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OpenAI

Performance & Systems Engineer, Codex

OpenAI

Published 07 May 2026
San Francisco, CA, USA
$295K - $445K
Full Time

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Role Highlights

Languages used

Key skills

AI
UX
Cloud Infrastructure
Information Technology
Data Security
API
Research
Deployment
Optimization
LLMs
Inference
Modelling
Machine Learning

Tools, Libraries and Frameworks

OpenAI

Description

The role involves conducting whole-system optimization across a complex and evolving stack that includes large language model inference, cloud orchestration, and agentic work management. The engineer identifies and implements high-leverage changes across infrastructure, modeling, and product layers to improve system speed and cost-efficiency.

Required Qualifications and Skills

The role requires experience operating across both machine learning systems and cloud infrastructure. Candidates should possess the ability to think holistically about performance by balancing speed, cost, and user experience. The position is suited for generalists who can navigate ambiguous problems to identify and implement clear performance improvements. No specific degree or professional qualifications are mentioned in the text.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

OpenAI

Size

1136

Founded

HQ

San Francisco, US

Public/Private

Partnership

Description

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first — ahead of profit. To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership. At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

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