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 Senior AWS Cloud / DevOps / Platform Engineer who operates with a high level of autonomy and technical leadership to design, build, and operate scalable, secure AWS environments.
This role is ideal for experienced engineers who not only have deep hands-on AWS expertise, but can also independently drive architecture decisions, lead implementations end-to-end, and proactively identify improvements across cloud infrastructure, networking, and automation.
You will partner with DevOps, Security, and Application teams while serving as a key technical owner for cloud platform reliability, scalability, and performance.
Key Responsibilities
- Lead the design, deployment, and ongoing optimization of AWS infrastructure using Infrastructure as Code (IaC) (CDK, CloudFormation, Terraform)
- Own AWS networking architecture and implementation, including:
- VPC design, subnet strategy, and routing
- Client VPN and site-to-site VPN
- Internet Gateways, NAT Gateways
- Security Groups and Network ACLs
- VPC Peering, Transit Gateway, and PrivateLink
- Architect and support hybrid and multi-account AWS environments at scale
- Independently diagnose and resolve complex networking issues, including VPN, Direct Connect, and routing challenges
- Drive CI/CD and infrastructure automation initiatives in collaboration with DevOps teams
- Proactively monitor and optimize cloud environments for performance, cost, scalability, and availability
- Lead incident response, root cause analysis, and implementation of preventive measures
- Ensure adherence to AWS security best practices and compliance standards
- Produce and maintain high-quality technical documentation and architectural diagrams
Required Skills & Experience
- 5–8+ years of experience in cloud, infrastructure, or DevOps engineering
- Strong hands-on expertise with AWS services, including:
- EC2, VPC, IAM, ALB/NLB, Route 53
- S3, RDS, CloudWatch
- Advanced networking knowledge, including:
- TCP/IP, DNS, HTTP/S
- CIDR design, subnetting, and routing strategies
- Firewalls, load balancing, and secure network design
- Proven experience designing and managing Infrastructure as Code solutions
- Strong Linux systems knowledge
- Demonstrated ability to independently troubleshoot and resolve complex system and network issues
- Experience operating in multi-account AWS environments (AWS Organizations, cross-account access)
Education (Required)
- Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related technical field from an accredited university in LATAM (e.g., Argentina, Chile, México, or equivalent) is required
Soft Skills
- Strong ownership mindset with the ability to work independently and drive outcomes
- Excellent problem-solving and analytical skills
- Ability to clearly communicate complex technical concepts in English
- Proactive, self-directed, and highly accountable
- Collaborative approach with the ability to influence across teams
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.
