Senior AWS DevOps Engineer — Scale, Security & 24/7

Flux It; Quilmes; Remote; ARS 153,735,000 - 215,229,000; Full time

Job summary

Flux It is seeking a Senior DevOps Engineer to design, deploy, and maintain scalable AWS infrastructure and data platforms. You will manage container workloads with ECS/Fargate, implement Terraform modules and Jenkins pipelines, and optimize costs while enforcing security controls.

The role requires 5+ years in DevOps or SRE and strong scripting skills. Ideal candidates will work across streaming/data tech like Kafka, EMR, Airflow and OpenSearch, with emphasis on observability, automation, and

Qualifications

• 5+ years in DevOps, SRE, or Platform Engineering, supporting 24/7 production environments.
• Advanced AWS: ECS/Fargate, ALB/NLB, Auto Scaling, VPC, Transit Gateway, Route 53, ACM, CloudFront, IAM, KMS, Secrets Manager, SSM, and CloudTrail across multiple AWS accounts.
• Infrastructure as Code: Advanced Terraform expertise, including reusable versioned modules, S3 remote state, version pinning, and multi-environment deployments (Dev, QA, Integration, Prod).
• Containerization: Docker, Dockerfiles, ECR image management, base images, and ECS task definitions.
• CI/CD: Jenkins, Groovy, Jenkinsfiles, shared libraries, Java/Maven builds, and Shift-Left security practices.
• Streaming & Data Infrastructure: Kafka (AWS MSK), Aerospike, and Multi-AZ architectures; EMR/EMR Serverless, Flink, Airflow, Athena, S3 Tables.
• Monitoring & Observability: Prometheus, Grafana, Graphite, CloudWatch, Fluent Bit, Logstash, OpenSearch, Slack, and SNS alerting.
• Automation: Python (boto3), Bash, and AWS Lambda.
• Security: Vulnerability management, patching, credential protection, API key security, least-privilege access.
• Tools & Collaboration: Git, Pull Requests, Jira, Confluence, and AI-powered development tools.

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 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 to documentation and support.
• Create runbooks and documentation for first-level support teams.
• Manage infrastructure changes through reviewed Pull Requests using a single main branch.
• Use performance metrics and cost analysis to guide technical decisions and advisory.
• Leverage AI tools to improve productivity while maintaining code quality.

Skills

AWS

Terraform

CI/CD

Python

Bash

Jenkins

Docker

Prometheus

Grafana

Kafka

Tools

ECS/Fargate

ALB/NLB

VPC

Route 53

Terraform modules

Jenkins/Groovy

Python boto3

EMR

Airflow

OpenSearch

Job description

Flux It is seeking a Senior DevOps Engineer to design, deploy, and maintain scalable AWS infrastructure and data platforms. You will manage container workloads with ECS/Fargate, implement Terraform modules and Jenkins pipelines, and optimize costs while enforcing security controls.

The role requires 5+ years in DevOps or SRE and strong scripting skills. Ideal candidates will work across streaming/data tech like Kafka, EMR, Airflow and OpenSearch, with emphasis on observability, automation, and