**Zertificon** develops B2B software solutions for secure digital communication – made in Germany, GDPR-compliant, and without mandatory cloud usage.

Our customers: businesses, energy providers, public authorities.

Our products: software solutions for email encryption and digital signatures, secure file transfers, and market communication for energy companies.

We’ve been in the market for over 20 years and employ well over 100 people from 30 different nations.

Now we’re looking for you to...

## Sr. Test Automation Engineer (f/m/d) at an established IT-Security Company

Join us as a Senior Test Automation Engineer and be the driving force behind a flawless software. Rapidly develop cutting-edge automation tests to elevate our test coverage, ensuring no regression slips through with every new feature release. Measure and enhance our software's performance regularly, and be the guardian of quality and excellence our customers deserve. Your expertise will be crucial in delivering robust, reliable solutions.

### Responsibilities

- Design, develop, and execute cutting-edge automated software tests, complete with error analysis, assessments, and detailed documentation
- Ensure comprehensive test coverage by testing existing features incrementally and new features in parallel with implementation
- Step in with precise manual tests when automated testing isn't enough
- Collaborate closely with developers and fellow test engineers to devise and implement effective testing strategies
- Identify, report, and track defects, working hand-in-hand with development teams for swift resolution
- Generate clear and insightful test reports, metrics, and documentation to keep stakeholders informed and up-to-date
- Stay ahead of the curve with the latest trends, tools, and technologies in test automation and quality assurance

### **Qualifications**

- Proven experience (min 5 years) as a Software Test Engineer in an agile software development environment
- Excellent skills in ISTQB test specification methods and management, ideally certified
- Strong experience in test automation methods with advanced techniques
- Knowledge of Selenium, Cucumber, and Playwright testing frameworks
- First hands-on experience working with Docker for containerization
- Proficiency in Java and JavaScript, familiarity with Linux and shell scripting
- You have an open and clear communication style and excellent English skills

### Nice to have

- Hands-on experience with test documentation tools like TestRail
- Experience with mobile testing using Appium
- Good German language skills

### **Our offer**

- **Flexible hours** and **home office** options
- **Mobility:** free Germany-wide public transport ticket, bike leasing, or parking
- **Subsidies for meals:** (e.g., delivery services) and home office internet
- **Urban Sports Club membership** for flexible fitness and wellness
- **Office perks:** rooftop terraces & green courtyard, organic fruit and drinks, personal packages accepted at the office
- **Get-togethers:** monthly Pizza Friday, regular team events, big summer party
- **Responsible leadership:** structured onboarding, regular feedback, clear goals
- **Innovative without startup risk:** profitable for 20+ years, self-funded innovation with strong global potential
- **International team:** 120+ colleagues from 30+ countries, open and collaborative culture

### If that resonates with you, we’d love to hear from you.

Want to know more? Please have a look at our Work at Zertificon page: [https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon](https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon)

**Questions?**

You can reach our HR team at

[jobs@zertificon.com](https://mailto:jobs@zertificon.com)