Graduate Site Reliability Engineer at SiXworks developing skills in automation and cloud technologies while working in a collaborative team environment. Focus on supporting scalable systems and services through best practices in DevOps.
About the role
- AWS Cost Optimization Specialist optimizing cloud costs at Clara, a leading fintech in Latin America. Enhancing financial governance while ensuring efficient AWS resource usage in Mexico City.
Responsibilities
- Design and execute the global AWS cost optimization strategy, continuously identifying savings across EC2, ECS, and Aurora clusters.
- Implement standardized tagging strategies for precise cost allocation by domain, squad, country, and product.
- Optimize AWS Kafka clusters, OpenSearch storage strategies, and networking/data transfer costs to ensure lean operations.
- Define and implement automated shutdown policies for non-production environments and configure advanced anomaly detection and budget alerts.
- Build executive and operational dashboards using AWS Cost Explorer, Athena, or QuickSight to provide real-time visibility into cloud spend.
- Partner with engineering teams to design cost-efficient architectures and establish long-term cloud financial governance standards.
Requirements
- 4+ years of hands-on AWS experience in production environments, with a proven track record in cloud cost optimization initiatives.
- Strong technical knowledge of EC2, EBS, RDS, S3, EKS, Lambda, and CloudFront.
- Mastery of AWS Savings Plans, Reserved Instances, and multi-account environment management via AWS Organizations.
- Experience implementing FinOps best practices and strong understanding of cost modeling.
- Experience with Infrastructure as Code, specifically Terraform.
- Ability to analyze cost data using SQL, Athena, or Python.
- Working proficiency in English and Spanish.
- Experience or interest in AI tools to automate workflows and detect spending patterns.
Benefits
- Competitive salary and stock options (ESOP) from day one
- Multicultural team with daily exposure to Portuguese, Spanish, and English (our corporate language)
- Annual learning budget and internal accelerated development paths
- High-ownership environment: we move fast, learn fast, and raise the bar — together
- Smart, ambitious teammates — low ego, high impact
- Flexible vacation and hybrid work model focused on results
Job title
Job type
Experience level
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Not specified
Degree requirement
No Education Requirement
Tech skills
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