Software Tester 80 - 100 % (f/m/d)

Hamilton Medical AG; Bonaduz; On-site; CHF 90,000 - 120,000; Full time

Job summary

Hamilton Medical AG in Switzerland is seeking a Test Engineer to develop and maintain test cases for embedded software in medical ventilators. You will plan and execute integration, system, and exploratory tests and collaborate with international development and quality teams.

You should hold a Bachelor's in Computer Science or Embedded Systems, have experience testing embedded devices, and translate requirements into effective tests.

Qualifications

• Bachelor's degree in Computer Science, Embedded Systems, or a related engineering discipline.
• Experience in testing embedded devices.
• Ability to translate requirements into effective tests.
• Passion for systematic testing, defects, and software quality.
• Strong analytical skills and attention to detail.
• Independent, structured, solution-oriented work approach.
• Basic programming skills in an object-oriented language (e.g. C++).
• Good written and spoken English (minimum B2).

Responsibilities

• Develop and maintain test cases based on software requirements.
• Plan and execute integration, system, and exploratory tests.
• Analyze test results, document defects, and verify fixes with developers.
• Create and maintain test documentation per standards.
• Ensure adequate test coverage and clear traceability.
• Contribute to test automation and maintain test environments.
• Keep existing tests reliable and effective through ongoing improvement.
• Collaborate with international development and quality teams.

Skills

Test case design

Integration testing

Exploratory testing

Defect analysis

Test documentation

Automation testing

Traceability

Analytical thinking

Attention to detail

Independent work

English communication

Education

Bachelor's degree in Computer Science or Embedded Systems

Tools

Python

C++

UNIX-like systems

VxWorks

Test automation tools

Job description

For more than 40 years, Hamilton Medical has shaped the future of mechanical ventilation. We develop Intelligent Ventilation solutions that support clinicians in critical moments.

Our Hamilton ventilators are used in intensive care units, during emergency transport, and in MRI environments. They help medical teams care for adult, pediatric, and neonatal patients worldwide.

Here, your work has real impact. Every improvement you make supports better respiratory care for patients around the globe.

How you can make a difference

• Develop and maintain test cases based on software requirements
• Plan and execute integration, system, and exploratory tests
• Analyze test results, document defects, and verify fixes with developers
• Create and maintain test documentation in accordance with applicable standards
• Ensure adequate test coverage and clear traceability
• Contribute to test automation and maintain test environments
• Keep existing tests reliable and effective through ongoing improvement
• Improve testing methods and close collaboration with international development and quality teams

That's what you bring along

• Bachelor's degree or higher in Computer Science, Embedded Systems, or a related engineering discipline
• Experience in testing embedded devices
• Ability to understand requirements and translate them into effective tests
• Passion for systematic testing, finding defects, and improving software quality
• Strong analytical skills and keen attention to detail
• Independent, structured, and solution-oriented approach to work
• Basic programming skills in an object-oriented language (e.g. C++)
• Good written and verbal communication skills in English, with a minimum proficiency of B2

An advantage:

• Experience in medical devices or other safety-critical environments
• Experience with embedded software engineering
• Familiarity with UNIX-like systems or real-time operating systems such as VxWorks
• Experience with test automation and Python
• Written and verbal communication skills in German