SUMMARY

• Over 8+ years of experience as a RHEL 3.x/4.x/5.x/6.x/7.x,7.6x CentOS, Ubuntu, Sun Solaris 8/9/10 SLES 10/11 & IBM AIX 6.x/7.x platforms.
• Experience working on planning, installation, migration, upgrade of OS (AIX, Linux), as well as deployment and Production Support.
• Strong Understanding of Change Management procedures and Incident Managements.
• Attended multiples CDE (Critical Data Element) calls to create project plans with customer for new server procurements.
• Worked with different teams (EMC, NI (Network Infrastructure), Security, TSM) for delivering new server procurements.
• Good Understanding of business requirements, capacity planning, Vendor management, team co - ordination, business migration. Patching and Packages rollouts.
• Expert experience in install / rebuild servers in Red Hat Linux 5, x & 6.x for both virtual and physical servers.
• Experience on Vagrant, AWS and Kubernetes based container deployments to create self-environments for dev teams and containerization of env’s delivery for releases
• Migrated legacyF5LTM and GTM appliance to newer version appliances
• Created complex rules utilizing TCL scripting to performloadbalancing decisions. Supported a LargeF5application delivery (LTM, GTM, ASM, APM) infrastructure of about one hundred nodes
• Deployed Enterprise manager to monitor and manage over fifty BigIPF5devices. Engineered traffic management solutions, including designing, low level engineering forF5LTM, GTM
• Expert LevelF5LTM, GTM andF5Big IP Administrator.
• Helped Oracle DBA’s in setting up ASM devices on red hat physical servers.
• Deleted instances as per the decommission request in OpenStack environment.
• Worked on Installation and configuration of various services like DNS, DHCP, NFS, Sendmail, Apache Web Server, Samba, SSH, http, RPM, package management.
• Experienced in OS (Solaris, Linux, and AIX) level patching and level recovery.
• Experience in Linux Virtualization implementations such as VMware.
• Created/written backup scripts to transfer the XEN virtual machine images to DR site.
• Worked on Setup and configuration of Apache in Red hat.
• Helped in analysis for HP and Dell physical servers for migration and update the runbooks with ILOs and iDRACs.
• Expertise in DevOps, Release Engineering, Configuration Management, Cloud Infrastructure, Automation. It includesAmazon Web Services (AWS), Ant, Maven, Jenkins, Nagios, Docker, Puppet, Chef, SVN, Github, Linuxetc.
• Re-IP of ILO and DRAC for migration activity.
• Worked on INC’s with hardware team on swapping failure components on HP, Dell and IBM P-Series servers.
• ImplementedTeam Foundation Server (TFS), Subversion, GitandGitHubas Version Control tools.
• Install and configure RHEL 5/6/7 on HP ProLiant servers.
• Worked on IaaS with experience in (vSphere / ESXi / AWS / OpenStack)
• Worked on Installing KVM (Kernel Virtual Machine), configuring KVM Virtual Network, and creating KVM Networked Bridge Interface, creating KVM Virtual Machines.
• Expertise in configuration Management using CVS, SVN and well versed in code management using Repositories.
• Worked on installation and configuration of DevOps tool Puppet.
• Worked on Automation of task using Puppet. Application as wells as any upgrade to the nodes were push through puppet.
• Worked withscriptinglanguages Linux, ShellscriptingandPython.
• Experience in using Subversion and CVS Version Control.
• Set up the satellite server and planned for system updates.
• Worked and Implemented multi-tier application provisioning in OpenStack cloud.
• Wrote Ansible Playbooks withPythonSSH as the Wrapper to manage configurations of AWS Nodes and Test playbooks on AWS instances usingPython
• Experienced in supporting Red Hat Satellite server, RHN.
• Experienced floating IPs for the desired project in OpenStack.
• Deployed virtual machines on OpenStack.
• Have excellent knowledge onPythonCollections and Multi-Threading.
• Expertise in systems performance monitoring & tuning for CPU, disk, memory and network utilization.
• Extensively worked with Nagios for performance monitoring.
• Adding and deleting DNS entries in OpenStack.
• Experienced in Installation and Configuration of Web Sphere Application server V3.5/4.0/5.x,6.x, IBM HTTP Server, Webserver on AIX, Solaris and Linux platforms.
• Use nova commands to modify or alter OpenStack instances as per the requirement.
• Planning and Designing VMware VI3 (ESX3.x/ ESXi/ Thin ESX and VMware Virtual Center).
• Configuring & Troubleshooting NFS Servers and Clients, in UNIX Environment.
• Strong knowledge with EMC storage in AIX, troubleshooting EMC Power Path issues and Lun's configuration.
• Worked on Open stack dashboard to attach or detach interfaces for existing instances.
• Implementation of RAID levels like 0, 1, 0+1, 5 using VERITAS Volume Manager.
• Experience on Korn Shell, Bash, Perl, Python scripting.
• Worked on creating documentation as well as worked on 24X7 call rotation support.

