Lead Mechanical Engineer

Help us accelerate the transition to sustainable mobility!

At Rocsys, we are accelerating the transition to sustainable mobility by making electric vehicle charging easier and more scalable. We build autonomous charging robots that enable electric vehicles to connect and charge without human intervention. By combining soft robotics, computer vision, and intelligent software, our technology helps fleets electrify faster and operate more efficiently.

As a Lead Mechanical Engineer, you will play a key role in designing and developing the next generation of Rocsys products.

You will turn innovative concepts into reliable, production-ready hardware and contribute directly to the technology that is shaping the future of electric mobility, ensuring that Rocsys continues to deliver reliable solutions that support the transition to sustainable mobility.

This is a unique opportunity to join a fast-growing high-tech scale-up where you can make a visible impact, take ownership, and contribute to building the future of mobility.

Who we are

Rocsys is an international team of engineers, developers, and business professionals working together to transform the future of mobility.

Our headquarters are located in the Netherlands, with a team in Portland (US). We combine the energy and ownership of a scale-up with the ambition to solve complex technical challenges that matter.

We believe great products are built by great teams. That means collaborating openly, learning continuously, and bringing different perspectives together to create better solutions.

Your impact as Lead Mechanical engineer

As Lead Mechanical Engineer you will own the mechanical system. From early concepts to prototypes and prototypes to production ready designs, you ensure our products are robust, reliable, manufacturable and scalable. You will rapidly prototype, iterate and test physical designs, while managing external engineering partners.

You will work closely with product management to align engineering priorities and anticipate the latest insight from customers.

You will join the Mechanical engineering Team and you will be reporting to the Team Lead Mechanical engineering . I n your daily work, you will collaborate with colleagues from Electrical engineering, Software engineering, Manufacturing and Supply chain teams.

Together, you will help build and improve the capabilities that enable Rocsys to scale.

In this role, you will
• Design and develop innovative hardware

-Own the mechanical system design, development, and optimization of one of Rocsys' core products.

-Generate new concepts and develop them into detailed designs, prototypes, and production-ready solutions.

-Develop robust mechanical solutions, including mechatronic components such as actuators and sensors.

-Support prototype builds, testing, validation, and continuous improvement based on test results.
• Improve reliability and scalability

-Drive improvements in product reliability, performance, cost, and manufacturability.

-Apply Design for Manufacturing (DFM) and Design for Assembly (DFA) principles and work with manufacturing and supply chain teams to ensure designs can be produced efficiently at scale.
• Collaborate and contribute to engineering excellence

-Align on requirements and priorities with product management and give input to project management on planning.

-Work closely with cross-functional teams to ensure smooth integration between mechanical, electrical, and software components.

-Distribute work and coordinate with external engineering partners when additional expertise or capacity is needed.

-Contribute to improving engineering processes, technical standards, and ways of working within Rocsys.

What you bring to Rocsys

You are an experienced Mechanical Engineer who enjoys working in a dynamic environment where technology, collaboration, and ownership come together.

You are motivated by bringing innovative products from idea to reality and solving complex technical challenges and you are excited to contribute to building solutions with real-world impact.

Essential:

Bachelor's or Master's degree in Mechanical Engineering or equivalent experience.

7+ years of professional experience in mechanical product development.

Experience taking products from concept through prototyping, testing, and into production.

Strong experience with 3D CAD design (SolidWorks experience preferred).

Experience designing mechanical and/or mechatronic systems.

Solid understanding of manufacturing processes and design considerations for production.

Experience working with prototypes, testing, validation, and design improvements.

Experience coaching or mentoring other engineers.

Nice to have:

Experience with sheet metal design, welding and plastic components.

Experience applying Design for Manufacturing (DFM) and Design for Assembly (DFA) principles.

Experience with simulation tools such as SolidWorks Simulation.

Experience working in robotics, automotive, or other high-tech product environments.

Your way of working
• Structured, proactive, and able to take ownership.
• Comfortable collaborating with different disciplines.
• Hands-on and solution-oriented.
• Curious, open-minded, and eager to learn.
• Strong communication skills.
• Motivated by working in a growing, international scale-up environment.

Don't meet every single requirement? We encourage you to apply. We value potential, curiosity, and a willingness to learn alongside experience.

What we offer

At Rocsys, you get the opportunity to work on technology that contributes to a more sustainable future while growing together with an ambitious scale-up.

We offer:
• A meaningful role where your work contributes directly to accelerating sustainable mobility.
• The opportunity to work in a unique high-tech scale-up environment.
• A collaborative and informal culture with passionate colleagues.
• Plenty of freedom, ownership, and room to bring your ideas.
• The chance to build and improve products, processes, and ways of working as we continue to grow.
• Strong opportunities for personal and professional development.
• A one-year employment contract, with the intention to offer a permanent contract after successful collaboration.
• A 32-40 hour work week with flexible working hours.
• A hybrid working model.
• A competitive salary range of 6000-7500€.
• Employee stock option plan.
• 25 vacation days, with the option to purchase 5 additional days.
• Bicycle plan.
• Free daily vegetarian lunch at the office.
• Wednesday afternoon drinks.
• An easily accessible office in Rijswijk.

*This role is based in the Netherlands. Applicants must currently reside in Europe and be legally authorized to work within the European Union.

Our company values

We own it!
Relentlessly Inventive
People with Passion
Leave a Better Planet

We are keen to get to know you! Apply with your CV and a few words on why you would like to join Rocsys. We look forward to your application!

Lead Mechanical Engineer

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