Senior AWS Infrastructure Engineer

Optimal Growth Technologies
South Africa
ZAR 300 000 - 400 000
Job description

Senior AWS Infrastructure Engineer (10+ Years Experience)

Role Overview:

  • We are seeking a highly skilled and experienced Senior AWS Infrastructure Engineer with over 10 years of expertise in designing, deploying, and managing cloud infrastructure on Amazon Web Services (AWS).
  • The ideal candidate will have a deep understanding of AWS services, cloud architecture best practices, automation, and infrastructure as code (IaC) methodologies.
  • As a Senior AWS Engineer, you will be responsible for optimizing our cloud environment, ensuring scalability, security, and cost-efficiency, while leading infrastructure projects and mentoring junior engineers.

Key Responsibilities:

Design & Architecture:

  • Design highly available, scalable, and secure cloud infrastructure on AWS, leveraging services such as EC2, S3, RDS, VPC, CloudFront, and Route 53.

Deployment & Management:

  • Deploy and maintain infrastructure using Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation. Automate infrastructure deployment and scaling to meet business needs.

Cloud Optimization:

  • Monitor and optimize AWS environments for performance, cost efficiency, and security compliance.
  • Identify and implement cost-saving strategies, including rightsizing instances and leveraging AWS cost management tools.

Security & Compliance:

  • Ensure security best practices are followed, including IAM roles, security groups, and encryption.
  • Conduct regular security audits, vulnerability assessments, and compliance checks (e.g., SOC2, GDPR, HIPAA).

Troubleshooting & Monitoring:

  • Troubleshoot infrastructure issues and provide root cause analysis.
  • Implement and maintain monitoring tools such as CloudWatch, Prometheus, or Datadog to ensure system health and uptime.

Collaboration & Leadership:

  • Collaborate with development, DevOps, and security teams to design and implement cloud-native solutions.
  • Lead infrastructure projects, providing technical guidance and mentorship to junior engineers.

Disaster Recovery & Backup:

  • Develop and implement disaster recovery (DR) and business continuity plans.
  • Ensure backups and replication strategies are in place and regularly tested.

Automation & CI/CD:

  • Automate workflows using AWS Lambda, AWS Systems Manager, and other automation tools.
  • Work with DevOps teams to integrate AWS infrastructure into CI/CD pipelines (e.g., Jenkins, GitLab CI).

Key Requirements:

  • Bachelors degree in Computer Science, Information Technology, or related field (or equivalent experience).
  • 10+ years of experience in IT infrastructure, with a strong focus on AWS cloud technologies.
  • Extensive experience with core AWS services such as EC2, S3, VPC, RDS, Lambda, IAM, and CloudFormation/Terraform.
  • Proficiency in Linux/Unix administration and scripting (Bash, Python).
  • Solid understanding of networking concepts (VPCs, subnets, routing, security groups).
  • Experience with CI/CD pipelines, automation frameworks, and configuration management tools (e.g., Ansible, Puppet, or Chef).
  • Strong knowledge of security best practices and AWS security services (KMS, CloudTrail, GuardDuty).
  • Experience with monitoring, logging, and alerting tools (e.g., CloudWatch, ELK, Datadog).
  • Proven ability to troubleshoot complex issues and optimize cloud environments for performance and cost.
  • Experience with disaster recovery strategies and implementation on AWS.
  • AWS Certification (e.g., AWS Certified Solutions Architect, AWS Certified DevOps Engineer) is preferred.
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