Member of Technical Staff - RL Infrastructure [data, evals, agent]
$180kxAI
Member of Technical Staff - RL Infrastructure 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 is seeking experienced software engineers to create robust data pipelines, comprehensive evaluations for benchmarking LLMs, and automation frameworks to increase the productivity of researchers and engineers. Typical problems you will deal with include the following: We have a new agentic model capability that we’d like to improve. How do we design an efficient and robust environment for the agent to perform actions in? Evaluations and observability are a core part of knowing what we need to improve in our models. What new features can we add into our evaluation framework to ease the workflow of researchers & engineers and increase observability? A new open-source evaluation dataset has been released and researchers would like to track our models performance on it. How should we onboard it into our internal evaluation framework? Datasets have been collected that require complex pre-processing to prepare it for large-scale RL training. How do we standardize our preprocessing pipelines to minimize dataset onboarding time? A researcher on the team has an idea for how to augment a dataset to produce additional training data. How should we go about creating the data augmentation pipeline? Responsibilities Creating and maintaining frameworks for agent, data, and model evaluation tasks. Building environments for AI agents. Tools for automating common workflows. Improving alerts, metrics and error handling on large scale RL jobs. Designing operation procedures and coding standards to streamline the transition from small scale experimentation to large scale RL training. Writing unit tests, CI/CD frameworks to support rapid development cycles. Basic qualifications Experience building and maintaining frameworks that are used by many engineers. Experience in building high-performance sandboxes, virtual machines, and simulations. Experience building full-stack apps for automating workflows and data visualization. Experience in rapid iteration of research to production cycles. Experience in test automation, CI/CD. Compensation and benefits
$180,000 - $440,000 USD
Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. #J-18808-Ljbffr xAI$300k
Member of Technical Staff - RL Infrastructure About V max V max is an applied research lab developing AI capable of open-ended learning. We are building... ...distributed rollouts, training orchestration, inference, evals, data pipelines, observability, and reliability. You will...DataWork at officeLocal area$200k
...training, domain-specific RL, ultra-long context,... ...About the Role Evals builds the internal... ...training, post-training, data, inference, and... ...important decisions. As a Member of Technical Staff on Evals, you will... .... You'll develop infrastructure for large-scale evaluations...DataVisa sponsorshipRelocation package$300k
Member of Technical Staff - RL Algorithms About V max V max is an applied... ...on environments, evals, interpretability, reward modeling, and infrastructure to turn algorithmic... ...experiment tracking, data pipelines, and debugging... ...language models, or agents. Experience with...DataWork at officeLocal areaShift work- ...develop the simulation infrastructure to build worlds (e.g.... ..., logic, and agents that can perceive and... ...We're looking for a Member of Technical Staff - Embodied Agents to... ...Policy optimization RL and imitation learning... ...worlds Synthetic data pipelines Agent evaluation...Data
$200k
Member of Technical Staff, RL Research & Environments Posted Feb 28, 2026 | Full-time | Advanced (5-10... ...team, you will design and operate the data, evaluation, and environment systems... ...‑facing behavior. You will own the infrastructure and experimental workflows that...DataFull timeRelocationVisa sponsorship- ...puts the welfare of team members at the forefront."... ...Assistant Project Manager - Data Center Construction... ...Enterprise Systems & Agent Integrations... ...required) Manager, Water Infrastructure Program - Data Centers... ...TX Principal Member of Technical Staff, Agent Workflow Systems...DataInternshipRemote workNight shift
- Member of Technical Staff - Agents at Prime Intellect - San Francisco Building the Future of Open Source... ...together with you. We are building the infrastructure for decentralized AI development at... ...: Implement robust protocols for data exchange and coordination across...DataRemote workFlexible hours
$160k - $250k
.... What you'll own & build As a Member of Technical Staff within the Research Tribe, you’ll... ...Blok. You won’t just build agents - you’ll design the infrastructure that governs how they operate: how... ...directed behavior. You’ll design data-grounded personas, enable “computer...DataWork at officeWeekend work3 days per week$200k - $350k
...term success for both clients and candidates. Member of Technical Staff - Pre-Training Infrastructure Location: San Francisco, CA Company Stage of... ...node training workflows. Develop high-performance data pipelines capable of handling multimodal datasets, including...DataWork at officeVisa sponsorship- ...observe their code. We are responsible for designing, building, and scaling core infrastructure that powers a high-volume data platform for AI applications. We are looking for team members who love building enabling systems that empower our engineers and power our rapidly...DataWork at office
$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... ...that power AI model post training, inference, and data pipelines. You will collaborate with engineering and research...DataWork at officeFlexible hours3 days per week$150k - $300k
