Senior AWS DevOps Engineer - Scalable, Secure Infra

Flux It; Buenos Aires; Remote; ARS 3,000,000 - 4,200,000; Full time

Job summary

1801 Haleon Argentina S.A. is seeking a Senior DevOps Engineer to own AWS infrastructure and CI/CD pipelines. You will work on high-availability production systems, implement Terraform modules, and manage container workloads with ECS/Fargate.

The role emphasizes security, cost efficiency, and automation using Python, Groovy, and AWS services. You will collaborate with cross-functional teams to deliver reliable, scalable platforms 24/7.

Qualifications

• 5+ years in DevOps, SRE, or Platform Engineering, supporting 24/7 production environments.

Responsibilities

• Design, deploy, and maintain scalable, secure, highly available AWS infrastructure.
• Manage containerized workloads using ECS/Fargate, ALB/NLB, and autoscaling.
• Develop and maintain reusable Terraform modules and Jenkins/Groovy CI/CD pipelines.
• Operate and optimize streaming platforms, data infrastructure, and distributed systems.
• Implement monitoring, logging, alerting, and proactive incident resolution.
• Continuously optimize AWS costs through resource right-sizing, waste reduction, and cost-conscious architecture decisions.
• Automate operational processes using Python, Bash, and AWS Lambda.
• Strengthen infrastructure security, vulnerability management, and CI/CD security controls.
• Own infrastructure projects end-to-end, from design and deployment to documentation and ongoing support.
• Create clear technical documentation and step-by-step runbooks for first-level support teams.
• Manage infrastructure changes through reviewed Pull Requests using a single main branch.
• Use performance metrics, operational data, and cost analysis to guide technical decisions and advise leadership.
• Leverage AI tools to improve productivity while maintaining code quality and review standards.

Skills

AWS

CI/CD

SRE practices

Automation

Python scripting

Tools

Docker

Terraform

Jenkins

Groovy

Kubernetes

ECS/Fargate

ECR

CloudWatch

Prometheus

Grafana

OpenSearch

Kafka

EMR

Airflow

Athena

S3

Lambda

boto3

Job description

1801 Haleon Argentina S.A. is seeking a Senior DevOps Engineer to own AWS infrastructure and CI/CD pipelines. You will work on high-availability production systems, implement Terraform modules, and manage container workloads with ECS/Fargate.

The role emphasizes security, cost efficiency, and automation using Python, Groovy, and AWS services. You will collaborate with cross-functional teams to deliver reliable, scalable platforms 24/7.