Hiring Sea

xAI

Posted Oct 5, 2026

Open position

Fiber Technician - Memphis

Southaven, MS; Memphis, TNOn-site3+ yrs
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About the role

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

FIBER TECHNICIAN

As a Fiber Technician at SpaceXSI's data center, you’ll dive into the world of fiber optic systems, applying your core skills and eagerness to grow in a high-growth tech environment. Working onsite with passionate teams, you’ll tackle hands-on challenges to install and maintain critical network infrastructure, ensuring seamless connectivity. Expect to collaborate closely, refine your expertise, and keep our systems running smoothly to support SpaceXSI's mission of accelerating human scientific discovery through AI.

RESPONSIBILITIES:

Under the guidance of the Foreman Supervisor, Project Manager, and Superintendent manage all phases of data center installation projects

Ensure a safe and productive work environment

Develop sensor indicators and conduct timely inspections, so that a faulty fiber optic system does not destabilize its performance

Troubleshoot, resolve, repair and install fiber optics systems, ensuring that they work properly

Examine and replace faulty and/or old fiber optic cables

Organize scheduled maintenance routines

Take care of fiber splicing and rectify fiber optic problem areas

Keep track of the signal strength of different devices

Formulate and maintain system records and system designs

BASIC QUALIFICATIONS:

3+ years of direct data center experience installing and routing optical fiber in large scale Tier 3 or 4 facilities as a commercial fiber optic technician

High school diploma or equivalency certificate

PREFERRED SKILLS AND EXPERIENCE:

Certification in fiber optics and/or cable installation

Extensive experience in fiber splicing

Technical knowledge of communication networks

Knowledgeable of computers and associated electronic systems

Knowledgeable of different fiber types

Experience installing, certifying, and troubleshooting fiber in hyperscale data center environments

Experience installing structured cabling

Highly proficient using a light meter, OTDR (Optical Time Domain Reflectometer), OPMs (optical power meter), fiber certifier, loopback, and optical probes

Able to understand different types of switches and port identifications

Able to properly clean fiber and validate cleanliness

ADDITIONAL REQUIREMENTS:

Position is subject to pre-employment drug and random drug and alcohol testing

Position is subject to pre-employment and annual post employment background checks

Work is often performed in tight quarters and physical dexterity is necessary to perform job functions

Ability to lift up to 35 lbs unassisted

Comfortable working at elevated heights (up to 50 feet) with appropriate safety gear

Comfortable working in an environment requiring exposure to noise

Available to work evenings and weekends, as the schedule varies depending on site operational needs; flexibility is required

SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

Skills

Testing