Jobs in the United States

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Added 2 mins ago
GRC Architect/ Information Security Manager- US
USA7 DXC Technology Services LLC
ANY CITY, TX
…speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world's…
Added 3 mins ago
Infrastructure Engineer
Garda Capital Partners
WYZ, MN · Wayzata, MN
The engineer develops reusable deployment pipelines, infrastructure templates, and self-service workflows that help teams provision environments and release changes consistently - working…
Added 3 mins ago
SO
Consultant Building Systems (Entry or Senior Level)
State of Wisconsin
WI
- $66,560 to $80,246 USD / year
Excellent and affordable health, vision, and dental benefits (health plan options start at just $42/month for single plans and $104/month for family plans after two months of employment)
Added 4 mins ago
Firmware Engineer
Samsara
Remote, United States
As a Firmware Engineer at Samsara, you will develop software that runs on millions of devices, deployed by our industrial and enterprise customers. You’ll tackle challenges including…
Added 6 mins ago
Senior Application Security Engineer (Burp Suite DAST)
Phia LLC
United States
…partners and clients. phia is seeking a mission-driven Senior Application Security Engineer to act as a dedicated technical partner embedded within a federal financial regulatory agency’s…
Added 6 mins ago
Product Development Research Engineer
Air Products and Chemical
St. Louis, MO
We are seeking a Product Development Research Engineer to develop new membrane products and
Added 6 mins ago
A
Manufacturing Engineer Supervisor
Actalent
Charlotte, NC
- $45 to $46 USD / hour
Job Title: Manufacturing Engineer SupervisorJob DescriptionThis role is responsible for leading daily operations across air-cooled chiller assembly lines within the value stream. The role…
Added 6 mins ago
A
Electrical Engineer
Actalent
Pocasset, MA
- $45 to $65 USD / hour
This Electrical Engineer role focuses on designing, integrating, and validating electrical and electromechanical systems that support advanced technologies such as autonomous underwater…
Added 6 mins ago
Mechanical Engineer
Actalent
Pocasset, MA
Added 6 mins ago
Vehicle Integration Engineer
Actalent
Portland, OR
Job Title: Vehicle Integration EngineerThe Vehicle Integration Engineer supports the design, documentation, and integration of complete vehicle systems, including advanced and autonomous…
Added 6 mins ago
Cad Design Engineer
Actalent
Torrance, CA
Job Title: CAD Design EngineerJob DescriptionThe CAD Design Engineer creates manufacturing-ready 3D models from legacy 2D technical data for government and commercial parts that currently…
Added 6 mins ago
A
Tooling Engineer
Actalent
Torrance, CA
- $60 to $75 USD / hour
Application DeadlineThis position is anticipated to close on Nov 20, 2026.
Added 6 mins ago
A
Electrical Project Engineer
Actalent
Yorktown, VA
- $55 to $68 USD / hour
Job Title: Electrical Project EngineerJob DescriptionThe Electrical Project Engineer designs and packages pressure sensor solutions that meet specific customer requirements, leading…
Added 6 mins ago
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Mechanical Systems Engineer
Actalent
Costa Mesa, CA
- $70 to $96 USD / hour
…solutions for complex global challenges.As a Mechanical Systems Engineer, you'll play a key role in developing a groundbreaking autonomous underwater vehicle platform from a clean-sheet…
Added 7 mins ago
A
Manufacturing Engineer Supervisor
Actalent
Charlotte, NC
- $45 to $46 USD / hour
Job Title: Manufacturing Engineer SupervisorJob DescriptionThis role is responsible for leading daily operations across air-cooled chiller assembly lines within the value stream. The role…
Added 7 mins ago
A
Manufacturing Engineer
Actalent
Charlotte, NC
- $45 to $48 USD / hour
Job Title: Manufacturing Engineer Job DescriptionThe Manufacturing Engineer serves as the primary technical resource supporting air-cooled chiller manufacturing operations on 2nd shift.…
Added 7 mins ago
A
Continuous Improvement Engineer
Actalent
Bedford, OH
- $48 to $53 USD / hour
Job DescriptionThis hands-on Continuous Improvement Engineer role leads lean initiatives directly on the manufacturing floor while partnering closely with Operations leadership,…
Added 7 mins ago
A
Functional Test Engineer
Actalent
Detroit, MI
- $36 to $42 USD / hour
We're seeking a Vehicle Test Engineer to support the development and validation of advanced powertrain systems for on-highway trucks. This hands-on role combines vehicle testing, data…
Added 7 mins ago
A
Supplier Quality Engineer
Actalent
Englewood, CO
- $50 to $60 USD / hour
Application DeadlineThis position is anticipated to close on Nov 20, 2026.
Added 7 mins ago
Lead Robotics & Automation Engineer
GE Vernova
Charleroi, PA
Vision system application, programming and configuration experience
Added 8 mins ago
Senior Electrical Engineer
Toyon
Fort Collins, CO
Toyon Research Corporation is seeking a Senior Electrical Engineer to join our Development Engineering Team in the Aerospace Systems Division. The ideal candidate will have a solid…
Added 9 mins ago
IT Asset Manager
Focus Operating, LLC
Remote, United States
…Security, Finance, Procurement, Service Desk, Legal and Compliance, application owners, and vendors to improve inventory accuracy, recovery, reuse, disposal, entitlement management,…
Added 10 mins ago
Business Systems Analyst
Big Top Manufacturing, LLC
Perry, FL
…innovation, and reliability. We don’t just build shelters - we engineer solutions that optimize operations, safeguard assets, and provide a competitive edge for companies worldwide. With…
Added 10 mins ago
Sr. Melting Process Engineer, Gorilla Glass
Corning
Harrodsburg, KY
The Senior Melting Process Engineer is a process development engineer. The role applies a fundamental understanding of materials chemistry and engineering principles to develop melting…
Added 10 mins ago
Principal Engineer – Mechanical, Induction & Synchronous Motors
TECO Westinghouse
Round Rock, TX
The Principal Engineer – Mechanical, Induction & Synchronous Motors provides senior-level mechanical engineering leadership for the design, analysis, verification, validation,…

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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Skills

Computer science
Work independently
Go
Python
PyTorch

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