Jobs in the United States

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Added 2 mins ago
Lead AI and Data Science Engineer II
Deloitte
Omaha, NE
8+ years of experience with data science - including having a deep knowledge & mastery of Python, machine learning & deep learning, and associated data science packages (e.g., sklearn,…
Added 2 mins ago
Data Protection Security Engineer
Conagra Brands
Omaha, NE
Experience with PowerShell, Python, REST APIs, connectors, workflow automation, or other security automation technologies preferred.
Added 2 mins ago
Senior AI Engineer, Release Engineering
Intercontinental Exchange (ICE)
Omaha, NE
The Senior Engineer is a full-stack engineer with strong AI and large language model (LLM) expertise, embedded within the Release Engineering Development team. This team designs and…
Added 2 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Lincoln, NE
AmexGBT’s Security GRC team is looking for a talented Senior Security GRC Engineer to design, build, and scale automation and AI-driven solutions that modernize our governance, risk, and…
Added 2 mins ago
Associate Software Engineer
Highmark Health
Lincoln, NE
This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for…
Added 2 mins ago
Senior Telecom Engineer
Maximus
Lincoln, NE
Maximus is seeking an experienced Senior Telecom Engineer to lead the design, implementation, and optimization of Genesys Cloud solutions. This role is responsible for executing large-scale…
Added 2 mins ago
Vice President, Cloud Platform Engineer
SitusAMC
Lincoln, NE
…Docker, Kubernetes, and familiar with Git development. The Engineer is expected to provide strategy and implement enterprise-scale automation for scalability, performance, security, and…
Added 2 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Lincoln, NE
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 7 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Charleston, WV
AmexGBT’s Security GRC team is looking for a talented Senior Security GRC Engineer to design, build, and scale automation and AI-driven solutions that modernize our governance, risk, and…
Added 7 mins ago
Associate Software Engineer
Highmark Health
Charleston, WV
This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for…
Added 7 mins ago
Senior Telecom Engineer
Maximus
Charleston, WV
Maximus is seeking an experienced Senior Telecom Engineer to lead the design, implementation, and optimization of Genesys Cloud solutions. This role is responsible for executing large-scale…
Added 7 mins ago
Vice President, Cloud Platform Engineer
SitusAMC
Charleston, WV
…Docker, Kubernetes, and familiar with Git development. The Engineer is expected to provide strategy and implement enterprise-scale automation for scalability, performance, security, and…
Added 7 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Charleston, WV
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 9 mins ago
CC
2027 Summer Intern: Wireless Engineer I
Charter Communicatio
Greenwood Village, CO
- $31,533 USD / year
…verification and SITREP generation. - Develop and maintain Python-based operational scripts for tasks such as inventory reconciliation, config drift detection, and alert noise reduction -…
Added 16 mins ago
LillyDirect Pharmacy Master Data Technical Lead
Lilly
Indianapolis, IN
Lead design and delivery of batch and near-real-time pipelines in Python and PySpark on Databricks and AWS.
Added 16 mins ago
LillyDirect Pharmacy DevOps Engineer
Lilly
Indianapolis, IN
Scripting or programming skills in Python and shell, plus experience with Git and version control workflows.
Added 16 mins ago
LillyDirect Pharmacy Data Engineer
Lilly
Indianapolis, IN
We are seeking a highly motivated Data Engineer for our LillyDirect Pharmacy Covered Entity (LDPCE) Master Data team. This role involves designing, building, and maintaining robust and…
Added 16 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Indianapolis, IN
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 19 mins ago
J
Sr. Systems Engineer – AI Gateway Platform
Jobgether
Remote, United States
- $125,000 to $180,000 USD / year
…applications and next steps. Our partner is looking for a Sr. Systems Engineer – AI Gateway Platform based in the United…
Added 33 mins ago
Staff Machine Learning Engineer - Edge AI
Samsara
Remote, United States
…ML infrastructure for Samsara. As a Staff Machine Learning Engineer, you will be working with petabyte-scale sensor, diagnostic, video, and text data to solve critical problems for Physical…
Added 33 mins ago
Senior C/C++ Embedded Software Engineer/Analyst
Intuitive Research and Technology Corporation
Huntsville, AL
We are seeking an experienced C/C++ Embedded Software Engineer who will support the Software and Integration Directorate (S3I) program in the development of launcher control software. In…
Added 33 mins ago
Machine Learning Engineer - Mid
SOS International LLC
Huntsville, AL
SOSi is seeking a Mid-Level Machine Learning Engineer to support the development, integration, and deployment of machine learning capabilities for a government customer in Huntsville,…
Added 33 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Montgomery, AL
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 37 mins ago
A
Traffic Engineer 2
Atlas
Chicago, IL
- $89,898 USD / year
30 months of experience with the process of taking raw data and developing analytical models in Excel, Power BI, Python, Synchro, or HCS
Added 39 mins ago
Senior Software Developer - Environmental Services
Burns & McDonnell
Kansas City, MO
…in-depth analysis of software errors, identify root causes and engineer robust solutions to improve application stability and performance. The role will also provide comprehensive status…

Crusoe

Staff Software Engineer, AI Model Lifecycle

San Francisco, CA, United States
Sunnyvale, CA, United States

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Job details

Experience: 4-5+ years of industry experience leading and driving impactful projects in the AI Space
Posting language: English
Posted: Nov 6, 2026

Original job description

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack - from electrons to tokens - to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.

We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that - with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.

We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.

If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.

About This Role:

The Senior Staff Software Engineer for the AI Model Lifecycle team will play a crucial role in building a comprehensive managed platform for the entire application development lifecycle, with a specific focus on leveraging Machine Learning models, including Large Language Models (LLMs).

What You’ll Be Working On:

Manage fine-tuning systems for large foundation models (SFT, PEFT, LoRA, adapters), including multi-node orchestration, checkpointing, failure recovery, and cost-efficient scaling.
Implement and maintain end-to-end training pipelines for Large Language Models.
RFT and Reinforcement learning to the fine tuning and training sections
Distillation and reinforcement learning pipelines (e.g., preference optimization, policy optimization, reward modeling).
Dataset, model, and experiment management: versioning, lineage, evaluation, and reproducible fine-tuning at scale.

What You’ll Bring to the Team:

Advanced degree in Computer Science, Engineering, or a related field.
4-5+ years of industry experience leading and driving impactful projects in the AI Space
Experience in Generative AI (Large Language Models, Multimodal).
Hands-on experience training, fine-tuning, and aligning LLMs using Reinforcement Learning and Reinforcement Fine-Tuning (RFT) techniques.
Proactive and collaborative approach with the ability to work autonomously
Passion for building cutting-edge AI products and solving challenging technical problems.

Bonus Points:

Proficiency in Golang or Python for large-scale, production-level services and PyTorch
Contributions to open-source AI projects such as vLLM or similar frameworks.
Performance optimizations on GPU systems and inference frameworks.

Benefits:

Competitive compensation
Restricted Stock Units
Paid time off & paid holidays
Comprehensive health, dental & vision insurance
Employer contributions to HSA account
Paid parental leave
Paid life insurance, short-term and long-term disability
Professional development & tuition reimbursement
Mental health & wellness support
Commuter benefits (parking & transit)
Cell phone stipend
401(k) Retirement plan with company match up to 4% of salary
Volunteer time off

Compensation Range

Compensation will be paid in the range of up to $250,000 - $300,000 + Bonus. Restricted Stock Units are included in all offers. Compensation to be determined by the applicants knowledge, education, and abilities, as well as internal equity and alignment with market data.

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

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More about this job

Skills

Computer science
Work independently
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Python
PyTorch

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