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Site Reliability Engineering (sre) Resume

SUMMARY

  • 7+ years of IT experience, with strong expertise in the fields of Server Virtualization , Private Cloud , Storage , Networking & Operating Systems.
  • Extensive experience in providing cost - effective, scalable, secure and highly available business applications for enterprise customers in public and private clouds ( Amazon Web Services and OpenStack )
  • Extensive experience in building and maintaining OpenStack private cloud through Fuel, Kolla, Ansible and Puppet deployment Tools.
  • Expertise in Architecture designing and deploying OpenStack Cloud on multiple regions with CI/CD integration.
  • Expertise in designing and deploying Hadoop clusters on Private cloud (OpenStack)
  • Experience in designing multi AZ deployment of applications in public and private Cloud for high availability and with security.
  • Have lead efforts in areas of Design, Planning, Engineering, Product releases, Patch management for Private Cloud (OpenStack)
  • Operational experience with exploration and execution of Major Mirantis Fuel and OSA Platform upgrades along with major and minor version updates and upgrades.
  • Experience in Migrating instances between public and private clouds using automation scripts.
  • Expert at research & analysis, architecture and deployment of open source infrastructure tools.
  • Indepth knowledge and exposure of Server, Storage & Network Virtualization
  • Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
  • Professional Trainer in Training teams on OpenStack, AWS, Cloud and Virtualization.
  • Subject Matter Expert: OpenStack, Cloud, Application Orchestration, Software Defined Storage, Virtualization.

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TECHNICAL SKILLS

Operating System: Ubuntu, Redhat, Debian, CentOS 6.X/7.X.

Virtualization and Tools: KVM, ESXi, RHEV, Proxmox, vCenter

Containerization Tools: Docker, LXC

Cloud: OpenStack, Cloudstack, AWS, RackSpace

OpenStack Versions: Juno, Kilo, Liberty, Mitaka and Newton

Deployment Tools: Mirantis OpenStack 7.0/ 8.0/9.0, Kolla, OSA, Packstack

PaaS and Cloud Tools: Murano, OpenShift, Sahara, AWS CloudFront

Orchestration Tools: Heat, Cloudify, Apache Stratos, Scalr.

Applications: Active Directory, DNS, DHCP, Apache2, Nexus, LDAP

Monitoring/Alerting: Grafana, InfluxDB, Nagios, Zabbix.

PROFESSIONAL EXPERIENCE

Confidential

Site reliability engineering (SRE)

Responsibilities:

  • Owned system architecture discussion to determine requirements, constraints, and market factors for Elastic cloud build using OpenStack.
  • Researched trends pertinent to cloud, virtualization, storage, and continuous integration and provided optimal solution
  • Investigated, Desginged and upgraded OpenStack Elastic Cloud spread across 28 regions from Icehouse to Newton using OpenStack Ansible deployment tool.
  • Configured ceph to provide backend storage for OpenStack (swift and cinder) and also added Multiple storage backends to Cinder.
  • Developed custom in-house tool to auto generate capacity reports for all Hypervisors and Instances across various Regions.
  • Developed In-house tool to auto generate Capacity graphs used for forecasting the cloud resource utilization and automated the processes by pushing all graphs to wiki.
  • Involved in Architectural and Deployment designs for Major Upgrade of Elastic Cloud.
  • Provisioned Operating System on Bare Metal servers spread across racks using Canonical MaaS.
  • Provisioning and optimizing of compute, network, and storage services with OpenStack through dashboard, command-line and API utilities.
  • Troubleshooting any part of the lifecycle services within the OpenStack including message queues, database, compute hardware, and network connectivity.
  • Configured OpenStack nova availability zone, nova aggregates and respective flavors with meta data as per customer requirements.
  • Performed Puppet to Ansible configuration management tool migration across all regions.
  • Deployed, Managed and Operated multiple OpenStack distributions like Mirantis OpenStack, Kolla and OpenStack Ansible.
  • Deployed TIG-stack to monitor and alert the health of Nova, Neutron, Keystone and other OpenStack services.
  • Build and delivered custom images (Linux/Windows) for OpenStack Glance to automate provision, Install and run the applications.
  • Responsible for maintaining and forecasting budgets for all technological CapEx and OpEx cost centers
  • Developed in-house tool to reclaim unused quota resources across all regions and projects which helped in reclaiming nearly 40% quota back to cloud.

Environment: OpenStack, KVM, Ceph, Sahara, Hadoop, Murano, Networking, OpenStack Upgrade, GIT, Nexus, LINUX, REST API, TIG-stack, Orchestration, Architecture and Deployment.

