Sai Kumar Email & Phone Number

Santa Clara, Ca, Us

San Antonio, Texas, United States

*Proficient in Red Hat patching methodologies, ensuring timely application of updates and security patches across RHEL servers to maintain system integrity and security. *Skilled in upgrading RHEL servers to newer versions, implementing best practices to minimize downtime and ensure seamless transition.*Experienced in upgrading Red Hat Satellite servers, managing the process efficiently to enhance system performance and reliability. *Proficient in Logical Volume Manager (LVM) configuration and management, including creation, resizing, and snapshotting, to optimize storage resources on Linux systems. *Experienced in deploying and managing Kubernetes infrastructure, including cluster setup, configuration, and ongoing maintenance, ensuring high availability and scalability of containerized applications. *Install, configure, and maintain critical network services such as DNS, DHCP, and authentication services like OpenLDAP/Active Directory, ensuring seamless communication and secure access for users and applications.*Orchestrated AWS infrastructure deployment and management, leveraging Route53, CloudFront, and CloudFormation for optimal performance and scalability.*Oversaw Kubernetes clusters on AWS EKS overseeing updates to Vespa cluster images and orchestrating seamless transitions to new versions.*Engineered and managed automation solutions for Kubernetes and AWS governance, refining deployment processes and ensuring adherence to compliance standards.*Implemented and managed Kubernetes deployments, ensuring high availability, scalability, and fault tolerance*Automated infrastructure provisioning tasks using Terraform to streamline the deployment process.*Skilled in administering bare-metal Linux systems, ensuring smooth operations and optimal performance.*Proficient in deploying and configuring OpenStack environments, including Nova (compute), Neutron (networking), Cinder (block storage), Swift (object storage), and Keystone (identity).

Irving, Texas, United States

• Orchestrated AWS infrastructure deployment and management, leveraging Route53, CloudFront, and CloudFormation for optimal performance and scalability.• Oversaw Kubernetes clusters on AWS EKS overseeing updates to Vespa cluster images and orchestrating seamless transitions to new versions.• Engineered and managed automation solutions for Kubernetes and AWS governance, refining deployment processes and ensuring adherence to compliance standards.• Implemented and managed Kubernetes deployments, ensuring high availability, scalability, and fault tolerance.• Engineered reusable Jenkins and GitHub Actions pipelines, streamlining and standardizing the CI/CD workflow for improved efficiency.• Responsible for Dockerizing applications and Hands on experience in creating Dockerfiles and then building image and deploying it to various environments• Employed Terraform as an infrastructure as code tool, optimizing scalability and resource management across the system.• Collaborated with cross-functional teams to implement Helm charts, facilitating streamlined application deployment and management.• Implemented and sustained GitOps principles utilizing ArgoCD, enabling efficient and automated application deployment practices.• Automated infrastructure provisioning tasks using Terraform to streamline the deployment process.• Oversee the administration of Linux-based systems, ensuring optimal performance, security, and availability.• Spearhead the deployment and configuration of Linux servers for various applications, emphasizing efficiency and scalability. Applied patches and updates promptly to safeguard systems against emerging vulnerabilities on Linux servers.• Implemented and maintained Linux server infrastructure, ensuring high availability, scalability, and security.• Proficient in scripting languages (e.g., Bash, Python) to automate routine tasks, increasing operational efficiency.

Wilmington, Delaware, United States

• Support Continuous Development for projects - Manage Gitlab, branching strategies, developer workflow.• Automate Infrastructure provisioning using IAC – Terraform• Automated Configuration Management of different servers like Dev, QA, Build or Production using Ansible!• Automate Formal Builds like Continuous Integration, Full/Nightly Build, Release, Integration pipelines.• Automate Continuous Delivery & Deployment pipelines.• Automated Kubernetes Deployments using Gitops & Helm• Tracking and keeping all the automation scripts with the source code management tool ‘Git’.• Extensively worked on Jenkins, Configuring Jenkins job with related plug-in for CI, CD and static code analysis using SonarQube and artifact storage as JFrog.• Developed Ansible playbooks and role for configuration management, for installing the required tools to the developers.• Managing SFTP utility in the EC2 machines and also involved in SFTP serverless using AWS Transfer Family.• Deploying resources by writing Infrastructure-as-Code (IaC), using tools like CloudFormation. • Migration of resources from one VPC to another VPC.• Created AWS Multi-Factor Authentication (MFA) for instance RDP/ SSH logon, worked with teams to lockdown security groups. • Deploy applications on AWS by using Elastic Beanstalk.• Strong understanding of infrastructure automation tooling using Docker and Ansible. • Development of automation of Kubernetes clusters with Ansible, writing playbooks. Develop and maintain automated CI/CD pipelines for code deployment using Jenkins. • Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.• Created jobs in Jenkins to build applications using Ant and Maven. In addition, developed several scripts to deploy artifacts in different environments. Experience in Package Management using Red Hat RPM/YUM and Red Hat Satellite server

