PPO jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $299,563/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
lumalabs.ai • HQ: Palo Alto, United States • Generative 3D • Generative Image • Generative Video • 201-500 employees • Est. 2021 • Startup • Hiring 32
HQ: Palo Alto, United States • Generative 3D • Generative Image • Generative Video • 201-500 employees • Est. 2021 • Startup • Hiring 32
Luma AI is an artificial intelligence company that specializes in building advanced 3D visual technology and generative AI tools. Founded in 2021, the company is best known for its realistic text-to-3D models, NeRF (Neural Radiance Fields) capture app, and its high-quality video generation model, Dream Machine. By enabling creators and developers to easily capture, generate, and edit photorealistic 3D assets and video, it aims to make next-generation digital media creation accessible to everyone.
siemens.com • HQ: Munich, Germany • Rail Transport • Medical Imaging Systems • Building Automation & Controls • Manufacturing & Industrial Software • CAD, PLM & BIM Software • Industrial Automation • 1001-5000 employees • Est. 1847 • Trust A • Hiring 1144, 473 new
HQ: Munich, Germany • Rail Transport • Medical Imaging Systems • Building Automation & Controls • Manufacturing & Industrial Software • CAD, PLM & BIM Software • Industrial Automation • 1001-5000 employees • Est. 1847 • Trust A • Hiring 1144, 473 new
Siemens is a German technology conglomerate founded in Berlin in 1847 by Werner von Siemens around a telegraph that indicated letters rather than Morse code. After a decade of divestments it now concentrates on industry, infrastructure, transport and healthcare, supplying factory automation and control systems, building and grid technology, trains and signalling, and the Teamcenter and NX design software acquired through a long run of software purchases. The Siemens Xcelerator platform ties hardware to software and digital twins, and the group retains a majority stake in the separately listed medical imaging company Siemens Healthineers.
thinkingmachines.ai • HQ: San Francisco, United States • AI Development Tools • AI Research Labs • Foundation Models • Multimodal AI • 501-1000 employees • Est. 2025 • Startup • Hiring 53, 1 new
HQ: San Francisco, United States • AI Development Tools • AI Research Labs • Foundation Models • Multimodal AI • 501-1000 employees • Est. 2025 • Startup • Hiring 53, 1 new
Thinking Machines Lab is an artificial intelligence research and product company based in San Francisco and founded in 2025. The company develops multimodal AI systems and open-weights models, such as Inkling, alongside developer tools like Tinker for model fine-tuning. It operates as a public benefit corporation focused on human-AI collaboration and open science, supported by significant venture capital investment.
baseten.co • HQ: San Francisco, United States • MLOps • AI Compute & Inference • 1001-5000 employees • Est. 2019 • Trust B • Hiring 103, 3 new
HQ: San Francisco, United States • MLOps • AI Compute & Inference • 1001-5000 employees • Est. 2019 • Trust B • Hiring 103, 3 new
Baseten is an American company founded in 2019 that runs machine learning models in production for companies that would rather not operate GPU infrastructure themselves. Its position is inference rather than training: it handles model packaging, autoscaling, cold start latency and multi-cloud capacity, which are the unglamorous problems that determine whether a model-powered product is fast and affordable enough to ship. Headquartered in San Francisco and backed at a multi-billion dollar valuation, it serves companies deploying open and custom models, and it competes with both the hyperscalers and the model providers' own hosted endpoints.
lila.ai • HQ: Cambridge, United States • Materials Science & Nanotechnology • Laboratory & Pharmaceutical Robotics • AI Research Labs • AI for Science • 201-500 employees • Est. 2023 • Startup • Trust A • Hiring 105, 7 new
HQ: Cambridge, United States • Materials Science & Nanotechnology • Laboratory & Pharmaceutical Robotics • AI Research Labs • AI for Science • 201-500 employees • Est. 2023 • Startup • Trust A • Hiring 105, 7 new
Lila Sciences is an American company launched publicly in 2025 out of Flagship Pioneering with the aim of building what it calls scientific superintelligence: artificial intelligence systems that generate hypotheses and then test them in the company's own automated laboratories. Its distinguishing feature is the closed loop between model and experiment, since most scientific machine learning is limited by the fact that the data it needs has never been generated. Headquartered in Cambridge, Massachusetts and funded at an unusually large scale for a company at this stage, it is working across life sciences and materials chemistry rather than committing to a single field.
