Sathish kumar
Chennai
Summary
Skilled IT professional with 5+ years of total IT experience. Having hands-on experience in DevOps process and supporting
Overview
6
6
years of professional experience
1
1
Certification
Work History
DevOps Engineer
Comcast
Chennai
07.2023 - Current
- Engineered high-availability Kubernetes clusters using kubeadm, achieving 99.9% uptime with external load balancers for fault tolerance.
- Implemented RBAC policies and integrated Azure AD authentication with ArgoCD to enforce secure, centralized access management, and streamlined GitOps application deployments.
- Automated Redis, MongoDB, and Cassandra installations and upgrades using Ansible, reducing manual errors by 80%.
- Developed Terraform pipelines for node creation and provisioning, implementing Infrastructure as Code (IaC), and decreasing deployment times by 55%.
- Automated IOP creation with Golang, containerized it for usage as a Concourse resource, reducing manual processing time by 70%.
- Configured advanced networking with the Cilium Gateway API, reducing SSL termination latency by 40%.
- Established secure external service access via hardware load balancers, improving security compliance by 85%.
- Integrated Elasticsearch, Grafana dashboards, and Splunk alerting, improving incident detection time by 65%.
- Managed Git workflows, reducing code conflicts, and enhancing productivity through CI/CD integration.
- Oversaw OpenStack cloud resource management, implementing cost optimization, and disaster recovery strategies.
- Installed and optimized service mesh and API gateway solutions, enhancing service communication and security by 75%.
- Led cross-functional collaboration, accelerating project delivery by 45%; conducted training workshops to enhance team capabilities.
DevOps Engineer
Cognizant - Royal Bank Of Canada
Chennai
08.2020 - 07.2023
- Automated infrastructure provisioning using Terraform, reducing deployment time by 60%, enabling faster releases.
- Orchestrated Kubernetes clusters with Docker containers, maintaining 99.9% uptime, and improving scalability.
- Created and managed Docker images and containers, decreasing server usage by 30%.
- Developed Jenkins automated deployment pipelines, decreasing deployment time by 50% and errors by 75%.
- Provisioned Tomcat servers with Ansible playbooks, reducing manual configuration errors by 70%.
- Managed Git workflows on SMC for multiple clients, increasing productivity by 50%, and reducing code conflicts by 75%.
- Integrated Jenkins with Maven builds using webhooks, automating builds triggered by Git pushes to increase productivity by 30%.
- Worked with AWS services, including VPC, EC2, S3, IAM, RDS, Route 53, CloudWatch, ELB, and ASG.
- Set up Prometheus and Grafana alerting dashboards, cutting downtime by 30%.
- Delivered timely resolutions to customer service issues, boosting customer satisfaction.
System Engineer
Cognizant - Royal Bank of Canada
Chennai
11.2019 - 07.2020
- Led disaster recovery efforts for a critical application, ensuring that all systems were fully operational within two hours of an unexpected outage, and minimizing the impact on end-users.
- Conducted over 50 root cause analyses to identify underlying issues behind system incidents, resulting in a 30% increase in overall system stability, and preventing downtime for over 5,000 end-users.
- Consistently provided timely support during major incidents through effective communication with stakeholders and troubleshooting techniques, reducing downtime by an average of 40%.
- Provided support during the deployment of service releases.
- Trained and mentored team members on ServiceNow best practices, resulting in a 40% decrease in the error rate.
Skills
- Version Control & CI/CD: GIT, Jenkins, Concourse
- Containerization & Orchestration: Docker, Kubernetes (K8s), Service Mesh
- Infrastructure Automation: Terraform, Ansible
- Monitoring & Logging: Splunk, Prometheus, Grafana
- Cloud Platforms: AWS, OpenStack
- Operating Systems: Linux (Ubuntu), Windows
- Programming/Scripting: Golang, Python
- Other Tools: ServiceNow
Accomplishments
- Received the You Nailed It Award and Champ Award for outstanding contributions in automation and team leadership
Certification
- Certified Kubernetes Administrator (CKA) – Cloud Native Computing Foundation (completed)
- Preparing for CKAD and CKS (Advanced Kubernetes certifications)
- Hands-on experience with Helm, ArgoCD, and cloud infrastructure automation
Timeline
DevOps Engineer
Comcast
07.2023 - Current
DevOps Engineer
Cognizant - Royal Bank Of Canada
08.2020 - 07.2023
System Engineer
Cognizant - Royal Bank of Canada
11.2019 - 07.2020