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

Posted Sep 05, 2025

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Zertificon Solutions GmbH

BerlinRemote

EnglishFixed-term contractGerman B1–B2

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Salary (estimate)

Broad estimate: about €55,000/year

About this job

*Zertificon Solutions – Software Manufacturer since 2004.**

We are IT security specialists: our products encrypt business communications. More than 25% of the 100 highest-revenue companies in Germany, as well as hundreds of medium-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 130 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential!

## Sr. Python 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 Python, Linux and shell scripting
You have an open and clear communication style and excellent English skills

Hands-on experience with test documentation tools like TestRail
Good German language skills

**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)

You can reach our HR team at

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Job facts

Employer: Zertificon Solutions GmbH
Role: Sr. Test Automation Engineer - Python (f/m/d) at an established IT-Security Company
City: Berlin
Work mode: Remote
Language: English
Seniority: not stated
Posted: Sep 05, 2025
Source: Bundesagentur für Arbeit

Company rating

Glassdoor 2.5
9 reviews
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Kununu 3.7
40 reviews
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