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Senior Infrastructure Optimization Specialist - AI Trainer - Freelance - 8-20 hrs/week - Remote Location Spain

Employment Type Contract

Location Type Remote

Department Operations

Compensation Updated: 07 July 2026

Freelance | 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 flexible, 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 Responsibilities





Review and enhance AI-generated content on infrastructure optimization, systems architecture, and deployment strategies

Assess the technical accuracy, efficiency, and operational viability of AI-driven infrastructure scenarios and recommendations

Develop practical examples, use cases, and risk assessments drawing from your infrastructure experience

Create scenario variations for different roles in infrastructure—engineers, architects, and stakeholders

Identify gaps, inefficiencies, or flawed assumptions in AI outputs and provide detailed, actionable feedback

Directly impact how AI understands and reasons about infrastructure optimization and operations challenges

About You

Experienced IT infrastructure specialist, systems architect, or operations lead with a record of optimizing, maintaining, and scaling complex systems

Based in the EU or UK

Demonstrated expertise in modern infrastructure strategies, automation, and operational excellence

Highly organized, proactive, and skilled at delivering clear, constructive feedback

Available 8–20 hours per week and reliable in communication

Why Join 10x Team?

Flexible, project-based freelance work—100% remote

Use your infrastructure expertise to help build better, more efficient AI models





Shape AI’s understanding of real-world operational and optimization challenges

Free access to our AI Academy for ongoing professional development

Structured onboarding, concise project briefs, and collaborative environment

Please 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!

NOTE

At

10x , there are two types of opportunities:

1. Traditional freelance missions These are regular project-based opportunities where the listed mission is the vigente project you may work on.

2. AI Lab roles For 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.

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📌 Senior Infrastructure Optimization Specialist - AI Trainer - Freelance - 8-20 hrs/week - Remote (Madrid)
🏢 10x Team
📍 Madrid