Xai jobs

Member of Technical Staff - Multimodal Understanding Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: You will join the multimodal team to push toward superhuman multimodal intelligence. Advance understanding and generation across modalities-image, video, audio, and text-spanning the full stack: data curation/acquisition, tokenizer training, large-scale pre-training, post-training/alignment, infrastructure/scaling, evaluation, tooling/demos, and end-to-end product experiences. Collaborate cross-functionally with pre-training, post-training, reasoning, data, applied, and product teams to deliver frontier capabilities in multimodal reasoning, world modeling, tool use, agentic behaviors, and interactive human-AI collaboration. Contribute to building models that can see, hear, reason about, and interact with the world in real time at unprecedented levels. RESPONSIBILITIES: - Design, build, and optimize large-scale distributed systems for multimodal pre-training, post-training, inference, data processing, and tokenization at web/petabyte scale. - Develop high-throughput pipelines for data acquisition, preprocessing, filtering, generation, decoding, loading, crawling, visualization, and management (images,

Construction Superintendent (Night Shift) – Mechanical Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE You will oversee mechanical contractors and crews building the advanced mechanical infrastructure for xAI's Memphis Data Center - including large-scale HVAC and cooling systems, chilled water plants, condenser water systems, process piping, pumps, CRAC/CRAH units, cooling towers, and fire protection systems. If you thrive on hands-on leadership, complex industrial mechanical construction, and contributing to high-impact AI infrastructure, join us to help deliver one of the most advanced and efficient data centers in the world. This is a full-time, onsite role based in Memphis, Tennessee, with relocation required depending on additional construction locations within the US. RESPONSIBILITIES - Oversee and coordinate mechanical installations during night shift hours, including chilled water piping, condenser systems, HVAC equipment, cooling towers, pumps, heat exchangers, ductwork, CRAC/CRAH units, and fire suppression systems for xAI

Construction Superintendent (Night Shift) – Structural Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE You will oversee structural contractors and crews building the advanced structural infrastructure for xAI's Memphis Data Center - including deep foundations, concrete slabs, pile systems, structural steel framing, equipment pads, seismic bracing, and heavy support structures that form the backbone of the facility. If you thrive on hands-on leadership, complex structural construction, and contributing to high-impact AI infrastructure, join us to help deliver one of the most advanced data centers in the world. This is a full-time, onsite role based in Memphis, Tennessee, with relocation required depending on additional construction locations within the US. RESPONSIBILITIES - Oversee and coordinate structural installations during night shift hours, including foundations, formwork, rebar placement, concrete pouring and finishing, structural steel erection, embeds, equipment supports, and seismic/wind-resistant systems for xAI Data Centers. -

Logistics Specialist (Temporary) Conroe, TX; Jacksonville, FL 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking detail-oriented and proactive Logistics Specialists for 6-month contract positions to support xAI's data center construction, expansion, and operations in Jacksonville, Florida and Conroe, Texas . In this role, you will play a key part in the efficient movement, tracking, and management of high-value materials and equipment (servers, networking gear, power and cooling systems, and other critical infrastructure components). You will ensure timely inbound and outbound logistics while maintaining high standards for accuracy, safety, and inventory control in a fast-paced, high-growth environment. These are hands-on contract positions ideal for candidates with strong operational logistics experience who thrive in dynamic settings and are committed to supporting xAI's aggressive deployment timelines. Contracts may include the possibility of extension based on business needs. RESPONSIBILITIES: - Manage the receiving, inspection, documentation,

Mechanical Commissioning Lead Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking an experienced Mechanical Commissioning Lead to lead the buildout, startup, and handover of mechanical systems for xAI's high-performance data centers. In this senior hands-on leadership role, you will direct commissioning, testing, troubleshooting, and turnover of critical cooling, air handling, and fluid distribution systems that support next-generation AI supercomputing infrastructure. You will lead a team of commissioning technicians while working closely with construction, engineering, operations, EPC contractors, and OEM vendors to deliver safe, reliable, and high-quality mechanical systems. This is a full-time, onsite role with extensive travel to xAI data center construction sites across the United States. RESPONSIBILITIES: - Lead and execute all mechanical commissioning activities for HVAC systems, chillers, cooling towers, CRAC/CRAH units, pumps, heat exchangers, piping systems, hydronic loops, and associated controls in hyperscale data center environments.

