Saikumar S Email & Phone Number

United States

United States

Dallas-Fort Worth Metroplex

Worked with azure pipelines integrating with key vaults and implemented helms and Argo CD Kubernetes clustersWorking with on-premises server and migrating to azure cloud

Charlotte, North Carolina, United States

 Worked on Microsoft Azure Cloud (Public) to give IaaS support to customer. Make Virtual Machines through Power Shell Script and Azure Portal. Overseen and Created Storage Account and Affinity Group in Azure Portal. Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, and Security policies & configured BGP routes to enable ExpressRoute and site to site VPN connections between on-premises data centers & Azure cloud.  Led implementation of Azure Active Directory for single sign-on and Authentication for Web Applications. Also configured Azure Role-based Access Control (RBAC) to segregate duties within our team and grant only the amount of access to users that they need to perform their jobs based on Roles defined. Created and deployed VMs on the Microsoft cloud service Azure, created and managed the virtual networks to connect all the servers and designed ARM templates/Terraform for Azure platform.  Configured three types of blobs, block blobs, page blobs, and append blobs in Azure for storing a large amount of unstructured object data such as text or binary data, that can be accessed via HTTP or HTTPS and enabling data redundancy and Lifecycle Rules and Events. Worked on Managing the Private Cloud Environment using Ansible and Enhanced the automation to assist, repeat and consist of configuration management using Ansible based YAML scripts.  Setup custom Domains and configure network security group (NSG) rules to specify ingress/egress traffic restrictions. Worked on Terraform to create the various services like AKS, ACR, VNET, VM ..etc as infrastructure as code in various environments as per the project need Created inventory in Ansible for automating CD & developed Ansible playbooks and Roles using YAML scripting. Used ELK stacking to monitor the logs for detailed analysis, worked on dashboarding using Elastic, Logstash & Kibana (ELK), & setup real time logging.

West Valley City, Utah, United States

 Migrated the current Linux environment to AWS/RHEL Linux environment and used auto scaling feature and involved in Remediation and patching of Unix/Linux Servers. Configured and managed Cloud Infrastructure in AWS including EC2, Route53, S3, RDS, Lambda, EFS, S3 Glacier, Resource Access Manager, IAM, Cloud Front, Cloud Watch, Elastic Load Balancer, Security Group, focusing on Auto scaling and high - availability. Used GIT as SCM in branching, tagging, and maintaining the versions across the environments and used for recovering files, saving changes for later (Stash), creating tags, viewing logs etc. Created and configured GitHub Actions workflows to automate application builds for Java, .NET, and Progress applications, enabling seamless continuous integration across multiple technology stacks. Built scripts using Maven in Jenkins and SonarQube for continuous delivery through Deployment from one environment to another environment. Deployed applications into PROD & Pre-Prod environments with various Web-Application servers like Jboss & Apache Tomcat. Developed and maintained continuous integration and deployment systems using ANT, Maven, Gradle, JUnit, Selenium, SonarQube, Jfrog, and Nexus. REST API and serverless development using Node.js on AWS Lambda, SQS, SNS, SES and API Gateway.  Leveraged Boto3, the Python SDK, to build scalable and secure applications on AWS.  Used Boto3 for programmatic access to AWS services like EC2, S3, and DynamoDB from Python code. Container builds/deployments using Multi-Stage Dockerfiles, Docker Compose and Docker Swarmstacks. Implemented a production ready, load balanced, highly available, and fault tolerant Kubernetes infrastructure.  Worked on Kubernetes to manage containerized applications using its nodes, ConfigMaps, selector services and deployed application containers as Pods.  Managed Clusters using Kubernetes and worked on creating many pods, replication controllers, services, deployments, labels.

San Ramon, California, United States

Assisted in design and implementation of full data pipeline to support data queries and analysis in Cloud Data Warehouse in AWS GovCloud.• Including data migration from on-prem data stores (SQL Server and Oracle) to AWS S3, Redshift clusters and RDS.• Data ingestion included DMS, SCT and Glue. SQL clients DBeaver and SQL Developer were used.• Tools included SQL, CodeCommit, S3, DMS, Redshift, CloudWatch, IAM, Linux terraform and Ansible. Provisioned infrastructure automation with Terraform for AKS, EKS cluster environments for Dev and QA. • Including Terraform backend stored in Azure storage accounts.• Automated deployment of apps using Helm and Harbor.• Documentation of cluster provisioning and application deployment in Confluence.• Created AWS-Azure VPN tunnel for multi-cloud architecture. • Tools used - Terraform, AWS, Azure, Linux (Ubuntu), Bash, Windows WSL2, Kubernetes (AKS, EKS), GitHub, Git, Jira, Helm charts, Harbor registry, Postgres, MS Teams. Assisted in automation and improvement of hybrid CI/CD pipelines for development, staging and production for the client's SaaS on-prem/cloud pathology/oncology applications.• AWS and Jenkins Pipelines were used including EC2, ECR, EKS, Route 53, CloudFront, API Gateway, S3, RDS (Postgres), ALB, Security Groups and IAM.• Splunk dashboards were created to monitor and alert AWS services from CloudWatch and Cloudtrails.• Including Terraform, Docker, Git, BitBucket, Bash, PowerShell, JIRA, and Confluence for Linux and Windows environments.• Support, administration and education given to Dev and QA on infrastructure issues.

