About the Position

Senior PLC Engineer (Beckhoff TwinCAT & Motion Control)

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.

Responsibilities

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

Requirements

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).
Practical experience with, and strong knowledge of object-oriented programming concepts.
Experience with real-time PLC applications and fieldbus systems (e.g., EtherCAT).

Education

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

Nice to Have

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

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, additional health insurance (Specialists+), unlimited coffee, soft drinks, fruit, and other well-being goodies.
Cosylab events (Teambuilding, New Year’s Party, Picnic … ).

About the Company

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

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 PLC Engineer (Beckhoff TwinCAT & Motion Control) by Monday, 13 July, 2026

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

Thank You