Karthikeyan N
Senior DevSecOps Engineer
Bengaluru,KA
Summary
Forward-thinking Devops Engineer with background working effectively in dynamic environments. Fluent in Kubernetes,Python,AWS, Terraform,Azure,EFK and ELK,Prometheus,Grafana,Istio. Proud team player focused on achieving project objectives with speed and accuracy.
Overview
3
3
Languages
2
2
Certificates
4
4
years of post-secondary education
12
12
years of professional experience
Work History
Software Engineer
DevSecOps – Cisco India Private Ltd
01.2020 - Current
- Roles and Responsibilities:.
- Writing IAAC using Terraform in AWS.
- Configure Terraform Template for various AWS services.
- Configure Helm charts for Infrastructure components for Monitoring and logging using Prometheus, Grafana, Influx DB.
- Deploying the microservices Components in EKS Cluster.
- Hands on experience in working with Vault for secret Management.
Lead Devops Engineer
MediaKind India Private Limited/Sigma ITC India
07.2018 - 12.2020
- Roles and Responsibilities:.
- Taking care of Deployments in CI/CD using ADO Pipeline.
- Providing support for Production Deployment issues and provide bug fixes whenever required.
- Writing Salt code for any new requirement from the Development team.
- Working on User stories in the epic for product development.
- User Stories include Code development using Saltstack, Terraform and Python modules.
- Containerization of components including frontend and backend in pipeline using Kubernetes.
- Working closely with Architect to gather information and finalize on the design approach.
- Taking up additional tasks by setting up Video storage processing platform systems and CDN profiles which a product owned by the company.
- Perform Greenfield for any new environment from scratch in Azure, AWS ,Openstack and GCP.
- Setting up ELK cluster for Log Management.
- Working knowledge on Prometheus Monitoring and Grafana using Node exporter in Kubernetes.
Technical Services Professional-Devops
IBM India Pvt Ltd
08.2013 - 12.2018
- Roles and Responsibilities:.
- Maintaining core business critical systems as well as our cloud infrastructure.
- Participate in building the DevOps Platform with DevOps tools and high end scripting languages using Ansible.
- Exposure to complete product development and release engineering cycles.
- Hands-on in writing the Docker files for building images.
- Responsible for managing the Docker private registry.
- Developing build and deployment pipelines using Jenkins.
- Strong working knowledge on GIT.
- Containerizing applications with Docker.
- Responsible for writing the Ansible Playbooks for orchestration.
- Automate operations management by developing scripts as needed.
- Experience in build management and continuous integration tools.
- (Jenkins).
- Proficient in AWS services like VPC, EC2, S3, ELB, Auto Scaling Groups(ASG), EBS, RDS, IAM, Cloud Formation, Route 53.
- Experienced in creating multiple VPC’s and public, private subnets as per requirement and distributed them as groups into various availability zones of the VPC.
- Created NAT gateways and instances to allow communication from the private instances to the internet through bastion hosts.
- Used security groups, network ACL’s, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud.
- Created and configured elastic load balancers and auto scaling groups to distribute the traffic and to have a cost efficient, fault tolerant and highly available environment.
- Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application.
- Configured S3 buckets with various life cycle policies to archive the infrequently accessed data to storage classes based on requirement.
- Written cloud formation templates in json to create custom VPC, subnets, NAT to ensure successful deployment of web applications.
- Implemented domain name service (DNS) through route 53 to have highly available and scalable applications.
- Created EBS volumes for storing application files for use with EC2 instances whenever they are mounted to them.
- Experienced in creating RDS instances to serve data through servers for responding to requests.
- Written Templates for AWS using Terraform to build staging environments.
- Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.
IT Analyst
Tata Consultancy Services Private Limited
05.2011 - 08.2013
- Roles and Responsibilities:.
- Proficient in NetApp FAS-3000/6000 Series Filer Administration.
- NFS/CIFS configuration, exports, quota management and Data migration support.
