Water Treatment Engineer (AI)

TL;DR

Water Treatment Engineer (AI Infrastructure): Designing and optimizing industrial water treatment systems for high-density AI supercomputing facilities with an accent on cooling tower chemistry and liquid cooling reliability. Focus on preventing corrosion and scaling in supercluster infrastructure and ensuring minimal water usage effectiveness (WUE).

Location: Full-time, onsite in the Memphis region, TN

Company

xAI is a highly motivated team focused on creating AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.

What you will do

• Design and optimize industrial water treatment programs for open and closed cooling systems, including filtration and reverse osmosis.
• Develop water quality specifications, monitoring protocols, and automated control systems to maximize efficiency.
• Perform water chemistry analysis, corrosion monitoring, and biological control to prevent system downtime.
• Collaborate with thermal and mechanical teams to integrate water treatment with liquid cooling and heat exchangers.
• Manage vendor relationships for chemical supply and oversee bulk chemical storage and dosing systems.
• Ensure compliance with environmental regulations, discharge permits, and water sustainability goals.

Requirements

• Bachelor’s degree in Chemical, Environmental, Mechanical Engineering, or a related field.
• 1+ years of experience in industrial water treatment, preferably for data centers or power plants.
• Must be able to work fully onsite in the Memphis region.
• Willingness to work extended hours during critical project phases and system upsets.
• Strong communication skills for collaborating with internal teams and regulatory agencies.

Nice to have

• Direct experience with hyperscale data center cooling systems or power generation facilities.
• Knowledge of ASHRAE and EPA standards and WUE metrics.
• Experience with SCADA integration and real-time monitoring of water treatment controls.
• Background in Memphis/Tennessee or Texas water regulations and river-sourced water treatment.

Culture & Benefits

• Flat organizational structure where leadership is earned through initiative and excellence.
• High-intensity environment focused on engineering excellence and curiosity.
• Direct impact on the company's core mission within a small, highly motivated team.
• Opportunity to work on massive-scale infrastructure supporting extreme power densities.