Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Staff AI Engineer — RL & Post-Training Alignment

$180k

xAI

xAI, based in Palo Alto, California, is looking for individuals passionate about truth-seeking AI and reinforcement learning. You will tackle essential post-training challenges, working on innovative models. The salary range is significant, from $180,000 to $600,000 USD, and benefits include equity, comprehensive medical, dental, and vision coverage, along with a 401(k) plan and other perks. Join a company that values initiative and excellence. #J-18808-Ljbffr xAI

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Staff AI Engineer — RL & Post-Training Alignment in Palo Alto, CA vacancy
  • Gravity Engineering Services Pvt Ltd. is seeking a candidate to tackle critical challenges in post-training and reinforcement learning. The successful candidate will focus on reward modeling and optimizing AI capabilities, contributing to significant projects. Applicants... 
    Training

    Gravity Engineering Services Pvt Ltd.

    Palo Alto, CA
    3 days ago
  • $180k

    Pantera Capital seeks passionate individuals for AI roles focused on post-training and reinforcement learning challenges. With a salary range of $180,000 to $600,000 USD, the position includes comprehensive benefits such as equity, medical coverage, and a 401(k) retirement... 
    Training

    Pantera Capital

    Palo Alto, CA
    19 hours ago
  •  ...Description About JazzX AI: Vision:...  ...seeking an experienced AI Engineer with deep expertise...  ...Learning (RL) to join our team as a Senior Staff Architect. In this role...  ...includes building scalable training architectures,...  ...and platform teams to align RL solutions with strategic... 
    Training
    Worldwide

    JazzX AI

    Los Altos, CA
    10 days ago
  • xAI is seeking an engineer to join the RL infrastructure team to help develop our RL training framework. The RL engineer will design and implement systems backing all RL workloads, from small scale ablations to production training runs. You will profile, debug and optimize... 
    Training

    Pantera Capital

    Palo Alto, CA
    2 days ago
  • xAI is seeking an engineer to advance low precision RL training and inference. Design and optimize the inference stack across RL workloads, from small ablations to production runs, and work with the modelling team to implement novel RL techniques. You will tackle performance... 
    Training

    Pantera Capital

    Palo Alto, CA
    2 days ago
  • xAI in Palo Alto, CA is looking for a Member of Technical Staff to innovate in AI techniques and improve large language model training. In this role, you'll conduct cutting-edge research and collaborate with leaders across the company on impactful AI projects. We're seeking... 
    Training
    Remote job

    Xai

    Palo Alto, CA
    19 hours ago
  •  ...is building autonomous proactive security for the AI era. We seek a researcher who can extend post-training pipelines, fine-tune models, optimize rewards, and...  ...safety at the forefront. You will collaborate across engineering, research, and product teams, push efficiency and... 
    Training

    Armadin

    Palo Alto, CA
    2 days ago
  • $251k - $310k

     ...looking for experienced data-minded software engineers and data scientists to help us improve...  ..., and deploy production-grade agentic AI systems to solve complex, open-ended evaluation...  ...work location, experience, relevant training and education, and skill level. Your recruiter... 
    Training
    Full time
    Remote work

    Waymo

    Mountain View, CA
    2 days ago
  • $180k

     ...About xAI xAI’s mission is to create AI systems that can accurately understand the...  ...small, highly motivated, and focused on engineering excellence. This organization is for...  ...infrastructure team at xAI builds an end to end RL training framework to enable pretrain scale RL.... 
    Training
    Work at office
    Work from home
    Relocation

    xAI

    Palo Alto, CA
    more than 2 months ago
  • $281k - $356k

     ...learning models to deliver training and evaluation data for...  ...and software engineers who are passionate about...  ...rigor across our embodied AI applications Architect...  ...and iteration of novel RL algorithms, reward functions...  ...groups Guide and align multiple teams—including... 
    Training
    Full time

    Waymo

    Mountain View, CA
    19 hours ago
  •  ...AI/ML Software Engineer At Gallatin, we are rebuilding logistics infrastructure for the national...  ...Models Own and develop an AI model aligned with our core product needs within the...  ...services to streamline model training, deployment, runtime, and monitoring.... 
    Training
    Local area

    Gallatin AI, Inc.

    Palo Alto, CA
    1 day ago
  • $169.8k - $233.5k

     ...Uniphore is one of the largest B2B AI-native companies-decades-...  ...Job Description: SR AI Engineer Uniphore is a leading...  ...data; knowledge; agents model training, deployment and operationalization...  ...and company products and are aligned with the feedback that will be... 
    Training

    Uniphore

    Palo Alto, CA
    19 hours ago
  • $228.6k - $342.8k

     ...and running the world's best data and AI infrastructure platform so our customers...  ...what it finds. We are hiring a Senior Staff Applied AI Engineer to own context retrieval for...  ...EMNLP, or similar venues. Experience training or fine-tuning embedding models, rerankers... 
    Training
    Work at office
    Local area
    Immediate start
    Worldwide

    Databricks

    Mountain View, CA
    3 hours ago
  •  ...Reinforcement learning post‑training is driving some of the...  ...significant capability gains in AI today. It is the...  ...in the field. RL requires inference, rollout...  ...building an RL Frameworks engineering team to develop the open...  ...TorchTitan, OpenRLHF, NeMo‑Aligner, DeepSpeed‑Chat),... 
    Training

    NVIDIA Gruppe

    Santa Clara, CA
    2 days ago
  • $207k - $300k

     ...matrixed organization and drive alignment across cross‑functional...  ...data‑driven choices. As a Staff Software Engineer focusing on Data...  ...and relevant education or training. Your recruiter can share more...  ...details listed in US role postings reflect the base salary only... 
    Training
    Full time

    Google

    Mountain View, CA
    4 days ago
  •  ...company based in Santa Clara, California, is seeking a Staff Machine Learning Engineer to enhance AI features across Apple products. The ideal candidate...  ...in reinforcement learning and large language model post-training. This role promises a competitive salary, stock... 
    Training

    Apple Inc.

