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  • Solutions
    • Radiation therapy
      Enable the best cancer care, streamline workflows, treat more patients and reduce your development risks and time-to-market with our innovative, integrable software.
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    • Fusion
      Fusion projects are dynamic environments, and success is measured in milestones. Our experts in control, prototyping, diagnostics and subsystems development can help your project stay on track.
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    • Quantum
      Bring your quantum system to the market sooner with our control system components and integration while focusing on core innovation! Industrial quality and dependability hardware and firmware are our business.
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    • Accelerators
      With decades of experience in control systems for all particle accelerator types, we can help you mitigate development risk, shorten delivery time and reduce the total cost of ownership.
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    • Complex medical devices
      Leverage our vast engineering expertise in developing complex medical software to bring your innovative device to the market and patients sooner.
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    • Semiconductor
      Gain some breathing space while shortening development cycles with our advanced software and electronics engineering solutions
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    • Space
      Let us help you develop top-class software systems for your scalable space missions faster, reducing risk and time-to-market in a highly regulated environment.
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    • Astronomy
      Astronomy projects are increasing in cost and complexity while timelines are shortening. You can count on us to provide well-designed, standards-based software to reduce your project's risk.
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Solutions

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Space
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Contribute to advancing humanity

Together, let’s develop solutions that enable organizations to make scientific breakthroughs, offer state-of-the-art cancer treatment and innovative healthcare, and bring clean fusion power to the future energy market. 
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  • Our values
  • Employee testimonials
  • Why join us
  • Recruitment journey
  • Open positions
  • Life at Cosylab

Welcome to Cosylab

Cosylab is home to highly skilled experts from various STEM (science, technology, engineering and mathematics) professions, as well as from diverse business and social sciences backgrounds. We’re passionate about developing cutting-edge solutions that make a real difference and share a common goal: to build genuine, lasting relationships with each other and our clients and to be the best at what we do.

Our solutions power our planet’s most complex devices, such as particle accelerators, large telescopes, fusion reactors, innovative medical devices and cancer therapy systems.

Help us make a lasting impact on humanity

Open positions

Are you looking for a place where you can push science to its limits? A place where you can help make medical devices safer and more effective? Where our goal is nothing short of curing cancer and providing clean energy to the world? Then join us. Bring us your unique perspective and skills to fuel innovation and enhance our dynamic, passionate culture.

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Locations
USA

California, USA

Cosylab USA, Inc.
325 Sharon Park Dr #615
94025 Menlo Park
California
USA

USA

California, USA

Cosylab USA, Inc.
325 Sharon Park Dr #615
94025 Menlo Park
California
USA

Switzerland

Brugg, Switzerland

Cosylab Switzerland GmbH
Technopark Aargau
Badenerstrasse 13
5200 Brugg
Switzerland

Headquarters

Ljubljana, Slovenia

Cosylab, d. d., Control System Laboratory
Gerbičeva ulica 64
SI-1000 Ljubljana
Slovenia
Registration Number: 2161621
Tax ID number: SI55936768

T:
+386 1 477 66 76
F:
+386 1 477 66 10
E (General Queries):
info@cosylab.com
E (Human Resources):
jobs@cosylab.com
China

Suzhou, China

Suzhou Cosylab Control Systems Co., Ltd
Rm A06, 2nd Floor, A1 North Building,
#218 St. XingHu, SIP
Suzhou
China

Japan

Tokyo, Japan

Cosylab Japan Inc.
Jimbocho 101 Building 5th Floor,
1-101 Kanda-Jimbocho, Chiyoda-ku,
Tokyo 101-0051
Japan

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.
our team stories 

What it’s like to work at Cosylab

Cosylab provides an immense opportunity to learn and constantly grow because of the high complexity of the projects we take on and an incredible team.

Nejc Juvan

Medical Sales account Manager

I love working in an environment with such a great atmosphere, amazing people and cutting-edge science.

Tina Vodopivec

Quality Manager, QA in Infrastructure department

Working at Cosylab is a constant learning experience. We have regular lectures on many different topics. Cosylab also supported me when I wanted to attend workshops and conferences so I could develop my career.

