At Voltrac, we are on a mission to strengthen Europe’s food security and defence with an autonomous electric tractor to free farmers from drudgery and keep soldiers out of harm’s way. The 3.5‑tonne platform is currently being tested at vineyards, olive orchards and citrus groves across Spain – check out our website to see it in action. We are about to scale manufacturing to 100 units yearly, and are looking to match sales accordingly.

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As part of this scaling effort, we are looking to strengthen our engineering team. You’ll work closely with the founders and contribute to every stage of product development: from understanding end‑user needs through to prototyping, manufacturing, and scaling for market adoption. Within 12 months, the aim is to evolve from first customer delivery to regular production. If you’re driven by curiosity, thrive in tackling hard engineering problems, and are motivated by building real‑world impact with a mission‑driven team, this role could be a great fit.

Who we are

Voltrac was founded by Francisco Infante Aguirre and Thomas Hubregtsen in 2024. Francisco used to build hydrogen‑powered supersonic planes at Destinus and heavy‑lifting eVTOLs at Volocopter, but comes from a family that builds and sells tractor implements in over 25 countries. Thomas accelerated Machine Learning using GPUs, TPUs, and Quantum Computers at Google X, IBM and BMW, and started San Francisco‑based Extropic introducing Thermodynamic computers, before taking his first job on a farm. Together, they set their sights on shaking up the market, competing directly with incumbents and startups alike. They are supported by investors such as Extantia, Foodlabs, Antler, Push and Prototype,



who together committed a total of €9 M in funding. With these resources, they opened a 1200‑m² facility in Valencia, including 300 m² of natural‑light office and a 900 m² workshop. Valencia is consistently voted as one of Europe’s top places to live because of its low cost of living, excellent climate and vibrant historic centre. The team is young, comes from diverse backgrounds and loves team BBQs, but shares one aim: shape Europe’s agriculture and defence with machines that do real work.

Tasks

You’ll take ownership of projects from concept to production – including hands‑on prototyping, detailed design and rigorous testing. The role spans a broad range of responsibilities and requires close collaboration with teams across R&D;, manufacturing and QA. More specifically, you will:

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- Use CAD, FEA and engineering calculations to develop robust mechanical designs.

- Perform analysis and testing to validate and optimise system performance.

- Interface with suppliers and manage procurement for prototyping and production.

- Work in close collaboration with electronics, mechatronics and software teams to bring prototypes to life.

- Lead field testing and iterate functional prototypes.

- Optimise tools, processes and designs for serial production.

Requirements

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- Degree in Mechanical or Aerospace Engineering (or equivalent practical experience).

- Demonstrated experience in hardware development, with a track record of taking designs from idea to reality.

- Strong problem‑solving and analytical skills with a hands‑on, pragmatic mindset.

- Clear communicator with collaborative instincts, especially in multidisciplinary environments.

Benefits

We offer a very competitive base salary, equity participation plan, aid in relocation and sales bonuses. xhfqzwm Most importantly, we want to offer perks that are important to you. We’d love to hear what you value!

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📌 Senior Mechanical / Aerospace Engineer (Valencia)
🏢 Voltrac
📍 Valencia