Shikhar Mahajan

1. Supported the organization-wide Cloud Transformation Program (CTP) by helping product teams adopt AWS infrastructure and services effectively. 2. Designed and developed Terraform modules for key AWS services, enabling scalable and consistent infrastructure provisioning across teams. 3. Maintained and updated infrastructure code to ensure compatibility with the latest AWS provider and module versions. 4. Guided product teams in adopting and using Terragrunt modules, providing technical enablement and usage best practices. 5.Handled daily incident response and service requests from product teams, ensuring platform reliability and responsiveness. 6. Led the implementation of Grafana Enterprise for centralized monitoring of AWS infrastructure and services. 7. Built custom Grafana dashboards for various AWS components (e.g., EC2, RDS, ELB), improving visibility into system performance. 8. Developed an SNMP-based monitoring workflow for Checkpoint Firewalls, enhancing observability of network components. 9. Set up firewall log monitoring using Grafana, Promtail, and Loki, enabling real-time insights into network traffic and anomalies. 10. Implemented AWS Image Builder pipelines for secure and automated AMI hardening, creation, and distribution. 11. Onboarded AWS Backup to safeguard critical infrastructure components, with cross-region and cross-account support for disaster recovery scenarios.

1. Established and maintained CI/CD pipelines for deploying microservices to AWS ECS clusters, improving release velocity and reliability. 2. Managed Infrastructure as Code (IaC) across multiple environments including DEV, STAGING, PROD, and CUSTOMER STAGING using Terraform. 3. Led efforts to migrate manually provisioned infrastructure into Terraform, enabling better scalability, version control, and automation. 4. Improved and stabilized deployment workflows by identifying bottlenecks and addressing issues in build and deploy pipelines. 5. Collaborated with the InfoSec team to remediate vulnerabilities in AWS infrastructure and ensured security compliance. 6. Onboarded new services into the platform and partnered with development teams to integrate them into the existing ecosystem. 7. Performed regular infrastructure maintenance tasks such as AMI refreshes, database upgrades, and ElastiCache cluster upgrades. 8. Monitored infrastructure performance and availability to ensure uptime and proactively addressed operational issues. 9. Containerized a complete Pytest automation framework, enabling browser-based test execution using a headless Chrome driver, improving test portability and scalability.

1. Single SPOC from offshore for DevOps requirements. 2. Managing Dev and QA deployments for 5 products. 3. Writing new roles, Ansible playbooks for new requirements including new components in the deployment. 4. Implemented CI/CD on Azure DevOps portal for legacy desktop applications. 5. Migration of CI/CD pipelines from GoCD tool to Azure DevOps for one of the products. 6. Helping in all the build and deployment related issues. 7. Work on the tasks allocated from onshore for each sprint.

1. Worked in atmosphere of cross-functional team within the organization’s Agile project life-cycle. 2. Launching new instances for various requirements by DEV/QA teams. 3. Taking AMI backups to preserve server configurations. 4. Setting up Cloud Watch alerts for new instances and changing thresholds for existing ones. 5. Configuring auto scaling groups to launch new instances. 6. Creating and managing S3 buckets via life cycle management policies. 7. Worked with architects, developers, QA and cloud development team to implement cloud applications, systems, and automated processes. 8. Part of the core engineering team responsible for designing the new platform to host applications in AWS through ANSIBLE, JENKINS and DOCKER on Linux OS environments.

1. Working on AWS cloud-based servers. 2. Manage Production/Pre-Production deployments via Jenkins CI/CD model that used to take place in every three week sprints. 3. Managed different environment servers using CM tool like Ansible. 4. Deployed the changes as Hotfix on QA/UAT/PROD env. 5. Integrating Git with Jenkins and Nexus in continuous integration and configured Jenkins with Poll SCM build trigger. 6. Automating build process for creating JAR/WAR artifacts using Maven. 7. Monitored the PROD env with the help of monitoring tools like SPLUNK. 8. Installation of packages through YUM & RPM on different environments using Ansible playbooks. 9. Creating Jenkins jobs to automate tasks like taking heap dump, thread dump and generating AWR reports.

1. To manage the Database containing the specific and confidential Information. 2. Managing incidents and providing resolutions within stipulated SLA’s. 3. Root Cause Analysis for high priority incidents. 4. Monitoring various data input/output jobs running daily. 5. Working on CR (Change Requests) for creating new downstream Data feed jobs as per the Business Requirements.