Senior Cloud Infrastructure Engineer

Project Description

Aetion is a healthcare technology company that provides real-world evidence (RWE) solutions and analytics software to biopharmaceutical companies, payers, and regulatory agencies.

Job Description

Must-Have

Candidates must be able to demonstrate real, hands-on CLI experience in the following areas:

AWS Infrastructure
- Working via CLI with core AWS services
- Solid understanding of networking, storage, IAM, and common AWS components

Kubernetes
- Accessing, managing, and troubleshooting Kubernetes clusters using CLI tools (kubectl, contexts, basic cluster operations)

Python
- Practical coding experience
- Ability to read, understand, and modify existing Python code (not scripting-only or theoretical knowledge)

Required Technologies & Skills
- Cloud: AWS (EC2, VPC, IAM, S3, Transit Gateway, SSM, CloudWatch, Route53)
- IaC: Terraform (modules, state, providers), Packer
- OS & Networking: Windows environments, WSL, VPN technologies (OpenVPN, GlobalProtect)
- CI/CD: GitHub Actions (workflows, runners, OIDC)
- Strong ownership mindset and ability to work independently

Job Responsibilities

Infrastructure Stabilization & Migration
- Troubleshoot and repair Image Builder / Packer pipelines to ensure secure and reliable base image generation
- Manage patching for isolated Windows environments
- Execute final migration steps from OpenVPN to GlobalProtect, including troubleshooting edge cases involving WSL and DNS

Infrastructure as Code
- Manage, refactor, and modernize a complex Terraform codebase migrated from CloudFormation
- Improve state management, modularization, and long-term maintainability
- Safely import and standardize legacy resources

Platform & Environment Ownership
- Operate confidently in legacy systems with incomplete documentation
- Make technical decisions that prioritize security, stability, and delivery