Member of Technical Staff Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a highly skilled Member of Technical Staff to join our team in managing and enhancing reliability across a multi-data center environment. This role focuses on automating processes, building and implementing robust observability solutions, and ensuring seamless operations for mission-critical AI infrastructure. The ideal candidate will combine strong coding abilities with hands-on data center experience to build scalable reliability services, optimize system performance, and minimize downtime-including close partnership with facility operations to address physical infrastructure impacts. If you thrive in lightning-fast, distributed environments and are passionate about leveraging automation to drive efficiency, this is an opportunity to make a significant impact on our infrastructure's resilience and scalability. In an era where AI workloads demand near-zero downtime, this position plays a pivotal role in bridging software engineering principles with

Member of Technical Staff - Recommendation Systems Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're seeking exceptional Applied engineers to join a high-priority project that approximately 600 million monthly users use. This is an exciting opportunity for individuals with a engineer or scientist background to apply their skills to recommendation systems, ranking algorithms, search technologies, and many other systems. You'll work at the intersection of advanced AI development and real-world impact, enhancing the ability to connect users with relevant content, accounts, and experiences. RESPONSIBILITIES: - Designing and architecting recommendation algorithms across various product surfaces - Leverage all of xAI's infra and AI stacks to dramatically enhance the user experience - Write data pipelines and training jobs that continuously learn from product data. - Iterate and improve the algorithm by gathering user feedback in real time through experimentation - Ensuring scalability

Construction Superintendent - Structural Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: You will oversee structural contractors and crews building the advanced structural infrastructure for xAI's Memphis Data Center - including deep foundations, concrete slabs, pile systems, structural steel framing, equipment pads, seismic bracing, and heavy support structures that form the backbone of the facility. If you thrive on hands-on leadership, complex structural construction, and contributing to high-impact AI infrastructure, join us to help deliver one of the most advanced data centers in the world. This is a full-time, onsite role based in Memphis, Tennessee, with relocation required depending on additional construction locations within the US. RESPONSIBILITIES: - Oversee and coordinate structural installations including foundations, formwork, rebar placement, concrete pouring and finishing, structural steel erection, embeds, equipment supports, and seismic/wind-resistant systems for xAI Data Centers. - Manage and schedule structural contractors, subcontractors,

AI Tutor - Turkish Remote 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As an AI Tutor specialized in multilingual audio capabilities, you will contribute to xAI's mission by training and refining Grok to excel in voice interactions, speech recognition, and auditory experiences across diverse languages, accents, and cultural contexts. Your work will focus on curating and annotating high-quality audio data to enhance Grok's global accessibility, enabling natural spoken interactions for users worldwide, bridging language barriers through accurate speech processing, and improving the AI's handling of multilingual audio nuances. RESPONSIBILITIES: - Use proprietary software to provide labels, annotations, recordings, and inputs on projects involving multilingual audio clips, voice recordings, speech samples, and auditory elements in various languages. - Support the delivery of high-quality curated audio data that ensures clear, natural spoken output, accurate representation of linguistic and prosodic details (such as intonation, rhythm, and

Member of Technical Staff - Inference Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. About the Role: - We are building the high-performance inference platform that serves Grok to millions of users every day with lightning speed and perfect reliability. - As a Member of Technical Staff - Inference, you will design and optimize large-scale model serving systems end-to-end. You will own everything from distributed infrastructure (global KV cache, continuous batching, load balancing, auto-scaling) to deep low-level optimizations (GPU kernels, quantization, speculative decoding, tail latency). - This is a high-impact role where your work directly determines how fast and reliably users interact with Grok at massive scale Responsibilities: - Architect and implement scalable distributed infrastructure for model serving (load balancing, auto-scaling, batch scheduling, global KV cache). - Optimize latency and throughput of model inference under real production workloads. - Build reliable, high-concurrency serving systems

Sr. Electrical Commissioning Technician Memphis, TN; Southaven, MS 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a highly skilled Sr. Electrical Commissioning Technician to support the buildout and energization of xAI's high-performance data centers. In this critical hands-on role, you will perform commissioning, testing, and troubleshooting of electrical systems that power our next-generation AI supercomputing infrastructure. You will work closely with construction, engineering, and operations teams to ensure safe, reliable, and high-quality electrical systems from initial installation through full system turnover. This is a full-time, onsite role with significant travel to xAI data center sites. RESPONSIBILITIES: - Execute electrical commissioning activities for medium and low voltage power distribution systems, switchgear, transformers, UPS systems, generators, PDUs, and associated controls in data center environments. - Perform point-to-point wiring checks, functional testing, calibration, and system integration verification. - Troubleshoot and resolve electrical issues during

Documentation Control Specialist - Infrastructure (Datacenters & Power Plants) Southaven, MS 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 employees 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 Documentation Control Specialist at xAI, you will be responsible for managing and maintaining the integrity of all technical documentation across our data center construction, engineering, and operations projects. You will implement and oversee document control processes that ensure accuracy, traceability, version control, and compliance with internal standards and industry regulations. Working closely with engineering, construction, project management, and quality teams, you will play a key role in enabling fast, organized, and error-free execution of xAI's ambitious infrastructure buildout. RESPONSIBILITIES: - Manage the full lifecycle of project documents including engineering drawings, specifications, submittals, RFIs, change orders, test reports, quality records, permits, as-built drawings, and operations & maintenance manuals. - Implement and maintain document control processes using Aconex, Procore, Bluebeam, SharePoint, and other EDMS platforms.

