Senior AWS Cloud Engineer

Castillians

AWS Cloud Engineer responsible for designing and maintaining AWS cloud infrastructure for a technology firm. Work involves implementing IaC, CI/CD, and managing containerized applications remotely.

Posted 7/9/2026contractRemote • 🇮🇪 IrelandSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDynamoDBEC2GrafanaJenkinsKubernetesLinuxPostgresPrometheusPythonTerraform

About the role

Key responsibilities & impact

Design, deploy, and manage AWS infrastructure using Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation.
Build and maintain robust CI/CD pipelines using Jenkins, GitLab CI, GitHub Actions, or AWS CodeSuite to streamline application delivery.
Manage containerized applications using Amazon EKS (Kubernetes) or ECS (Fargate/EC2) in production environments.
Implement comprehensive monitoring, logging, and alerting strategies using CloudWatch, Prometheus, Grafana, or the ELK Stack to ensure system reliability and performance.
Enforce cloud security best practices including IAM least privilege, VPC security groups, encryption (KMS), and assist in compliance audits (SOC2, ISO).
Optimize AWS services (EC2, RDS, Lambda, S3) for high availability, scalability, and cost efficiency through right-sizing and purchasing strategies.

Requirements

What you’ll need

5+ years of experience in Cloud Engineering, DevOps, or Systems Administration with at least 4 years specifically focused on AWS.
Demonstrate deep expertise in core AWS compute services including EC2, Lambda, and ECS/EKS.
Demonstrate deep expertise in AWS networking services including VPC, Subnets, Route53, and Application/Network Load Balancers (ALB/NLB).
Demonstrate deep expertise in AWS storage and database services including S3, EBS, EFS, RDS (Aurora/PostgreSQL), and DynamoDB.
Demonstrate deep expertise in AWS security and governance services including IAM, KMS, WAF, and Shield.
Exhibit expert proficiency in Infrastructure as Code using Terraform (preferred) or AWS CloudFormation.
Exhibit strong coding and scripting abilities in Python or Bash for automation tasks.
Possess extensive hands-on experience with Linux system administration, troubleshooting, and performance tuning.
Have hands-on experience designing and maintaining CI/CD pipelines and version control systems (Git).

Benefits

Comp & perks

Ongoing Business Support: Access to CX guidance, regulatory updates, and industry insights through our professional network.

ATS Keywords

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Hard Skills & Tools

AWS EC2AWS LambdaAWS ECSAWS EKSTerraformAWS CloudFormationPythonBashLinux AdministrationAWS RDS