Cloud FinOps Specialist

FinOps Weekly; Buenos Aires; Hybrid; ARS 1,200,000 - 2,600,000; Full time

Benefits offered by this job

Private health coverage

Home office policy while abroad

In-person meetings at the CABA office

Connectivity support and work setup

Job summary

Prex is seeking a Cloud FinOps professional to build and scale its FinOps practice, focusing on cloud cost visibility, efficiency, and data-driven decision making across the organization. You will collaborate with Finance, Procurement, Legal, and technical teams to optimize cloud investments and support AI initiatives.

This hands-on role involves developing cost models, governance, and usage monitoring while driving vendor negotiations and cost controls in a rapidly evolving cloud environment.

Qualifications

• Degree in Computer Engineering, Systems, or related field.
• 4+ years of cloud computing, cloud architecture, and cloud tools, especially AWS.
• Experience managing, analyzing, and optimizing technology costs.
• Ability to translate financial and technical information into actionable business recommendations.
• Experience working with vendors, partners, or clients and participating in negotiations.
• Strong command of Excel, PowerPoint, and analytical tools.
• Knowledge of agile methodologies, preferably Scrum.
• Strong analytical mindset, proactive approach, detail-oriented, and excellent communicator.

Responsibilities

• Design and evolve cloud cost allocation models for visibility and traceability.
• Build unit economics metrics by user, transaction, product, and country.
• Manage forecasts, budget tracking, and variance analysis for cloud spending.
• Lead cloud cost optimization initiatives and identify waste.
• Manage Savings Plans, Reserved Instances, and contractual commitments.
• Contribute to the design of architectures with financial efficiency in mind.
• Define FinOps governance processes, anomaly monitoring, and automated cost controls.
• Collaborate with Finance, Procurement, Legal, and technical teams on spend management.
• Promote cost accountability through training and documentation.
• Develop FinOps framework for AI initiatives, including metrics and monitoring.

Skills

Cloud computing

AWS

Cost optimization

Financial analysis

Excel

Negotiation

Communication

Agile / Scrum

Education

Degree in Computer Engineering or Systems

Tools

Kubecost

OpenCost

Job description

Prex is looking for a Cloud FinOps professional to build and scale its FinOps practice. The role is focused on improving how cloud costs are managed across the organization, with a strong emphasis on visibility, efficiency, and data-driven decision-making.

This position sits at the intersection of technology, finance, and business. You will help ensure cloud investments are optimized while supporting the evolution of the company’s cloud infrastructure and new architecture initiatives.

The role also includes building financial governance for cloud spend, supporting cost accountability across teams, and developing FinOps practices for AI-related initiatives.

Key Responsibilities

• – Design and evolve cloud cost allocation models that provide visibility and traceability across the business.
• – Build unit economics metrics to understand cost by user, transaction, product, and country.
• – Manage forecasts, budget tracking, and variance analysis for cloud spending.
• – Lead cloud cost optimization initiatives and identify waste in cloud environments.
• – Manage consumption commitments such as Savings Plans, Reserved Instances, and contractual agreements.
• – Contribute to the design of new architectures with a focus on financial efficiency.
• – Define and operate FinOps governance processes, anomaly monitoring, and automated cost controls.
• – Work with Finance, Procurement, Legal, and technical teams to support end-to-end technology spend management.
• – Promote cost accountability through training, documentation, and team support.
• – Develop the FinOps framework for AI initiatives, including metrics, cost models, and consumption monitoring.

Required Skills

• – Degree in Computer Engineering, Systems, or a related field.
• – More than 4 years of experience in cloud computing, cloud architecture, and cloud tools, especially AWS.
• – Experience managing, analyzing, and optimizing technology costs.
• – Ability to translate financial and technical information into actionable business recommendations.
• – Experience working with vendors, partners, or clients and participating in negotiations.
• – Strong command of Excel, PowerPoint, and analytical tools.
• – Knowledge of agile methodologies, preferably Scrum.
• – Strong analytical mindset, proactive approach, attention to detail, and excellent communication and collaboration skills.

Preferred Skills

• – FinOps Certified Practitioner (FOCP) or FinOps Certified Professional certification.
• – AWS certifications.
• – Experience in fintech, banking, payments, or regulated industries.
• – Knowledge of Kubernetes, EKS, Kubecost, or OpenCost.

FinOps Responsibilities

• – Build and evolve cloud cost allocation and visibility models.
• – Develop unit economics metrics for business-level cost analysis.
• – Forecast cloud spend and track budget performance.
• – Analyze spend variances and support cost governance.
• – Drive optimization efforts and waste reduction in cloud environments.
• – Manage Savings Plans, Reserved Instances, and other consumption commitments.
• – Set up FinOps controls, anomaly detection, and automated monitoring.
• – Support financial design decisions for cloud architecture.
• – Create FinOps practices for AI initiatives, including cost modeling and usage monitoring.

• – Private health coverage.
• – Wellhub Platinum plan.
• – Home office policy while abroad.
• – In-person meetings held at the CABA office.
• – Connectivity support and work setup provided.
• – One additional week of time off.
• – Flexible birthday day off.
• – Prex account with benefits on supermarkets, transportation, travel, and more.
• – Preferential USD purchase through Dólar Prex.
• – Prex International account with exclusive discounts.
• – Access to training and learning platforms.
• – Discounts on universities and training centers.
• – Language classes.
• – Extended maternity and paternity leave.

Useful Links

• – Company Website: https://miprex.com

Why You Might Be Interested

This is a strong opportunity for a FinOps professional who wants to shape a practice from the ground up in a growing cloud environment. The role combines cloud cost optimization, financial governance, and strategic collaboration with Finance, Procurement, Legal, and technical teams. It also includes exposure to AI-related cost management and architecture decisions. The position offers the chance to influence how cloud investments are measured, controlled, and optimized across the business.