TECHNICAL SKILLS

Operating System: RHEL 3.x, 4.x, 5.x, 6.x, 7.x Centos 4/5, AIX, Ubuntu, SUSE, Cent OS, Windows XPWeb/Application Server Apache, Tomcat, WebSphere, WebLogic, and J2EE

DevOps: Puppet, Chef, Ansible, SVN, GIT

Languages: HTML, Bash, Shell, Python, Ruby Scripting

Network Services: DHCP, Send mail, HTTP, Samba, NIS, NFS, DNS, SSH, FTP, LAN, WAN, TCP/IP, TELNET

Virtualization: VMware and VSphere

Monitoring Tool: Nagios, Cacti

Firewall: IP-Chains, Iptables, NAT

Storage: SAN, EMC Symmetrix / Clarion, iSCSI, SNAP, NAS, DAS, and LPAR

Backup Management: VERITAS NetBackup 4.x/5.x/6.x, Ufsdump, ufsrestore, tar, dd, cpio

Cluster: VERITAS Cluster Server (VCS), Sun Cluster, HP Service Guard, AIX HACMP

Cloud Platform: AWS, Microsoft Azure and Rackspace, Open stack

Third Party Software: VERITAS Volume Manager, POSTGRES Enterprise Manager, LVM, LDAP, SSH

PROFESSIONAL EXPERIENCE

Confidential, Phoenix

SRE/System & DevOps Engineer(Linux/Unix)

Responsibilities:

• Setup and build various AWS infrastructure resources,VPC, EC2, S3, IAM, EBS, Security Groups, Auto Scaling, ELBandRDS in Cloud Formation JSON templates.
• Maintained the user accounts(IAM), RDS, Route 53, VPC, RDB, Lambda, SES, SQS, and SNSservices in AWS Cloud.
• UtilizedKubernetesandDockerfor runtime environment of the CI/CD system to build, test and deploy.
• Container management using Docker by writingDocker filesand set up the automated build on Docker HUB, installed and configuredKubernetes.
• Worked on POC forWindows Azure migrationlike CreatingAzure VMs, Storage accounts, Storage pools, migrating On-premise servers toAZUREand creating availability sets in Azure.
• Implemented and managed company-wide fully automate continuous integration build and deployments usingChef, Ansible, Jenkins and Octopus Deploy.
• Provided R&D consulting to solve bandwidth throughput issues around RedHat for their custom big data SAS analytics IaaS, PaaS, and SaaS platform.
• ImplementedAnsibleandChefto manage all existing servers and automate the build/configuration of new servers.
• Configured and implementedELB,F5 Load Balancersto maintain global and local traffic across various environments.
• Worked on IaaS, PaaS, SaaS, DBaaS, Microsoft Azure and Amazon Web Services. Implement and review cloud security with Azure OMS Log analytics.
• Administered and supportedGitHubEnterprise version control tool.
• Utilized a combination ofTerraformandAnsibleto create multiple VPCs, subnets, and servers to serve multiple clients in a secure and compliant fashion.
• Build Automation and Build Pipe Development usingJenkinsandMaven.
• Building/MaintainingDocker Container clustersmanaged byKubernetes, Linux, Bash, GIT, Docker.
• UtilizedKubernetes and Dockerfor the runtime environment of the CI/CD system to build, test and deploy.
• Key focus on defining and implementing amonitoring strategy(metric collection, persistence, and use - building patterns for alerting and dashboarding). This includes definition of tagging standards, technology selection, integration, documentation, and automation.
• Experience in real-time monitoring and alerting of applications in AWS usingCloud Watch, Cloud TrailandSNS.
• Built, implemented, and maintained hardware and software infrastructure tohost TFSas aSaaS solutionincluding.
• Administration of DevOps tools suite:Jenkins, GitHub, JIRA, Confluence, PuppetandELK stack, usedRundeckfor deployment and orchestration.
• SetupZabbixas an infrastructure monitoring tool.
• Developed automated provisioning and deployment system usingPuppetcustom modules and manifests
• Implemented Monitoring and logging usingNew Relic, DataDog, ELK Stack, Splunk.
• Migrated Legacy VMWare infrastructure to AWS Cloud usingChef, Terraform, CF templates.
• Worked on POC forDocker Data Center (DDC).
• Migrated all physical single SAAS servers to Microsoft Hyper-V (p2v) to increase availably, portability, and power consumption
• Resolved crucial issues related toLinuxserver,Puppetand monitoring for Dev environments.
• SetupUniversal Control Plane (UCP)for management and orchestration of the Docker environment andTrusted Registry (DTR) for Docker image collaboration, management and security.
• Experience withPatchingandCertificatemanagement.
• SetupJenkinsBuild server and maintenance.