Rok Jugovic

Head of Infrastructure department

What I am proud of is that our customers see our people as our most important asset. We highly value our customers’ trust and we try hard to build genuine, long-lasting relationships by recognizing our customers’ needs and delivering quality work.

Ivana Mustać Kostevc

Group Leader in Scientific Department

My best day is every day. I am working on the holy grail of physics (fusion) and not only doing my job, but also creating a livable future for our (grand)children.

Gašper Renko

Control System Engineer, Project Manager, Team Leader in Scientific Services department

Key benefits 

Why join Cosylab?

At Cosylab, you’ll work on purposeful projects in a modern, relaxed environment. Each day brings a new challenge, which you’ll tackle together with supportive colleagues.  You’ll have a clear career path, use cutting-edge technologies, and have plenty of opportunities to grow. You’ll collaborate in a hybrid work model with flexible working hours and enjoy unique perks and benefits.
Purposeful, interesting and dynamic work

A high-tech company with renowned customers from all over the world, working on projects that advance humanity.

An international team of friendly colleagues

A diverse team from more than 25 countries, who communicate openly and are willing to help each other.

Remarkable engineering expertise

In unique, cutting-edge technologies such as EPICS, LabVIEW, C, C++, Java, Python, FPGA, WinCC OA, Qt, CSS, Tango, OPC-UA, ZeroMQ, OMG DDS, and many others.

Clear career paths and regular training

Personal and professional development opportunities, mentoring programs and internal academies.

Personal and professional growth opportunities

A dynamic business environment and an agile organization offer unlimited possibilities and a never-ending supply of new challenges.

Work-life balance

Flexible working hours and a hybrid workplace where employees can give their best by working according to their personal, team or project needs.

Global work opportunities

Developing complex solutions for our renowned clients opens the possibility of working on their premises or in one of our subsidiaries.

An attractive package of perks and benefits

Cosylab events, sports activities, coffee, soft drinks, fruit, table football, billiard and more.

Cosylab holds the “Socially Responsible Employer” certificate from Ekvilib Inštitut, based on the guidelines of the international standard for social responsibility, ISO 26000.

I try to give people what I wanted for myself when I was in their place: a good job, freedom of choice, interesting work full of challenges and a mission to contribute to society’s progress and humanity.
Mark Pleško, Co-founder and CEO, Cosylab

Discover our work environment

Let’s create a better tomorrow.

We’re here to help you unlock your true potential. Find your next career challenge here. We can’t wait to hear from you.

Open positions

Your recruitment journey

1.
Your job application

We’ll review your application and get back to you as soon as possible.

2.
Meetings with HR and Hiring Manager

Meeting with an HR representative to get to know each other and see if our expectations align, followed by an in-depth conversation with the hiring manager to discuss your skills, experience, and ambitions.

3.
Job-related task

You’ll apply your technical or other skills to a specific task, and get a feel for our industry and work.

4.
Personalized offer

If we’re a good match, we’ll discuss the final details.

5.
Welcome and tailored onboarding

Receive a warm welcome to the team and embark on a tailored onboarding journey, working closely with your mentor and colleagues from day one.

Open positions

We’re looking for individuals with diverse knowledge and experience searching for a new opportunity to challenge themselves in a demanding and rewarding career.

Software Engineer (m/f)

Ljubljana, Slovenia
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Tech Lead – Software Development (m/f)

Ljubljana, Slovenia
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HR Specialist (m/f)

Ljubljana, Slovenia
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Regional Sales Manager – USA (RT/PT Domain) (m/f) 

USA
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Regional Sales Manager – Europe (RT/PT Domain) (m/f) 

Ljubljana, Slovenia
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Regional Sales Manager – APAC (RT/PT Domain) (m/f) 

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Life at Cosylab

We’re looking for individuals with diverse knowledge and experience searching for a new opportunity to challenge themselves in a demanding and rewarding career.

23.04.2025

Controlling the Future of Accelerators: Meet Cosylab at IPAC 2025 in Taipei!

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10.04.2025

PTCOG 63 – Meet us in Buenos Aires!

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Cosylab-HQ-in-Ljubljana-hosts Australian-Ambassador HE Ian Biggs

27.03.2025

Cosylab welcomes Australian Ambassador

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20.03.2025

Cosylab, AICEP, and SPIRIT explore future European collaboration

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News & events

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