Linux Cloud Engineer

About the role

CNA National is seeking a hands-on Linux Cloud Engineer to support the cloud infrastructure that powers their critical business applications and digital services.

Responsibilities

• Design, deploy, administer, and support Linux-based cloud infrastructure with a primary focus on AWS.
• Build and maintain highly available, scalable, and secure cloud environments utilizing AWS services including EC2, VPC, IAM, EFS, FSx, S3, and other related services.
• Implement automation scripts and tools to streamline provisioning, configuration management, patching, and operational tasks using Infrastructure as Code solutions such as Terraform, along with other automation frameworks.
• Administer and operate AWS Systems Manager (SSM) and related tooling to manage patching, configuration, and operational automation at scale.
• Maintain and monitor cloud infrastructure, Linux operating systems, and application performance to ensure optimal availability and service delivery.
• Administer Linux operating systems, including patch management, upgrades, security hardening, and performance tuning.
• Participate in disaster recovery planning, backup validation, and business continuity initiatives.
• Develop and maintain technical documentation, architecture diagrams, operational procedures, and support runbooks.
• Participate in after-hours maintenance activities and on-call support rotations as required.

Requirements

• Minimum of 5 years of Linux systems administration experience in enterprise environments.
• Minimum of 3 years of hands-on AWS experience supporting Linux workloads in production environments.
• Experience implementing Infrastructure as Code and configuration management using Terraform, CloudFormation, Ansible, Puppet, or similar automation tools.
• Proficiency with shell scripting and automation using Bash, Python, or similar scripting languages.
• Experience supporting cloud infrastructure in highly available production environments.
• Experience with version control (Git) and integrating infrastructure changes into collaborative workflows.

Preferred Experience

• Experience with CI/CD pipelines and deployment automation tooling.
• Working experience with container technologies, Kubernetes, and orchestration platforms; Amazon EKS experience preferred.
• Experience administering Oracle Linux environments and patch management using Oracle Linux OS Management Hub (or Oracle Linux Manager / Spacewalk).
• Experience with enterprise monitoring platforms such as Amazon CloudWatch, Icinga, or Nagios.
• Knowledge of integrating monitoring solutions with SIEM platforms, preferably Splunk.
• Experience with AWS RDS and supporting database-adjacent production workloads.