bvteck.com • HQ: Bridgewater Township, United States • IT Staffing & Staff Augmentation • HR & Recruiting AI • Est. 2020 • Staffing · EOR • Hiring 368, 117 new
HQ: Bridgewater Township, United States • IT Staffing & Staff Augmentation • HR & Recruiting AI • Est. 2020 • Staffing · EOR • Hiring 368, 117 new
Bright Vision Technologies is a minority-owned technology company that develops Lumina, an AI talent intelligence and enterprise automation platform offering candidate sourcing, semantic resume matching, recruiter assistants and blockchain-based credential verification. Alongside the product, it places IT consultants with clients, with openings for SAP functional consultants, Oracle Cloud architects, data architects, PeopleSoft and Dell Boomi integration specialists, and it runs an office in Chennai, India. The company is headquartered in Bridgewater, New Jersey, United States.
toloka.ai • HQ: Amsterdam, Netherlands • AI Evaluation & Observability • AI Training Data & Annotation • 51-200 employees • Est. 2014 • Startup • Trust A • Hiring 15, 1 new
HQ: Amsterdam, Netherlands • AI Evaluation & Observability • AI Training Data & Annotation • 51-200 employees • Est. 2014 • Startup • Trust A • Hiring 15, 1 new
Toloka is a data company founded in 2014 and headquartered in Amsterdam that supplies human-generated training, fine-tuning and evaluation data for artificial intelligence systems. It began as a large-scale crowdsourcing platform and has repositioned around expert work, combining domain specialists, machine learning tooling and quality control pipelines to produce reasoning traces, preference rankings and agentic task data. Operating within the Nebius group and backed by Bezos Expeditions since 2025, the company serves frontier model laboratories and enterprises building their own systems.
nvidia.com • HQ: Santa Clara, United States • Computer Components • Servers & Data Center Hardware • AI Chips & Accelerators • Processors, MCUs & AI Chips • 5000+ employees • Est. 1993 • Trust B • Hiring 2218, 191 new
HQ: Santa Clara, United States • Computer Components • Servers & Data Center Hardware • AI Chips & Accelerators • Processors, MCUs & AI Chips • 5000+ employees • Est. 1993 • Trust B • Hiring 2218, 191 new
NVIDIA is an American technology company founded in 1993 that invented the graphics processing unit and has become the dominant supplier of accelerated computing platforms for artificial intelligence. Its portfolio spans data centre GPUs and systems built on the Hopper and Blackwell architectures, GeForce consumer graphics, automotive and robotics platforms, high-speed networking acquired with Mellanox, and the CUDA software stack that binds the ecosystem together. Headquartered in Santa Clara, California, the company sells to cloud providers, enterprises, research institutions and gamers worldwide and is one of the most valuable listed businesses on the Nasdaq.
alice.io • New York • London • Hanoi • Ramat Gan • San Francisco • Foundation Models • LLM & Generative AI • Artificial Intelligence • Threat Intelligence • AI Governance & Compliance • AI Safety & Alignment • 51-200 employees • Startup • Hiring 29, 6 new
New York • London • Hanoi • Ramat Gan • San Francisco • Foundation Models • LLM & Generative AI • Artificial Intelligence • Threat Intelligence • AI Governance & Compliance • AI Safety & Alignment • 51-200 employees • Startup • Hiring 29, 6 new
Alice is the most trusted partner for GenAI safety and security. Built on a decade of threat intelligence research, Alice helps organizations detect, prevent, and respond to AI risks across the full model lifecycle.
whitetable.ai • HQ: Bengaluru, India • Software • Recruiting Software & ATS • Hiring 13, 4 new
HQ: Bengaluru, India • Software • Recruiting Software & ATS • Hiring 13, 4 new
Whitetable is world's first candidate-centric hiring platform, where candidates state their preferences and get matched with the right opportunity, making hiring efficient and easy.
zenteiq.ai • HQ: Bengaluru, India • STEM Education • Machine Learning • Simulation & Digital Twin Software • AI for Science • Est. 2022 • Likely startup • Hiring 10, 1 new
HQ: Bengaluru, India • STEM Education • Machine Learning • Simulation & Digital Twin Software • AI for Science • Est. 2022 • Likely startup • Hiring 10, 1 new
ZenteiQ is a deep technology company headquartered in Bengaluru, India, and founded in 2022 out of research at the Indian Institute of Science. The company works on scientific machine learning, combining numerical simulation with neural networks for engineering and industrial modelling problems, and builds training programmes around those methods. It sells to industrial and research customers in India while running education initiatives that push scientific computing skills into the wider engineering workforce.
