About the role
Help train and evaluate AI agents on expert-level fluid simulation tasks. You'll take CAD geometry, set up and run simulations, build verified reference solutions, and write Python checks for the agent's results.
Requirements
- A degree in Mechanical or Aerospace Engineering, or a related field such as energy or oil & gas. A PhD is preferred but not required.
- Several years of hands-on industry or research CFD with OpenFOAM, ANSYS Fluent/CFX or STAR-CCM+, including meshing.
- Solid verification and validation practice: mesh-independence studies, and validation against experiment or benchmarks.
- Comfortable with Python and GitHub.
- English at B2 level or above.
- Nice to have: aerospace, automotive, offshore or turbomachinery background; multiphase or particle-laden flow experience.
Project time expectations
For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.
Compensation
On this project, contributors can earn up to $36 per hour equivalent , depending on their level and pace of contribution.
Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.
Why this freelance opportunity might be a great fit for you?
- Work fully remote on your own schedule with just a laptop and stable internet connection.
- Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform.
- Participate in performance-based bonus programs that reward high-quality work and consistent delivery.
$40 - $125 per hour
...Fully remote, project-based work checking how well AI coding agents handle real software engineering. You write tasks based on your own experience and grade where the agent gets it wrong. $40 to $125 USD an hour, at least 10 hours a week, as an independent contractor. For...SuggestedFull-timePart-timeRemote- ...Key Responsibilities Train AI models by annotating and labeling sound data accurately. Review and validate AI-generated sound... ...precision and quality assurance. Provide domain expertise in sound engineering to enhance AI model efficacy. Collaborate on various AI...SuggestedFlexible hours
- ...pay Required Skills CFD engineering Aerodynamics fluid-dynamics About micro1 micro1 is a data lab that helps AI labs & Enterprises train foundational models and agents. We provide frontier evaluations and reinforcement learning environments to improve LLM capabilities...SuggestedPart-timeRemote
- ...of nuclear materials and safeguards experts to red-team frontier AI models. The goal is to test whether a model can correctly judge the... ...a national laboratory or licensee Physical protection system engineering — sensors, barriers, delay, response force, performance testing...SuggestedPart-time
- £62k - £81k per annumEstimated...operational excellence – all powered by advanced technology, data, AI and digital innovation. Clients value Baringa’s collaborative... ...Technology team are looking for an experienced Infrastructure Operations Engineer to join the team. Baringa’s TeCy Group (Technology & Cyber) is a...SuggestedFull-time
$40 - $100 per hour
...for CAD specialists to produce and validate parametric CAD models for AI training datasets. You will build a library of mechanical parts and assemblies in FreeCAD and run quality checks against engineering standards. Key Responsibilities Build, edit and check accurate...Hourly payRemote$35 - $45 per hour
...models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As an AI Tutor specialized in multilingual audio capabilities, you will contribute to SpaceXSI's mission by training and refining Grok to excel...Full-timePart-timeRemote- £56k - £73k per annumEstimated...Require experience testing Electron and/or React Native applications, including on real iOS and Android devices. Require experience using AI tools in QA and critically reviewing their output. Testing AI-powered applications is a preferred qualification. Benefits ~100%...Full-timeRemote
- £58k - £76k per annumEstimated...exploratory, and regression testing of new features. Choose manual or automated coverage based on risk and maintain regression suites. Use AI tools in QA and critically review their output. Requirements At least 4 years of QA automation experience, including hands-on...Full-timeRemote
- ...Key Responsibilities Train and improve AI models through precise data annotation and labeling. Review and validate AI-generated... ...for accuracy and relevance. Provide domain expertise in nuclear engineering to enhance AI model performance. Collaborate on various AI...Hourly pay
- ...Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced... ...pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents...Part-timeFreelanceRemote
- ...Turing is one of the world’s leading AGI infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. Engagement Details Compensation: Market, please provide a specific...Hourly pay40 hours/weekPart-time
£90k - £100k per annum
...Hottest topic on the market - AI, be a part of the future today. Everyone is talking about Artificial Intelligence but have you got... ...necessary. Other tooling is broad, there is a belief that as a senior engineer you will be able to learn and pick up what is required. You...Remote jobPermanentImmediate start$3,500 - $4,500 per month
...Full Stack AI Automation Engineer Nobody hands you a ticket. You sit inside real US service businesses, find the work that should not be done by hand, and build the thing that removes it. Remote · Latin America · $3,500-$4,500 USD/month · Full-time · Independent Contractor...Full-timeRemoteMonday to Friday- £42k - £55k per annumEstimated...ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering...Full-timeRemote
- ...assembling a panel of nuclear domain experts to red-team frontier AI models. The goal is to test whether a model can correctly judge... ...accountancy, inspection regimes, Additional Protocol. Nuclear Engineer, Fuel Cycle — enrichment, reprocessing and criticality, end to end...
