Member of Technical Staff (Model Training)
xAI
Requirements All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates You believe truth-seeking AI is the most important and challenging problem You are obsessed about building incredibly useful models You are a power user of AI models If you previously trained models used by millions of people it’s a big plus, but modeling experience is not required You take pride in your work and thrive in meritocratic environments What the job involves 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. You will work on the most critical modeling challenges at any given time You will get clarity on your first project before an offer #J-18808-Ljbffr xAI
- Member of Technical Staff, Frontier model Development Mirendil Mirendil is a tech-first company focused on solving core bottlenecks that unlock step-... .... We are building a frontier AI research company and training our own models end-to-end. Our work spans areas such as...Training
- Member of Technical Staff, Model Efficiency Who are we? Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation,...TrainingFull timeWork at officeRemote workFlexible hours
- ...Introducing Moonlake, AI for creating world simulations. Modeling & architecture Build and iterate on 2D/3D/image/video/audio... ...control signals, multi-modal encoders, guidance strategies. Training & optimization Large-scale diffusion training Improve...Training
$180k - $260k
Perplexity is looking for a Model Behavior Architect to help shape our answer engine. This role collaborates with our research, design... .... Candidates should have high-level understanding of LLMs, training, RL. We’ve seen excellent candidates who background in philosophy...Training- We're partnering with a frontier AI research company on a search for a Member of Technical Staff focused on AI Safet y. The company is building next-generation open-weight foundation models with a mission to make advanced AI broadly accessible. Their team includes researchers...Suggested
- Model Engineer San Francisco | Onsite | Full-time Build the AI infrastructure... ...world. As a founding member of our engineering team, you... .... What you might work on Train end‑to‑end models for fault prediction... ...stacks. Want to build the technical DNA of a new applied research...Full time
- ...Job Description What we are looking for? Seeking a Member of Technical Staff - Backend with 5+ years of experience. We are looking for... ...core systems for deploying machine learning capabilities in training and production Drive technology and architectural choices...TrainingWork experience placement
$150k - $300k
...superintelligence stack - from frontier agentic models to the infrastructure that lets anyone create, train, and deploy them. We aggregate... ...runs the jobs. Core Technical Responsibilities Hosted... ...development and encourage team members to contribute to the broader AI...TrainingWork at officeLocal areaRemote workVisa sponsorshipRelocation packageFlexible hours- ...Member Of Technical Staff We're looking for a member of technical staff to build and deploy production... .... In this role, you'll work across modeling, systems, and product to take ideas... ...Design scalable pipelines for training, inference, and data processing Improve...Training
$180k
...Member Of Technical Staff - Pre-Training Palo Alto, CA About XAI XAI's mission is to create AI systems that can accurately understand the universe... ...at scale, as well as a variety of smaller specialized models. Rapidly implementing the latest state-of-the-art...TrainingTemporary work$200k
...research and code generation to improve models and solve alignment more reliably than... ...approach combines frontier-scale pre-training, domain-specific RL, ultra-long... ...company's most important decisions. As a Member of Technical Staff on Evals, you will build both the platform...TrainingVisa sponsorshipRelocation package- ...Member Of Technical Staff - Image / Video Generation Freiburg (Germany) About Black Forest Labs... ...video. We're creating the generative models that power how people make images and... ...creativity. Why This Role You'll train large-scale diffusion models for image...TrainingRemote workWorldwide2 days per week
$180k
...Member Of Technical Staff - RL Infrastructure Palo Alto, CA About XAI XAI's mission is to create... ...: # We have a new agentic model capability that we'd like to improve.... ...processing to prepare it for large-scale RL training. How do we standardize our...TrainingTemporary work$256k - $276k
...and our vision at Postman. The Opportunity As a Member of Technical Staff on AI Infrastructure, you will build and maintain the foundational... ...systems and distributed infrastructure that power AI model post training, inference, and data pipelines. You will collaborate...TrainingWork at officeFlexible hours3 days per week$150k - $300k
...superintelligence stack - from frontier agentic models to the infra that enables anyone to create, train, and deploy them. We aggregate... ...our RL training stack. Core Technical Responsibilities LLM Serving... ...development and encourage team members to contribute to the broader AI...TrainingWork at officeRemote workVisa sponsorshipRelocation packageFlexible hoursShift work- ...Member Of Technical Staff @ Lotus AI Lotus AI is a groundbreaking primary care app that integrates your medical records, AI, and real doctors... .... This is a generalist role. You may work across model training and fine-tuning, model tooling, data pipelines, retrieval...Training
