Supervisor, Fiber

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

As a Fiber Supervisor at xAI’s Memphis data center, you will lead and oversee all fiber optic infrastructure activities, driving the successful execution of large-scale installations, maintenance, and optimization projects. You’ll combine hands-on technical expertise with strong leadership to manage teams of technicians, ensure the highest standards of safety and quality, and maintain the ultra-reliable high-speed connectivity that powers xAI’s AI training and operations. Working closely with Foremen, Project Managers, and Superintendents, you’ll play a critical role in building and sustaining the robust network backbone essential to accelerating human scientific discovery through AI.

• →Lead, mentor, and supervise a team of Lead Fiber Technicians and Fiber Technicians in all datacenter fiber optic installation, maintenance, and repair activities
• →Oversee all phases of fiber optic projects from planning and execution to testing, handover, and documentation
• →Ensure a safe, productive, high-quality, and compliant work environment for the entire fiber team
• →Develop and implement sensor indicators, inspection protocols, and preventive maintenance routines
• →Direct complex troubleshooting, repair, splicing, and installation of fiber optics systems
• →Manage the inspection, replacement, and optimization of fiber optic cables and infrastructure
• →Monitor signal strength, system performance, and resolve fiber optic problem areas proactively
• →Maintain accurate system records, documentation, as-built drawings, and design updates
• →Collaborate with Project Managers, Superintendents, and other trades to coordinate cross-functional work
• →Provide technical guidance, training, performance feedback, and quality assurance across all fiber-related work

• 2+ years of direct data center experience installing, certifying, and maintaining optical fiber in large-scale Tier 3 or 4 facilities
• 1+ years of experience leading or supervising fiber optic teams in a commercial/data center environment
• High school diploma or equivalency certificate

• Certification in fiber optics and/or cable installation (FOA, BICSI, or equivalent)
• Advanced expertise in fiber splicing, OTDR testing, and certification procedures
• Strong leadership and people-management experience in fast-paced construction or data center environments
• Deep technical knowledge of hyperscale data center networking, structured cabling, and fiber infrastructure
• Experience in AI/HPC data centers or other mission-critical facilities
• Proficiency with computers, fiber management software, and electronic testing systems
• Excellent problem-solving, communication, and organizational skills

• Ability to work in tight quarters with necessary physical dexterity
• Ability to lift up to 35lbs, unassisted
• Comfortable working at elevated heights (up to 50 feet) with appropriate safety gear
• Comfortable working in environments with high noise levels
• Available to work evenings and weekends as needed; schedule flexibility is required