Electrical Commissioning Lead Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking an experienced Electrical Commissioning Lead to lead the energization, commissioning, and handover of critical electrical systems for xAI's high-performance data centers. In this senior hands-on leadership role, you will direct commissioning, testing, troubleshooting, and turnover of medium/low voltage power distribution, backup power, and protection systems that support next-generation AI supercomputing infrastructure. You will lead a team of electrical commissioning technicians while working closely with construction, engineering, operations, EPC contractors, and OEM vendors to deliver safe, reliable, and high-quality electrical systems. This is a full-time, onsite role with extensive travel to xAI data center construction sites across the United States. RESPONSIBILITIES: - Lead and execute full electrical commissioning activities for medium and low voltage power distribution, switchgear, transformers, UPS systems, generators, PDUs, busway, ATS, and associated controls in hyperscale

Commercial Counsel Austin, TX; Los Angeles, CA; New York, NY; Palo Alto, CA 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 employees 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 Commercial Counsel at xAI, you'll drive our commercial contracting efforts by negotiating high-value enterprise agreements and commercial contracts - primarily enterprise customer agreements for AI products and services but also for strategic partnerships, hyperscaler agreements, other technology deals, vendor agreements, and anything else in the universe! Working closely with Sales, Business Development, and Product teams, you'll tackle complex agreements, analyze and mitigate risks, ensure compliance, and streamline processes in a fast-paced environment. Expect to dive into strategic negotiations, balance legal and business priorities, and support xAI's mission to advance AI-driven human scientific discovery. This role is full-time on-site and based in Palo Alto, Los Angeles, Austin, or New York. Responsibilities - Expertly draft, review, and negotiate complex technology agreements. - Collaborate

Member of Technical Staff - Compute Infrastructure Palo Alto, CA; Seattle, WA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are building one of the world's largest AI supercomputers from the ground up. As part of the Compute Infrastructure team, you will own both the raw GPU supercomputer and the platform layer that runs on top of it. You will work across the full stack - from low-level GPU kernel optimizations and Linux kernel internals to massive-scale orchestration and virtualization - to make training and inference at xAI as fast, reliable, and scalable as possible. This is a broad, high-impact role that combines hardcore supercompute and compute infrastructure work. Your contributions will directly accelerate Grok's training speed and overall AI progress. RESPONSIBILITIES : - Design, build, and optimize massive GPU clusters for extreme-scale training and inference workloads - Develop and tune low-level CUDA

Project Manager (Power Generation) Southaven, MS 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 employees 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 Project Manager for Power Generation at xAI, you will own the planning, execution, and delivery of large-scale power generation projects that support xAI's rapidly expanding AI infrastructure. You will lead the development of power plants, substations, generation assets, and grid interconnection projects to ensure reliable, high-capacity power supply for our next-generation data centers. Working cross-functionally with engineering, construction, procurement, and energy teams, you will drive projects from concept through commissioning in a fast-paced, high-stakes environment. RESPONSIBILITIES: - Lead full lifecycle project management for power generation initiatives, including gas turbines, reciprocating engines, renewables integration, and substation projects - Develop and maintain detailed project schedules, budgets, and resource plans - Manage project risks, issues, and change orders while ensuring on-time and on-budget delivery - Coordinate with utility companies, regulatory agencies,

Construction Superintendent - Electrical Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: You will oversee electrical contractors and crews building electrical infrastructure for xAI's Memphis Data Center - including underground duct banks, high-voltage and medium-voltage systems, power distribution, grounding, lighting, and process power for mission-critical facilities. If you thrive on hands-on leadership, complex industrial electrical construction, and contributing to high-impact AI infrastructure, join us to help deliver one of the most advanced data centers in the world. This is a full-time, onsite role based in Memphis, Tennessee, with relocation required depending on additional construction locations within the US. RESPONSIBILITIES: - Oversee and coordinate electrical installations including underground duct banks, conduits, cable pulling, terminations, switchgear, transformers, generators, UPS systems, PDUs, and grounding for xAI Data Centers. - Manage and schedule electrical contractors, subcontractors, and on-site crews to deliver project milestones on time and

X Developer Platform – Forward Deployed Engineer, X API New York, NY; Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: X Developer Platform is responsible for the partner ecosystem of B2B and B2C developers that build solutions using X's extensive API set. With more than 500 million active users and billions of posts per week, X offers robust, real-time and historical data, insights and engagement opportunities across a wide range of organizations and industries. Our API gives you the ability to learn from and engage with the conversation on X and we supply developers with the tools to further uncover, build on, and share the value of this conversation with the world. Our mission broadly is to achieve the state of X, “The Everything App”, and be the clear digital townsquare of Earth. We make our ever-expanding universe of social media

