Founded: 2023
Founder / CEO: Elon Musk
Core product: Grok chatbot (Grok model family) and related generative tools
Notable funding: $6B Series C (May 2024); $20B Series E announced (Jan 2026)
Employees (reported): 5262
Artificial intelligence / conversational and generative AI
2023
Technology, Information and Internet
$6 billion
Reported participation from a16z, Sequoia, Valor, BlackRock, Fidelity, Kingdom Holdings, Lightspeed, MGX, Morgan Stanley, OIA, QIA among others.
$20 billion
Company announced Series E with named investors including Valor Equity Partners, Fidelity, Qatar Investment Authority and others.
“Includes participation from major institutional and strategic investors such as Andreessen Horowitz (a16z), Sequoia Capital, Valor Equity Partners, Fidelity, BlackRock, Kingdom Holdings, Morgan Stanley, Qatar Investment Authority, Nvidia and Cisco.”
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About xAI
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 engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the Role
As a Mechanical Engineer (HVAC/Chilled Water) at xAI, you'll join, diving into the design, analysis, and rollout of advanced mechanical systems for our state-of-the-art facilities. Working onsite with cross-disciplinary teams, you’ll leverage your expertise in HVAC, chilled water distribution, and thermal management to tackle complex challenges, ensuring our infrastructure is efficient, reliable, and scalable. Expect to optimize systems, align solutions with industry standards, and drive sustainability to support xAI’s mission of powering human scientific discovery through AI.
Responsibilities
Design & Planning:
System Implementation:
Operations & Maintenance:
Capacity Management:
Project Coordination:
Compliance & Safety:
Basic Qualifications
Additional Requirements
xAI is an equal opportunity employer.
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