Vinay Tej

OpenStack Cloud Engineer

ac425s@r.postjobfree.com 251-***-****

Summary:

Around 6 years of experience in software design, Cloud, application support, deployment and configuration. Strong working experience in Operations, Cloud technologies, Deployment, Automation and Build and Release, Change Management, Process Engineering.

•Exposure to the automation on Linux environments using automation tools such as Puppet, Chef, and Ansible.

•Exposure on Cloud Platforms such as Openstack and AWS

•Experience in Managing/Tracking the defects status by using JIRA tool and Planning & resolving the issues

•Troubleshooting the deployment issues (Openstack)

•Wrote puppet manifests for deploying, configuring and managing collected for metric collection and monitoring.

•Developed Puppet modules to automate deployment, configuration and lifecycle management of key clusters.

•Extensive experience leading technical team both onsite and offshore models.

•Good knowledge of Application Architectures in AWS Public Cloud and OpenStack Private Clouds.

•Experience in deploying and maintaining private cloud infrastructure of OpenStack.

•Experience in building new OpenStack Deployment through Puppet and managing them in production environment.

•Experience in development and management of configuration modules, and manifests using Puppet.

•Experience in automating provisioning of resources in AWS EC2 (Auto-scaling groups, networks, VMs), OpenStack Nova (VMs, images) and Neutron (networks, ports and routers).

•Versed in Cloud infrastructure architecture and services.

•Responsible for Operating System maintenance activities like upgrading the OS, updating the services and third party software.

•Worked on maintaining integrity of Linux, Solaris servers by performing patching operations on regular basis.

•Working knowledge of Firewall scripts, and securing Linux production systems.

•Installation and configuration of Web Application servers like Apache, PHP, Tomcat, WebLogic and SSL management.

•Proven experience leading R&D cloud projects; building and implementing Cloud solutions within diverse enterprise environments.

•Excellent communications, stakeholder and sponsor engagement and presentation skills; successfully developed and delivered multiple customer demonstration presentations for Cloud technology solutions.

•Quick learner and excellent team player having ability to meet tight deadlines and work under pressure.

•Created extensive documentation, including straight forward how-to procedures for common administrative tasks.

•Lightweight virtualization with Linux Containers and Docker

•Ability to build automated scripts and coordinate with the software development team Comprehensive knowledge of software development life cycle.

TECHNICAL SKILLS:

•Operating Systems: Linux variants (Centos,Ubuntu)

•Scripting: Shell Scripting,Python

•Cloud : Openstack, AWS

•Cloud Deployment Tools: Mirantis Fuel

•CI: Jenkins

•Containers: Dockers

•Logging Tools: ELK stack.

•Configuration Management: Puppet,Ansible,Chef

•Database : MySQL,MongoDB

•Monitoring Tool : Zenoss,Nagios

•Ticketing System: JIRA,ITrack and Manage Engine

•Other tools: Slack, IRC, Q, Splunk.ELK

PROFFESIONAL EXPRIENCE:

Juniper Networks

Sep-Present

SDN/NFV Engineer

Responsibilities:

•Deployed Redhat OSP7 undercloud and overcloud in production using Ansible tower. Worked on pre-installation tasks and post configurations of openstack deployment.

•Used rally to verify the deployment of openstack on multi-node environment.

•Worked on HEAT and designed VNFs according business requirements.

•Worked on configuring and installing openstack on dockers for uCPE (dell 800series) equipment.

•Expertise in deploying VNFs using HPE NFVD and ECM orchestrators.

•Designed and deployed Infoblox DNS VNF through HEAT and HPE NFVD orchestrator.

•Configured Viptela vEdge and Cisco CSR1000K routers to Viptela controllers using ECM.

•Expertise in working on WBs (uCPE environment) from ADVA, which runs openstack on docker containers.

•Involved in network design discussions with SDWAN teams to provide VNFs according to customer requirements.

•Conducted troubleshooting sessions with onsite engineers to set the devices for monitoring through orchestrator VPN and Assurenow MPLS PIP networks.

•Integrated Juniper contrail to openstack in development environment.

•Sole responsible for handing over the Datacenters in prescribed time frame.

•Worked with juniper team while configuring contrail API interfaces.

•Expert in using juniper contrail as end user (for creating networks, policies, port mirroring, qos and service chaining).

•Knowledge on Open vSwitch Openflow tables.

•Expertise in using REST APIs from external clients like postman.

•Integrated VNF specific APIs to Orchestrator tools.

•Involved in automation and integration of orchestrator APIs to north bound applications.

•Part of a team, which created a centralized tool (sitebot) for checking OpenStack site status

•Integrated monitoring tools to Openstack and Orchestrators

•Written Nova, Glance, Neutron, Cinder, Keystone, Swift, python client API to integrate with existing Application.