Wilmington, Delaware, United States

• Configuring, Automating and Deploying Ansible for configuration management to existing Infrastructure.• Installing, Configured and management in Ansible Centralized Server and creating the playbooks to support various middleware application servers, and involved in configuring the Ansible tower as a configuration management tool to automate repetitive tasks.• Written the Ansible YAML scripts to configure the remote servers.• Used Ansible Tower, which provides an easy-to-use dashboard and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.• Monitor production systems, applications, and network performance with various Network Management and Application Monitoring Tools• Installing, Configuring and Management of operating system AIX 6.x, 7.x, RHEL 6, 7, 8.• Creating, modifying, and deleting users, groups and assigning permissions to users and groups.• Documenting the problem as well as configuration and Change Management• Planned scheduled and implemented OS patches on linux and AIX as a part of maintenance.• Responsible for creating, modifying, and deleting users, groups and assigning permissions to users and groups. Installation and configurations of NFS and FTP.• Installation and configurations of DHCP and DNS Servers.• Installed and configured AVAMAR Volume Manager and VERITAS File System as needed.• Written Shell and Perl Scripting for automation of jobs and Performing O/S and kernel upgrades on Linux servers.• Building CI/CD environments using Kubernetes. Creating Ansible Playbooks and Ansible roles for application deployments• Managed Linux and VMware and Red Hat Satellite Server & Provisioning Module for Visualization and Bare Metal automated Linux server provisioning for servers.• Designed and implemented Continuous Integration and Continuous Deployment frameworks from code to deploy using Jenkins. Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for

Charlotte, North Carolina, United States

• Setup/Managing Linux Servers on AWS (EC2, EBS, ELB, SSL, Security Groups, RDS and IAM).• Setup/Managing VPC, Subnets, make connection between different zones and blocking suspicious Ip/subnet via ACL. • Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/Ubuntu/RHEL) and Configuring launched instances with respect to specific applications• Involving in Implementation of various AWS cloud Application using Amazon EC2, S3, Elastic Load Balancing(ELB), Auto scaling, Elastic Block Storage(EBS), Cloud Watch, Identity Access Management(IAM), Implementing Virtual cloud platforms using Amazon Virtual Private Cloud(VPC). • Setup/Managing CDN on Amazon Cloud Front (Origin Path: Server / S3) to improve site performance.• Create/Managing buckets on S3 (CLI) and store DB and logs backup, upload images for CDN serve.• Setup/Managing Databases on Amazon RDS. Monitoring servers thorough Amazon Cloud watch and SNS.• Creating/Managing DNS records on Amazon Route 53 and go-daddy panel.• Creating/Managing AMI/Snapshots/Volumes, Upgrade/downgrade AWS resources (CPU, Memory, EBS)• Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux) and Configuring launched instances with respect to specific applications. • Performed S3 buckets creation, policies and also on the IAM role based polices and customizing the JSON template.• Developing the python APIs which represent the memory subsystem.• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud watch. • Managed servers on the AWS platform instances using Ansible Configuration management. • Installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS, send mail server.• Performed addition of Swap space at run time. Performed installation and configuration of LDAP.• Ability to perform daily OS Maintenance, installations, OS upgrades, user account maintenance.• Developing of data structures, XML parsing using python.

India

• Software Configuration management (Automate CI & CD pipe using Ansible, Maven, Jenkins & GIT). • Responsible for tagging and maintain code on version control GIT. • Perform Build activities using Maven and Jenkins tool. • Configured Jenkins Jobs, install plugins for generating Project artifacts. • Automate the build Process Using Jenkins jobs. • Responsible to provide highly efficient architecture to run the application with negligible down time using Git, Maven, Jenkins, Ansible, Docker, multiple ec2 instances with load balancers to manage load requirements Architecture also includes RDS, VPC and other services of AWS.• Creating playbooks in Ansible for configuration and Deployment activities. • Automating AWS cloud deployments using Shell script and Ansible. • Configured packages, services using Ansible modules like yum, service, templates, handlers etc. • Configuring Apache tomcat server using Ansible. • Perform Deployment of War files in Tomcat application servers using Shell script and Ansible. • Perform deployments to multiple environments like Dev,QA,and UAT environments.• Resolving the JIRA tickets for different environments of DevOps for all the projects. • Experience in implementing and configuring network services such as TCP/IP, HTTP, DHCP, and TFTP.• Installed and configured DHCP, DNS, web Server, mail (SMTP, IMAP, POP3) and file servers on Linux servers.• Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc.• Managed the development activities for the multiple server instances by enabling password less SSH communication between the servers.• Written Bash shell-scripts to automate routine activities and Installation and configuration of Samba Server.• Build and manage Unix/Linux Servers running Red-hat Linux and Oracle Solaris 9/10 operating systems.• Primary responsibility is Remediating Servers running on Solaris 8, 9, 10 (Patch Management Planning & Installation).

Visakhapatnam, Andhra Pradesh, India

• Installation and configuring Red hat Enterprise Linux 5/6. Implementation of Kick-start and administration.• Configuring, Automating and Deploying Ansible for configuration management to existing Infrastructure.• Written the Ansible YAML scripts to configure the remote servers• Responsible for maintaining user accounts and basic services access permissions on infrastructure servers• Providing On-call support and resolving issues within SLA. Created SAMBA/NFS shares and managed Active directory groups on Linux servers. Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5• Regularly supported and managed RHEL patch deployment, implementation and testing. Deployment process, Supported and administered Linux, VMware, post-hardware setup and configurations based on various development environments. Excellent in patches and packages installation on Linux/Unix Environment. Configure password less login between Linux servers• Troubleshooting Linux network, security related issues, capturing packets using tools such as Iptables, firewall, TCP wrappers, NMAP.• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation. • Installed Patches/Packages and RPM packages on Linux Servers and Upgrading OS levels. • Responsible for configuring networking concepts like SMTP,DNS,NTP,SAMBA and NFS services and supporting users in solving their problems.• Installed and updated packages on all the servers using YUM and managed packages through Redhat Satellite server.• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.• Installed, configured, maintained and administered Linux / UNIX operating systems and components. Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS and Apache

Bachelor'S Degree, Electrical, Electronic And Communications Engineering Technology/Technician

Board Of Intermediate, Junior High/Intermediate/Middle School Education And Teaching