Harish Karnati

Platform Engineer/SRE: (Independent Contributor)

• Developed Terraform modules for various AWS services, including AWS EKS-Cluster with Karpenter.
• Created module for AWS S3 cross-region replication with batch operations, effectively replicating 1000 TB existing Data and saving company approximately $0.5 million by recommending S3 replication over AWS Backup.
• Implemented AWS Transfer Family with Lambda for MFA, integrated with Guard Duty for malware file scanning, and utilized Lambda to move files between S3 buckets based on Guard Duty tags, incorporating Transfer Family Workflow to decrypt encrypted files.
• Provided support as SRE, managing EKS and upgrades to different cluster versions.
• Conducted regular vulnerability patching to ensure security and compliance of systems and applications.
• Enabled API Gateway with VPC endpoint for client, enhancing secure communication and integration.
• Worked within Scrum and Agile methodologies.

Skills: Azure DevOps, AWS EC2, AWS Transfer Family, AWS RDS, AWS S3, AWS SSM Automation, AWS VPC, AWS EKS, MongoDB, Terraform, Python, Python (BOTO3, etc.), Flux, Kustomize, LinkerD, AWS Load Balancer, JFrog, JFrog Xray, and Azure Boards.

As Sr Manager:

• Developed comprehensive reports for senior leadership outlining project progress, key metrics, challenges faced, and proposed solutions.
• Delivered projects on time and within budget through effective resource allocation and prioritization.
• Improved team collaboration with cross-functional communication strategies.
• Created technical debt opportunities to secure additional business from customers.
• Innovated process improvements, leading to reduced turnaround times for project deliverables.

Platform Engineer/SRE: (Independent Contributor)

• As a dedicated member of the SitusAMC Platform Engineering team, I independently develop Infrastructure as Code (IaC) and pipelines to provision infrastructure, builds, and deployments for SitusAMC SaaS products. As an individual contributor, I am the sole resource from India for this team.
• Collaborated with internal teams to understand requirements and develop tailored IaC solutions.
• Developed Terraform modules for a variety of AWS services, including AWS SQS, AWS Transfer Family, AWS EKS Cluster, AWS VPC, AWS EC2, AWS EFS.
• Maintained Terraform modules for a variety of AWS services, including AWS patch manager, AWS Autoscaling Groups, AWS ECS, AWS RDS, AWS Lambda, etc.
• Implemented and enhanced IaC (Terraform) code based on CIS benchmarks, SRE feedback, and Check-marx security scan vulnerabilities.
• Upgraded AWS-provided Terraform modules to newer versions.
• Developed Azure DevOps pipelines for executing Terraform to provision infrastructure.
• Developed Azure DevOps pipelines for build and deploy processes.
• Created pipelines to back up and restore AWS RDS MSSQL/SSRS MSSQL, supporting both multi-file and single file, and accommodating cross-account and same-account backups and restores.
• Developed Python functions to pull and visualize Azure DevOps PR data.
• Created a customized AMI solution for organizational use, ensuring vulnerabilities and patches are addressed monthly.
• Developed custom AMIs for Linux, Windows, Elastic Beanstalk (Windows and Linux), and Azure Self-hosted AMIs (Ubuntu and Linux).
• Researched and integrated various DevOps tools based on project requirements.
• Integrated Cloud Watch Alarms and Cloud Watch Dashboards into IaC modules.
• Added AWS Backup solutions to IaC modules (EC2, S3, EFS).
• Separated IAM policies and roles into a new module and integrated with existing modules to improve security and aid audit teams.
• Separated security groups (SG) into a new module and integrated with existing modules to to improve security and aid audit teams.
• Localized Terraform modules to secure the environment by avoiding repeated downloads from the internet.
• Hands-on experience with Flux and LinkerD.
• Developed CI/CD pipelines to package Helm charts and Build Docker images, perform Veracode scans to ensure code security and compliance, and then pushed the images to JFrog registries.
• Developed and deployed Helm charts into EKS and built pipelines.
• Worked within Scrum and Agile methodologies.
• Integrated AWS accounts with Datadog and created dashboards on Datadog for monitoring.
• Developed AWS Cloud Watch Alarms and Dashboards and Integrated with SNS to send email notifications as well as Teams channel notification to the SRE teams when alerts are triggered.
• Developed a Lambda function to send Cloud Watch alarms, using SNS as a trigger to execute the Lambda, and create incidents in PagerDuty.
• Integrated Prometheus and Grafana into IaC modules for non-EKS-based applications using user data.

Skills: Azure DevOps, AWS EC2, AWS Transfer Family, AWS RDS, AWS S3, HELM Charts, AWS SSM Automation, AWS VPC, AWS EKS, AWS SNS, SES, FSX, ECS, s3, EBS,MongoDB, Terraform, Python, Flux, Kustomize, LinkerD, AWS Load Balancer, JFrog, JFrog Xray, and Azure Boards, Datadog, Ivanti and Kics.

Onboarding PagerDuty into the Organization: (Independent Contributor)

• Developed Python functions to analyze and clean up PagerDuty usage data, ensuring accuracy and efficiency.
• Provided feedback to PagerDuty team based on usage analytics, contributing to service enhancements.
• Integrated PagerDuty with various monitoring and ticketing tools to streamline incident management for customers.
• Requested and advocated for new features from PagerDuty, tailored to customer needs, such as customizing incident workflows and schedule rotation features.
• Captured requirements of new teams and successfully onboarded them with all necessary integrations.
• Developed Terraform script for user management to automate and simplify processes.