Environment: AWS EC2, VPC, S3, EBS, ELB, Security Groups, Auto Scaling, RDS, CloudFormation Templates, Route 53, Lambda, SES, SQS, SNS, Azure, Terraform, Chef, Ansible, Vagrant, Docker, Kubernetes, DDC, Splunk, New Relic, Datadog, GIT, BitBucket, Jenkins, Octopus Deploy, Artifactory, Maven, MSBuild, PowerShell, Bash, Python, Ruby, PagerDuty, JIRA.

Confidential, Scottsdale, AZ

Responsibilities:

• Experience in zoning, provisioning, SAN/ NAS connectivity, configuring thin pools/ devices, Replication that includes Hitachi Universal replicator.
• Provided 24x7 System Administration support for Red Hat Linux servers and resolved trouble tickets on shift rotation basis.
• Experienced in working with Storage Area Network (SAN), EMC Clarion CX, EMC Symmetrix DMX, EMC Mirror View, HP storage and Hitachi data storage.
• Experienced in Writing and Updating Shell Scripts and Perl Scripts. Installed and configured new hard drives and memory upgrades.
• Performed troubleshooting, fixed and deployed many Python bug fixes of the two main applications that were a main source of data for both customers and internal customer service team.
• Good experience of using Configuration Management DevOps tools like Chef, Puppet & Ansible for deployment on multiple platforms.
• Installed and configured an automated tool Puppet, which includes Puppet master, agent nodes and an admin control workstation. Manage VMware Infrastructure clusters on Production Test/Development environments
• Involved in designing databaseModel, API's, Views using python to build an interactiveweb-based solution.
• Working in storage administration/implementation - design, deployment and maintenance of SAN/NAS environment.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Managed Compaq and Linux workstations and servers.
• IdentifyHost Architecture, HBA, LVM, SVM, VxVM/VxFS, Drivers, BIOS Firmware Versions,
• Remediate Patches, PackagesandDrivers as per Hitachi Compatibility MatrixOnSolaris 10/11, Red Hat Enterprise Linux 5/6, SUSE Linux 10, AIX 5.2/5.3/6.1.
• Created File systems from local storage as well as NFS partitions for application portability
• Automated routine tasks using scripting languages like Ruby and Python
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
• Installation and configuration of Oracle 7.x/8.x.
• Deployed puppet, puppet dashboard and puppet DB for configuration management to existing infrastructure.
• Proficient with container systems likeDockerand container orchestration likeEC2 Container Service,Kubernetes, worked withTerraform.
• ManagedDocker orchestration and Docker containerizationusingKubernetes.
• UsedKubernetesto orchestrate the deployment, scaling and management of Docker Containers.
• Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments.
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Puppet.
• Involved in integrated vSphere hypervisor with OpenStack
• Migrated Control-M servers to new hardware
• Wrote bash shell scripts for getting information about various Linux servers
• Installed and Configured Send mail Utility on Linux Servers.
• Administered NFS Mounts.
• Executing LVM (Storage Methodology), Performance monitoring, Error logging, Diagnostics, for all UnixServers
• Created puppet manifests and modules to automate system operations.
• Installing and configuring Cassandra, Kafka, Redis, Elastic search and build load balancer.
• Involved in Open system Storage Environment that involves products like Hitachi (USP, VSP).
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN using Linux utilities
• Monitored overall system performance, performed user management, system updates and disk & storage management
• Expertise in Puppet for applying patches, writing missing test code, verifying filed bugs, and provided support anything else related to development.
• Installed VERITAS Volume Manager, VCS Cluster Server for failover and for mirroring and raid level configurations on EMC storage frames.
• TDR and examination of disaster recovery plans
• Experience managing medium - large projects simultaneously using well developed sound project management skills
• Worked on Technical Project Management in an Agile Framework (Scrum, Kanban) and Atlassian (Jira/Confluence)
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Puppet.
• Performed OS upgrades and Patch loading as and when required.
• Scanning for Vulnerabilities on allUnixServers after new VM and physical build, resolving if any issues are found Backing up and restoring files across the network.

