ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper‑scale campuses, validated by top U.S. national labs, and certified for grid‑safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

We are seeking a AWS Cloud / DevOps / Platform Engineer who can operate with a high degree of ownership and independence while contributing to the design, build, and operation of scalable AWS environments.

This role is suited for early‑career engineers who already have hands‑on AWS experience and are ready to take on more responsibility in managing cloud infrastructure end‑to‑end. You will partner with DevOps, Security, and Application teams,



while also being trusted to drive tasks independently—from implementation through troubleshooting and optimization.

Key Responsibilities
- Design, deploy, and maintain AWS cloud infrastructure using Infrastructure as Code (IaC) (e.g., CDK, CloudFormation, Terraform) with minimal supervision
- Independently manage and optimize AWS networking components, including:
- VPCs, subnets, and route tables
- Client VPN and site‑to‑site VPN
- Internet Gateways and NAT Gateways
- Security Groups and Network ACLs
- VPC Peering, Transit Gateway, and PrivateLink
- Support and troubleshoot hybrid and multi‑account AWS environments
- Own configuration and resolution of VPN, Direct Connect, and routing issues
- Collaborate with DevOps teams on CI/CD pipelines, while independently executing assigned automation tasks
- Monitor cloud resources and proactively optimize for performance, cost, and availability
- Lead ini

📌 AWS Cloud Engineer (Argentina)
🏢 On.Energy
📍 Argentina