Santhos Rajan
Staff software engineer | DevSecops
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About
Results-driven DevOps Engineer with 10 years of experience designing, building, and managing scalable infrastructure and automation solutions. Expertise in Kubernetes, CI/CD pipelines, cloud platforms (AWS &
Azure), observability, and automation to improve deployment efficiency and system reliability. Proven ability to enhance MTTD, MTTR, and CFR through proactive monitoring and automation.
Experience
Staff Software Engineer DevSecOps - September 2024 – Present
Circles Life, Bangalore
- Part of the Platform Team, maintaining the end-to-end CI/CD pipeline in GitLab.
- Developed automation for operational insights by correlating data from infrastructure, deployments,
incidents, and changes.
- Designed and implemented Grafana dashboards to monitor and improve MTTD, MTTR, and CFR across multiple services.
- Automated observability and troubleshooting for communication systems, endpoints, and network infrastructure.
- Collaborated with cross-functional teams to integrate observability and automation solutions across infrastructure services.
Lead Engineer
BNP Paribas, Chennai | Dec 2022 – Sep 2024
- Managed Kubernetes clusters hosting 100+ production applications.
- Built and optimized CI/CD pipelines for on-prem to cloud migrations.
- Led the monitoring setup using Prometheus, Alertmanager, and Grafana.
- Designed and implemented ELK stack for centralized logging.
- Mentored development teams on DevOps best practices and automation strategies.
Lead Engineer
Genesys Telecom Labs, Chennai | Apr 2020 – Dec 2022
- Designed and deployed AWS & Azure infrastructure solutions (EKS, AKS, ECS).
- Developed zero-downtime deployment strategies (Blue/Green, Rolling, Canary).
- Automated CI/CD processes using Terraform, Jenkins, Helm, and ArgoCD.
- Improved observability strategies with Prometheus, Grafana, and Kibana.
- Led the transformation of legacy applications into cloud-native SaaS solutions.
Senior Software Engineer
Genesys Telecom Labs, Chennai | Apr 2017 – Apr 2020
- Built and managed AWS pipelines for automated deployments (CloudFormation, ECS, ELB, EC2, S3).
- Designed bulk upgrade frameworks using Ansible and Python for 100+ EC2 instances.
- Optimized CI/CD framework, reducing deployment times by 25%.
- Migrated legacy server-based applications to AWS cloud.
Software Engineer
Genesys Telecom Labs, Chennai | Apr 2015 – Apr 2017
- Designed, built, and maintained CI/CD pipelines for seamless deployments.
Project Engineer
Wipro Technologies, Chennai | Dec 2013 – Apr 2015
- Developed Python Selenium scripts to automate web application testing.
Education
B.Tech in Information Technology
Thiagarajar College of Engineering, Madurai | 2013
