SUMMARY

• Over 7 years of experience as System Engineer and DevOps engineer with solid experience in different UNIX platforms such as Linux, CentOS, Ubuntu as well Windows.
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, AWS, Azure AKS, Openstack.
• Adept in the use of automation build tools such as docker, vagrant, puppet, and ansible
• Research and development for emerging cloud and infrastructure technologies
• Experienced in configuration management of various multi - layered applications using Ansible and Puppet and containerization technology such as Docker and Kubernetes.
• Good grasp of ITIL principles and processes.
• Solid experience in Compute, Network, Storage, Automation, Cloud and Virtualization
• Experience with Source Control management - SVN, GitHub in adds, commits, deletes of codes
• Managed physical and cloud infrastructure running Redhat/CentOS on AWS cloud
• Experienced in provisioning instances with CloudFormation, Autoscalin g, VMware templates, clones, AWS snapshots.
• Experienced in Bash scripting, Perl, Python to automate the tasks by using cron scheduling
• Good experience in the design and implementation of Continuous Integration, Continuous Deployment, Continuous Delivery and Devops Operations.
• Experienced with deployments, maintenance and troubleshooting applications on AKS
• Experienced in configuring syslog to send logs to log management tools such as to Splunk.
• Involved in complete Administration tasks on UNIX (RedHat Linux) and documentation for the projects executed.
• Hands - on in using OpenShift for container orchestration with Kubernetes, container storage, automation, to enhance container platform multi-tenancy.
• Experienced with OpenShift, Kubernetes architecture and design, troubleshooting issue and multi-regional deployment models and patterns for large-scale applications.
• Experienced in the use of monitoring and security tool like Dynatrace and Sysdig .
• Installed, monitored and supported Web and Application Servers on Linux environments and participated in migrating the environments.
• Skilled in monitoring servers using Nagios, Cloud watch, and using ELK Stack Elasticsearch, Fluentd Kibana
• Onboard new applications into Dynatrace, profile configuration, agent setup
• Perform analysis like memory, thread, CPU on Dynatrace to find root cause of run-time issues on applications running in the Kubernetes cluster.
• Experience with vulnerability management tools such as Qualys
• Good knowledge on operating systems architectures and experience in log management using splunk.
• Worked in container-based technologies like Docker, Kubernetes and Openshift .
• Experience in creating inventory, job templates and scheduling jobs in Ansible Tower.
• Setup and configured network TCP/IP including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on Servers.
• Proficient in configuring JumpStart and Kickstart servers to initiate installation of RedHat Linux on several machines at once.
• Experience working with Satellite server and spacewalk server for pushing updates to servers.
• Active team player, self-motivated individual with good communication, interpersonal skills, fast learner and a good listener.

PROFESSIONAL EXPERIENCE

Confidential, Texas

Kubernetes Engineer(AKS)

Responsibilities:

• Effective Interaction with customer to gather information quickly; explain customer responsibilities in resolving issue; communicate next steps and status; and inspire confidence.
• Handling technically challenging and politically sensitive customer situations.
• Design and management of client s Azure Kubernetes Cluster and Openshift .
• In - depth troubleshooting of issue by reproducing them (if possible) to get a better understanding of the infrastructure design and provide possible solution or work around.
• Using Prometheus to monitor disk IO throttling and provide remediation to client
• Engaging in a working session with clients for proper case feasibility and resolution.

