Senior AWS DevOps Engineer | Terraform, CI/CD, SRE

Bluelight; Quilmes; Remote; ARS 3,200,000 - 5,200,000; Full time

Job summary

Bluelight in the Buenos Aires area seeks a Senior DevOps Engineer to design and operate scalable, secure production environments in AWS, with focus on low latency and high availability.

You will own infrastructure as code with Terraform, run container workloads with ECS, implement Jenkins-based CI/CD, and collaborate across teams to optimize cost, security and performance in a 24/7 production setting.

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: Production experience with Kafka (AWS MSK), Aerospike, and Multi-AZ architectures. Experience with EMR/EMR Serverless, Flink, Airflow, Athena, and S3 Tables.
• Monitoring & Observability: Prometheus, Grafana, Graphite, CloudWatch, Fluent Bit, Logstash, OpenSearch, Slack, and SNS alerting.
• Automation: Strong Python (boto3), Bash scripting, and AWS Lambda.
• Security: Vulnerability management, system patching, credential protection, API key security, and least-privilege access.
• Tools & Collaboration: Git, Pull Requests, Jira, Confluence, and AI-powered development tools.
• Strong problem-solving skills, independent work capabilities, proactive communication, and data-driven decision-making.

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 runbooks for first-level support teams.
• Manage infrastructure changes through PRs using a single main branch.
• Use performance metrics, operational data, and cost analysis to guide decisions.
• Leverage AI tools to improve productivity while maintaining code quality.

Skills

AWS

Terraform

CI/CD

Docker

Kubernetes

Python

Monitoring

Security

Jenkins

Git/Jira

Tools

Jenkins

Git

Confluence

Prometheus

Job description

Bluelight in the Buenos Aires area seeks a Senior DevOps Engineer to design and operate scalable, secure production environments in AWS, with focus on low latency and high availability.

You will own infrastructure as code with Terraform, run container workloads with ECS, implement Jenkins-based CI/CD, and collaborate across teams to optimize cost, security and performance in a 24/7 production setting.