Top 218 Experimental Physicist Jobs

Computational Physicist - AI Trainer
DataAnnotation —Victoria, CA
- $50.00 - $140.56 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
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8d
Experimental Atomic Physicist
Computational Physics, Inc. —Washington, DC
- $130,000 - $150,000 a year
- Online Application
- 6 years
- Doctor of Philosophy
- Travel
- Profit sharing
- Disability insurance
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Computational Physicist - AI Trainer
DataAnnotation —Irvine, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
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Computational Scientist – Metasurfaces, Photonics, and Inverse Design
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $195,000 a year
- Full-time
- Mid-level
- Master's degree
- 1 year
- Disability insurance
- Health insurance
Lead Experimental Physicist
Xcimer Energy —Denver, CO
- $200,000 - $225,000 a year
- Full-time
- Doctor of Philosophy
- Mentoring
- Fair chance
- Paid parental leave
- Paid holidays
Quick Apply
Computational Physicist - AI Trainer
DataAnnotation —Pasadena, CA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
5d
Computational Physicist - AI Trainer
DataAnnotation —Canton, OH
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
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5d
Chemical Engineer II/III (Nuclear)
Fissionaire —Madison, WI
- $125,000 - $150,000 a year
- Full-time
- Background check
- Master's degree
- Project management
- Relocation assistance
- Health insurance
Quick Apply
MRI Technologist / MRI Research Technologist - HYBRID
22nd Century Technologies, Inc. —Bethesda, MD
- $80,000 - $105,000 a year
- Full-time
- Background check
- Adults
- Mid-level
Quick Apply
6d
Advanced Optical Component Design and Characterization Researcher
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Java
- Doctor of Philosophy
- 1 year
- Disability insurance
- Health insurance
Experimental Ion Beam Physicist 4 (Scientist 4)
Los Alamos National Laboratory —Los Alamos, NM
- $153,600 - $266,500 a year
- Email
- Pass drug screening
- 11+ years
- Master's degree
- Disability insurance
- Health insurance
Experimental Plasma Physicist
TAE TECHNOLOGIES INC —Foothill Ranch, CA
- $125,000 - $140,000 a year
- Hybrid work
- Analysis skills
- Doctor of Philosophy
- Senior level
- Wellness program
- Paid holidays
Quick Apply
Pulsed Power Physicist
Xcimer Energy —Denver, CO
- $140,000 - $180,000 a year
- Full-time
- Office
- Analysis skills
- Doctor of Philosophy
- Paid parental leave
- Paid holidays
Quick Apply
Lead Experimental Physicist - 570
Quantinuum —Broomfield, CO
- $160,000 - $200,000 a year
- Full-time
- Management
- Pass drug screening
- 8 years
- Paid parental leave
- Paid holidays
Experimental Ion Beam Physicist 2/3 (Scientist 2/3)
Los Alamos National Laboratory —Los Alamos, NM
- $106,400 - $215,900 a year
- Email
- Pass drug screening
- Master's degree
- Bachelor's degree
- Disability insurance
- Health insurance
Junior Physicist
U.S. Dynamics Corporation —Amityville, NY
- $80,000 - $100,000 a year
- Full-time
- Master's degree
- Bachelor's degree
- Communication skills
Quick Apply
Physicist Research Scientist
Lawrence Berkeley National Laboratory —San Francisco Bay Area, CA
- $142,116 - $224,400 a year
- Full-time
- Hybrid work
- Background check
- System design
- Presentation skills
- Health insurance
- 401(k)
Lead Experimental Physicist (AMO) - 902
Quantinuum —Albuquerque, NM
- $164,000 - $205,000 a year
- Full-time
- Pass drug screening
- System design
- Analysis skills
- Paid parental leave
- Paid holidays
6d
Computational Physicist
Fuse —San Leandro, CA
- Extended hours
- Analysis skills
- Math
- Doctor of Philosophy
Engineer or Physicist in Positioning, Navigation, and Timing
The MITRE Corporation —Bedford, MA
- Full-time
- Hybrid work
- Computer Science
- Doctor of Philosophy
- Experience equivalent to degree accepted

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Computational Physicist - AI Trainer

DataAnnotation -
Victoria, CA

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Job Details

Part-time | Full-time | Contract
$50.00 - $140.56 an hour
8 days ago

Benefits

Flexible schedule

Qualifications

Software coding
Design of experiments
English
Providing code feedback

Full Job Description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Computational Physicist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick Apply

Refine Your Search

Experimental Physicist jobs

Computational Physicist - AI Trainer

Experimental Atomic Physicist

Computational Physicist - AI Trainer

Computational Scientist – Metasurfaces, Photonics, and Inverse Design

Lead Experimental Physicist

Computational Physicist - AI Trainer

Computational Physicist - AI Trainer

Chemical Engineer II/III (Nuclear)

MRI Technologist / MRI Research Technologist - HYBRID

Advanced Optical Component Design and Characterization Researcher

Experimental Ion Beam Physicist 4 (Scientist 4)

Experimental Plasma Physicist

Pulsed Power Physicist

Lead Experimental Physicist - 570

Experimental Ion Beam Physicist 2/3 (Scientist 2/3)

Junior Physicist

Physicist Research Scientist

Lead Experimental Physicist (AMO) - 902

Computational Physicist

Engineer or Physicist in Positioning, Navigation, and Timing

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