We connect exceptional fractional and freelance professionals with ambitious companies and AI labs.Every missions application can give you access to the 10x platform and they are all outcome-driven. We value execution, ownership, and real-world impact.Explore missions below.Outcome-drivenEvery mission is scoped around real results, not hours logged. You know what success looks like from day one.Access the 10x platformApplying to a mission can unlock access to the 10x platform, our verified network, and future opportunities.Ambitious companies and AI labsWork with teams that value execution, ownership, and real-world impact - from scaling startups to leading AI labs.Senior Infrastructure Optimization Specialist - AI Trainer - Freelance - 8-20 hrs/week - RemoteLocationSpainEmployment TypeContractLocation TypeRemoteDepartmentOperationsCompensationUpdated: 07 July 2026Freelance | 8–20 hrs/week | Remote (EU/UK)Are you an expert in IT infrastructure and optimization, excited to shape the future of artificial intelligence? Do you want to apply your expertise to training smarter AI models while enjoying versátil, remote freelance work? Join 10x Team as a Freelance Infrastructure Optimization Specialist - AI Trainer and help guide the next generation of AI towards real-world efficiency and resilience.About Us:10x Team connects freelance professionals with leading AI labs to develop advanced AI models. We’re seeking experienced infrastructure optimization specialists, based in the EU or UK, to ensure AI-generated recommendations and workflows are technically valid, efficient,



and relevant to real-world practices.Key ResponsibilitiesReview and enhance AI-generated content on infrastructure optimization, systems architecture, and deployment strategiesAssess the technical accuracy, efficiency, and operational viability of AI-driven infrastructure scenarios and recommendationsDevelop practical examples, use cases, and risk assessments drawing from your infrastructure experienceCreate scenario variations for different roles in infrastructure—engineers, architects, and stakeholdersIdentify gaps, inefficiencies, or flawed assumptions in AI outputs and provide detailed, actionable feedbackDirectly impact how AI understands and reasons about infrastructure optimization and operations challengesAbout YouExperienced IT infrastructure specialist, systems architect, or operations lead with a record of optimizing, maintaining, and scaling complex systemsBased in the EU or UKDemonstrated expertise in modern infrastructure strategies, automation, and operational excellenceHighly organized, proactive, and skilled at delivering clear, constructive feedbackAvailable 8–20 hours per week and reliable in communicationWhy Join 10x Team?Flexible, project-based freelance work—100% remoteUse your infrastructure expertise to help build better,



more efficient AI modelsShape AI’s understanding of real-world operational and optimization challengesFree access to our AI Academy for ongoing professional developmentStructured onboarding, concise project briefs, and collaborative environmentPlease note: these AI Lab missions are not traditional job openings with fixed start dates. Project demand is highly dynamic and matching depends on your expertise, availability, and current AI Lab needs. Some experts are matched within days, while others may wait longer for a suitable project.Help shape the future of AI-driven infrastructure optimization—apply today!NOTEAt 10x, there are two types of opportunities:1. Traditional freelance missionsThese are regular project-based opportunities where the listed mission is the actual project you may work on.2. AI Lab rolesFor AI Lab roles, we scout, review, and approve profiles for access to future project opportunities.The missions listed for AI Lab roles are not traditional job openings. AI Lab work is often highly confidential as this exposes information of what an AI Lab is working on, and project requests are unpredictable. When an AI Lab request comes in, we often need to respond within 24 hours with suitable talent.Matching depends on the specific needs of each AI Lab project and your niche expertise. Once your profile is reviewed and approved, you may be matched to relevant AI Lab projects when suitable opportunities arise.This can happen within hours, but it may also take months, depending on the researchers at the AI labs and their project needs.#J-18808-Ljbffr

📌 Senior Infrastructure Optimization Specialist - Ai Trainer - Freelance - 8-20 Hrs/Week - Remote (Valencia)
🏢 10x Team
📍 Valencia