Senior CNC Machinist

About Stark

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Stark builds the world’s most powerful electric motorcycles. From the VARG MX to the road‑legal VARG EX & SM, our bikes have won world championships and are engineered to outperform anything with a combustion engine.

We’re based in Sant Boi, Barcelona, growing fast (77% year‑on‑year), and building a team that will take us even further. If you want to work on a product that people are genuinely obsessed with, this is it.

Stark will become the global market leader in premium motorcycles. Building premium motorcycles requires innovation and we need your help to make us succeed.

Our mission is to lead the way towards a sustainable motorcycle industry, by reducing plastic and CO2 pollution.

This will be achieved by building sustainable products that are superior to traditional technology in terms of Performance, Emotion and Design.

The Role

As part of the Stark Prototyping team, you’ll build our CNC machining capability from scratch — turning CAD models into precision parts for prototype development and spare parts for our assembly lines. You’ll get hands‑on with aluminium, stainless steel, titanium, magnesium and technical polymers, owning each part from raw material to assembly‑ready finish, and putting in place the workflows, tooling and standards our machining operation will run on going forward.

What You’ll Do

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• Set up and run the end‑to‑end workflow for prototype and spare‑parts manufacturing — from CAD model to finished, assembly‑ready part.
  
• Manage the full manufacturing process: production orders, CAM or on‑machine programming, raw material procurement, machine setup and part production.
  
• Design, specify and implement tooling and fixtures tailored to each part’s technical requirements.
  
• Work closely with Engineering, Design, Quality and Production to define the right method and specs for every component.
  
• Maintain full traceability on every part you produce, and keep the machine‑tool library and inventory up to date.
  
• Own preventive maintenance and the correct use and replenishment of operational fluids.
  
• Push process improvements that raise quality and cut cost, keeping manufacturing in‑house wherever possible.
  

What you will bring to Stark

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• Solid hands‑on experience as a CNC machinist, with CAM programming and/or on‑machine (conversational) programming.
  
• Comfortable machining a range of materials — aluminium, stainless steel, titanium, magnesium and technical polymers — to tight dimensional tolerances and finish quality.
  
• Experience designing or specifying tooling and fixtures, not just running existing programs.
  
• A cost‑ and quality‑conscious mindset — you look for ways to cut cycle time and material cost without touching spec.
  
• Comfortable owning a process end‑to‑end and building it from scratch, rather than maintaining an existing one.
  
• A strong cross‑team collaborator — you’ll work daily with Engineering, Design, Quality and Production.
  

Why work with us?

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• The chance to work on a product people are genuinely passionate about
  
• A fast‑growing company with real momentum
  
• A creative, international team based in Barcelona
  
• Competitive salary and benefits package
  
• Direct access to riders, race teams, and the product — this is not a remote‑from‑the‑product role
  
• Subsidised lunch in our in‑house restaurant
  
• Free access to our in‑house gym (including weekends!)
  
• 30 days of paid vacation
  

Inclusivity & Accessibility

At Stark, we don’t just accept difference—it celebrates it, supports it, and thrives on it for the benefit of our employees, our products, and our community.

We are committed to creating an inclusive environment where everyone, regardless of gender identity, sexual orientation, race, religion, age, neurodiversity, or disability, feels a true sense of belonging. We believe that diverse teams make better decisions and that a culture of equity is a prerequisite for innovation. xghoner

Accessibility: If you require any reasonable adjustments during the application or interview process (such as assistive technology, extra time, or a specific format), please let us know at We are here to support you.

We encourage applications from underrepresented groups and are excited to see how your unique perspective can help us grow.

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