•Customized Horizon dashboard to invoke client application REST API.

•Written Virtualization Layer API (eg KVM/libvirt and ESX/vCenter API).

•Implemented multi-tier application provisioning in openstack cloud, integrating it with Ansible.

•Used Ceilometer for Monitoring and altering with Heat.

•Automated operations using scripting languages, including Ruby and Python.

•Jenkins is used as a continuous integration tool for automation of daily process.

•Used SQL quarries to check the data integration and Oracle database.

•Created Heat templates to deploy VNFs on openstack manually.

•Good understanding on DPDK and SR-IOV and implemented on VMs.

•Used Cinder to enable persistent storage for applications like databases deployed in openstack.

• Debugged networking issues for VMs and openstack Control plane using tcpdump, Ssh, SCP, netstat and other debugging tools.

• Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs web servers.

• Provide technical support for Juniper SDN based solution like contrail, NFV. Contrail Cloud Platform is an integrated turnkey cloud management platform that is hardened from open source technologies including Openstack, OpenContrail, Ceph, and Puppet. It is a foundational element of junipers open cloud networking and Network Functions Virtualization (NFV) solutions.

•Review, write and improve documentation to help customers with installation, troubleshooting, maintenance and monitoring of the Products.

•Installed patches and upgrades for ECM in production and dev environments.

•Installed and configured HP blade systems c3000/c7000 chassis enclosure and enclosure devices.

• In-depth working knowledge of large IP backbone network routing, such as BGP, OSPF and relationship to Openflow

•Hands on knowledge and subject matter expertise in IP networking technologies: Layer 2-4 protocols, IP network architecture, application traffic flows, cloud security architecture, and security best practice.

•Strong background in cloud computing, virtualization, SDN Orchestration, network and security service automation, such as CloudStack, Openstack, Docker, Containers, Opendaylight, ONOS, Netconfig, and Yang.

•Supported ECM orchestrator in production environment for 24/7.

•Used JIRA to track defect status and VNF design status.

Environment: Linux, Openstack (RHEV), Docker, SDN/NFV, Postman, Python, Orchestrators (HPE-NFVD, ECM), HEAT templates, Networking (L2 & L3), ADVA uCPE, Juniper&Viptela SDWAN Controllers, JBOSS EAP, Zookeeper, Ansible, TLS, JSON.

AT&T Integrated Cloud (AIC) Openstack

July 2016 – Sep2017

Devops Engineer (Cloud)

AT&T is a legacy telecom which is transforming itself by adopting virtual infrastructure and a software defined networking focus in order to compete in the market and create value for customers in the next years and beyond.

AT&T chose OpenStack as the core foundation of their cloud and virtualization strategy

OpenStack serves as a critical foundation for AT&T's software-defined networking (SDN) and NFV future. AT&T has deployed 70+ OpenStack (Juno & Kilo based) clouds globally, which are currently operational. Of the 70+ clouds 57 are production application and network clouds.

AT&T plans 90% growth, going to 100+ production application and network clouds by the end of 2016.

Responsibilities:

•Handled and Lead End-End openstack deployments in AT&T data centers across the globe using Mirantis Fuel for deployments.

•Openstack Admin experience in SDN/NFV project space.

•Familiarity and practical experience with virtualization technologies and protocols such as vxLAN, SR-IOV, Hypervisors, vSwitch, Virtual Machines and orchestration tools

•Sole responsible for handing over the Datacenters in prescribed time frame.

•Lead the entire testing phase of the Datacenters after the deployment, and make it as production ready Datacenter.

•Build server deployment on Cloud (EC2) servers with help of DevOps tools like Puppet.

•Maintain a Live Like environment to test any production issues on the setup and push it into production.

•Implemented Continuous deployment and environment provisioning using Ansible,

•Experience in using docker containers.

•Ensure uptime and availability of our proprietary-cloud environment

•Administer OpenStack networking environment and supporting hardware switches and firewalls

•Administer mixed hypervisor environment of VMware & KVM

•Assist in implementing cloud solutions for clients in our proprietary-cloud environment

•Implement scripts to automate provisioning, management, and monitoring of our proprietary-cloud environment.

•Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.

•Worked on scripting technologies shell, bash, Perl and python, Implemented Shell and Perl scripts for release and build automation. Manipulated and automated scripts to suit the requirements

•Working with and assists the Director of Cloud Services in the support and administration of our proprietary-cloud environment.

•Assist in architecture and design decisions

•Design, maintain, monitor and automate our cloud-based platform in Amazon Web Services (AWS).

•Troubleshooting production issues and performing On-Call duties, at times.

