Senior Controls Engineer (Beckhoff TwinCAT & Motion Control)

About the role

Cosylab’s team, working on control systems for accelerators and complex medical devices for radiation therapy, is looking for a new team member.

As a Senior Controls Engineer, you will primarily work with Beckhoff TwinCAT and motion control, strengthening our PLC team and eventually taking on technical ownership of challenging projects in the medical domain. Your work will directly contribute to systems where precision and reliability are essential.

Working on innovative scientific and technological achievements can be both personally and professionally enriching. You will have the opportunity to contribute to projects that have the potential to change the world and make a real impact on society.

Key tasks and responsibilities

Developing PLC software solutions in TwinCAT.
Analyzing requirements, proposing technical solutions.
Write clean, readable, and well-structured code.
Documenting and thoroughly testing your work.
Collaborating with the client and the internal teams.
Gradually take on technical ownership of projects, delegate tasks, and mentor colleagues.

Required qualifications and skills

Proven experience in Beckhoff TwinCAT 3 programming and deployment.
Strong understanding of motion control systems (servo drives, axes synchronization, kinematics).
Proficiency in structured text (ST) and object-oriented programming concepts in TwinCAT.
Experience with real-time PLC applications and fieldbus systems (e.g., EtherCAT).
Strong communication and interpersonal skills with the ability to build strong relationships and collaborate effectively with internal and external stakeholders.

Education

B.Sc. in Electrical Engineering, Computer Science, Physics, Mathematics, or other related technical disciplines.
Fluency in spoken and written English.

Bonus points if you have

Ability to read and interpret electrical and mechanical schematics.
Familiarity with industrial automation safety standards and debugging tools.
Knowledge of scripting and higher-level programming (Python, C#, …).
Experience with GIT.
Experience in collaboration in pre-sales engineering.

What we offer

Employment contract for an indefinite period with a six-month probationary period.
A work environment with flexible working hours and a hybrid work model.
Plenty of personal and professional growth opportunities combined with a competitive and periodically updated salary tailored to your skills, experiences, and results.
Interesting work full of challenges in an international working environment.
Opportunities to work abroad.
High-impact learning culture: regular in-house and external training sessions and a team of international professionals eager to help you grow.
Many recreational after-work activities, unlimited coffee, soft drinks, fruit, and other well-being goodies.
Cosylab events (Teambuilding, New Year’s Party, Picnic … ).

Why join Cosylab?

We are the leading software solutions provider for the world’s most complex, precise, and advanced systems, such as particle accelerators, large telescopes, fusion reactors, innovative medical devices, and cancer treatment systems. Our technology enables organizations to make scientific discoveries, offer the most cutting-edge cancer treatments, innovate in healthcare, and introduce clean fusion energy to future energy markets.

Working at Cosylab is a great opportunity to discover genuine teamwork and collaborate with experts from the world’s most important research projects. We value and strive to achieve good interpersonal relationships and try to ensure the pleasant well-being of all our employees. We are friendly, proud to work together, and able to develop just about any solution we put our minds to.

Cosylab culture

Our values

We offer the best solutions for ambitious businesses.

Think bold

We deliver exceptional solutions through courageous thinking, open communication and the drive to continuously improve.

Be modest

We set our egos aside in actively listening, respecting one another, and embracing the diversity of experience and perspective across the company.

Work smart

We know we get more accomplished by working together, being accountable, focusing our efforts and going the extra mile.

Enjoy life

We prioritize balance and positivity, nurturing personal wellness and celebrating successes.

Do good

We support one another and are passionate about solving the difficult problems that ultimately help make the world a better place.

Discover our work environment

Apply for Senior Controls Engineer (Beckhoff TwinCAT & Motion Control) by Monday, November 3, 2025

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

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Thank you

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

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