Responsible for the systems and applications that are running in the production environment that are available and performance as expected 24/7/265.Ensuring the high availability, performance, and scalability of the Kubernetes clusters and associated infrastructure.Configure and maintain logging and monitoring solutions, such as Splunk, Prometheus/Grafana/AlertManager to ensure that the infrastructure is performing optimally and to detect and responses to issues.Provisioning and managing AWS infrastructure and resources, such as EC2, VPC, S3, IAM, RDS, SNS, etc. Automate tasks and processes using tools such as Terraform, Ansible and Boto3.Using Ansible automating and streamlining production operations processes, including deployments, backups, and disaster recovery.Ensuring security and compliance of all production Linux systems.Collaborating with other teams to ensure the seamless deployment and delivery of software applications.

● Managing and monitoring >1000 servers in the cloud and on-premise● Managing AWS infrastructure with automation and orchestration such asCloudFormation, Terraform, Ansible, and Boto3.● Monitoring and managing billing and cost optimization (AWS) to reduce costs.● Automate rotation of IAM user Access and Secret Keys via Lambda functions● Work with software developers and security team to design and build applicationsand services within AWS and/or other cloud providers.● Implemented system lifecycle automation processes with Ansible for configurationmanagement and software deployment.● Provided infrastructure services to researchers and R&D teams.

● Responsible for administration and maintained a Data Center, Github Enterprise,Jenkins, Gerrit, VMware vSphere 5. x, EMC/Isilon, Ansible, SaltStack, Fabric,Nagios, Nexus 9K, UCS Manager.● Support and train new developers on Jenkins, Git, Docker, Ansible, and help thedeveloper team on new web projects.● Design and deploy Cisco Unified Computing System with VMware vSphere 5.5 up to300 VMs.● Create an Ansible playbook to automate system configuration Jenkins nodes,Mesos, haproxy, NTP, Nagios clients, and etc.● Configuration and management of in-house data center equipment included CiscoNexus, Fabric Interconnect, UCS Chassis, HP Chassis, and all Softwaredevelopment.● Provide support and work closely with teams across the company (on different sites)including Engineering, DBA, Web, and Product

● Supported Enterprise systems in HQ and remote campuses.● Maintain more than 2500 Linux (Oracle-Linux, RedHat, CentOS, Fedora, Debian,and Ubuntu) servers both in production and development environments.● Responsible for deployment and setup of domains/zones in external DNS serversand assign Public IP Addresses. Also write scripts to verify and install the puppetclient, software packages, and backup (Avamar) client on production anddevelopment servers.● Install, setup, maintain VMware ESX Server 3.5/4.x, Networking, VMotion, Storage,and VirtualCenter 2.5/4.x. Deployment new Virtual Machines, and managecluster/pool resources.● Provide support and work closely with teams across the company (on different sites)including Engineering, DBA, Web, and Product.

● Deployed all software development, systems administration, management, andresponse to security incidents.● Responsible for the deployment, installation, setup, maintenance of VMware ESXServer 3.5, Networking, VMotion, Storage, and VirtualCenter 2.5. Deploy a newVirtual Machines, P2V/V2V conversion, and manage cluster/pool resources.● Build a highly available File Server (Sun’s Thumper) using Solaris, ZFS, and iSCSIto provide the space on a server for development teams.● Providing training of Linux/UNIX and VMware ESX 3.5 server to team members.● Assistant Oracle’s DBA to install, setup, and configure Oracle 10.x, Tomcat, Siebel,JDK, and, JRE.● Responsible for verifying and apply the System Security Requirement checklist onthe Linux and Solaris servers. DNS BIND 9 updates, zone file maintenance, andsecurity audits.

● Support US government and Time Warner/AOL of Red Hat Certificate System,Directory Server, and PKI deployments to engineers and system administrators● Worked with product’s developers to provide common build failures/bugs, allowingengineers to fix build issues as quickly as they appear.● 24x7 on-call support for all server operations for customers.● Setup and configured a similar current PKI architecture of the customers toinvestigate a problem quicker whenever the problem exists.● Provide hands-on training and lecture classes on the Red Hat Certificate Server,Red Hat Directory Server, and PKI deployments. These classes will introduceengineers to products and their features.