Boston, Massachusetts, United States

• OpenStack to enable portability of cloud services across hybrid cloud environments.• Implementation of Linux and cloud solutions for building OpenStack for Large Enterprise deployments.• Managing Docker builds and images and rolling Kubernetes service updates.• Working on Public Cloud environment Amazon Web Services (AWS) and AZURE.• Worked with the automated scripts for the Build and Deployment of the applications.• Responsible for Build and Install Schedules using Unix Cron jobs.• Experience in deploying, configuring and managing OpenStack environment.• Implemented Cloud Infrastructure as a Service environment using open source technology .• Worked on Hybrid Environment.• Build and support a Disaster Recovery Production Environment to prepare for future growth of Xfinity Home Security subscribers.• Automate provisioning and repetitive tasks using Terraform and Python , Docker container, Service Orchestration.• Expertise in troubleshooting the problems generated while building, deploying and also in production support.• Configured Builds on Jenkins with ansible playbooks to perform OpenStack Deployment and Administrative Work. • Used Ansible as DevOps tool and Git as SCM tool to automate the deployment of infrastructure• Worked with development, QA and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.• Perform troubleshooting and problem resolution activities with other support teams e.g. network support, NOC, vendors . Produce Root Cause Analysis findings that focus on recommendations to learn from and avoid problem recurrence.• Functioned as a key member of the team responsible for the day-to-day, 24x7x365 on-call engineering, system administration, and operation of Comcast's Cross Platform Services team.

Irvine, California, United States

● Monitor CPU/ memory usage, server disk space, and performing proactive capacity analysis.● Provide support in a demanding 24/7 production environment in Linux.● Troubleshooting outages, active directory manages, DNS and DHCP management.● Analyze cost effective solutions for business compliance.● Integrate process across Service Domains, Change, Problem, and Configuration Management.● Experience with incident response (malware, DDOS attacks, data breaches).● Setup configuration file for kick start environment for Linux production and test systems.● Worked on installation of VMware ESX and creating virtual machines from scratch.● Creating profiles on new blades with templates within SLA.● Provide remote support for field engineers.● Perform run level checks in store on a weekly basis to ensure high availability of database and applications.● Managing database, storage, network and System management teams.● Restoring and backup from NetBackup tool.● Responsible for creating and managing user accounts, security, rights, disk space, and process monitoring Solaris, CentOS and RHEL.● Utilized Remedy for data center service requests (Network requests for IP's, ILOs, and DNS changes).● Experience administering, installing, configuring and maintaining Linux.● Experience installing, upgrading and configuring Red Hat Linux 5.x, 6.x, 7.x using Kickstart Servers and Interactive Installation.● Configures DNS, NFS, FTP, remote access, and security management.● Creates Linux Virtual Machines using VMware Virtual center.● Installs, upgrades and manages packages via RPM and YUM package management.● Installs, configures and supports Apache on Linux production servers.

Middletown, New Jersey, United States

• System performance tuning and basic monitoring, analyzing system and application logs. perform update/patching• Managing physical, virtual, and network storage ( HD's , LVM's , NFS, SAMBA, NAS).• Using command line & software server/application monitoring and process management tools (Nagios, Rsylog).• Perform installation, configuration, monitoring and troubleshooting of LAMP.• User/group administration, file/directory security, authentication and access management (SSH, Firewalls).• Knowledge in desktop Email software (Microsoft outlook)• Analyzing and interpreting system and application log files.• Configuring SElinux and Tripwire intrusion detection security software.• Configuration and management of network services (HTTP, NFS, SCP NTP )• Resolve package management dependency issues.• Collect system information to aid in troubleshooting, document resources, monitor for any behavior modifications & intrusion, configure system to send log messages to system centralized host.• Installation, configuration, and Hardening of standalone Linux servers.• Performing periodic system updates/Patches.. Managing Veritas cluster server