Justin Raja T.

Highly accomplished DevSecOps Manager with 18+ years of IT experience, specializing in architecting secure, scalable AWS infrastructure and automating CI/CD pipelines. Expert in Infrastructure as Code (Terraform, CloudFormation), containerization (Docker) and scripting (Python, Shell). A collaborative leader dedicated to enhancing security, optimizing costs, and driving team success in fast-paced environments. Professional Summary: DevOps Team Management: Led a high-performing DevOps team, managing operational budgets and establishing key performance indicators (KPIs) to align with strategic business goals. Mentored team members, resolving technical blockers and auditing DevOps processes and toolchains to drive continuous improvement. Architected and managed core DevOps infrastructure (Jenkins, Git, Jira, Confluence, and Grafana) using Infrastructure as Code (IAC) with Terraform, AWS CloudFormation and CDK. Led the adoption of AI in developer IDE's to enhance the developer experience. CI/CD Automation: Spearheaded the implementation of a fully automated CI/CD pipeline, seamlessly deploying applications from Git to AWS. Engineered containerization workflows using Docker, building images within Jenkins pipelines and storing them securely in AWS ECR. Monitoring & Cost Optimization: Enhanced system observability by building Grafana dashboards with aggregated CW metrics and centralizing logs with Scalyr across multiple AWS Implemented a proactive alerting system with Grafana and Opsgenie, automating incident creation and streamlining support team response. Reduced cloud expenditure by developing Python scripts to automate resource cleanup, manage service expenses, and implement cost-saving strategies like spot instances. Consolidated the company's observability stack by leading a full migration to Datadog, replacing disparate tools like Grafana, Scalyr, Opsgenie, Katalon, Segments and GA. Reporting: Developed custom Python scripts to analyze and report on multi-platform cloud spend across AWS, Snowflake, and Databricks. Built dynamic AWS Quicksight dashboards to provide key stakeholders with actionable insights into customer usage, license utilization, cloud expenditure and release dashboard. Security & Reliability Strengthened the organization's security posture by implementing AWS WAF, integrating Snyk vulnerability scanning into CI/CD pipelines, and automating data backups with AWS. Engineered a centralized access control strategy across a multi-account environment using AWS SSO with Azure AD integration, enforcing governance via SCPs & tag policies.