G

Google

Runs Search and YouTube and builds Gemini AI

Research Engineer - Chemical, Biological and Nuclear AI Safety

Full-Time
$174k - $252k+ 15% Bonus Target + Equity
Senior
Bachelor's, Master's, PhD
Mountain View, CA, USA
In Person
AI & Machine LearningApplied Machine Learning
Company Historically Provides H1B Sponsorship

About the job

Requirements
  • A bachelor's degree in a Management, Scientific, Technical, or Engineering field, or equivalent practical experience.
  • Five years of experience writing code in a shared, version-controlled codebase with other contributors, which may include research software.
  • Three years of experience training, fine-tuning, or evaluating machine learning models.
Responsibilities
  • Build novel safeguards and attack them with automated and manual red teaming, while measuring their cost to legitimate scientific research.
  • Design, build, and run evaluations for chemical, biological, radiological, nuclear, and explosives risk in frontier models, including agentic systems risk.
  • Lead the reliability of key systems, including safeguards and incident response.
  • Partner with leading scientific experts to turn their judgment into datasets and automated graders, managing sensitive data under strict security controls.
  • Communicate results, including uncertainty and negative findings, to technical staff and leadership.
  • Do applied research, write production code, and launch the resulting safeguards to billions of users.
  • Participate in an on-call rotation.
Desired Qualifications
  • A master's degree or PhD in Chemistry, Physics, Chemical Engineering, Nuclear Engineering, Biology, or a Computational Science.
  • Experience building classifiers or evaluation infrastructure for large language models.
  • Experience applying statistics to machine learning evaluation.
  • Experience running software in production, including monitoring, on-call, or incident response.
  • Experience in chemical, biological, radiological, or nuclear security, export control, or adversarial work such as red teaming, security research, or abuse prevention.

About the company

Google runs the world's most used search engine and free services such as YouTube, Android, and Gmail, and it builds the Gemini AI models that work inside them. In 2017, its researchers invented the transformer, the neural network design behind ChatGPT and most other AI chatbots. People use these services without paying, and Google earns most of its money from ads placed beside search results and YouTube videos. Businesses rent computing power and Gemini models through Google Cloud, and Google also sells subscriptions and Pixel phones. Larry Page and Sergey Brin founded Google in 1998 as Stanford PhD students; it is based in Mountain View, California, United States, and is the main business of parent company Alphabet.

Company Size

10,001+

Company Stage

IPO

Headquarters

Mountain View, California

Founded

1998

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Simplify Jobs

Simplify's Take

What believers are saying

  • Gemini caught on: its app's monthly users rose from 400 million in May 2025 to 1 billion by August 2026.
  • Cloud work is booked years ahead: Google Cloud had $514 billion of signed contracts still to deliver in June 2026.
  • Stock awards gained value: Alphabet shares rose 44% in the 12 months to October 2026, versus 2% for Microsoft.

What critics are saying

  • Cloud is still third: Google held 15% market share in the June 2026 quarter, behind Amazon's 28% and Microsoft's 20%.
  • AI spending outruns cash: Alphabet spent $44.9 billion on equipment in the June 2026 quarter, more than operations generated.
  • AI leadership is turning over: in August 2026, Demis Hassabis handed off running Google DeepMind, and veteran Jeff Dean left.

What makes Google unique

  • Consumer apps earn most profit: Google Services made $39.5 billion operating profit in the June 2026 quarter, 4.5 times Cloud.
  • Rivals rent its homemade AI chips: Claude maker Anthropic agreed in October 2025 to use up to 1 million TPUs.
  • Android dominates mobile browsing: it had 69% of global mobile web use in September 2026, versus 31% for iPhones.

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Benefits

  • Hybrid Work Options
  • Remote Work Options
  • Performance Bonus
  • Company Equity

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