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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.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.