Senior Domain Manager

Job Purpose
To provide Level 2 technical support for AWS infrastructure and services in a complex, high-availability environment. The role involves supporting day-to-day cloud operations, resolving escalated issues, assisting in large-scale cloud migrations, and ensuring performance, security, and reliability of mission-critical workloads hosted on AWS. Duties and Responsibilities
A-Minimum required Accountabilities for this role

B-Additional Accountabilities pertaining to the role Major Challenges

Supporting heavy workloads in a multi-account, multi-region AWS environment.

Ensuring high availability and performance during live migrations or failover activities.

Managing escalated issues across a hybrid cloud or legacy-to-cloud migration setup.

Maintaining compliance, security, and monitoring standards in a dynamic infrastructure environment.

Collaborating across multiple teams (infra, security, application, DevOps) under tight SLAs.

Required Qualifications and Experience
a)Qualifications

Graduation in Computer Science, Information Technology, or a related field.

4 to 5 years of hands-on experience in AWS Infrastructure support or System Administration.
b)Work Experience

Strong experience with AWS core services:EC2, S3, IAM, VPC, CloudWatch, EBS, RDS, Load Balancers, lambda, ECS, EKS, ECR,VCP endpoint.

Solid understanding of cloud networking (NAT gateways, route tables, security groups).

Ability to troubleshoot Linux/Windows VMs in AWS.

Experience with scripting and automation using Bash, PowerShell, or Python.

Familiarity with Infrastructure as Code tools like Terraform or CloudFormation.

Knowledge of backup, DR, and cost optimization strategies.

Clear communication and incident handling skills.

Execute operational tasks: instance resizing, disk expansion, snapshot verification, patching, etc.

Ensure security compliance and policy enforcement via IAM roles, KMS, S3 policies, and encryption.

Maintain detailed documentation including infrastructure diagrams, runbooks, and SOPs.

Participate in incident management and root cause analysis (RCA) for high-severity issues.