$150k - $300k
...superintelligence stack - from frontier agentic models to the infra that enables anyone to create, train, and deploy them. We aggregate... ..., and reliable at scale. Core Technical Responsibilities Infrastructure... ...development and encourage team members to contribute to the broader AI...TrainingWork at officeRemote workVisa sponsorshipRelocation packageFlexible hours$200k - $350k
...Member Of Technical Staff, Training Infra Bay Area Ai Systems Inception creates the world's fastest, most efficient AI models. Our Mercury model is the world's fastest reasoning LLM and first commercially available diffusion LLM, delivering 5x greater speed and efficiency...TrainingImmediate startFlexible hours- Job Description As a Member of Technical Staff (Research) at Trajectory, you will design and build the post‑training stack that lets our customers’ models continually learn from real production workflows. You will own end‑to‑end experiments across data, training, and evaluation...Training
- ...debug, and trust continually improving models. This includes trajectory... ...Robotics Reasoning), Arjun (RL post-training at Apple), and Ronak (Windsurf/DeepMind... ...We’re building our team of founding Members of Technical Staff to design the frontier of continually...Training
- ...building the foundational infrastructure to train specialized AI agents. We turn real-... ...signal needed to make capable models. Today, only a handful of players can... ...feel like one seamless system. As a Member of Technical Staff, Infrastructure / DevOps, you will own...Training
- Job Description As a Member of Technical Staff (Research) at Trajectory, you will design and build the post‑training stack that lets our customers’ models continually learn from real production workflows. You will own end‑to‑end experiments across data, training, and evaluation...Training
- ...single day, and everyone talks to users. Member of Technical Staff is the title we use for engineers who... ..., and routing across frontier models like Opus 4.7 and GPT 5.4 High Fast You... ...candidates may also have experience with LLM training, fine-tuning, evaluation, inference,...Training
$300k
Member of Technical Staff - Mechanistic Interpretability About V max V max is an applied research lab developing AI... ...mechanistic interpretability to extract useful training signals from the internal states of language models. Turn representations, features, circuits,...TrainingWork at officeLocal area$150k - $300k
...autonomously. We work with the world’s leading model labs to push the frontier of agent... ...team. About the role We’re hiring a Member of Technical Staff - Research to help advance the... ...in long-horizon evaluation, agent post-training, and environment design, with a focus...TrainingFull timeWork at office$300k
Member of Technical Staff - RL Infrastructure About V max V max is an applied research lab developing... ...for RL at scale: distributed rollouts, training orchestration, inference, evals, data... ...with GPU clusters, distributed training, model serving, or high-throughput inference...TrainingWork at officeLocal area$300k
Member of Technical Staff - RL Algorithms About V max V max is an applied research lab developing AI capable... ...become the de-facto method of post-training LLMs. We are limited by the sample... ...algorithms for post-training language models. Adapt ideas from pre-LLM reinforcement...TrainingWork at officeLocal areaShift work- Member of Technical Staff, Post-Training Location: SF Bay Area or Tokyo, Japan Type: Full-time About Radical Numerics Radical Numerics is an AI lab bringing the rigor of distributed systems, model architecture, and numerics research to the challenges of biology. We are...TrainingFull time
- Member of Technical Staff, Infrastructure and Training Systems Location: SF Bay Area or Tokyo, Japan Type: Full-time About Radical Numerics Radical Numerics is... ...AI lab bringing the rigor of distributed systems, model architecture, and numerics research to the challenges...TrainingFull time
$200k
Member of Technical Staff, RL Research & Environments Posted Feb 28, 2026 | Full-time | Advanced (5-10... ...research and code generation to improve models and solve alignment more reliably than... ...approach combines frontier-scale pre-training, domain-specific RL, ultra-long...TrainingFull timeRelocationVisa sponsorship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Member of Technical Staff (Model Training). Be the first to apply!
- remote support technician San Francisco, CA
- personal computer support technician San Francisco, CA
- customer support analyst San Francisco, CA
- systems support technician San Francisco, CA
- help desk administrator San Francisco, CA
- decision support analyst San Francisco, CA
- technical support assistant San Francisco, CA
- technical analyst San Francisco, CA
- technical assistant San Francisco, CA
- IT support technician San Francisco, CA


