Full 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. Role Summary The Quality Assurance Lead is responsible for ensuring the quality, reliability, and scalability of controls algorithm, SCADA Integrations, and distributed systems. The Quality Assurance Lead will define and execute test strategies, validate system performance under normal and edge conditions, and work closely with engineers to ensure systems operate safely and effectively at scale.

Location: Hybrid (Reston, VA / Houston, TX / Miami, FL) | Remote (U.S.) Required Experience & Skills The candidate will have B.S. degree in Software Engineering, Computer Science, Quality Engineering, or related technical field. 5+ years of experience testing applications developed in Python & C/C++. 5+ years of experience in test automation using Python, with exposure to modern test frameworks and CI/CD integration. 5+ years of experience in testing closed-loop controls algorithms. Experience with Power System Market Applications. Experience with AWS, Docker, Github/Bitbucket. Experience with Industrial Protocols, Modbus TCP, OPC UA, MQTT, BACnet. Experience in forming design & doing analysis of a system or new requirements. Strong oral & written communication skills. Ability to work independently with little day-to-day guidance & achieve targeted goals. Ability to travel 20% Preferred Experience Experience testing diverse COTS or Open-Source Software. Understanding of cybersecurity considerations in OT environment. Experience in high-performing programing such as Matlab, Simulink. Experience with SCADA systems is a plus.

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