Environment: Red hat Enterprise Linux 4, 5.5, 6.5,7 Shell Scripting, NFS, Samba, Puppet, SVN, GIT, AWS, Web Sphere, DNS, Tomcat, Apache, LDAP, VMware, Dell, HP ProLiant server, VMware, VSphere, VCenter 5.5,5.1, ESXI 5.5,5.1,5.0

System/Devops Engineer (Linux/Unix)

RESPONSIBILITIES:

• Installation and configuring Red hat Enterprise Linux 5.x/6.x, Suse Linux, CentOS and AIX servers in development test and production environments
• Extensively worked on ansible deployments, written various ansibleplaybookswith multiple roles, tasks withloops,templates, service management, host variables, group variables etc.
• Created a reusable deploy distribution for the system which can be ported to multiple environments without having the need to run separate builds.
• Use of Docker andOpen Shiftto manage micro services.
• Automate Deployment using configuration Management tool like puppet to provision amazon AWS Instances to enable continuous Deployments.
• Involved in usingTerraformandAnsible, migrate legacy and monolithic systems to GCP
• ConfiguredDockercontainer for branching purposes. Virtualized the servers using theDockerfor the test environments and development environment
• Extensive working experience with broad range of AWS Cloud Services like EC2, ELB, AutoScaling, VPC, Route53, RDS, S3, IAM, Elasticsearch and CloudWatch. Exposure to DynamoDB.
• Designed Puppet Modules to manage configurations and automate installation process.
• DevelopedCI/CDsystem withJenkinson Google'sKubernetescontainer
• Virtualized the servers using theDockerfor the test environments and dev-environments needs, and configuration automation usingDockercontainers.
• Extensively used Docker containers for testing Cassandra
• Experience onAnsible PlaybookswithPython SSHas the Wrapper to Manage Configurations ofOpenStackNodes and Test Playbooks onAWS instancesusingPython.
• CreatedAnsiblePlaybooksandPuppetManifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications.
• Experience with configuration management and automation tools (Puppet/ Docker)
• Wrote Python routines to log into the websites and fetch data for selected options
• Writeterraformscripts from scratch for building Dev, Staging, Prod and DR environments
• Configured Cassandra user authentication across LDAP.
• Helped individual teams to set up their repositories in bit bucket and maintain their code and help them setting up jobs which can make use of CI/CD environment using Jenkins.
• Follow all proper procedures for excess of equipment, including tracking all production equipment of ESOC consolidation.
• Streamlined installation ofOpenShifton partner cloud infrastructure such as AWS and Azure.
• Exposure to automation in Ansible using its Python API.
• Deployed puppet, puppet dashboard and puppet DB for configuration management to existing infrastructure.
• Worked on Python Open stack API's.
• Used Python scripts to update content in the database and manipulate files.
• Used Zabbix as monitoring tool and used Zabbix plugin for Grafana for analysis & visualization.
• Experience in LVM and Raid management Experience in Linux system services such DNS, DHCP, NFS, Samba, LDAP, Puppet, Apache/Tomcat, GIT
• Wrote and executed various MYSQL database queries from Python using Python-MySQL connector and MySQL dB package.
• Worked on Open stack nova and neutron for instances and network in open stack.
• Building the HV’s and adding them to the open stack cloud.
• Worked on the break-fix the servers for which having the hardware fail and addressing it them to the vendor and replace the hardware.
• Upgrading Puppet server by installing the packages and migrating from Rack to Puppet servers.
• Updating Puppet agents and updating Debian Agents.
• Migrated Puppet 3.x to Puppet 4.x / Puppet 5
• Experience on different hardware’s HP, Dell and Supermicro and break-fix them.
• Building the HV’s and Bare metal with Ubuntu and Red hat.
• Worked on a project Zeus for the hardware health check and for the on-boarding HV to the cloud
• Automate different workflows, which are initiated manually withPython scriptsandUnix shell scripting.
• Experience with container-based deployments using Docker, working with Docker images, Docker hub and Docker registries, installation and configuring Kubernetes and clustering them.
• GeneratedPython Djangoforms to record data of online users and usedPyTestforwriting test cases.
• Knowledge on Deploying Couch base, Tomcat and Elastic search clusters usingDocker.
• Integrated GIT into Jenkins to automate the code check-out process
• Troubleshooted build issues during the Jenkins build process.
• DevelopedPython web servicesfor processingJSONand interfacing with the Data layer.
• Involving with different teams for trouble shoot the issue like networking team and sites
• Operationally supported systems in Open Stack Networking and security administration and troubleshooting. Designed, built, and deployed multitude applications utilizing Open stack focusing on high-availability, fault tolerance, and auto-scaling

ENVIRONMENT: Red Hat Linux 4.x, Oracle 7.x/8.x, SUN, DNS, Sendmail, NFS, Solaris, LVM, Bash, Shell.

