Test Engineer

citema systems GmbH

Test Engineer developing hardware-in-the-loop test environments for aviation software integration. Working on CI/CD pipelines and test automation in a collaborative team environment.

Posted 7/21/2026full-timeBerlin • 🇩🇪 GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing Hardware-in-the-Loop (HiL) test environments and automating test procedures, with a strong foundation in CI/CD pipeline implementation and low-level software development. Proficient in integrating components into airborne radio systems and conducting thorough testing and documentation in collaboration with cross-functional teams.

Highest-signal resume keywords

Hardware-In-The-Loop (HiL) TestingCI/CD Pipeline DevelopmentTest Automation FrameworksC/C++ ProgrammingGerman Language Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Low-Level Software DevelopmentTest Case DefinitionRoot-Cause AnalysisMicrocontroller DevelopmentSoC TestingRF/Wireless TechnologiesCMakeLinux ProficiencyGit Version ControlData Transmission Knowledge

Tools & Technologies

GitLab CI/CDDockerPodmanOscilloscopesSignal GeneratorsSpectrum Analyzers

Industry Keywords

Mobile CommunicationsISO/OSI Reference ModelTest FrameworksMeasurement Instrument Automation

Tech Stack

Tools & technologies

DockerLinux

About the role

Key responsibilities & impact

Develop and build new Hardware-in-the-Loop (HiL) test environments for software integration and testing
Continuously enhance test frameworks to automate test procedures
Design and implement CI/CD pipelines using GitLab CI/CD
Integrate individual components and modules into complete airborne radio systems in close coordination with hardware and software developers
Perform troubleshooting and root-cause analyses together with hardware and software teams
Define test cases, create test procedures, and evaluate test results
Document results in close collaboration with hardware and software teams
Connect and automate measurement instruments such as oscilloscopes, signal generators, and spectrum analyzers within test environments

Requirements

What you’ll need

Degree in Computer Science, Electrical Engineering, or equivalent qualification
Experience in low-level/hardware-near software development and testing of complex systems (e.g., microcontrollers, SoCs, or RF/wireless technologies)
Solid knowledge of mobile communications, particularly data transmission, networks, and the ISO/OSI reference model
Ideally, experience in test automation and in developing test frameworks
Proven experience building CI/CD pipelines with GitLab CI/CD and knowledge of container technologies (e.g., Docker or Podman)
Good programming skills in C/C++ and experience with CMake
Confident with Linux and version control systems such as Git
Very good spoken and written German for communication with German-speaking customers.

Benefits

Comp & perks

Active participation in innovative future technologies
Flexible new-work model with hybrid working options
Permanent employment contract
Givve-Card as a tax-free company benefit
Maximum decision-making authority and freedom to shape your work
Individual career planning and development opportunities
Knowledge transfer and synergy effects through a strong team
Technological variety with exciting insights into safety-critical systems
Challenging work that is truly rewarding!