AWS Systems Administrator

Job Title: AWS Systems Administrator

Job Summary

The AWS Systems Administrator is responsible for the design, implementation, migration, and ongoing operations & maintenance (O&M) of cloud-based infrastructure within Amazon Web Services (AWS). This role supports the transition of on-premise systems to AWS environments while ensuring high availability, security, scalability, and performance of cloud solutions. The ideal candidate brings deep expertise in AWS architecture, cloud-native tools, and infrastructure automation, along with hands-on experience managing production environments.

Core Competencies

1. AWS Infrastructure & Architecture Management

• Design, deploy, and manage scalable, secure AWS infrastructure using services such as EC2, S3, RDS, VPC, IAM, and CloudFront.
• Implement best practices for high availability, fault tolerance, and disaster recovery across AWS environments.

2. Cloud Migration & Modernization

• Lead and support migration of on-premise applications and infrastructure to AWS using tools such as AWS Migration Hub, Server Migration Service (SMS), and Database Migration Service (DMS).
• Assess legacy environments and recommend modernization strategies leveraging cloud-native services.

3. Operations & Maintenance (O&M) Support

• Monitor, troubleshoot, and optimize AWS environments using tools like CloudWatch, CloudTrail, and AWS Config.
• Perform patching, upgrades, backups, and incident response to ensure system reliability and performance.

4. Automation & DevOps Enablement

• Develop and maintain Infrastructure as Code (IaC) using tools such as AWS CloudFormation or Terraform.
• Support CI/CD pipelines and automate deployment processes to improve efficiency and reduce manual intervention.

5. Security & Compliance

• Implement and manage AWS security controls, including IAM policies, encryption, and network security configurations.
• Ensure compliance with organizational and regulatory standards through continuous monitoring and auditing.

Key Responsibilities

• Administer and maintain AWS environments across development, testing, and production.
• Configure and manage networking components including VPCs, subnets, route tables, and security groups.
• Support cloud cost optimization initiatives and resource utilization tracking.
• Collaborate with engineering, security, and DevOps teams to support application deployments.
• Document system configurations, processes, and operational procedures.
• Provide on-call support and participate in incident management and root cause analysis.

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience).
• 3–7+ years of systems administration experience, with at least 2–3 years in AWS environments.
• Hands-on experience with AWS services including EC2, S3, RDS, IAM, VPC, Lambda, and CloudWatch.
• Experience migrating on-premise infrastructure to AWS cloud environments.
• Strong knowledge of Linux and/or Windows server administration.
• Experience with scripting languages such as Python, Bash, or PowerShell.

Preferred Certifications

• AWS Certified SysOps Administrator – Associate (highly preferred)
• AWS Certified Solutions Architect – Associate or Professional
• AWS Certified DevOps Engineer – Professional (nice to have)
• Additional certifications (CompTIA Security+, Linux+, etc.) are a plus

Required Skills

• AWS Architecture & Cloud Design
• Cloud Migration (On-Prem to AWS)
• AWS Tools: CloudWatch, CloudTrail, CloudFormation, Systems Manager
• Infrastructure as Code (Terraform or CloudFormation)
• Networking (TCP/IP, DNS, VPN, Load Balancing)
• Monitoring & Incident Management
• Security Best Practices & IAM Management