AWS Cloud Engineer
Location: Argentina; Chile
Department: Software Platform
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 initial troubleshooting for incidents and contribute to root cause analysis
- Apply AWS security and networking best practices in day-to-day operations
- Create and maintain clear technical documentation with minimal guidance
Required Skills & Experience
- 3–5 years of experience in cloud, infrastructure, or DevOps engineering
- Hands-on experience with AWS services, especially:
- EC2, VPC, IAM, ALB/NLB, Route 53
- S3, RDS, CloudWatch
- Strong networking fundamentals, including:
- TCP/IP, DNS, HTTP/S
- CIDR, subnetting, and routing
- Firewalls and load balancing concepts
- Experience with Infrastructure as Code (Terraform, CloudFormation, or CDK)
- Working knowledge of Linux systems
- Proven ability to troubleshoot network connectivity and performance issues independently
- Familiarity with multi-account AWS environments
Education
- Degree in Computer Science, Engineering, Information Systems, or a related technical field from an accredited university or technical institute in LATAM (Argentina, Chile, México, or equivalent) preferred
- Alternatively, completion of a recognized technical or vocational program (e.g., coding bootcamp, cloud engineering program) from a reputable LATAM institution, combined with relevant hands-on experience
- AWS certifications (e.g., Cloud Practitioner, Solutions Architect Associate) or equivalent training strongly preferred
- Demonstrated commitment to continuous learning through certifications, labs, or real-world projects
Soft Skills
- Ability to work independently, prioritize tasks, and take ownership of deliverables
- Strong problem-solving and analytical mindset
- Clear communication of technical concepts in English
- Proactive, self-driven, and collaborative approach
- Growth mindset with a strong interest in cloud and networking domains
For US-based roles - What you’ll get:
- Competitive salary + annual performance-based bonus eligibility
- Medical, dental, and vision insurance
- 401(k) with company match
- Paid time off and company holidays
For Mexico-based roles - What you’ll get:
- Competitive salary + annual performance bonus eligibility
- Christmas Bonus (Aguinaldo): 30 days
- Major medical expenses and life insurance
- Paid time off and holidays (per local policy)
For all roles:
- Professional development and growth opportunities
- Opportunity to grow with a mission-driven team shaping the future of clean energy
- Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
- Accommodations: If you need an accommodation during the application process, email [email protected]
- Benefits vary by role and location and are subject to change.
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