brightvisiontechnologies.com • HQ: Bridgewater Township, United States • IT Consulting & Digital Transformation • IT Staffing & Staff Augmentation • 1001-5000 employees • Est. 2020 • Staffing · EOR • Hiring 509, 467 new
HQ: Bridgewater Township, United States • IT Consulting & Digital Transformation • IT Staffing & Staff Augmentation • 1001-5000 employees • Est. 2020 • Staffing · EOR • Hiring 509, 467 new
Bright Vision Technologies is an IT consulting, enterprise technology services, and workforce solutions enterprise. Headquartered in Bridgewater, New Jersey, United States, the minority-owned firm specializes in technology staffing, cybersecurity, application management, and digital product engineering. Founded in 2020, the enterprise delivers specialized staffing and IT services alongside proprietary automation and AI software - including its flagship enterprise talent intelligence platform, Lumina - serving clients across information technology, defense, healthcare, government, and manufacturing sectors.
xiaohongshu.com • HQ: Shanghai, China • Social Networks • Social Commerce • 5000+ employees • Est. 2013 • Trust A • Hiring 969, 72 new
HQ: Shanghai, China • Social Networks • Social Commerce • 5000+ employees • Est. 2013 • Trust A • Hiring 969, 72 new
Headquartered in Shanghai, China, Xiaohongshu - frequently referred to as RED or Little Red Book - is a premier social media and lifestyle-sharing platform. The digital network allows users to create, discover, and share short-form videos, photo blogs, and reviews covering fashion, travel, beauty, and daily living. By combining user-generated content with integrated e-commerce capabilities, it serves as a major product discovery engine and influencer marketing hub for global brands.
echelonai.com • San Francisco • Enterprise Apps Implementation Partners • AI Consulting & Integration • 1001-5000 employees • Est. 2025 • Hiring 8
San Francisco • Enterprise Apps Implementation Partners • AI Consulting & Integration • 1001-5000 employees • Est. 2025 • Hiring 8
Echelon is the agentic delivery platform for your enterprise systems: one AI workforce to deliver, connect and orchestrate the critical systems your business runs on.
baykartech.com • HQ: Istanbul, Turkey • Drones & UAVs • Military Drones • 1001-5000 employees • Est. 1984 • Hiring 60, 1 new
HQ: Istanbul, Turkey • Drones & UAVs • Military Drones • 1001-5000 employees • Est. 1984 • Hiring 60, 1 new
Baykar is a Turkish technology company best known for the Bayraktar family of unmanned aerial vehicles. Its work combines aerospace engineering with autonomy software, flight control systems and mission electronics developed in house. The company has become one of the world's most visible manufacturers of combat drones.
suno.com • HQ: Cambridge, United States • Generative Audio & Music • Music Industry • 201-500 employees • Est. 2022 • Startup • Trust B • Hiring 61, 2 new
HQ: Cambridge, United States • Generative Audio & Music • Music Industry • 201-500 employees • Est. 2022 • Startup • Trust B • Hiring 61, 2 new
Suno is a generative artificial intelligence technology platform specializing in AI-driven music creation. Founded in 2022 by a team of machine learning experts and audio engineers in Cambridge, Massachusetts, the platform allows users to generate complete, high-quality songs - including vocals, instrumentation, and custom lyrics - from simple text prompts.
unitedhealthgroup.com • HQ: Eden Prairie, United States • Health Insurance & Benefits • Pharmacies • Hospitals & Health Systems • 5000+ employees • Est. 1977 • NYSE: UNH • Trust B • Hiring 2073, 315 new
HQ: Eden Prairie, United States • Health Insurance & Benefits • Pharmacies • Hospitals & Health Systems • 5000+ employees • Est. 1977 • NYSE: UNH • Trust B • Hiring 2073, 315 new
UnitedHealth Group is an American health care and health insurance company headquartered in Eden Prairie, Minnesota, near Minneapolis. It works through two businesses, UnitedHealthcare for health benefits and Optum for care delivery, pharmacy services, data and technology, and it is the largest health care company by revenue, ranked fourth on the 2026 Fortune Global 500. Openings include customer service advocates, care coordinators, pharmacy technicians, clinical staff and software, data and AI engineers in the US, India, the Philippines and Ireland.
akrys.ai • HQ: Bengaluru, India • Document AI • Speech & Audio AI • EHR & Clinical Software • Medical AI • Est. 2025 • Likely startup • Hiring 5
HQ: Bengaluru, India • Document AI • Speech & Audio AI • EHR & Clinical Software • Medical AI • Est. 2025 • Likely startup • Hiring 5
Akrys AI is a healthtech company building a clinical intelligence platform to convert doctor-patient conversations into structured records and clinical notes, offering AI-assisted support for healthcare workflows.
