Senior Test Automation - Python (f/m/d) – IT Security

Senior Test Automation - Python (f/m/d) – IT Security

Zertificon Solutions – Software Manufacturer since 2004. We are IT security specialists: our products encrypt business communications. We serve over 25% of the 100 highest-revenue companies in Germany and many midsize enterprises. We have growing plans and steady growth. Nearly 120 employees already work with us in Neukölln. Join our highly qualified team: take on challenges, share knowledge, learn new things, and discover your potential!

We keep our job descriptions short and sweet, telling you the most important aspects of the position for you to make an informed decision whether to apply.

Join us as a Senior Test Automation Engineer and be the driving force behind 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‑hand experience working with Docker for containerization.
• Proficiency in Python, Linux, and shell scripting.
• Clear communication style and excellent English skills.

Nice to have

• Hands‑on experience with test documentation tools like TestRail.

What we offer

• Flexible working hours and home office possible.
• Mobility: free Germany ticket, job bike leasing or car parking.
• Allowances for food (e.g. Lieferando) and internet in the home office.
• Benefits in the office: roof terraces & green courtyard, organic fruit and drinks, parcel acceptance.
• Get‑together: pizza Friday in the office, regular team events, big summer party.

Why Zertificon?

Zertificon stands for securing digital business. We develop trusted IT security solutions “Made in Germany” – built for businesses that value both protection and usability.

• Independent & committed: For over 20 years, we’ve built secure communication tools – as an owner‑managed company with a clear stance.
• Purpose‑driven: We believe that digital communication must be secure and free.
• Hands‑on excellence: We take on complex challenges because we can.
• Agile by conviction: We think fast, act pragmatically, and improve continuously. Initiative is welcome – but of course, it will be challenged.
• Security that works: We build software that’s not only secure, but actually usable – for small and mid‑size businesses.
• Diverse & international: Our team of 120 people from 30+ countries shares one mission: making secure digital communication easily accessible.

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

Learn more about our work culture, values and team on the Work at Zertificon page.

Questions?

You can reach our HR team at

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