Rishabh Sharma is a DevOps and DevSecOps leader with more than 12 years of experience building secure, scalable cloud-native platforms. A Tech lead, product owner, and Kubernetes expert, he has led transformation initiatives at global enterprises, helping teams automate, modernize, and secure infrastructure. Through his writings, Rishab shares practical insights drawn from real-world experience.
About the Technical Reviewer
Rajat Kumar Singh is a Solutions Architect with more than 10 years of experience designing and implementing large-scale cloud, telecom, and enterprise infrastructure solutions across public cloud and hybrid environments. His expertise includes cloud architecture, Kubernetes, observability platforms, DevOps, infrastructure automation, distributed systems, and security engineering. He has worked across telecommunications, financial services, AI/analytics, enterprise software, and e-commerce industries, helping organizations modernize infrastructure and improve scalability, resiliency, and operational efficiency.
Currently, Rajat works at Rakuten Symphony as a Solutions Architect, where he leads architecture and implementation initiatives for observability frameworks and hybrid cloud infrastructure. He oversees monitoring solutions for logging, metrics, tracing, and fault management across both on-premises and AWS environments using technologies such as Kubernetes, Kafka, Apache Flink, Spark, ELK, Prometheus, and Grafana. He also contributes to architecture governance and secure cloud platform design for telecom-grade workloads.
Prior to this, Rajat worked with Rakuten Mobile on large-scale 4G and 5G telecom infrastructure automation, Edge deployments, and OpenRAN initiatives. His work contributed to significant improvements in deployment automation and operational efficiency and resulted in multiple patents related to Zero-Touch Provisioning (ZTP), monitoring systems, and energy optimization.
Earlier in his career, Rajat held engineering and cloud leadership roles at OpenText, Infosys, and Accenture, focusing on cloud migration, DevOps transformation, CI/CD, platform reliability, and enterprise application modernization. He also holds multiple industry certifications, including AWS Solutions Architect Professional, AWS Security Specialty, Certified Kubernetes Administrator (CKA), and HashiCorp Terraform Associate.