AWS Cloud Engineer

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 Jr. 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.