Senior AWS DevOps Engineer: Scale, Reliability & Automation

Peopleforce Ltd.; Buenos Aires; Remote; ARS 3,000,000 - 6,000,000; Full time

Job summary

Peopleforce Ltd. in Buenos Aires is seeking a Senior DevOps Engineer to own and optimize our AWS-based production platform, focusing on scalability, reliability, and cost efficiency.

You will automate infrastructure, build robust CI/CD pipelines, and support mission-critical systems 24/7. The role requires 5+ years in DevOps/SRE, deep AWS knowledge (ECS/Fargate, VPC, Route 53), Terraform, Docker, Kafka, EMR, Airflow, and strong scripting with Python/Bash.

Qualifications

• 5+ years in DevOps, SRE, or Platform Engineering.
• Advanced AWS: ECS/Fargate, ALB/NLB, Auto Scaling, VPC, Transit Gateway, Route 53, ACM, CloudFront, IAM, KMS, Secrets Manager, SSM, and CloudTrail.
• Infrastructure as Code: Terraform with reusable modules, S3 remote state, version pinning, multi-environment deployments (Dev, QA, Integration, Prod).
• Containerization: Docker, Dockerfiles, ECR, ECS task definitions.
• CI/CD: Jenkins, Groovy, Jenkinsfiles, shared libraries, Java/Maven builds, Shift-Left security.
• Streaming & Data: Kafka (AWS MSK), Aerospike, EMR/EMR Serverless, Flink, Airflow, Athena, S3 Tables.
• Monitoring & Observability: Prometheus, Grafana, CloudWatch, OpenSearch, Slack, SNS.
• Automation: Python (boto3), Bash, AWS Lambda.
• Security: vulnerability management, patching, credential protection, API keys, least privilege.
• Tools & Collaboration: Git, PRs, Jira, Confluence.

Responsibilities

• Ensure infrastructure scalability, reliability, security, and cost efficiency for 24/7 production systems.
• Manage high-availability, high-throughput, low-latency environments.
• Implement Terraform-based IaC across multiple environments (Dev, QA, Integration, Prod).
• Develop and maintain CI/CD pipelines with Jenkins, Groovy, and Java/Maven builds.
• Monitor systems using Prometheus, Grafana, CloudWatch, OpenSearch, and logs.
• Collaborate with teams via Jira/Confluence and AI-powered development tools.
• Automate operations with Python/boto3, Bash, and AWS Lambda.
• Support and improve security through vulnerability management and least-privilege access.

Skills

AWS

CI/CD

Infrastructure automation

Python

Security best practices

Monitoring and observability

Tools

Terraform

Docker

Jenkins

Kafka (MSK)

EMR

Airflow

OpenSearch

Job description

Peopleforce Ltd. in Buenos Aires is seeking a Senior DevOps Engineer to own and optimize our AWS-based production platform, focusing on scalability, reliability, and cost efficiency.

You will automate infrastructure, build robust CI/CD pipelines, and support mission-critical systems 24/7. The role requires 5+ years in DevOps/SRE, deep AWS knowledge (ECS/Fargate, VPC, Route 53), Terraform, Docker, Kafka, EMR, Airflow, and strong scripting with Python/Bash.