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On.energy • Ciudad de México, Mexico
Salary: 401(k) with compa
Role & seniority: Quality Assurance Lead (senior)
Location & work type: Remote; travel ~20%
Stack/tools: Python, C/C++, test automation (Python), CI/CD; AWS, Docker; GitHub/Bitbucket; Industrial Protocols (Modbus TCP, OPC UA, MQTT, BACnet); SCADA; Power System Market Applications; Matlab/Simulink (nice-to-have)
Define and execute test strategies; validate performance under normal and edge conditions
Ensure quality, reliability, and scalability of controls algorithms, SCADA integrations, and distributed systems
Collaborate with engineers to ensure safe, scalable operation of systems in production
5+ years testing applications in Python & C/C++
5+ years test automation with Python; exposure to modern test frameworks and CI/CD
5+ years testing closed-loop controls algorithms
Experience with Power System Market Applications; AWS, Docker; GitHub/Bitbucket
Industrial protocols: Modbus TCP, OPC UA, MQTT, BACnet
Strong communication; ability to work independently; willing to travel 20%
Experience testing diverse COTS/Open-Source software
OT cybersecurity considerations
Matlab/Simulink; SCADA systems experience
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: Remote 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.
Christmas Bonus (Aguinaldo): 30 days Major medical expenses and life insurance Paid time off and holidays (per local policy)
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.