Environment: AKS, Azure RedHat OpenShift, ACI, ACR, VMSS, Cluster Autoscaler, Kusto query, AppLens, Docker, Terraform, Kubernetes, Azure Active Directory, Customer Support Service, Prometheus and Grafana, Application gateway Ingress controller (AGIC), NGINX ingress controller, NodeLocalDNS

Confidential

Devops Engineer

Responsibilities:

• Focus on continuous integration and deployment, promoting Enterprise Solutions to target environments.
• Implementation of Docker and various Docker orchestration tools such as docker-compose, docker swarm and various other management tools.
• Provided consistent environment using kubernetes for deployment, scaling and load balancing of applications from development to production.
• Automate provisioning and other repetitive tasks using Terraform and python.
• Perform application server builds in EC2 environment and monitoring them using cloud watch.
• Design roles and groups using AWS identity and access management (IAM)
• Implement and maintain the monitoring and alerting of production and corporate servers/storage using CloudWatch.
• CoreOS Docker cluster setup and management and Canary testing.
• Jenkins implementation and configuration resulting in full CI/CD to integration environment on commit.
• Jenkins, job setup, maintenance used for build, test, compile, package, deploy pipeline.
• Monitoring Live Traffic, logs, Memory utilization, Disk utilization and various other factors which are important for deployment.
• Managed deployment automation using Packer, Docker, Terraform to automate system operations.
• Created multiple Terraform modules to manage configurations, applications, services and installation process for Web Server and AWS instances.
• Created Security groups for both individual Instances and for group of instances under a network
• Managed LDAP to add modify, delete user accounts, group accounts and service accounts across regions.
• Researched current ITIL standards and architecture integration process.
• Exposure to and hands on experience with Qualys API.
• Configured integrated Jenkins with Git to poll codes and Maven to push artifacts to AWS S3
• Day to day engagement of management /monitoring/troubleshooting of multi-tier applications using Ansible and Nagios in Dev, QA, Prod environments.
• Document system configurations, Instance, OS, and AMI build practices, backup procedures, and troubleshooting guides

Environment: AWS EC2, VPC, OpenShift, Autoscaling, RHEL 5,6,7, Docker, Terraform, Kubernetes, Python, Zones, RAC, DMZ, SAN, NAS, Active Directory.

Confidential

System Engineer

Responsibilities:

• Configuring the systems for TCP/IP Networking with the existing Local Area Network. Setting up SSH and SCP features on UNIX hosts.
• Coordinated with customers to develop ITIL process strategies for design.
• Monitored mapping of customer issues and developed appropriate solutions.
• Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
• Worked with VMware ESX on different HW like HP Proliant, Dell Power Edge hardwares using vCenter server
• Hands on experience in physical to virtual machine (P2V) conversions and virtual machines (V2V)
• Experienced working with sudo, Vintella Authentication and Powerbroker.
• Responsible for Failover/Pre-Failback/Failback and verification of the same in case of outage in the high environment using VCS (Veritas Cluster Server).
• Developed Cronjobs and Shell Scripts (Perl, ksh) for automating administration tasks like file system management, process management, Server reboots etc.
• Installation/configuration of Redhat 5/6 using kickstart Server.
• Upgrades, patches and OS installation using Kickstart for Linux.
• Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
• Worked on setting up Veritas clustering.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Worked on creating Virtual machines using VMware.
• Monitoring the system performance and doing the kernel tuning to enhance the system performance.
• Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
• Provided 24/7 on-call support on a weekly basis.
• Worked with Enterprise Security Manager to get Security certification for servers before moving them in to production.
• Installed and configured domain wide mail systems utilizing Postfix with multi subnet and a single relay host for internal mail forwarding, all external mails were handled by Sendmail and SMTP.
• Installed/Configured the WebSphere server, JBoss application server, Weblogic server; Managed tuning and performance of high profile applications running on them.
• Performing Post Build activities like Setting up Backup interface/NIC bonding/LACP Bonding/Loading additional Packages/ Joining the server to Active Directory, etc
• Extensively used glance, top, ifconfig, netstat, nfsstat, traceroute, siteminder, nslookup, tcpdump etc. for System configuration and performance monitoring.

Environment: Sun Solaris 10/9/8, Linux 5/4/3, Oracle 10g, SUN Servers, Linux and Jump Start, Veritas Cluster Server (VCS), VMWare servers, Weblogic and Apache