Confidential

Senior OpenStack Engineer

Responsibilities:

  • Subject matter expert for the cloud initiatives, infrastructure architecture, design and implementation roadmap for Private clouds (OpenStack).
  • Architected and deployed private cloud using OpenStack for in-house projects accommodated with 4.5TB RAM, 38TB Storage and 2K+ Cores.
  • Implemented Hadoop infrastructure for HDFS/ZooKeeper/HBase/MapReduce on top of Private Cloud.
  • Operational experience with multiple OpenStack distributions like Mirantis OpenStack, Kolla and OpenStack Ansible project.
  • Performed numerous OpenStack deployments using Fuel, Kolla, Puppet, and Ansible
  • Operational experience with preparation and execution of Major Mirantis OpenStack Platform upgrades along with minor version updates and upgrades.
  • Build, deployed and managed OpenStack Environment using Mirantis Fuel 8.0 for in-house Cloud. Designed and architected cloud application deployment in OpenStack with Nova, Neutron, Keystone command line clients.
  • Migrated VM's from VMware ESXi to OpenStack Environment using virt-v2v packages.
  • Deployed Zabbix to monitor and alert the health of Nova, Neutron, Keystone and other OpenStack services.
  • Used Nova to take snapshots at regular intervals to ensure state availability in case of an AZ failure
  • Integrated Ceph distributed storage with Openstack Nova, Glance, and Cinder services.
  • Involved in designing and deploying multitple applications utilizing most of the AWS stack (Including EC2, Route53, S3, RDS, ELB, CloudFront, IAM) focusing on high-availability, fault tolerance, and auto-scaling.
  • Setup specific IAM profiles per group utilizing newly released APIs for controlling resources within AWS based on group or user.
  • Created S3 backups using versioning enable and moved objects to Amazon Glacier for archiving purpose.
  • Created load balancers (ELB) and used Route53 with failover and latency options for high availability and fault tolerance.
  • Build and delivered custom images (Linux/Windows) for OpenStack Glance to automate provision, Install and run the application.
  • Worked as part of DevOps Team for different internal automation and build configuration management activities.
  • Provided customized training to Team on Cloud, Virtualization, OpenStack and AWS.

Environment: OpenStack, KVM, Proxmox, Ceph, AWS, Sahara, Hadoop, Murano, Networking, Tomcat Apache, GIT, Nexus, LINUX, Data Center Migration, Hybrid Cloud, REST API, AWS, EC2, Orchestration, Architecture and Deployment Blueprints.

Confidential

OpenStack Engineer

Responsibilities:

  • Developed industrialized assets, blueprints, prototypes, use cases, point of views, design and build artifacts for Confidential Internal COE Private Cloud
  • Implemented Private Cloud blueprint by mapping OpenStack components to functional blocks.
  • Worked together with Data Center Operations and Network Security teams in seting up OpenStack Hypervisors across multiple regions.
  • Implemented horizontal auto-scaling using OpenStack components - Heat, Ceilometer and launched stacks from templates using the Heat Orchestration Service.
  • Experienced in migrating VMs from VMware to Private cloud with zero downtime.
  • Troubleshooting any part of the lifecycle services within the OpenStack including log files, message queues, database, hardware, and network connectivity.
  • Knowledgeable to write shell scripts to onboard new nova-computes (hypervisors) inorder to provide more VM capacity for Nova.
  • Explored Cinder to enable persistent storage for applications like databases deployed in OpenStack.
  • Experienced with Pacemaker and auto service recovery for OpenStack control plane services like RabbitMQ and Galera.
  • Advanced network troubleshooting using tcpdump inside namespaces and across physical network interfaces.
  • Deployment, operation, and troubleshooting of containers inside an OpenStack environment (OSA).
  • Debugged networking issues for VMs using tcpdump, ssh, netstat and other debugging tools.

Environment: OpenStack, Murano, OSA, Networking, GIT, LINUX, Nexus, KVM, CEPH, VPN and Zabbix

Confidential

System Administrator

Responsibilities:

  • Involved in configuring hardware and installing Windows and Linux operating systems on customer premises
  • Installed VMware ESXi on Dell Servers and configured Red Hat Linux, Ubuntu Desktop/Server, Windows 2K virtual machines for various applications.
  • Deployed and managed local apt repository for all Ubuntu servers.
  • Involved datacenter migration in large midrange environment.
  • Provided support for creating user accounts, security privileges to specific users and process monitoring in Ubuntu and RedHat Linux.
  • Monitored system performance statistics like storage, CPU utilization and network bandwidth utilization.
  • Documented system logs and error reports.
  • Network configuration and troubleshooting of network access for servers and clients especially on Ubuntu servers.
  • Managing system processes and installed services on Ubuntu servers.
  • Configured, implemented and maintained hardware RAID storage technology on servers.
  • Configured RAID controllers and disk storage shelves.
  • Created and updated network documentation and inventory
  • Managed and maintained large scale web and database servers.
  • Remediation and patching of Linux Servers.
  • Installation, configuration and Operating System upgrade for Red Hat Linux and Ubuntu.

Environment: Windows Server 2008, Linux, Hardware, apt and yum repository, patching, networking, RAID.

Confidential

E-Commerce Specialist

Responsibilities:

  • Designed developed maintained and updated a variety of web sites as assigned.
  • Assisted other design staff members with various aspects of site maintenance as needed.
  • Updated web style sheets and pages on a regular basis and as required.
  • Coordinated various web pages with appropriate links and multimedia elements in collaboration with design team members.
  • Prepared site update reports for submission to management on a regular basis.
  • Managed all aspects of online shopping website, including publishing, updating, and managing content.
  • Edited and published monthly member newsletter.
  • Designed and published a new weekly member email update with online discount sale events and news.
  • Photographed Club events for uploads to website and newsletters.
  • Promoted sales by updating and enhancing bookstore website through marketing and campus activities research
  • Created customer newsletters and promotional emails using HTML templates and hyperlinks to product information.

Environment: Windows Server 2008, Linux, WordPress, Web Designing, E-Commerce, Magento, Marketing.

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