Junior process engineer

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.

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
We’re looking for a Junior Process Engineer to help us build world‑class manufacturing processes from the ground up. You’ll design fixtures and tooling, develop assembly workflows, and work side‑by‑side with our design and operations teams to ensure every Stark motorcycle is built to the highest standard—fast, precise, and right the first time.

What You’ll Do

Design fixtures, jigs, and tooling for machining and assembly processes, with a focus on manufacturability, ergonomics, and precision.

Lead and coordinate supplier projects for the development of assembly benches and workstations.

Develop process flows and draft work instructions for manufacturing and assembly operations.

Manage procurement activities and coordinate with external suppliers for tooling and equipment.

Drive continuous improvement initiatives in close collaboration with design engineering and operations.

What You Will Bring To Stark

Degree in Mechanical, Industrial, or Manufacturing Engineering (or related field).

1–3 years of experience in process engineering, with hands‑on involvement in mechanical, machining, or assembly environments.

CAD modelling capability – PTC Creo preferred, but SolidWorks, CATIA, or Fusion 360 also work.

Experience designing or specifying fixtures, jigs, or tooling.

Ability to read and interpret technical drawings, tolerances, and assembly documentation.

Strong communicator, comfortable coordinating with suppliers and cross‑functional teams.

Spanish required, English is a plus.

Bonus: background in automotive, motorsport, or cycling; experience with Lean/5S; familiarity with ERP or PLM systems; PFMEA knowledge; or participation in Formula SAE / MotoStudent.

Why Work with Us?

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.

At Stark, we don’t just accept difference—we celebrate it, we support it, and we thrive 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. xpzdshu

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 under‑represented groups and are excited to see how your unique perspective can help us grow.

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