    Santa Clara, CA
    19 hours ago
  • $125k - $220k

     ...ultimate goal of enabling human life on Mars. AI ENGINEER, SPECIAL PROGRAMS - TOP SECRET CLEARANCE...  ...learning fundamentals—model evaluation, training, and fine-tuning—with a focus on...  ...Terraform, particularly in secure or government-aligned deployments. Adaptability to shifting... 
    Training
    Permanent employment
    Full time
    Temporary work
    For contractors
    Shift work
    Weekend work

    SpaceX

    Palo Alto, CA
    19 hours ago
  • Staff Network EngineerSkip to main contentGEICO uses...  ...policy.#Staff Network Engineer page is loaded## Staff...  ...type: Full timeposted on: Posted Todayjob requisition id...  ...and configurations aligned to business outcomes, risk...  ...experience, education and training, the work location as... 
    Training
    Hourly pay
    Work experience placement
    Local area
    Flexible hours

    GEICO

    Palo Alto, CA
    1 day ago
  • $190k - $260k

     ...developed an artificial intelligence (AI) powered technology stack...  ...as the speed at which we can train it. Every improvement to our...  ...throughput. We are looking for engineers who make model training fast:...  ...protected by applicable law. In alignment with its business operations,... 
    Training
    Full time
    Temporary work
    Work at office
    Visa sponsorship
    Flexible hours

    Kodiak

    Mountain View, CA
    2 days ago
  • Snorkel AI, Inc. in California is seeking a Research Scientist to advance reinforcement learning for training and aligning large language models. You will translate research...  ...collaborate with research, engineering, and delivery teams to deliver RL‑ready corpora for client... 
    Training

    Snorkel AI, Inc.

    Redwood City, CA
    1 day ago
  •  ...Accelloris an AI-native services firm purpose-built for the post-ChatGPT era. Free from legacy constraints, we focus...  ...outcomes through advanced AI, data, and engineering capabilities. Our mission is to...  ...who can build models, debug training issues, optimize GPU workloads, understand... 
    Training

    Accellor

    Mountain View, CA
    1 day ago
  • $130k - $260k

     .... For more information, please .Senior Staff Engineer page is loaded## Senior Staff Engineerremote...  ..., WAtime type: Full timeposted on: Posted Todayjob requisition id: R0060466**At...  ...candidate’s work experience, education and training, the work location as well as market... 
    Training
    Hourly pay
    Work experience placement
    Flexible hours

    GEICO

    Palo Alto, CA
    4 days ago
  • 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... 

    Pantera Capital

    Palo Alto, CA
    9 hours ago
  •  ...you find the best job for you. Role: Senior Agentic AI Engineer (Palo Alto Networks Ecosystem) Location: Palo Alto, CA Duration...  ...SASE platforms. Unlike traditional AI roles focused on model training, this position is centered on Orchestration -building systems... 
    Training
    Permanent employment
    Contract work
    Remote work

    Tekfortune Inc

    Palo Alto, CA
    1 day ago
  • $218.4k - $327.6k

     ...building the next generation of AI-driven game experiences —...  ...interactive worlds. As our Staff Machine Learning Engineer, you will be a core...  ...decisions on model architecture, training strategy, data pipelines,...  ...vision-language pretraining and alignment, efficient diffusion (e.g.,... 
    Training
    Full time
    Work at office
    Worldwide
    Relocation package

    Unity Technologies

    Mountain View, CA
    4 days ago
  • $190k - $250k

    Location San Francisco Employment Type Full time Location Type Hybrid Department AI We are looking for an AI Inference engineer to join our growing team. Our current stack is Python, Rust, C++, PyTorch, Triton, CUDA, Kubernetes. You will have the opportunity to work on... 
    Full time

    Kindredventures

    Palo Alto, CA
    1 day ago
  • Getclera is seeking a Member of Technical Staff to join a fast-growing team in Palo Alto, California. You will build real AI-powered products and work on backend AI services while collaborating with engineers from quant finance. The role offers engagement with partners... 
    Monday to Friday

    Getclera

    Palo Alto, CA
    3 days ago
  • $123k - $215.25k

     ...Senior AI Engineer I - Agentic AI New York, NY, United States Charlotte, NC, United States...  ...program ~ Career development and training opportunities For a full list of Team...  ...26002766 Job Category Technology Posting Date 06/06/2026, 12:12 AM Degree Level... 
    Training
    Full time
    Work at office
    Local area
    Remote work
    Visa sponsorship
    Flexible hours
    Shift work

    American Express

    Palo Alto, CA
    7 days ago
  • $227.5k - $300k

     ...driving the transformation to AI-enabled software-defined...  ...Summary: We are seeking a Senior Staff AI Engineer with a combination of...  ...development, including modeling, training, tuning, validating, deploying...  ...Surveys - Feedback matters! The posted salary range is a general... 
    Training
    Work at office
    Worldwide
    Flexible hours
    Shift work

    Sonatus

    Sunnyvale, CA
    21 days ago
  • $170k - $277k

     ...LinkedIn's Machine Learning Engineers are both data/research scientists...  ...to implementation. As a Staff Engineer at LinkedIn, you will...  ...responsible for the development and training of cutting-edge machine...  ...LinkedIn newsfeed Build scalable AI innovations with foundation... 
    Training
    For contractors
    Work at office
    Flexible hours

    LinkedIn

    Sunnyvale, CA
    25 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Staff AI Engineer — RL & Post-Training Alignment. Be the first to apply!