Remote Solely
TL;DR: We’re looking for an AI Research Recruiter who knows where exceptional AI Researchers and engineers can be found. You’ll own full-cycle hiring across research, machine learning, data, evaluations, and ML infrastru…
Skills: Full-cycle recruiting, AI research recruitment, Machine learning, Technical sourcing, Candidate assessment
Paris, Ile-de-France, France · Hybrid
$80k–$150k/yr
TLDR: We’re looking for a DevOps Engineer to build and maintain the cloud and on-prem infrastructure behind our platform: Kubernetes clusters, CI/CD pipelines, observability, networking, and automation that keep producti…
Skills: AWS, Kubernetes, Terraform, Python, CI/CD
New York, New York, United States · Remote OK
$140k–$180k/yr
About White Circle White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what a…
Skills: Event strategy, GTM strategy, Pipeline generation, B2B SaaS, Project management
London, England, United Kingdom · Remote OK
$80k–$110k/yr
About White Circle White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what a…
Skills: Partnership Management, Strategic Sourcing, Negotiation, Go-to-market Strategy, Revenue Generation
Paris, Ile-de-France, France · Hybrid
$60k–$100k/yr
About us White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what an AI model…
Skills: Data Annotation Management, AI Evaluation, People Management, RLHF, Vendor Management
United States · Hybrid
$60k–$90k/yr
TLDR: We're looking for an AI Red Team Engineer to break LLM-powered systems responsibly, automate the repetitive attacks, and turn their findings into clear evidence that powers customer demos, security reviews, and sal…
Skills: Python, LLM Red Teaming, Adversarial Testing, API Security, Prompt Injection
Paris, Ile-de-France, France · Hybrid
$180k–$350k/yr
TLDR: We are looking for an ML Infrastructure Engineer to build the systems behind our LLM post-training, RL, evaluation, inference, and agentic development workflows. You will work close to researchers, GPUs, training l…
Skills: Distributed RL, Post-training Pipelines, PyTorch, JAX, Python
Paris, Ile-de-France, France · Hybrid
$120k–$250k/yr
TLDR: We are looking for several ML Engineers to train, post-train, and evaluate the LLMs at the core of our platform. This is hands-on modern model training work: large-scale data pipelines, SFT/RLHF/DPO-style alignment…
Skills: LLM Post-training, SFT, RLHF, DPO, PyTorch
Paris, Ile-de-France, France · Hybrid
$120k–$250k/yr
TLDR: Multimodal ML Engineer to train and ship vision, audio, video, and speech models for an AI safety platform that operates at 100M+ API calls/month. About us White Circle is an AI Safety company building the safety, …
Skills: PyTorch, Distributed Training, Multimodal Model Training, RLHF, Model Quantization
London, England, United Kingdom · Hybrid
$80k–$100k/yr
About White Circle White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what a…
Skills: GTM Engineering, Technical RevOps, Python, SQL, CRM Management
Paris, Ile-de-France, France · Hybrid
TLDR: We're looking for a research scientist to study how LLM agents fail in the wild, who can elicit deception, misalignment, and unsafe behaviour in concrete experiments, and build out the understanding of how agents b…
Skills: Empirical Research, Model Evaluation, AI Alignment, ML Engineering, Experimental Design
New York, New York, United States · Remote OK
$140k–$180k/yr
About White Circle We process over 100M+ API calls every month and have raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others. White Ci…
Skills: B2B SaaS Sales, Enterprise Selling, Prospecting, Qualification, Product Demos
Paris, Ile-de-France, France · Hybrid
TLDR: We're looking for a research scientist to build autonomous, large-scale environments that push LLM agents (single and multi-agent) to failure, and study how they actually break. About us White Circle is an AI Safet…
Skills: Agentic Systems, LLM Agents, Adversarial Environments, AI Safety, Red-teaming
Paris, Ile-de-France, France · Hybrid
$150k–$250k/yr
TLDR: We're looking for a research engineer to build and maintain our internal suite of benchmarks, covering single/multi-turn content and agentic guardrails. The research engineer would also work with the team on projec…
Skills: Python, LLM Benchmarking, Synthetic Data Generation, LLM Inference, AI Safety
Paris, Ile-de-France, France · Hybrid
$80k–$150k/yr
TLDR: We're looking for a Product Engineer (Backend – Rust) to own and evolve the core systems that power AI safety at scale – building APIs that handle hundreds of millions of requests, real-time policy enforcement, and…
Skills: Rust, Async Rust, Tokio, Axum, Actix
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
You will own the full-cycle recruitment process for specialized AI research, machine learning, and infrastructure roles. This involves partnering with leadership to define candidate profiles and sourcing top-tier talent from research labs and open-source communities.
