UX/UI Specialist 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>The UX/UI Designer is responsible for the design, prototyping, and front-end development of SCADA products and automation interfaces that ensure a seamless and intuitive experience for operators and engineers managing energy storage systems. This role bridges aesthetic design, user research, and technical front-end implementation, working to transform complex system data and stakeholder feedback into high-performance, responsive, and scalable visual solutions.</p> <p>In US:&nbsp; Hybrid 3 days in office (Houston, TX)</p> <p>In Mexico:&nbsp; Remote</p> <p><strong>Key Responsibilities</strong></p> <p>- Design and maintain SCADA product interfaces and new features based on evolving user needs and technical feedback. Develop static front-end components using specialized industrial software, requiring strong proficiency in HTML, CSS, and modern layout techniques like Flexbox and Grid.<br>- Create, manage, and optimize vector graphics and SVGs for high-performance use within the SCADA environment.<br>- Utilize Adobe Illustrator and Figma to maintain and expand a comprehensive internal Design System, including styles, iconography, typography, and color palettes.<br>- Collaborate with the engineering team to solve logic problems and technical challenges when making product interfaces dynamic and data-driven.<br>- Design for a diverse range of environments, ensuring products are fully responsive and optimized for both Light and Dark modes.<br>- Optimize interfaces for touch-screen HMI devices, ensuring industrial-grade usability and ergonomics in the field.&nbsp;Maintain consistency and an excellent eye for detail across all screens and product modules to ensure a unified user experience.</p> <p>- Design and implement intuitive workflows for complex tasks, such as device settings editing and system configuration.<br>- Facilitate regular feedback sessions with both English and Spanish-speaking users to gather qualitative insights and validate design directions.<br>- Refactor and optimize front-end code to improve system performance, maintainability, and long-term scalability.<br>- Proactively identify future design trends and technical improvements to ensure the product remains at the forefront of the energy storage market.</p> <p>&nbsp;</p> <p><strong>Requirements</strong></p> <ul> <li>Bachelor's degree in Multimedia Design, Graphic Design, Interaction Design, UX/UI Design, or a related field, or equivalent experience.</li> <li>Strong proficiency in HTML and CSS, with expertise in modern layout techniques (Flexbox, Grid).</li> <li>Advanced skills in Adobe Illustrator and Figma for vector graphics, design systems, and prototyping.</li> <li>Experience creating and optimizing SVGs for web and industrial applications.</li> <li style="font-weight: bold;"><strong>Proven experience designing user interfaces for industrial, SCADA, or complex data-driven systems.</strong></li> <li>Strong understanding of responsive design principles and multi-device optimization.</li> <li>Experience designing for both Light and Dark mode environments.</li> <li>Knowledge of touch-screen HMI design principles and industrial usability standards.</li> <li>Ability to collaborate with engineering teams to implement dynamic, data-driven interfaces.</li> <li>Experience conducting user research and feedback sessions with diverse user groups.</li> <li>Excellent attention to detail and commitment to visual consistency across products.</li> <li>Strong problem-solving skills and ability to balance aesthetic design with technical constraints.</li> <li>Fluency in English; Spanish language skills are a plus for US candidates.</li> <li>Willingness to travel for user research, commissioning, and stakeholder meetings as needed.</li> </ul> <p>&nbsp;</p><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>