Ravi K

Cloud and application support
● Support and implement digital and cloud native applications
● work closely with the architecture team to implement resilient cloud infra as well as implement
solutions to facilitate the on-premise apps to work in tandem with cloud apps
● Maintain an end-to-end understanding of the entire stack that supports the application starting
from the underlying AWS infra to the code that drives the app
● efficiently investigate and debug issues using Appdynamics, Cloudwatch log analysis and Splunk
● involve in devops automation and design processes
● a very good understanding of MongoDB (AWS DocumentDB)
● Excellent hands-on knowledge with Docker and Kubernetes
● worked with different AWS services like S3, EC2, VPC, EKS, ECR, Cloudwatch, DocumentDB,
SecretsManager, SES
● ability to create and maintain Cloudwatch dashboards as well as well as perform analysis on
metric data
● work with Azure Devops to maintain the repos, build and configure pipelines to build and deploy
container images to K8s clusters
● Create and maintain fully automated CI/CD pipelines for code delivery and deployment using
Azure devops
● A good understanding of microservice architecture
● work closely with the project team working in AGILE methodology to facilitate quicker releases
and faster response to production incidents

● Drive the adoption of devops culture from an ops perspective interacting with different teams
● Good hands on experience with Docker and Kubernetes
● Work with Molecule and Testinfra to test and verify Ansible roles in on-premise infra as well as
cloud.
● Excellent hands on experience in VMware and other virtualization technologies
● Excellent skills in setting up and managing Elastic stack cluster including writing logstash grok
patterns, Kibana viz and dashboards and groovy scripts.
● Wrote playbooks in Ansible to manage the configuration on Unix servers
● Wrote bash scripts to check Linux servers as per CIS baselines, generate reports and remediate
them using a bash script
● Using Shell, Powershell and Python scripts, we've built pipelines that gather error, performance,
events and statistics from UNIX, Windows, VMware and Storage environments. This data is then
ingested into Elasticsearch via Logstash for analysis in Kibana
● Create dashboards in Kibana to monitor the metrics
● Analyze, review and formulate plans to automate routine tasks in the most cost-effective method
possible using a variety of open-source programs
● Created a Disaster recovery program for a banking application using Ansible, shell scripting and
python to move the application between DR and PROD sites at the click of a button

Barclays Technology Center is the technological arm of The Barclays Bank, UK

➢ Infrastructure Lead
● Manage AWS cloud environments including deploying and configuring compute instances.
● Manage cloud resources using Terraform and Ansible.
● Write scripts in shell and Python for automation.
● Managing high-severity tickets escalated by customers.
● Work with the development team in building scripts to automate build and deployment
processes.
● Working on solutions to automate and make TSM restore customer friendly so they need not
approach the Unix team for backup restores.
● Assist application team by writing custom scripts to embed their applications in Veritas cluster
services as resources.
● Work with business to fine-tune servers and highly available clusters to minimize downtime and
service impact.
● Coordinate and manage complex projects such as proactive hardware maintenance of server
hardware and patching servers so they’re at the latest OS level.
● Work closely with backup and storage teams to ensure minimal impact to business during high
severity issues.
● Perform post-incident analysis using Ganglia and Teamquest to understand performance
constraints and advise business.
● Work closely with the global team to ensure issues are given the right focus consistently while
working with vendors like IBM and Symantec who provide a 24x7 support for high severity issue
resolutions.

● Provide L3 AIX Support in resolving severity 2, Hot Sev3 tickets.
● Wrote ksh and bash scripts dependent on SSH to automate daily tasks from a central server.
● Daily TSM Administration (Backs & Restores).
● Recovering the AIX server using NIM in case of boot problems.
● HACMP, PowerHA and virtualization.
● Checking user compliance and file permissions integrity etc using custom scripts.

● Managing physical and logical devices.
● Managing resources using HMC.
● Performance tuning and paging space management.
● Taking regular system backup using mksysb.
● Performance monitoring using vmstat, iostat, etc.
● Exposure on the Logical Volume Manager, Managing physical volumes, volume groups, logical
volumes, Performing file systems management, Managing paging space.
● Investigate upon alerts and fix issues with existing scripts.
● Good working knowledge of HACMP and virtualization.
● Good GPFS administration skills.
● TSM management
● Hitachi, IBM Storage, DS4000 management from a AIX perspective
● Ensuring Unix Audit and compliance to SOX policies by assisting in audits.
● User