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Jobs at ON.energy
39 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
21–39 of 39 jobs
ON.energy · Mexico City, Mexico
Mid levelEngineeringWe are looking for a skilled Quality Management Systems Specialist, with 3-7 years of experience implementing, and maintaining an ISO 9001:2015 Quality Management System (QMS), supporting all quality activities related to the full equipment lifecycle for data center…
Principal Battery Systems Engineer
7 weeks agoON.energy · Houston, Texas, United States +3
Lead / staffEngineeringWe're looking for a Principal Engineer to set the technical direction for our BESS product line and to own the product roadmap across multiple concurrent development cycles. This is the senior technical voice on the product team: you'll architect new products, resolve the…
Inventory Accounting Manager
7 weeks agoON.energy · Houston, Texas, United States +1
SeniorFinanceON.energy is building and operating hyperscale power systems at gigawatt scale. Finance is centralizing all spare-part and equipment inventory into a single pool held in Mission Critical LLC, serving four demand channels: project delivery and commissioning, the first-year…
Principal RTDS Engineer - HIL Testing
8 weeks agoON.energy · Houston, Texas, United States +2
Lead / staffEngineeringThe Principal RTDS Engineer is the technical authority for ON.energy’s hardware-in-the-loop and real-time simulation capability. The role owns the architecture, build-out and operation of the HIL lab in Houston, centered on RTDS. It sets the test strategy and standards used to…
Finance Transformation & Project Manager
2 months agoON.energy · Miami, Florida, United States
SeniorFinanceON.energy is building and operating hyperscale power systems at gigawatt scale. The Finance organization is scaling the systems, processes and controls that support that growth: a NetSuite implementation, Ramp, an inventory management system, process and controls work, and the…
ON.energy · Alpharetta, Georgia, United States +3
Lead / staffData & AIBattery sizing and lifecycle modeling; BESS vendor model review and validation; EMS and Plant Controller integration; Controls strategy validation; Inverter/PCS modeling experience; SCADA and operational analytics; Python, VS Code, Jupyter Notebooks, Git
Senior Network Engineer
3 months agoON.energy · Houston, Texas, United States
SeniorITDesign, implement, and maintain OT network architectures, including LAN/WAN, wireless, and industrial network segments.; Configure, manage, and troubleshoot Palo Alto next-generation firewalls to enforce network security policy and segmentation between OT zones.; Deploy and…
OT Systems Engineer
3 months agoON.energy · Atlanta, Georgia, United States +3
EngineeringThe OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects. This role is critical to successful commissioning and system handover, ensuring reliable…
Manufacturing Engineer
3 months agoON.energy · Houston, Texas, United States
EngineeringAnalyze production flow, line performance, labor utilization, and equipment layout to improve efficiency and reduce waste.; Monitor supplier plan-versus-actual production output and identify gaps that may impact delivery, capacity, or schedule commitments.; Assess procurement…
Quality Assurance Engineer - Manual Testing
3 months agoON.energy · Mexico City, Mexico
EngineeringWe're seeking a Quality Assurance Engineer with Manual Testing experience, to be based in Mexico, supporting our IT division's ERP systems and business applications. This role blends requirements gathering, business process analysis, and hands-on functional, regression, and…
Quality Assurance Engineer - Automation
3 months agoON.energy · Mexico
Mid levelEngineeringWe are looking for a QA Engineer with strong Python skills and hands-on experience in UI automation (Playwright, Selenium) to design, build, and maintain automated test suites. You'll work closely with developers and product teams to ensure high-quality releases through a mix…
Principal Electrical Engineer
3 months agoON.energy · Houston, Texas, United States +2
Lead / staffEngineeringServe as the technical authority for electrical system design across On.Energy product lines.; Lead electrical architecture design including power distribution, protection coordination, grounding strategy, surge protection and overall electrical system integration.; Support…
ON.energy · Alpharetta, Georgia, United States +3
Lead / staffEngineeringBattery sizing and lifecycle modeling; BESS vendor model review and validation; EMS and Plant Controller integration; Controls strategy validation; Inverter/PCS modeling experience; SCADA and operational analytics; Python, VS Code, Jupyter Notebooks, Git
Commissioning Engineer
4 months agoON.energy · Alpharetta, Georgia, United States +5
Full-timeSeniorEngineeringThe Senior Commissioning Engineer serves as the Project Site Lead, providing overall leadership and technical oversight of the commissioning process for ON.energy’s mission-critical, medium-voltage double-conversion UPS systems built on utility-scale BESS equipment (batteries,…
Talent Community
5 months agoON.energy · Tysons
People & HRCompetitive salary + annual performance-based bonus eligibility; Medical, dental, and vision insurance; 401(k) with company match; Paid time off and company holidays
Senior Project Manager, Energy Storage
6 months agoON.energy · Houston, Texas, United States +2
SeniorOperationsCompetitive salary + annual performance-based bonus eligibility; Medical, dental, and vision insurance; 401(k) with company match; Paid time off and company holidays
Site Project Manager, Energy Storage
6 months agoON.energy · Houston, Texas, United States
RemoteSeniorOperationsCompetitive salary + annual performance-based bonus eligibility; Medical, dental, and vision insurance; 401(k) with company match; Paid time off and company holidays
ON.energy · Amarillo, Texas, United States
Full-timeMid levelData & AIThe Site Readiness Technician plays a critical role in ensuring all delivered and installed equipment meets the project Quality Plan, industry standards, and manufacturer specifications. This role performs detailed receiving inspections, validates construction quality after…
ON.energy · Atlanta, Georgia, United States +2
Mid levelEngineeringON.energy is looking for a skilled Supplier Quality Engineer to support the supplier quality activities related to battery energy storage systems (BESS) across the full equipment lifecycle—from procurement and factory testing to site delivery and installation. In this role, you…
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.