Who We Are

Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership so that open societies can continue to make sovereign decisions and control their ethical standards.

The role

As a Mechanical Design Engineer, you will play a key role in the design and development of our robots. You will be responsible for creating robust and efficient mechanical mechanisms, assemblies, and systems that integrate with advanced robotic technologies. This is an exciting opportunity to work with a multidisciplinary team of engineers, bringing together expertise in mechanical, electrical, and software engineering.

Day-to-day responsibilities

- Design and develop mechanisms, systems, and electromechanical assemblies for robotic applications, including structures, actuators, and motion systems.
- Collaborate closely with the electrical and software engineering teams to ensure seamless integration of mechanical designs into complete robotic systems.
- Prototype, test, and iterate on mechanical designs to meet performance, cost, and manufacturability requirements.
- Analyze project specifications, materials, and manufacturing methods to ensure that designs meet both functional and production objectives.
- Use CAD tools (SolidWorks) to create detailed designs, 3D models, and engineering drawings.
- Participate in design reviews, contributing innovative solutions and improvements.
- Conduct simulations, stress analysis, and FEA to ensure reliability, durability, and safety of the designs.
- Provide technical support and troubleshooting during product development and manufacturing processes.




- Stay up-to-date with the latest developments in robotics and mechanical design to incorporate cutting‑edge technologies into our products.

Qualifications / What you should apply if you

- Hold a bachelor’s degree in Mechanical Engineering or related field (Master’s preferred).
- Have 3+ years of experience in mechanical design, preferably in robotics or automation.
- Are proficient with CAD software (ideally SolidWorks).
- Have a strong understanding of mechanical principles, including statics, dynamics, and material properties.
- Have experience with FEA, simulations, and mechanical stress analysis tools.
- Have hands‑on experience with prototyping and testing.
- Are familiar with manufacturing processes such as CNC machining, 3D printing, sheet metal manufacturing and injection molding.
- Have excellent problem‑solving skills, with the ability to work independently and within a team.
- Have strong communication and collaboration skills to work with cross‑functional teams.
- Have experience with robotics, automation, or mechatronics systems is highly desirable.

Why join Helsing

- Contribute directly to the protection of democratic countries while balancing ethical and geopolitical concerns.
- Work in a domain with highly unusual technical requirements where robustness, safety,



and ethical considerations are vital.
- Collaborate on cutting‑edge technologies such as reinforcement learning, distributed systems, generative AI, and deployment infrastructure.
- Be part of a rapidly growing company that has already secured significant government contracts.
- Enjoy a culture that encourages responsible autonomy, critical thinking, and ownership of outcomes.

What we offer

- Competitive salary and VSOP options
- Relocation support: up to €2,500 and 4 weeks temporary accommodation
- Learning allowance: €500/£450 yearly
- Health & wellness: gym membership and mental health support (Nilo.health)
- Social: regular company events and monthly social allowances
- Enhanced parental leave: 22 weeks fully paid for primary caregivers & 6 weeks for secondary caregivers
- Family support: 5 days of paid family emergency leave, 100% remote work option during pregnancy and phased return to work
- Hands‑on onboarding program (“Infraduction”) to build tooling and applications across the company.

Equality and privacy statement

Helsing is an equal opportunities employer. We are committed to equal employment opportunity regardless of race, religion, sexual orientation, age, marital status, disability or gender identity. Please do not submit personal data revealing racial or ethnic origin, political opinions, religious or philosophical beliefs, trade union membership, data concerning your health, or data concerning your sexual orientation.

Helsing's Candidate Privacy and Confidentiality Regime can be found here.

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📌 Mechanical Design Engineer - Robotics (Barcelona)
🏢 Helsing
📍 Barcelona