Senior Cloud & DevOps Engineer with SRE Focus
Resume:
Amarnath Nachimuthu
********.**********@*****.***
SENIOR CLOUD ENGINEER DEVOPS ENGINEER
PROFESSIONAL SUMMARY
Senior Cloud Platform & Site Reliability Engineer with 18+ years of infrastructure experience and 5+ years leading AWS cloud and Kubernetes-based production systems in large enterprise environments. Proven expertise in building highly automated, resilient, and secure cloud infrastructures using Terraform, Jenkins, ArgoCD, and Python-based automation.
Strong background in multi-cluster Kubernetes (EKS) operations, observability engineering, performance tuning, production troubleshooting, and CI/CD automation. Experienced in scaling and optimizing multi-tier architectures while ensuring high availability, security, and compliance.
CORE TECHNICAL SKILLS
Cloud Platforms
• Amazon Web Services (EC2, VPC, RDS, S3, EKS, Lambda, IAM, Route53, CloudWatch, CloudTrail, WAF)
DevOps & CI/CD
• Git, GitHub Actions, GitLab CI/CD, Jenkins, Argo CD, Docker, Kubernetes (EKS, AKS)
Infrastructure as Code & Automation
• Terraform, AWS CDK (TypeScript), AWS Systems Manager (SSM), CloudFormation
Monitoring, Logging & Incident Management
• CloudWatch, Dynatrace, Prometheus, Grafana, Sumo Logic, PagerDuty, Moog soft, Zabbix
Security & Governance
• IAM, KMS, Secrets Manager, AWS Config, WAF, Trusted Advisor, AWS Budgets
Databases
• Amazon RDS, Microsoft SQL Server, Oracle, DynamoDB
Programming & Scripting
• Python, YAML, Bash
ITSM & Collaboration
• ServiceNow, Jira, BMC Remedy, Confluence
PROFESSIONAL EXPERIENCE
Tata Consultancy Services (TCS) – Atlanta, GA Client: Delta Air Lines Associate Consultant Nov 2022 – Present
Manage and maintain AWS-based production systems supporting mission-critical airline applications.
Ensure high availability, performance, and scalability across EC2, EKS, RDS, and networking layers.
Support large-scale EKS clusters hosting multiple workloads and business-critical services.
Design and support EKS clusters across multiple environments.
Implement RBAC controls and secure namespace isolation.
Optimize cluster performance and scaling configurations.
Secure and harden Kubernetes workloads following best practices.
Built reusable Terraform modules for infrastructure provisioning.
Implemented GitOps-based deployment model using ArgoCD.
Developed CI/CD pipelines using Jenkins and GitHub Actions.
Automated operational tasks via Python-based Lambda functions, reducing manual effort by 40%.
Designed centralized monitoring using Prometheus, Grafana, CloudWatch, SUMOLOGIC and Dynatrace.
Integrated log aggregation platforms to enhance production visibility.
Reduced MTTR by 30% via improved alerting and monitoring strategies.
Lead root cause analysis for production incidents.
Tune load balancers, EC2 instances, and container resources to optimize performance.
Identify and eliminate bottlenecks in multi-tier architectures.
Managed OS patching and lifecycle management using AWS Systems Manager.
Automated configuration compliance and drift detection.
SRS Consulting Inc, Fremont, CA Cloud Engineer May’22 – Nov’22
•Integrated Dynatrace, Sumo Logic, PagerDuty, and Moogsoft with ServiceNow for automated incident creation and escalation.
•Implemented IAM permission boundaries to enforce least-privilege access and prevent privilege escalation.
•Developed Python-based Lambda functions to automate scheduled EBS and RDS snapshot backups, improving data protection and recovery readiness.
Ericsson, Sweden Verification Architect July’18 - May’22
•Led on-prem to AWS migrations using services including VPC, EC2, ALB, RDS, S3, Route53, CloudWatch, and IAM.
•Designed highly available, multi-AZ architectures with secure network segmentation and IAM controls.
•Automated AWS resource provisioning using TypeScript-based scripts and terraform, improving deployment speed and consistency.
•Implemented RDS backup, restore, and disaster recovery strategies using automated snapshots.
•Built CloudWatch alarms and SNS notifications for infrastructure health, security group changes, and operational events.
•Enforced AWS security best practices, including encryption at rest/in transit and least-privilege IAM policies.
Accenture Solutions Pvt Ltd Client: Fannie Mae Associate Manager Aug’17 - June’18
•Designed and deployed scalable AWS infrastructure using Terraform, including VPCs, ALBs, Auto Scaling groups, encrypted RDS, and S3 lifecycle policies.
•Built disaster recovery and failover solutions using Route53 routing policies.
•Managed AMI creation, customization, and recovery of failed EC2 instances using snapshots and AMIs.
Sify Technologies, India Lead Migration Engineer Oct’16 - Jul’17
•Migrated application and database servers from on-premises to AWS using CloudEndure (Rehost/Lift-and-Shift).
•Migrated MS SQL databases to AWS EC2 and Amazon RDS environments.
•Managed Windows Server installation, configuration, patching, and troubleshooting.
Wipro Ltd, India Client: Charles Schwab, CO Technical Lead May’11 - Sep’16
•Administered and optimized Microsoft IIS environments, including application pools, authentication, caching, and session management.
•Supported large-scale enterprise web applications in high-availability environments.
Zylog Systems Ltd, Chennai, India System Administrator Aug’07 - May’11
•Administered Windows and macOS systems and provided IT support for 800+ end users.
CERTIFICATIONS
AWS Certified Solutions Architect – Associate
AWS Certified SysOps Administrator – Associate
AWS Certified Security – Specialty
Red Hat Certified Engineer (RHCE)
Certified Kubernetes Administrator (CKA)
HIGHLIGHT LEADERSHIP & AWARDS
Led the cloud migration team and served as a Single Point of Contact (SPOC) for AWS migration.
Coordinated with the vendor technical team to restore services during system failures and promptly escalated issues.
Received the Feather in Cap Award for notable achievements.
Recognized with the Outstanding Performer Award for cloud migration activity.
Appreciated by the Karnataka State Government (INDIA) for successfully implementing the RTO Smart Card project.
EDUCATION
Master of Technology in IT & Networking - VIT University, 2007
Bachelor of Engineering in Electronics and Communications Engineering - Periyar University, 2004
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