Confidential, Dallas, TX

Systems/Devops Engineer (Linux/Unix)

RESPONSIBILITIES:

• Installation, configuration and administration of Red Hat Linux servers and support for the servers till build warranty period.
• Installation, maintenance and regular upgrades of Red Hat Linux Servers using kickstart based network installation
• Experienced in Writing and Updating Shell Scripts and Perl Scripts. Installed and configured new hard drives and memory upgrades.
• Provided 24x7 System Administration support for Red Hat Linux servers and resolved trouble tickets on shift rotation basis.
• Familiar with all majorPaaSplatforms such asGoogle App Engine,OpenShift, Cloud foundry,CloudBees, etc.
• Worked on HDS Storage migrations from USP to VSP arrays.
• Involved working with aPaaSsolution such asRedHat Openshift.
• Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks
• Worked on Remedy Ticketing.
• Worked on Data Centre Disaster Recovery (TDR) Technical Team support for Technology Services’ Application community and Infrastructure Services teams.
• Implemented NFS, DNS and NIS on SUN Solaris servers.
• Work with team of developers onPythonapplications for RISK management.
• Coordinated with the Storage, Network and Hardware teams on server provisions (HP ProLiant DL385/585 G5, G6 servers, and HP BL465C G5 blade centers).
• Wrote bash shell scripts for getting information about various Linux distros for migration activities.
• Installation and configuration of VERITAS Storage Foundation Suite: VERITAS Volume Manager, VERITAS File System, VERITAS Cluster Server and Oracle SF RAC.
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation
• Installed and Configured Send mail Utility on Linux Servers.
• 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 Multi path.
• Administered NFS Mounts on AIX and Red Hat Linux servers.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN using Linux utilities.
• Deployment of new nodes using Puppet. Configured new nodes to enterprise setting. Worked on automating task-using Puppet. Application as wells as any upgrade to the nodes were push through puppet and cloning it to Gitlab.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Machines with shared storage across EMC clariion, Dell and Open filer SANs.
• Working on Power Path upgrades on Redhat and AIX servers.
• Installed and configured ESXI servers and VM virtual servers using VM-templates to facilitate server consolidation, migration and testing.
• Deployed virtual machines from templates and installed configured application in the virtual machine
• Involved in Planning, building and Administration of various High Availability clusters and heartbeat checking on Sun Solaris using VCS in heterogeneous SAN environment.

ENVIRONMENT: Red Hat Linux 4.x/5.x/6.x, AIX 5/6, Sun Solaris 8/9, DNS, SENDMAIL, NFS, LVM, Bash Shell.

Confidential

Jr. Linux Systems Administrator

Responsibilities:

• Worked as a System Administrator for AIX and Linux servers.
• Configured IBM p5, RS6000, 520,550,570,590,595,610,690.695 for production, staging and test environments.
• Install and configure DHCP, web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on AIX and Linux servers
• Created and managed user accounts, security, Access Control Limits (ACL), permissions, disk space and process monitoring inRedhat Linux and IBM AIX
• Monitored Disk & Memory Utilization on AIX 5.1, 5.2
• Experience using LVM creating VGs, LVs, and disk mirroring.
• Installed and set up Oracle9i and Websphere on Linux for the development team.
• Implemented Virtualization using VMWare in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• Hands on experience of HMC & LPAR.
• System performance monitoring and troubleshooting in AIX Environments.
• Creating users, managing user permission, maintaining User & File system quota in Redhat Linux and AIX.
• User management, security planning and implementation, Backup and restore Management.
• Perform korn shell and Perl scripting as needed to support integration and automation as necessary.
• Installed and configured ESXI servers and VM virtual servers using VM-templates to facilitate server consolidation, migration and testing.
• Deployed virtual machines from templates and installed configured application in the virtual machine

ENVIRONMENT: Red Hat Linux 4.x/5.x, AIX 5.x Servers in IBM P570, 550, 570, 590, 595, 610, 690, 695, HACMP 5.3, Suse Linux, IBM DS4300 Storage System, ESS Shark with SAN environment