xAI

SpaceXAI is seeking a Lead, Inventory Specialist to oversee warehouse and inventory operations supporting our rapidly expanding data centers. This role involves leading the receiving, storage, kitting, issuance, and tracking of high-value equipment and materials. You will mentor team members, manage daily priorities, drive inventory accuracy, and ensure material availability for critical operations. The ideal candidate is hands-on, possesses a high sense of urgency, and is committed to continuous process improvement in a fast-paced, high-growth environment.

$25k - $50k

SpaceXAI is seeking a Human Data Manager to ensure engineering teams receive high-quality tasks and evaluations by crafting and executing high-value Human Data projects. This role sits at the intersection of model teams and data operations, partnering with engineering to design projects that capture meaningful signals and drive the measurement of data impact. It's a hands-on position for individuals with a deep understanding of training and evaluation who want to influence data strategy.

$100k - $186k

SpaceXAI is seeking a Human Data Engineer to ensure engineering teams receive high-quality data for tasks and evaluations. This role sits at the intersection of engineering and data operations, requiring partnership with model teams, designing projects to capture meaningful signals, and driving data yield and evaluation improvements. It's a hands-on technical position for engineers who understand training and evaluation deeply and wish to influence data strategy.

$144k - $270k

SpaceXAI is seeking a proactive Business Operations Analyst to join its Human Data team. This role is crucial for optimizing the efficiency of model training and evaluation by focusing on metrics, systems, and operational insights. You will analyze workforce performance, capacity, allocation, and process health to provide data-driven recommendations that enhance throughput, quality, cost, and reliability. The ideal candidate will partner with operations leaders and engineering stakeholders to identify challenges, build operating systems, and improve planning decisions.

$122k - $180k

The SpaceXAI Hospitality team serves employees, customers, government partners, potential clients, and visitors with snacks, daily meals, and full-service events. The Barista is a team-oriented role for individuals passionate about coffee, espresso, and tea preparation and service. This position supports SpaceXAI's mission by providing excellent customer service, quality beverage options, a welcoming atmosphere, and accurate order fulfillment to boost morale and productivity.

The Enterprise Agents Engineering Team at SpaceXAI focuses on solving complex problems in applied AI, specifically integrating with diverse systems, orchestrating intricate workflows, and leveraging AI to revolutionize business operations. This role involves building full-stack solutions with end-to-end product ownership, from initial concept to deployment. You will collaborate closely with the team to integrate advanced AI technologies into dependable, user-focused solutions, employing an iterative development process. Working hand-in-hand with customers, you will gather feedback, refine features, and evolve products to meet real-world demands.

SpaceXAI is building AI systems to understand the universe and aid humanity. The team is small, highly motivated, and focused on engineering excellence, operating with a flat structure where all employees are hands-on and contribute directly to the mission. This role requires strong communication skills and the ability to share knowledge concisely. The ideal candidate will have a good understanding of building highly scalable and reliable production infrastructure, with familiarity in compiled languages like Rust, C++, or Go being highly beneficial.

£107k - £262k

We are seeking a skilled and innovative Application Security Engineer to join our technology-driven company. In this role, you will be responsible for ensuring the security and integrity of our cloud-native applications and systems throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and emerging AI technologies. Our team is small, highly motivated, and focused on engineering excellence, operating with a flat organizational structure where all employees are expected to be hands-on and contribute directly to the company’s mission.

$100k - $258k

SpaceXAI is seeking an Analyst for its Law Enforcement Response Team (LERT) within the Safety Team. This role focuses on safeguarding user voice and balancing on- and off-platform safety risks through policy enforcement. The analyst will manage global information requests, ensuring efficient and accurate processing while protecting user privacy and freedom of expression. This is a detail-oriented, collaborative, and adaptable role for someone who thrives in a dynamic environment and is passionate about delivering high-quality work.

The Safety Team at SpaceXAI works to safeguard the user's voice while balancing on- and off-platform safety risks through policy enforcement that promotes trust in SpaceXAI. As a member of the Law Enforcement Response Team within SpaceXAI Safety, you will focus on managing global information requests, ensuring efficient and accurate processing while supporting the team's mission to protect user privacy and freedom of expression. This role requires a detail-oriented, collaborative, and adaptable individual who thrives in a dynamic environment and is passionate about delivering high-quality work.

As a backend engineer, you will design and build scalable, high-performance systems that power subscriptions infrastructure, new monetized products, user growth, and creator monetization. You will work on mission-critical infrastructure that processes millions of transactions, optimizes user acquisition and retention, and enables creators to earn a living through their content. This is a unique opportunity to make a large-scale revenue impact while creating products that users and businesses love.

$150k - $400k

SpaceXAI is building AI systems to understand the universe and aid humanity's pursuit of knowledge. The X Search team is responsible for the core search engine that powers discovery on X, owning the full end-to-end search stack from real-time retrieval and indexing to ranking and the end-user search experience. The goal is to create the most relevant, fast, and intelligent search experience on the internet by combining state-of-the-art information retrieval systems with Grok's reasoning capabilities.

$180k - $440k

SpaceXAI is building a high-performance inference platform that serves Grok to millions of users daily with exceptional speed and reliability. As a Member of Technical Staff - Inference, you will be responsible for designing and optimizing large-scale model serving systems from end-to-end. This includes distributed infrastructure components like global KV cache, continuous batching, and load balancing, as well as deep low-level optimizations such as GPU kernels, quantization, and speculative decoding. This is a high-impact role where your contributions will directly influence the speed and reliability of user interactions with Grok at a massive scale.

$180k - $440k

SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The Grok Voice Model team is building the world's best voice AI, delivering smooth, natural, low-latency spoken interactions that are expressive, multilingual, and reliable across devices and real-time scenarios. The team owns the full training pipeline, from massive data curation and premium audio processing to frontier speech-language pre-training and intensive post-training to push quality, speed, and stability to the limit. The goal is to make talking to AI feel like conversing with a charming, kind, and knowledgeable person, and exceptionally smart, execution-oriented engineers are sought to achieve this.

$150k - $450k

SpaceXAI is seeking an experienced Governance, Risk, and Compliance (GRC) Engineer to scale our security and AI governance compliance posture. You will set organizational standards, design and implement controls, and automate compliance processes to ensure safe and rapid development. The ideal candidate will possess deep knowledge of modern security and AI frameworks, translate control requirements into technical implementations, and integrate compliance into architecture and CI/CD pipelines. You will collaborate with engineering, legal, product, and leadership teams to maintain audit readiness for AI systems across various environments.

$53k - $800k