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.