DevOps Engineer (AWS / GitHub Actions)

CommIT; Buenos Aires; On-site; ARS 1,200,000 - 1,800,000; Full time

Job summary

CommIT is seeking an experienced DevOps Engineer with strong AWS operational expertise to modernize infrastructure, tighten production support, and drive a CI/CD transformation. This hands-on role focuses on building a mature DevOps function and moving the AWS codebase into GitHub Actions.

The candidate will design scalable pipelines, implement IaC, and lead incident response, while optimizing costs and ensuring security best practices across the stack.

Qualifications

• Experience with AWS infrastructure and operations including EC2, ASG, load balancers and VPCs.
• Design and implement CI/CD pipelines with GitHub Actions and reusable workflows.
• Hands-on with IaC using Terraform or CloudFormation.
• Implement monitoring and observability with dashboards and alerting.

Responsibilities

• Build and mature a DevOps function within the company.
• Move AWS codebase into GitHub Actions and standardize deployment processes.
• Triage incidents and drive rapid recovery/lessons learned.
• Optimize AWS spend and capacity planning.

Skills

AWS

GitHub Actions

CI/CD

Infrastructure as Code

Monitoring/Observability

Cost Optimization

AWS Security

Production Support

Tools

Terraform

CloudFormation

Datadog

Job description

The company is looking for an experienced DevOps Engineer with strong AWS operational expertiseto modernize their infrastructure, tighten production support, and drive a CI/CD transformation. This is a hands-on engineering role --- the person builds a mature DevOps function from the inside and works closely, day to day, with Oscar. The headline project: moving the company AWS codebase into GitHub Actions.

Must-have:

• AWS infrastructure & operations --- EC2, Auto Scaling, Load Balancers, VPC networking fundamentals, operational troubleshooting
• GitHub Actions --- required. Workflow design, reusable workflows, secrets/OIDC, migrating existing pipelines in
• CI/CD & deployment automation --- pipeline design and standardization, release management practices
• Infrastructure as Code --- Terraform or CloudFormation
• Monitoring & observability --- dashboard design, alerting strategy, monitoring cleanup and rationalization (Datadog or an equivalent tool; they may move off Datadog)
• Cost optimization & capacity planning --- AWS spend analysis, resource optimization, scaling and de‑scaling strategy
• AWS security --- WAF administration and security best practices
• Production support --- incident detection and response process

Nice-to-have:

• Datadog specifically (administration and optimization)
• Slack integrations for alerting
• Containers --- ECS / EKS / Docker
• Scripting --- Python or Bash
• Financial services or other regulated‑environment background
• AWS certification (SysOps Administrator / Solutions Architect / DevOps Engineer Professional)