Electrical Commissioning Technician Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a highly skilled Electrical Commissioning Technician to support the buildout and energization of xAI's high-performance data centers. In this critical hands-on role, you will perform commissioning, testing, and troubleshooting of electrical systems that power our next-generation AI supercomputing infrastructure. You will work closely with construction, engineering, and operations teams to ensure safe, reliable, and high-quality electrical systems from initial installation through full system turnover. This is a full-time, onsite role with significant travel to xAI data center sites. RESPONSIBILITIES: - Execute electrical commissioning activities for medium and low voltage power distribution systems, switchgear, transformers, UPS systems, generators, PDUs, and associated controls in data center environments. - Perform point-to-point wiring checks, functional testing, calibration, and system integration verification. - Troubleshoot and resolve electrical issues during pre-commissioning, commissioning, and startup

Member of Technical Staff - Voice Model Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: You will join the Grok Voice Model team to help build the world's best voice AI. We deliver smooth, natural, low-latency spoken interactions - expressive, multilingual, and reliable across devices and real-time scenarios. We own the full training pipeline: massive data curation, premium audio processing, frontier speech-language pre-training, and intensive post-training to push quality, speed, and stability to the limit. Our goal: make talking to AI feel like conversing with the most charming, kind, and knowledgeable person imaginable. We're seeking exceptionally smart, execution-oriented engineers to help us get there. RESPONSIBILITIES: - Design and execute large-scale speech data curation and processing pipelines, including collection of diverse real-world audio, synthetic data generation, and automated annotation workflows to enable high-quality model training and evaluation. - Work on pre-training and

Member of Technical Staff - Post-Training and RL Palo Alto, CA 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: - You will work on the most critical post-training and reinforcement learning challenges at any given time - including reward modeling, preference optimization (RLHF/DPO), and RL for improving reasoning, truthfulness, and real-world capabilities. - You will get clarity on your first project before an offer. BASIC QUALIFICATIONS: - You believe truth-seeking AI is the most important and challenging problem. - You are obsessed about building incredibly useful models through post-training and RL techniques. - You are a power user of AI models and eager to push the boundaries of what's possible with reinforcement learning and alignment methods. - If you previously worked on post-training, RLHF, or trained models used by millions of people it's a big plus, but relevant experience is not required. - You

Construction Superintendent – Mechanical Memphis, TN 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: You will oversee mechanical contractors and crews building the advanced mechanical infrastructure for xAI's Data Centers - including large-scale HVAC and cooling systems, chilled water plants, condenser water systems, process piping, pumps, CRAC/CRAH units, cooling towers, and fire protection systems. If you thrive on hands-on leadership, complex industrial mechanical construction, and contributing to high-impact AI infrastructure, join us to help deliver one of the most advanced and efficient data centers in the world. This is a full-time, onsite role based in Memphis, Tennessee, with relocation required depending on additional construction locations within the US. RESPONSIBILITIES: - Oversee and coordinate mechanical installations including chilled water piping, condenser systems, HVAC equipment, cooling towers, pumps, heat exchangers, ductwork, CRAC/CRAH units, and fire suppression systems for xAI Data Centers. - Manage and schedule mechanical

Chemical Engineering Tutor Remote 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. About the Role xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. As an AI Tutor - Chemical Engineering specialist, you will be instrumental in enhancing the capabilities of our cutting-edge technologies by providing high-quality input and labels using specialized software. Your role involves collaborating closely with our technical team to support the training of new AI tasks, ensuring the implementation of innovative initiatives. You'll contribute to refining annotation tools and selecting complex problems where your expertise can drive significant improvements in model performance. This position demands a dynamic approach to learning and adapting in a fast-paced environment, where your ability

AI Tutor - Danish Remote 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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As an AI Tutor specialized in multilingual audio capabilities, you will contribute to xAI's mission by training and refining Grok to excel in voice interactions, speech recognition, and auditory experiences across diverse languages, accents, and cultural contexts. Your work will focus on curating and annotating high-quality audio data to enhance Grok's global accessibility, enabling natural spoken interactions for users worldwide, bridging language barriers through accurate speech processing, and improving the AI's handling of multilingual audio nuances. RESPONSIBILITIES: - Use proprietary software to provide labels, annotations, recordings, and inputs on projects involving multilingual audio clips, voice recordings, speech samples, and auditory elements in various languages. - Support the delivery of high-quality curated audio data that ensures clear, natural spoken output, accurate representation of linguistic and prosodic details (such as intonation, rhythm, and