- Experience in Data Fabric Manager/Operation Manager for NetApp storage Allocation.
- Experience in Snap Mirror, Snap Vault for replication and backup support.
- Assigning disk ownership,aggregate,Flexible Volume, qtree, RAID-DP, Disk Scrubbing etc.
- Coordinating with Delivery Leads and Customers.
- Storage / Servers daily check using On command System Manager,.
- Storage & Server performance tuning, performance monitoring and health check.
- Storage LUN provisioning.
- Active/Active configuration, Metrocluster,configuration active\active.
- Performing CIFS/NFS configuration and creating Export Policies.
- Configuring ISCSI,FCP along with Multipath configuration.
- Solving Highly critical Escalated issues and provide Root cause Analysis for the incident.
- Providing inputs to the Deployment team for any bug fix in the code in the Automation in the Cloudenvironment.
- Work on Shell scripts to provide metrics for Server utilization, Capacity Management for further addition or decomm Storage to save cost.
- Recovery of TSM Server from crash due to any outage or corruption caused by other Hardwareissues.
- Provide Implementation plan to setup new Backup infrastructure based on the requirements from theCustomer.
- Mentoring and provide Technical Trainings to the team on latest technology with respect to ITinfrastructure.
Education
Bachelor of Engineering - Electronics And Communications Engineering
Sathyabama Institute Of Science And Technology
07.2002 - 06.2006
Skills
AWS/Azure/GCP/Openstack
undefinedCertification
Certified Kubernetes Administrator
Accomplishments
- PROFILE SUMMARY.
- Implemented High Availability for Kubernetes Cluster in Openstack.
- Configured Terraform Templates for AWS services like Cloudwatch, CloudTrail, RDS, ACM, IAM, Route53, S3 Buckets, Helm, EKS Cluster to configure end to end Architecture.
- Created Custom Modules in Terraform for VPC, Security Groups, Istio, ElasticCache.
- End to End Implementation for migrating .Net services from VM to Containers.
- Involved in developing custom modules using Python.
- Hands on experience in working with python Frameworks using Django, Flask.
- Strong Configuration Management using Saltstack andAnsible.
- Hands on Experience in AWS, Azure, Openstack.
- Containerized software components using Kubernetes in the CI/CD Pipeline.
- Creating Helm charts for deploying components in dev and prod environments.
- Good understanding of networking protocols (HTTPS, TCP/IP and SSH) and SSL CertificateManagement.
- Infrastructure design, tools development, release processes in order to streamline delivery model.
- Focused on automation and continuous integration.
- Hands on Experience in the Migration of .Net core components from Windows to Linux System to reduce license cost.
- Hands on experience in configuring F5 load balancer from scratch to integrate with Video streaming Product platform for recording.
- Hands on experience in Cassandra and MongoDB to configure them using Salt.
- Hands on experience in doing Complete Greenfield Deployment in Openstack, Azure andAWS.
- Implemented Secret management using vault with High availability.
- Hands on experience implementing Grafana dashboard using Prometheus.
- Excellent debugging skills of Python code and provide bug fixes for any issues in Pipeline.
- Hands on experience in Setting up ELK and EFK.
- Hands on experience to create Kafka topics and setup Clusters and good understanding ofQueing.
- Created Python module and terraform code to deploy containers in AKS, EKS Cluster.
- Hands on experience in configuration of Nginx as Reverse Proxy for Virtual Webservers and fine tuning.
- Hands on experience in setting up Kafka cluster..
Timeline
Software Engineer
DevSecOps – Cisco India Private Ltd
01.2020 - Current
Lead Devops Engineer
MediaKind India Private Limited/Sigma ITC India
07.2018 - 12.2020
Technical Services Professional-Devops
IBM India Pvt Ltd
08.2013 - 12.2018
IT Analyst
Tata Consultancy Services Private Limited
05.2011 - 08.2013
Bachelor of Engineering - Electronics And Communications Engineering
Sathyabama Institute Of Science And Technology
07.2002 - 06.2006
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