Sanjeevani Koli

Working on AWS Stack as admin (Including EC2, S3, R53, SNS, ELB, VPC, CloudWatch, Cloud Front SQS and IAM), focusing on high-availability, fault tolerance, and auto-scaling.

Working on deployment, monitoring, patching and incident management, DR planning and execution.

Infrastructure & Application monitoring through AWS CloudWatch & custom scripts, also using tools like Nagios, New-Relic & Splunk.

Adding metrics to services so that proactive alarms are in place that ensure healthy state of services. Working on AWS infrastructure cost optimization solutions & enhancements.

Implemented WAF(Alertlogic+AWS), GuradDuty, SecutyHUB, MFA, Trusted Advisor to manage the

the application and account security.

Create WAF rules and ACLs.

Enabled Caching using CloudFront.

Created AWS Config rules for the S3 bucket and other compliance rules.

Configured S3 to host Static Web content.

Experienced in S3 Versioning and lifecycle policies to backup files and archive files in Glacier.

Manage security of the application and AWS account by complying with CIS standards, scanning the application periodically for vulnerability assessment

Incident Management using the JIRA ticketing system.

Setting GitLab repository and Runner for build automation. Creation of.gitlab-ci.yml file for kicking build process in stages

Experienced in Gitlab CI and Jenkins for CI and for End-to-End automation for all build and CD. Experienced with CI tools and Version Control Tools or Source Code tools.

Good understanding of Dockerfile.

Create Deployments in Kubernetes for the different environments with different deployment strategies.

Installing a Kubernetes Cluster and monitoring the components.

Administered JBoss Data-virtualization (JDV) middleware component in the Business Data Analytics team of RedHat.
Installing, configuring and administering a large number of clustered web application servers JBoss Data-virtualization Platform hosted on ec2 RHEL platforms.
Lead the migration of JBOSS DV from RHEL-6 to RHEL-7.
Part of JBOSS DV upgrade from 6.3.0> 6.4.4> 6.4.6
Worked closely with the JBOSS DV product team for the resolution of P1 issues.
Worked on the performance tuning of JBOSS, teiid, Linux & AWS components of the architecture.

Administered AWS infrastructure hosting JDV.
Worked on Production Servers on Amazon Cloud (EC2, EBS, RDS, S3, Route 53).
Setup/Managing Linux Servers on Amazon ( EC2, EBS, ELB, SSL, Security Groups, RDS and IAM).
Setup/Managing VPC, Subnets; make the connection between different zones; Blocking suspicious IP/subnet via ACL.
Creating/Managing AMI/Snapshots/Volumes, Upgrade/downgrade AWS resources (CPU, Memory, EBS)
Creating/Managing DNS records on Amazon Route 53.
Creating AWS Instances and Resources Bills.
Working as a part of a Data-analytics project including various AWS services: Lambda, S3, Athena, Redshift, RDS(Aurora) & EC2.

Ansible
Configuring, Automating and Deploying Ansible for configuration management to existing infrastructure.
Used Ansible and Ansible Tower as a Configuration Management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manage change.
Automated configuration management and deployments using Ansible playbooks and Yaml for resource declaration. And creating roles and updating Playbooks to provision servers by using Ansible.

GIT
Worked and Troubleshoot Git Repositories on Production, Staging, Development and Local Server.
Worked on GitLab Enterprise Edition 12.9.7-ee.
Integrated the GitLab with the JBoss DV servers ec2 hosts for applications version management.

Involved with the SSL renewal of Apache, IHS, JBOSS and WebSphere Application Server.
Worked on various SSL-related issues and security at different levels of application.
Played a role in the Middle-ware security team and worked on the various types of key-stores like jks, kdb. p12, pem. , pfx ETC.
Worked on various vulnerabilities remediation, especially in web servers.
Involved with the SSL Certificates missing issues and installed certificates from the backup.
Worked on activities of moving the certificate from the SHA1 algorithm to the SHA256 algorithm.

Have experience in handling ITIL Lifecycle services, strategy, techniques and guidelines.

Involved in Installing Upgrade Fix Packs and Migrating to the latest versions.
Experienced in applying Refresh packs, Fix packs, and Cumulative Fix packs for all versions of WebSphere application server and different flavours of Web Servers.
Configured Web server plug-in to direct dynamic requests to application servers for load balance in a clustered environment.
Created, updated and reviewed PMRs and worked closely with the IBM PMR team and application teams for the resolution of the issues.
Configured SSL for communication between Plug-in and Application server.
Enabled SSL and was responsible for installing the certificates and configuring them in the IBM HTTP Server.

Administering IBM Web Sphere Application Servers (V8, V6.1 and V5) on Linux and Unix platforms.

Experience in Installation and configuration of WebSphere application Server ND V8.

Hands-on experience in setting up Nodes, Data Sources, Virtual hosts, JDBC providers, creating environment variables & connection pools etc.