Senior AWS Cloud Engineer at ON.energy

<div class="content-intro"><p>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.</p></div><p data-start="123" data-end="322">We are seeking a <strong data-start="140" data-end="189">Senior AWS Cloud / DevOps / Platform Engineer</strong> who operates with a high level of autonomy and technical leadership to design, build, and operate scalable, secure AWS environments.</p> <p data-start="324" data-end="600">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.</p> <p data-start="602" data-end="764">You will partner with DevOps, Security, and Application teams while serving as a key technical owner for cloud platform reliability, scalability, and performance.</p> <h3 data-section-id="165gfiz" data-start="771" data-end="799"><strong data-start="775" data-end="799">Key Responsibilities</strong></h3> <ul data-start="801" data-end="1972"> <li data-section-id="14852t7" data-start="801" data-end="948">Lead the design, deployment, and ongoing optimization of AWS infrastructure using Infrastructure as Code (IaC) (CDK, CloudFormation, Terraform)</li> <li data-section-id="1geqwg8" data-start="949" data-end="1229">Own AWS networking architecture and implementation, including: <ul data-start="1018" data-end="1229"> <li data-section-id="1epntew" data-start="1018" data-end="1062">VPC design, subnet strategy, and routing</li> <li data-section-id="1fqhk69" data-start="1065" data-end="1100">Client VPN and site-to-site VPN</li> <li data-section-id="1ki09no" data-start="1103" data-end="1138">Internet Gateways, NAT Gateways</li> <li data-section-id="19vj3ui" data-start="1141" data-end="1177">Security Groups and Network ACLs</li> <li data-section-id="81ld92" data-start="1180" data-end="1229">VPC Peering, Transit Gateway, and PrivateLink</li> </ul> </li> <li data-section-id="f4pztj" data-start="1230" data-end="1306">Architect and support hybrid and multi-account AWS environments at scale</li> <li data-section-id="11zsvd1" data-start="1307" data-end="1426">Independently diagnose and resolve complex networking issues, including VPN, Direct Connect, and routing challenges</li> <li data-section-id="v06ibp" data-start="1427" data-end="1519">Drive CI/CD and infrastructure automation initiatives in collaboration with DevOps teams</li> <li data-section-id="1e0fx04" data-start="1520" data-end="1628">Proactively monitor and optimize cloud environments for performance, cost, scalability, and availability</li> <li data-section-id="1u1wb4b" data-start="1629" data-end="1719">Lead incident response, root cause analysis, and implementation of preventive measures</li> <li data-section-id="1aqsghn" data-start="1720" data-end="1796">Ensure adherence to AWS security best practices and compliance standards</li> <li data-section-id="1n3fqf3" data-start="1797" data-end="1885">Produce and maintain high-quality technical documentation and architectural diagrams</li> </ul> <h3 data-section-id="1k8xv05" data-start="1979" data-end="2015"><strong data-start="1983" data-end="2015">Required Skills &amp; Experience</strong></h3> <ul data-start="2017" data-end="2718"> <li data-section-id="1r153co" data-start="2017" data-end="2093">5–8+ years of experience in cloud, infrastructure, or DevOps engineering</li> <li data-section-id="1f6dio6" data-start="2094" data-end="2218">Strong hands-on expertise with AWS services, including: <ul data-start="2156" data-end="2218"> <li data-section-id="c1ca03" data-start="2156" data-end="2192">EC2, VPC, IAM, ALB/NLB, Route 53</li> <li data-section-id="tyevn9" data-start="2195" data-end="2218">S3, RDS, CloudWatch</li> </ul> </li> <li data-section-id="l0cj5p" data-start="2219" data-end="2403">Advanced networking knowledge, including: <ul data-start="2267" data-end="2403"> <li data-section-id="3h4b7o" data-start="2267" data-end="2290">TCP/IP, DNS, HTTP/S</li> <li data-section-id="ya3ipv" data-start="2293" data-end="2344">CIDR design, subnetting, and routing strategies</li> <li data-section-id="xhpitc" data-start="2347" data-end="2403">Firewalls, load balancing, and secure network design</li> </ul> </li> <li data-section-id="1ijey89" data-start="2404" data-end="2481">Proven experience designing and managing Infrastructure as Code solutions</li> <li data-section-id="s0f1yx" data-start="2482" data-end="2516">Strong Linux systems knowledge</li> <li data-section-id="1oh2bmb" data-start="2517" data-end="2617">Demonstrated ability to independently troubleshoot and resolve complex system and network issues</li> <li data-section-id="zt60f0" data-start="2618" data-end="2718">Experience operating in multi-account AWS environments (AWS Organizations, cross-account access)</li> </ul> <h3 data-section-id="1uwzn7o" data-start="3157" data-end="3185"><strong data-start="3161" data-end="3185">Education (Required)</strong></h3> <ul data-start="3187" data-end="3393"> <li data-section-id="16fdz64" data-start="3187" data-end="3393"><strong data-start="3189" data-end="3393">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</strong></li> </ul> <h3 data-section-id="a4nr62" data-start="3400" data-end="3419"><strong data-start="3404" data-end="3419">Soft Skills</strong></h3> <ul data-start="3421" data-end="3755"> <li data-section-id="m7pk9m" data-start="3421" data-end="3507">Strong ownership mindset with the ability to work independently and drive outcomes</li> <li data-section-id="1i87jyl" data-start="3508" data-end="3559">Excellent problem-solving and analytical skills</li> <li data-section-id="tjyt7p" data-start="3560" data-end="3632">Ability to clearly communicate complex technical concepts in English</li> <li data-section-id="rtpidr" data-start="3633" data-end="3685">Proactive, self-directed, and highly accountable</li> <li data-section-id="1ssornp" data-start="3686" data-end="3755">Collaborative approach with the ability to influence across teams</li> </ul><div class="content-conclusion"><hr> <p><strong>For US-based roles - What you’ll get:</strong></p> <ul> <li>Competitive salary + annual performance-based bonus eligibility</li> <li>Medical, dental, and vision insurance</li> <li>401(k) with company match</li> <li>Paid time off and company holidays&nbsp;</li> </ul> <p><strong>For Mexico-based roles - What you’ll get:</strong></p> <ul> <li>Competitive salary + annual performance bonus eligibility</li> <li>Christmas Bonus (Aguinaldo): 30 days</li> <li>Major medical expenses and life insurance</li> <li>Paid time off and holidays (per local policy)</li> </ul> <p><strong>For all roles:</strong></p> <ul> <li>Professional development and growth opportunities</li> <li>Opportunity to grow with a mission-driven team shaping the future of clean energy</li> <li>Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.</li> <li>Accommodations: If you need an accommodation during the application process, email <a href="mailto:[email protected]">[email protected]</a></li> <li>Benefits vary by role and location and are subject to change.</li> </ul></div>