...Superintelligence Infrastructure Prime... ...with the full RL post-training stack... ..., verifiable evals, and our async... ...Core Technical Responsibilities... ...control-plane agents that watch pods... ...fundamentals (data/tensor/pipeline... ...encourage team members to contribute to...DataWork at officeLocal areaRemote workVisa sponsorshipRelocation packageFlexible hours- ...cross-portfolio data lake on open table... ...that makes the data agent-readable. An... ...About the Role Members of Technical Staff (MTS) are the senior... ...Multi‑tenant data infrastructure across very different... ...and evals. The harness that... ...Background in offline RL, contextual bandits...Data
$150k - $300k
...it with the full RL post‑training stack... ...sandboxes, verifiable evals, and our async RL... ...: Building the infrastructure to serve LLMs... ...training stack. Core Technical Responsibilities LLM... ...: Rust, C++. Data & Observability: Kafka... ...encourage team members to contribute to the...DataWork at officeRemote workVisa sponsorshipRelocation packageFlexible hoursShift work- ...building the foundational infrastructure to train specialized AI agents. We turn real-world data streams into high-... ...telemetry. As a Member of Technical Staff, Software Engineer,... ...a usable full-stack RL pipeline. Role Description... ...move faster across evals, rollouts, verifiers...Data
- ...About Us Sieve is the only AI research lab exclusively focused on video data. We combine exabyte-scale video infrastructure, novel video understanding techniques, and dozens of data sources to develop datasets that push the frontier of video modeling. Video makes...Data
$180k
...Member Of Technical Staff - Inference Palo Alto, CA About Xai Xai's mission... ...from distributed infrastructure (global KV cache, continuous... ...scaling test-time compute, RL rollout, and model-hardware... ...opportunity employer. For details on data processing, view our...DataTemporary work$160k - $270k
...Mandolin is laying the clinical and financial infrastructure to get groundbreaking treatments to patients faster, powered by AI agents. Mandolin partners closely with the... ...productivity while processing sensitive healthcare data. We're looking for an Infrastructure...DataFull timeWork at officeLocal area- ...Member Of Technical Staff @ Lotus AI Lotus AI is a groundbreaking... ...and operate the AI + data systems behind AI-driven... ...pipelines, retrieval/evals, and product... ...What You'll Do AI Agents and Product Intelligence... ...migrations, and data infrastructure simplification Familiarity...Data
$10k
...Vapi is the platform for deploying voice agents that know your business and can listen,... ...We're building cell-based, multi-region infrastructure to drive 99.99% call completion, and this... ...-cluster Kubernetes on EKS, a stateful data plane (Postgres, Redis, Kafka, Temporal,...DataFlexible hours$180k - $350k
...Open Superintelligence Infrastructure Prime Intellect is... ...pair it with the full RL post-training stack: environments... ...sandboxes, verifiable evals, and our async RL... ...models, training data, and the compute that powers... ...our defenses. Core Technical Responsibilities Preventive...DataWork at officeRemote workVisa sponsorshipRelocation packageFlexible hours- ...Our first product is a set of APIs for AIs to do more with web data. We are a fully in-person team based in both San Francisco... ...an unfair amount. Job: You will build, operate, and scale our infrastructure, including our infrastructure around large language models, and...Data
- ...surfaces , and integration infrastructure that help customers... ...top of our leading RL infrastructure. You’... ...-powered products or agent systems - you... ...SDKs Experience with data pipelines, telemetry... ...our team of founding Members of Technical Staff to design the frontier...Data
$150k - $350k
About Us Sieve is the only AI research lab exclusively focused on video data. We combine exabyte-scale video infrastructure, novel video understanding techniques, and dozens of data sources to develop datasets that push the frontier of video modeling. Video makes up 80%...Data- Job Description As a Member of Technical Staff (Research) at Trajectory... ...experiments across data, training, and... ...serving custom LLMs and agents, and designing novel... ...Experience building RL environments or evaluation... ...source ML research or infrastructure Demonstrated...Data
- ...models is just the capability to retrieve and process all our data? Our founding team pioneered Latent Diffusion and Stable Diffusion... ...and the largest training runs possible. It's building infrastructure at a scale where billion-image datasets are normal and where video...DataWorldwide
- ...Mandolin is laying the clinical and financial infrastructure to get groundbreaking treatments to patients faster, powered by AI agents. Mandolin partners closely with the largest... ...while processing sensitive healthcare data. We’re looking for a DevSecOps leader who can...DataLocal area
- ...candidates typically come from staff or principal-level roles and... ...recognized for establishing technical direction, leading large-scale... ...size space and budgets. This infrastructure already powers 16,000... ...connects people, spaces, and data end‑to‑end. Join our lean, product...DataWork at officeLocal areaMonday to Thursday
- ...semantic search, RAG, and agents. We believe that our... ...all the compute, data, and talent available... ...remote-friendly! As a Member of Technical Staff, you will: Design... ...both on the SFT and the RL regime. Research,... ...supercompute and data infrastructure. Learn from and work...DataFull timeWork at officeRemote workFlexible hours
$150k - $300k
...Intellect builds the infrastructure that frontier AI... ...frontier scale, from RL and SFT to tool use, agent workflows, and deployment... ...into clear technical requirements that guide... ...and deploy agents, evals, and harnesses for real... ...evaluations and/or synthetic data generation....DataRemote workVisa sponsorshipRelocation packageFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Member of Technical Staff - RL Infrastructure [data, evals, agent]. 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

