Job Description

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.

REMOTE (ARGENTINA, CHILE, MÉXICO)

Role Description

We are looking for a Jr. AWS Cloud / DevOps Engineer / Platform Engineer with solid cloud infrastructure and networking expertise to help design, build, and operate scalable AWS environments.
You will work closely with DevOps, Security, and Application teams to deliver reliable, secure, and well-architected cloud solutions.
This role is ideal for engineers who already have hands-on AWS experience and want to deepen their skills in networking, automation, and cloud architecture.

Key Responsibilities

• Design, deploy, and maintain AWS cloud infrastructure using Infrastructure as Code (IaC) (e.g., CDK, CloudFormation, Terraform)
• Implement and manage AWS networking components, including:
• VPCs, subnets, route tables
• Client VPN, VPN site-to-site
• Internet Gateways, NAT Gateways
• Security Groups and Network ACLs
• VPC Peering, Transit Gateway, and PrivateLink
• Support hybrid and multi-account AWS environments
• Configure and troubleshoot VPNs, Direct Connect, and routing issues
• Collaborate with DevOps teams on CI/CD pipelines and cloud automation
• Monitor cloud resources, optimize performance, cost, and availability
• Participate in incident troubleshooting and root cause analysis
• Apply AWS security and networking best practices
• Produce and maintain technical documentation

Required Skills & Experience

• 3–5 years of experience in cloud or infrastructure 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, routing
• Firewalls and load balancing concepts
• Experience with Infrastructure as Code
• Working knowledge of Linux systems
• Experience troubleshooting network connectivity and performance issues
• Familiarity with multi-account AWS setups

Education

Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related technical field preferred
Equivalent practical experience in cloud, infrastructure, or DevOps engineering will be considered in lieu of a formal degree
Ongoing learning through AWS training, certifications, or hands-on projects is strongly valued

Soft Skills

• Strong problem-solving and analytical mindset
• Ability to communicate technical topics clearly in English
• Collaborative and proactive attitude
• Willingness to learn and grow within 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 recruitment@onenergystorage.com
Benefits vary by role and location and are subject to change.

AWS Cloud Engineer Jr. - OnEnergy

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