> Markdown version of [/jobs/ext/4664976-qa-automation-and-devops-engineer](https://www.wearedevelopers.com/jobs/ext/4664976-qa-automation-and-devops-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # QA Automation and Devops Engineer - **Company:** Infinity GmbH & Co. KG - **Location:** München, Germany - **Experience:** Expert - **Salary:** €130,000 - €135,200 - **Contract:** Permanent contract - **Skills:** Automation of Tests, Continuous Integration, Software Debugging, Linux, DevOps, Fuzz Testing, Protocol Buffers, Hardware-In-The-Loop Simulation, Python (Programming Language), PostgreSQL, Message Queuing Telemetry Transport (MQTT), NumPy, SciPy, Universal Asynchronous Receiver/Transmitter, Virtualization Technology, Backup and Restore, Pytest, Gitlab-ci, Kubernetes, Playwright, Restful APIs, Docker, Vulnerability Analysis - **Published:** November 11, 2026 - **Apply:** https://www.adzuna.de/details/5960623791 ## About the Role * Python and pytest automation * REST API, PostgreSQL and migration testing * MQTT/Sparkplug B and Protocol Buffers contract testing * Hardware-in-the-loop: flashing, debug probes, UART, power cycling * NumPy/SciPy reference comparison for measurement data * Fault, recovery, load and long-run testing * GitLab CI integration * Linux, * Virtualization (Docker/Docker Compose, Kubernetes) * CI/CD (GitLab CI, artifact repositories, protected release workflows) * Embedded cross-build and hardware runners * Dependency and toolchain pinning, multi-repository release manifests * SBOM (SPDX/CycloneDX), licence and vulnerability scanning * Signing processes and secret handling * Offline installation, authenticated update bundles, backup and restore * Nice to have: Coverity / Black Duck, PKCS#11-backed signing Playwright, network fault injection, fuzzing, embedded coverage tools