Reflection

2 weeks ago

Member of Technical Staff - Pre-Training Evals Infra

API C++ Distributed Systems GPU Python +1 skills

You will build evaluation infrastructure for researchers to understand model capabilities, guide training decisions, and assess release readiness. You will design evaluation abstractions, develop distributed execution…

Jamf Jira macOS MDM Networking +4 skills

MTS IT Engineer

On-siteNorth America

United States

You will provide Tier 1 and Tier 2 IT support for internal users, including executives. You will improve IT processes, support onboarding, administer SaaS and identity systems, contribute to IT security initiatives,…

Member of Technical Staff Safety

You will own red-teaming and adversarial evaluation pipelines for AI models. You will identify security, misuse, and alignment failures; develop automated safety benchmarks; implement jailbreaking techniques and…

AI LLM Machine Learning

Member of Technical Staff Research Software Engineer Safety Evaluations Infrastructure

AI Data Pipelines Developer Experience Python RBAC +1 skills

You will design, build, and own secure infrastructure for sensitive model evaluations. You will create sandboxed environments, controlled data pipelines, access controls, audit logging, evaluation orchestration…

Member of Technical Staff - Pre-Training

Deep Learning Distributed Training ETL Machine Learning Python +1 skills

You will research and build solutions for algorithms, scaling laws, data processing, optimizers, and model architecture. You will run experiments on language-model scaling and data efficiency, implement deep learning…

Member of Technical Staff - Multilingual Data

Data Pipelines Distributed Computing

You will design and operate multilingual data pipelines for sourcing, cleaning, deduplication, language identification, and script normalization. You will establish corpus quality standards, run experiments on data…

Member of Technical Staff - Pre-Training Infra

Data Pipelines DeepSpeed Distributed Systems Distributed Training GPU +1 skills

You will build distributed systems for frontier-model pre-training and operate large-scale training runs. You will optimize throughput, stability, memory, communication, and GPU utilization; maintain pipelines for…

Member of Technical Staff - Evaluations

You will conduct comparative analyses of model capabilities and build evaluation systems that link data, evaluations, and model behavior. You will develop frameworks for reasoning, alignment, and usefulness,…

Agentic AI LLM

Member of Technical Staff - Data Quality Engineer Post-training

Acceptance Criteria Agentic AI Data Pipelines Data Quality LLM +2 skills

You will define and operationalize measurable data-quality standards for LLM post-training and evaluation. You will analyze datasets, build and validate automated QA methods, create reusable quality pipelines, provide…

Member of Technical Staff - Engineering Lead Data Ingestion

Airflow Data Ingestion Data Lake Data Quality LLM +3 skills

You will lead, mentor, and grow data ingestion engineers while remaining hands-on with the technical stack. You will prioritize work, run acquisition campaigns, guide architecture across crawling, pipelines, and data…

Member of Technical Staff - Data Ingestion Engineer

Data Ingestion Data Quality LLM Spark

You will build and operate systems that acquire, extract, normalize, version, and deliver large-scale data for pre-training. You will run experiments on crawling and extraction strategies, analyze data quality and…

Member of Technical Staff - Data Quality Engineer Pre-training

Acceptance Criteria Data Pipelines Data Quality LLM Machine Learning +1 skills

You will define and operationalize measurable data-quality standards for LLM pre-training. You will analyze data, build and validate automated QA methods alongside human-in-the-loop processes, create reusable quality…

Automation Distributed Systems Flink HTML Observability +1 skills

Member of Technical Staff - Web Crawl Engineer

On-siteNorth America

United States

You will build and operate systems for web-scale crawling, URL discovery, scheduling, content extraction, and dataset delivery. You will optimize crawl quality and coverage, develop specialized crawlers, create…

Member of Technical Staff Post Training

Distributed Systems LLM Machine Learning Reinforcement Learning

You will build systems that transform pre-trained models into aligned and general agents. You will develop data-generation pipelines, reward models, reinforcement-learning algorithms, and inference-time scaling…

Member of Technical Staff Engineering Lead Shared Services

You will lead systems engineers building shared services for research, training, and production. You will prioritize work, guide distributed-systems architecture, make hands-on contributions, and translate research and…

Distributed Systems

Member of Technical Staff Platform Foundations

CI/CD Cloud Networking Observability

You will build and operate foundational cloud, networking, security, developer infrastructure, and observability capabilities. You will create secure defaults, operate networking primitives, improve delivery systems,…

Member of Technical Staff Engineering Lead Platform Foundations

CI/CD Cloud Kubernetes Networking Observability +3 skills

You will lead infrastructure and platform engineers building cloud, networking, security, and developer infrastructure. You will prioritize execution, guide architecture, make hands-on contributions, establish secure…

Member of Technical Staff Engineering Lead Compute Platform

Cloud GPU Kubernetes Vendor Management

You will lead systems engineers building and operating a Kubernetes-based multi-cloud compute platform. You will prioritize delivery, guide architecture, contribute hands-on where needed, work with training teams on…

Member of Technical Staff Compute Platform