Debasish Sahu Email and Phone Number

• Administered Linux servers, performing tasks such as installation, configuration, and regular maintenance.• Configured and troubleshooted servers, addressing issues promptly to minimize downtime.• Managed and maintained Linux-based systems, ensuring optimal performance, security, and availability.• Utilized shell scripting for security configuration of servers, implementing access controls and auditing mechanisms.• Strengthened server security with strategic shell scripting, implementing robust hardening measures. Enhanced system resilience and minimized vulnerabilities through proactive configuration adjustments.• Designed and implemented scalable and cost-effective solutions on AWS, leveraging services such as EC2, S3, RDS, IAM and more.• An understanding of writing Infrastructure-as-Code using tools like CloudFormation or Terraform• Implemented shell scripts to enforce security benchmarks such as CIS AWS Foundations Benchmark, performing automated hardening of EC2 instances for enhanced security posture.• Developed scripts to automate the application of security patches to AWS instances, ensuring that systems are up-to-date and protected against known vulnerabilities.• Developed and maintained shell scripts to automate routine system tasks, improving operational efficiency.• Developed security-focused shell scripts to enforce access controls, audit system logs, and perform vulnerability assessments.• Integrated automation scripts with cron jobs for scheduled and consistent task execution and maintain system health.• Maintained comprehensive documentation for server configurations, scripts, and operational procedures.