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

Hamilton Medical; Bonaduz; On-site; CHF 90,000 - 125,000; Full time

Job summary

Hamilton Medical seeks a QA/Test Engineer to develop and maintain test cases for embedded devices, plan and execute integration and system tests, and verify fixes with developers. You will document tests, ensure traceability, and contribute to test automation while collaborating with global development and quality teams.

The role requires a bachelor’s degree in a relevant field, hands-on testing of embedded hardware/software, and strong English communication.

Qualifications

• 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

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 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

Skills

Test design

Test execution

Defect tracking

Automation

Test documentation

Traceability

C++ (basic)

English B2

Education

Bachelor's in Computer Science/Embedded

Tools

Python

UNIX-like systems

VxWorks

Git

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

Do you share our values and feel at home in a cooperative, innovative, and down-to-earth environment? At Hamilton, we not only offer a motivating working environment, but also purposeful work and modern working conditions. Our interactions at eye level encourage open communication and a pleasant working environment. Become part of a team where your skills are valued and innovative ideas are fostered.