C++ Developer in Test for Cyber Security Solution in R&D

Job ID

473449

Posted since

08-Sep-2025

Organization

Mobility

Field of work

Research & Development

Company

Siemens Mobility, s.r.o.

Experience level

Mid-level Professional

Job type

Full-time

Work mode

Hybrid (Remote/Office)

Employment type

Permanent

Location(s)

• Prague - Praha
• Hlavni mesto - CZECH REPUBLIC

What does your future team look like?

The team has four developers, three testers, a scrum master, and a technical product owner who are all working together as an agile scrum team. They work together with other Prague teams to develop a new cyber-security platform that will be eventually used in all devices across Siemens Mobility. It is their job to make sure that all devices which control trains cannot be vulnerable to cyber-security attacks.

It is all based on Debian GNU/Linux and our applications for security and diagnostics features are written in C++. We have a fully established CI process using Gitlab CI for our automatic tests and build. While working with us, you might also encounter technologies such as Python (for scripting and testing), Rust (for our latest applications), Bash, gRPC, cpputest, systemd, boost and many cyber-security topics such as PKI certificates, TLS (with openSSL), signatures and security hardening.

What will be your task?

• Development of automatic tests of software components
• Development of software integration (black-box) tests
• Cooperation on analyzing use-case scenarios, software design and requirements for SW components
• Identification of edge cases, test scenarios and potential functional and security issues
• Design and set-up of test environment
• Test results analysis and cooperation on bug fixing with developer
• Implementation and automation of supporting tools
• Creation of documentation

What do you need to become a part of our team?

• You can develop in C++
• You have experience with Linux environment and virtualization
• Knowledge of Python
• You can speak English and Czech
• Real focus on quality

What would we appreciate if you have extra?

• Experience with principles of software testing (e.g. ISTQB)
• Knowledge of Git/GitLab, DOORS, CppUTest / GoogleTest
• Experience with QA tools
• Experience with debugging

Join us and enjoy the following benefits:

• Interesting R&D projects implemented in cooperation with foreign development centers of Siemens Mobility
• Joining bonus of CZK 50,000
• A personal annual budget of CZK 34,000 or CZK 58,000 (depending on role seniority), which you can use in our cafeteria in the categories of "My Health", "My Well-Being", "My Finances"
• Up to 33 days of vacation for your rest and regeneration
• Fully paid e-meal vouchers by the employer in the amount of CZK 116.20/day
• Possibility of working from home (with contribution) for a better work-life balance
• Flexible working hours (fixed part from 10 a.m. to 2 p.m.)
• A company kindergarten (contributed by the employer) near the workplace in Prague and Ostrava
• Opportunity to become a Siemens shareholder and get free shares
• A wide range of educational and development programs with an emphasis on supporting expert development
• Possibility of language courses at the workplace paid by the employer
• An ergonomic workplace for your health and comfort
• Attractive discounts or special offers (discounts on cars, bank products and more)
• Assistance program (personality and psychological counselling) not only for your mental well-being

And that's not all. What other benefits you can expect? Click here.

Is your CV not ready or do you need more information? Contact me at or on LinkedIn, where I share more about current company activities and our projects. I will be happy to add you to my contacts for potential future cooperation

We believe that our success lies in our people – a team of talented and passionate professionals who share values and are motivated by a common goal. Join us Find out what our employees say about us – check our Atmoskop

Please, kindly note, that we are currently accepting for our open roles only candidates, who can start immediately, which means they are eligible to work in the Czech Republic.