Candidates must have at least 2 years of full-cycle recruiting experience specifically within the AI and machine learning domain. You should possess a deep understanding of technical research roles and the ability to build credibility with highly specialized technical talent.
TL;DR: We’re looking for an AI Research Recruiter who knows where exceptional AI Researchers and engineers can be found. You’ll own full-cycle hiring across research, machine learning, data, evaluations, and ML infrastructure, helping us build one of the strongest teams in AI safety.
White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what an AI model should and shouldn’t do. We automatically test, enforce, and continuously improve these policies at scale.
We’ve raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others
We process over one hundred million API calls every month
We fine-tune and train our own LLMs so they run faster and cheaper than any open or proprietary model
We’re a small, highly focused team. If you want to work deeply on hard problems, see your work ship to production quickly, and influence how AI safety is actually built – you’re the one we need.
Own full-cycle recruitment for AI Research, ML, data, evaluations, and ML infra roles
Develop a deep understanding of White Circle’s research agenda, technical challenges, and the profiles required to solve them
Partner closely with research leadership and CEO to define highly specialised candidate profiles
Source talent from AI labs, research organisations, technical startups, universities, open-source communities, and relevant scientific networks
Understand the differences between Research Scientists, Research Engineers, Applied ML Engineers, and ML infra Engineers & assess candidates accordingly
Evaluate candidates’ actual contributions
Engage researchers and engineers who are not actively looking for a new role and communicate why White Circle’s problems are technically meaningful
Follow developments in AI safety, model behavior, evaluations, multimodal systems, agentic systems, data quality, post-training, and ML infrastructure
Design structured hiring processes that assess research depth, engineering ability, originality, and real-world impact
Deliver an exceptional candidate experience, including for candidates navigating multiple highly competitive opportunities
Track recruiting performance and continuously improve sourcing strategies, processes, tools, and workflows
Support hiring outside your primary stream when business priorities require it
Have 2+ years of full-cycle recruiting experience, including significant experience hiring Research and ML talent
Have personally hired for several roles comparable to Research Scientist, Research Engineer, ML Research Engineer, Applied Scientist, Multimodal ML Engineer, or ML Infrastructure Engineer
Understand what these roles do and how their responsibilities, technical depth, and candidate pools differ
Can confidently discuss LLM training and fine-tuning, inference, evaluations, data pipelines, model behavior, multimodal learning, agent systems, and ML infra
Can interpret technical profiles beyond keywords, job titles, or company names
Know how to assess the significance of a candidate’s publications, open-source work, models, datasets, experiments, and production systems
Understand where exceptional AI research talent can be found and how to reach candidates who are not visible through conventional sourcing channels
Participate in or closely follow AI research and engineering communities
Can build credibility with highly technical candidates and communicate nuanced research problems accurately
Have experience recruiting across the US and European markets
Can act as a trusted talent advisor to technical hiring managers and research leadership
Are comfortable operating with ambiguity and continuously refining profiles as research priorities evolve
Are willing and able to recruit beyond research roles when needed
Speak and write fluent English (C1+)
Experience recruiting for a frontier AI lab, AI safety org, research-focused startup, or leading AI company
A strong existing network among AI researchers, research engineers, and ML infra specialists
Experience sourcing through publications, conference programs, citations, GitHub, open-source projects, research communities, and academic labs
A technical or research background in computer science, machine learning, mathematics, or a related field
Experience recruiting for an early-stage startup where the research direction and hiring requirements evolve quickly
Meaningful equity package
Paid time off in line with your local regulations, no matter where you work from
All the hardware, tools, and services you need
Covered subscriptions for AI agents
Team off-sites twice a year: we’ve recently been to the Alps and to Saint-Tropez
Introductory call with Head of People (25 min)
Take-home test
Final conversation with our CEO & Research Lead (45 min)
Please submit your application in English.
Runtime AI safety and alignment infrastructure
White Circle is the control layer for AI in production. We help companies test, protect, observe, and improve every AI interaction — from blocking unsafe inputs and preventing jailbreaks to analyzing user behavior and optimizing model performance.
View all jobs at White CircleRuntime AI safety and alignment infrastructure
White Circle is the control layer for AI in production. We help companies test, protect, observe, and improve every AI interaction — from blocking unsafe inputs and preventing jailbreaks to analyzing user behavior and optimizing model performance.
View all jobs at White Circle