ONLINE RESUME
Balasekhar Nelli
Principal DevOps Engineer
Professional Summary
Principal DevOps Engineer with 12 years of IT experience and strong expertise in DevOps, platform engineering, and cloud-native infrastructure. Experienced in architecting and implementing enterprise-grade CI/CD pipelines, Infrastructure as Code, Kubernetes platforms, and GitOps workflows across AWS, Azure, and OCI. Skilled in Terraform, Jenkins, Azure DevOps, ArgoCD, Kubernetes, observability, and DevSecOps practices. Proven ability to enable rapid software delivery at scale, improve deployment reliability, automate infrastructure operations, and support secure, high-availability production environments.
Technical Skills
Certifications
AWS Certified Solutions Architect – Associate
Red Hat Certified Engineer (RHCE)
Work Experience
Principal Member of Technical Staff (PMTS) | 11/2020 - 04/2026
Oracle India Private Limited - Bangalore, India
Implemented multi-stage CI/CD pipelines using Jenkins, ArgoCD, and Artifactory for daily deployments, improving delivery speed and reducing deployment issues.
Automated cloud infrastructure provisioning on OCI, Azure & AWS using Terraform, streamlining deployments across multiple environments.
Managed Kubernetes platform operations on EKS, AKS & OKE clusters, including Helm chart management, RBAC, resource quotas, and application reliability.
Built observability dashboards using Prometheus and Grafana to improve monitoring, troubleshooting, and system visibility.
Developed Python and Bash scripts for infrastructure lifecycle management, database patching, health checks, and operational automation.
Upgraded legacy on-premises applications and onboarded them to Shepherd-based deployment workflows.
Key Technologies: AWS, Terraform, OCI, Kubernetes (OKE), ArgoCD, GitOps, Jenkins, Istio, Helm, Docker, Cloud Networking, Python, Bash, PKI, Vault, Prometheus, Grafana, Splunk, Observability, Oracle DB, DNS, Networking, AKS, EKS, RBAC, Azure DevOps
Senior DevOps Engineer | 10/2017 - 11/2020
Tricon Infotech Private Limited - Bangalore, India
Implemented CI/CD pipelines using Jenkins and Azure Pipelines for automated build, test, artifact publishing, and deployment workflows.
Built reusable Terraform modules for AWS and Azure infrastructure, enabling standardized and repeatable provisioning across environments.
Implemented service discovery and secrets management using Consul, Eureka, and HashiCorp Vault to improve microservices communication and credential security.
Integrated GitHub with Jenkins and Azure DevOps to support PR-based validation, automated quality checks, and release automation.
Collaborated with security teams to implement DevSecOps practices, including Snyk scans, OWASP dependency checks, and container image scanning.
Supported migration of on-premises monolithic applications to AWS and Azure cloud platforms, improving scalability and reducing infrastructure dependency.
Key Technologies: AWS, Azure, GCP, Terraform, Ansible, Chef, Jenkins Pipeline, Azure DevOps, Azure Pipelines, Docker, ECS, Consul, Vault, Eureka, MongoDB, Python, Bash, Linux, Packer, Snyk, OWASP, Azure DevOps, Azure Cloud Networking, AKS
CloudOps Engineer | 08/2016 - 10/2017
Fission Labs Private Limited
Managed multi-environment AWS infrastructure (QA, Staging, Pre-Prod, Production) using Chef cookbooks and Test Kitchen to ensure consistent deployment processes.
Automated end-to-end environment provisioning using Chef and AWS CloudFormation, standardizing deployments across all environments.
Containerized application workloads using Docker, improving environment parity and accelerating QA cycles.
Integrated PagerDuty with Nagios for on-call alerting and deployed Prometheus and Grafana for comprehensive real-time infrastructure monitoring, enhancing incident response capabilities.
Maintained Jenkins CI pipelines with Gradle integration, enforcing code quality gates to support reliable production deployments.
Key Technologies: AWS, Azure, GCP, Chef, Test Kitchen, Docker, Jenkins, Prometheus, Grafana, Nagios, PagerDuty, Python, Shell Scripting, OpenVPN
DevOps Engineer | 01/2014 - 08/2016
ATMECS Private Limited
Developed Puppet modules for automated server configuration management across 100+ nodes, standardizing OS and application setups.
Provisioned VMs with Puppet and Foreman, enhancing infrastructure onboarding for new projects.
Automated routine operations tasks with Bash scripts; reduced manual toil by implementing scheduled and event-driven automation.
Integrated monitoring tools (Grafana, custom dashboards) with production services; configured alerting rules for proactive incident detection.
Conducted PoC on OpenShift 3 PaaS for containerized workload evaluation; documented findings to guide platform adoption decision.
Key Technologies: Linux, Networking, VMWare, Puppet, Foreman, Jenkins, Bash, Grafana, Git, REST APIs, OpenShift, OpenStack
Education
National Institute of Technology, Calicut - B.Tech
Computer Science & Engineering, 2012
Languages
English, Telugu, Hindi