As DevOps Specialist

• Modified product descriptor files based on customer applications.
• Deployed products on Azure Kubernetes namespace's using Jenkins pipeline and Helm.
• Identified manual tasks for automation.
• Deployed code drops using GitLab pipeline.
• Applied patches and upgraded WebLogic based on security vulnerabilities and remediation recommended by the security team.
• Developed monitoring scripts.
• Supported business-critical infrastructure operations, including upgrades, patching, and incident management.
• Automated manual tasks using shell scripts.
• Renewed certificates.
• Supported network upgrades of LTM and GTM.

Skills: Terraform, Python, PagerDuty, Jira, Helm, Kubernetes, Jenkins, Git, WebLogic, GitLab, Shell, LTM, GTM, QC, JIRA

• Handled defects related to 100+ supported applications, providing root cause analysis and managing escalations.
• Implemented preventive measures and infra-level fixes to reduce defect recurrence.
• Collaborated with the development team to identify issues at the code or configuration level.
• Gathered requirements from customers and provisioned servers using VMware’s vRealize Automation (VRA).
• Built applications from scratch, including WebSphere, WebLogic, TIBCO (BE, BW, API Exchange, EMS, ActiveSpace), and IIS, along with AppDynamics and HAProxy.
• Developed and promoted Ansible scripts to automate builds, enhancing efficiency and productivity, and executed them through Ansible Tower.
• Designed LTM and GTM configurations, including private/public IPs with connectivity limitations to partner networks.
• Worked with network teams to enable firewall connections for new build applications.
• Kept customers updated on status and blockers.
• Enabled AppDynamics on over 40 different applications across 10 technologies.
• Installed Splunk forwarders on new builds.
• Ran Scrum meetings, gathered customer requirements, and defined processes for incident and problem management.
• Discussed and implemented process improvements with customers.
• Collaborated with customers to design a highly available Ansible Tower architecture on AWS using EFS, EC2, Auto Scaling, RDS, Application Load Balancer, Certificate Manager, S3, IAM, CloudWatch, SNS, PagerDuty, and Route53.
• Supported the Ansible Tower and transition process.
• Reviewed HLSD documents and identified gaps at the infrastructure level, addressing issues with AWS, Azure, legacy VPN connections, firewalls, and application availability for integration.
• Worked with product owners and architects to address gaps before the application testing phase.
• Migrated the Vertex-O tax calculation application from legacy systems to containers.
• Created Docker images based on requirements and moved them to the Nexus repository.
• Deployed Vertex Docker images on Kubernetes (K8s) clusters using Jenkins pipelines.
• Transitioned support to new vendors.
• Managed day-to-day business deliverables, ensuring timely ticket resolutions within SLAs, managing escalations, and adhering to quality parameters.
• Supported business-critical infrastructure operations, including upgrades, patching, and incident management.
• Proven hands-on experience leading small projects/programs spanning several months.
• Worked in globally distributed teams.
• Experienced in Agile methodologies and business technology.
• Proven track record of leading and managing teams, working with diverse, cross-functional teams regionally and worldwide.
• Drove continuous improvement and capacity planning.
• Experienced in creating Docker containers.
• Worked within Scrum and Agile methodologies.

Skills: GIT, Nexus, Bitbucket, Docker, Kubernetes (K8s), AppDynamics, HAProxy, Team Lead, Infrastructure Architect, Scrum, LTM, GTM, WebLogic, TIBCO, Apache, IIS, Multiple AWS Services, Jenkins, Ansible, xMatters.

• Managed and resolved incident tickets, change requests, ECRs, and various tasks.
• Conducted manual deployments of web and enterprise applications on WebLogic application servers.
• Deployed JAR files in SOA and OSB consoles.
• Configured bridges, JMS, and Jolt connections.
• Installed and configured WebLogic 11g on 64-bit Linux environments.
• Participated in weekend OS patching activities.
• Deployed the latest code updates on TIBCO components.
• Diagnosed and resolved issues with WebLogic application servers.
• Performed Java and WebLogic version upgrades.
• Configured JDBC components and set up connections for OSB applications and databases.
• Provided round-the-clock support for application servers.
• Applied security vulnerability patches on WebLogic.

Skills: Oracle WebLogic 11g and 12c, SOA, OSB, Remedy, Windows, Linux, Accurev, Quality Center, Toad.

• Executed incident tickets, change requests, and ECRs efficiently.
• Oversaw manual deployment of web and enterprise applications on WebLogic servers.
• Deployed JAR files using SOA and OSB consoles.
• Managed bridges, JMS, and Jolt connection setups.
• Performed installation of WebLogic 11g on Linux (64-bit).
• Engaged in weekend operating system patching sessions.
• Rolled out the latest code updates on TIBCO components.
• Troubleshot and resolved issues related to WebLogic application servers.
• Conducted Java and WebLogic upgrades.
• Targeted and configured JDBC components in JCA adapters for OSB and databases.
• Delivered 24/7 operational support for application servers.
• Implemented vulnerability patches on WebLogic.

Skills: Oracle WebLogic 11g and 12c, SOA, OSB, Remedy, Windows, Linux, Accurev, Quality Center, Toad.