- ...AfterQuery is seeking Industrial Engineering Experts to create and refine engineering and operations challenges for our AI training modules. In this remote, flexible role, you will design and evaluate industrial engineering scenarios that test the AI's ability to interpret...RemoteFlexible hours
- £59k - £77k per annumEstimated...performance across the wider team Experience Required Strong background in strategic procurement and category management within engineering, industrial, manufacturing, utilities, infrastructure, or energy environments Experience across categories such as industrial...Remote jobPermanentFlexible hours
$50 - $60 per hour
...0 – $60/hour Commitment: Hourly, ~40 h/week Field: Other Engineering Role Overview: Mercor is looking for industrial and manufacturing... ...students, to support a research project with a leading AI lab. You will work through real process, operations, and production...Hourly payFull-timePart-timeInternshipImmediate start- £43k - £55k per annumEstimated...GE HealthCare seeks a Field Service Engineer to provide onsite technical support for nuclear medicine, CT, and PET imaging equipment across Scotland. The role involves troubleshooting medical devices, collaborating with internal teams, and ensuring customer satisfaction....Remote
£75k - £100k per annum
...change the world, and that's where you come in! As a Production Engineer, you'll be at the forefront of their new groundbreaking project,... ...observability, you'll play a pivotal role in shaping the future of AI, everyone's new favourite toy! Whether that will be developing...Remote jobPermanent£55k - £70k per annum
...Make a positive difference, your engineering skills will contribute to decarbonisation. The mission is simple, net zero as soon as possible. There is only one planet so it is time to make that transition towards greener energy and a more sustainable way of living. You would...Remote jobPermanentImmediate startShift work£85k - £95k per annum
...GCP x AI That is it. That is the post. You cannot miss out on this opportunity in a company that is dedicated to building a zero... ...platform that responds to customer enquiries. Therefore, a Production Engineer is sought after to spearhead the development of robust...Remote jobPermanent$40 - $125 per hour
...Weekly Overview We’re looking for an experienced Validation Engineer to help train AI models. You’ll write hard, verifiable engineering problems... ..., Fusion 360, Onshape, Creo, NX, CATIA, or Inventor), FEA/CFD, or MATLAB/Python for engineering analysis. ~ Strong fundamentals...Weekly payFull-timeRemoteFlexible hours- ...Draft Survey & Cargo Quantity Determination Marine Survey Reporting & Standards About micro1 micro1 is a data lab that helps AI labs & Enterprises train foundational models and agents. We provide frontier evaluations and reinforcement learning environments to improve...Part-timeRemote
- ...nx freecad geometric dimensioning and tolerancing (gd&t) engineering drawing interpretation technical documentation design for manufacturing... ...problem-solving About micro1 micro1 is the leading AI data lab for training frontier models and evaluating AI agents....Part-timeRemote
- £41k - £54k per annumEstimated...Cencora seeks a Project Engineer to support warehouse automation and distribution facility engineering projects. The role involves designing, building, and improving material handling systems, operational processes, and facilities through cross-functional collaboration with...
- £66k - £84k per annumEstimated...Up: Remote (100% remote) Our client in the Information Technology and Services industry is looking for a Senior DevOps / Automation Engineer (IBM Z & Hybrid Platform) to lead automation and DevOps modernisation across IBM Z and distributed platforms. This role will involve...Full-timeHybrid workingRemoteFlexible hours
- £70k - £89k per annumEstimated...manages all applications and next steps. Our partner is looking for an Engineering Manager, Automation Intelligence based in United Kingdom. Lead... ...intelligence platform designed to distinguish legitimate AI agents and automated traffic from malicious bots and other online...Full-timeRemote
$159k - $215k per annum
...other end of a request. Increasingly, the answer is not a person. AI agents, AI assistants, crawlers, headless browsers, and malicious... ...solve. We are standing up a dedicated Automation Intelligence engineering team to own that problem end to end: detection in the browser,...Full-timeVisa sponsorshipRemoteWork from home
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to CFD Engineer - AI Trainer. Be the first to apply!









