux) and ZFS (Solaris) file systems.
• Disk and File system management through Veritas Volume Manager, Solaris Volume Manager, Logical Volume manager.