•Continually improve, automate and document our deployment process.

•Collaborate with Product Managers, QA and Engineering teams.

•Take ownership and respond to problems and incidents, resolving or escalating as needed.

Automation:

Automated the Openstack installation (Keystone, Glance, Swift, and Percona) multinode-HA process using Puppet and integrated keystone with ldap.

Automated and modified Openstack components using Puppet according to internal architecture Puppet code to work with Openstack HA using Haproxy and Keepalived.

Integrated Neutron with Opendaylight controller and automated the process of configuration and installation

Worked on several MOP’s and User stories and automated the process of installation and configuration.

Developed internal deployment tool (Ops-simple) using Ansible as backend for deploying Non-Openstack or AT&T internal tools (Security, Orchestrator, Monitoring etc.)

Deployments:

Handling and leading End-End deployments for many sites in AT&T using Mirantis Fuel.

Handling and leading infrastructure upgrades.

Handling and leading Juniper Contrail Upgrades.

Handling and resolving Openstack related issues after the deployments and made the deployed environment to work without any issues.

Operations:

Worked on Infrastructural and cloud related (Openstack, Linux, Deployment) issues during the pre-production and production testing.

Work closely with testers to resolves the issues at different testing phases.

Environment: Puppet, Ansible, Chef, Openstack, Linux (Ubuntu), KVM, Fuel, SDN Juniper Contrail, JIRA, GitHub, Gerrit, Jenkins

One convergence

July 2013 - Dec 2014

Associate Linux Administrator

Responsibilities:

•Installing Linux using Kickstart and applying security policies for hardening the server based on the company's policies.

•Configuration of LVM (Logical Volume Manager) to manage volume group, logical and physical partitions and importing new physical volumes.

•Installing and updating packages using RPM.

•Managed users, disks, group’s administration, File Sharing Permissions, backup and restore operations, and networking service.

•Configuration and installation of DHCP, DNS, web (Apache), mail (SMTP, IMAP, POP3) and file servers on Linux servers.

•Setup, configured and maintained NFS, NIS, and TCP/IP network, setting up SSH and SCP features between hosts.

•Setup user and group login ID's, password and network configuration.

•Implemented early stages of a continuous integration process based on Jenkins..

•Automate configuration through Puppet.

•Configurated the DHCP, tftp service on the server and use the Kickstart to create the installation script.

•Edit the script to configure more options for the Linux system and install through the pe model.

•Install two virtual machines on Linux system by KVM virtualization.

•Troubleshoot some system problems like MRB, grub, inittab and some other kernel malfunction.

•Manage the users and permission.

•Maintenance, performance, tuning and testing of servers for proper functioning.

•Network troubleshooting using 'netstat', 'ifconfig' and Worked closely with vendors on Hardware Problems, software fixes.

•Managing routine backup, scheduling jobs, enabling system logging and network logging.

•Troubleshooting tickets using BMC remedy.

•Developed bash shell scripts to automate routine activities.

Environment: Linux (ubuntu), Zenoss, Nagios Monitoring, JIRA, Atlas Asian Tools, Git, Puppet, Ansible, Chef.

First net technologies, Hyderabad

Network Operations Engineer

May2011- July 2013

Responsibilities:

•Responsible to solve technical Problems related System administration (Linux of Our Clients)

•Handling the day-to-day Operations, Install software, apply patches, manage file systems, monitoring performance and troubleshoot alerts.

•Maintain 99.98% uptime of LINUX production servers and follow proper escalation.

•Used Jira as ticket tracking and work flow tool.

•Implemented automations tools DevOps

•Building & configuring Redhat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.

•Installing and configuring Linux locally or over the network-kick start- (nfs, ftp, and http).

•Monitoring system performance, Server load and bandwidth issues.

•Work with DBAs on installation of DB, restoration and performance tuning.

•Installing open source application, search, analyze and develop new application for users.

•Implement the policies for the users of the computer system and network.

•Regularly manage backup process for Server and Client data.

•Troubleshoot different alarms and replace the faulty module and equipment as required.

•Place equipment in rack and cabling according to instructions from internal hardware power & placement team.

•Supervision of complete installation of network equipment, racking, cabling and safety standard.

•Initiate, Update and close trouble tickets and providing accurate and relevant information in a timely manner.

•Backup the server and client computers data and maintain the records.

•Familiarize end users on basic software, hardware and peripheral device operation.

•Track hardware and software inventory and maintain the records.

•Liaise with IT service vendors, internet service provider and various other IT personnel for problem resolution.

Education Details:

MASTERS: University of South Alabama, Computer Science, 3.7 GPA

BACHELORS: Osmania University, Computer Science, 3.5 GPA.

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