: AWS Platform Administrator (L2 / L3)

1. Role Overview

- Manage and support AWS cloud infrastructure (IaaS/PaaS)
- Provide L2 / L3 support for cloud operations, incidents, and platform services
- Ensure high availability, performance, cost optimization, and security of AWS workloads
- Work in 24x7 support setting with SLA-driven operations

2. Key Responsibilities A. L2 Responsibilities (Operations & Support)

Infrastructure Management

- Manage AWS services:
- EC2, EBS, S3, RDS, VPC, ELB, Auto Scaling, Route53

- Perform
- Provisioning / de-provisioning of resources
- AMI, snapshots, backup monitoring

Skill required

AWS Core Services

- Compute: EC2, Auto Scaling
- Storage: S3, EBS, Glacier
- Database: RDS, DynamoDB
- Networking: VPC, Route53, ELB
- Monitoring: CloudWatch, CloudTrail
- Security: IAM, KMS

Cloud Concepts

- IaaS / PaaS architecture understanding
- HA / DR design
- Cost optimization strategies

Automation & DevOps





- Terraform / CloudFormation
- CI/CD basics

Incident & Service Request Handling

- Handle:
- Infra incidents (VM down, performance issues, connectivity issues)
- Monitor alerts via CloudWatch / ITSM tools
- Escalate complex issues to L3

Identity & Access Management

- Manage IAM users, roles, policies, MFA
- Handle access requests and security compliance

Networking Support

- Support:
- VPC, Subnets, NACLs, Security Groups, Load Balancers

- Basic troubleshooting of
- VPN, routing, DNS

Monitoring & Backup

- Monitor:
- Logs, metrics (CloudWatch, CloudTrail)

- Perform
- Backup validation, restoration checks

- Patch monitoring

Change Management

- Execute changes as per:

- SOP / CAB guidelines
- Perform deployments and configuration updates

📌 Devops System Administrator-Digital : Amazon Web Service(AWS) Cloud (Mumbai)
🏢 Tata Consultancy Services
📍 Mumbai