Principal Software Test Engineer - Ethernet Switch Firmware

Infineon Technologies AG; Ettlingen; Vor Ort; EUR 120.000 - 170.000; Vollzeit

Zusammenfassung

Infineon Technologies AG in Ettlingen is seeking a Principal Software Test Engineer for Ethernet Switch firmware to shape verification strategy and drive automated testing across PTP, MACsec, and TSN features. You will architect test frameworks, perform root cause analysis, and mentor engineers while aligning with ASPICE and ISO 26262 processes to ensure robust releases.

Join a global leader in semiconductors, collaborate with cross-functional teams, and contribute to safe, reliable networking

Qualifikationen

• Bachelor’s or Master’s degree in computer science or Electrical Engineering or a related field.
• 8+ years in software testing, firmware verification, or embedded networking validation.
• Experience with Ethernet Switch firmware verification strategies and test architectures.

Aufgaben

• Define and evolve verification and validation strategies for Ethernet Switch firmware.
• Architect and maintain automated test frameworks and validation environments.
• Design and execute automated functional, integration, system, and reliability tests.
• Analyze test results, perform root-cause analysis, and support release readiness.
• Collaborate with firmware developers, system architects, and safety engineers; mentor test engineers.

Kenntnisse

Ethernet testing

Automation testing

Python scripting

Embedded networking

ISO 26262

ASPICE

CI/CD

Wireshark

Ausbildung

Bachelor or Master in CS/EE

Tools

PyTest

Linux

Git

Jenkins

GitLab CI

Jobbeschreibung

#WeAreIn for jobs that impact everyone's life. What if your ideas could change the way the world connects, powers up, or thinks? As a Principal Software Test Engineer - Ethernet Switch Firmware our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in?

Key responsibilities

Define and evolve verification and validation strategies for Ethernet Switch firmware, covering PTP, MKA/MACsec, Base Firmware, HAL, Layer 2 switching features, and Functional Safety mechanisms Architect, develop, maintain, and continuously enhance automated test frameworks, validation environments, test architectures, and automation concepts to improve test coverage, scalability, maintainability, and execution efficiency Design and execute automated functional, integration, system, interoperability, reliability, endurance, robustness, and fault-injection tests, while validating firmware behavior under network topology changes, link failures, device resets, failover scenarios, recovery mechanisms, and abnormal operating conditions Define and implement verification concepts for Functional Safety requirements, including safety mechanisms, diagnostics, fault handling, and safety-related software features, while supporting ISO 26262 compliance and safety verification activities Analyze network traffic, protocol traces, logs, safety evidence, and test results to identify complex issues, perform root-cause analysis, and ensure high-quality firmware releases and feature enhancements through regression testing and release readiness assessments Collaborate closely with firmware developers, system architects, safety engineers, and cross-functional project teams, contributing to technical reviews, customer discussions, management reviews, and continuous improvements in validation infrastructure, toolchains, and development processes Provide technical guidance and mentoring to test engineers while owning verification activities in line with ASPICE and Functional Safety processes, ensuring traceability, test coverage, quality evidence, and release readiness of Ethernet Switch firmware

Qualifications and skills

Qualifications and skills to help you succeed Bachelor's or master's degree in computer science, Electrical Engineering, Information Technology, or a related technical field, combined with 8 + years of experience in software testing, firmware verification, and validation of embedded or networking products Proven expertise in Ethernet Switch firmware verification and validation, including the definition of test strategies, verification methodologies, architectures, and validation approaches for complex embedded software systems Extensive hands-on experience developing and maintaining automated test frameworks and validation environments, covering test automation, regression testing, fault injection, robustness and reliability testing, CI/CD integration, and scalable validation architectures Strong knowledge of Ethernet Switch technologies, embedded networking systems, Layer 2 switching, networking protocols, packet-based communication, TSN, VLAN, QoS, traffic management, PTP/gPTP, MKA/MACsec, Base Firmware, and HAL . Experience with Automotive Ethernet technologies and ASPICE -based automotive projects, including diagnostics, monitoring, fault recovery, networking feature validation, and Functional Safety verification in compliance with ISO 26262 Expert-level proficiency in Python-based test automation and embedded networking verification tools, with practical experience using PyTest, Linux, Wireshark, network traffic generators/analyzers, Git, Jenkins, and GitLab CI Strong analytical, debugging, and root-cause analysis skills, excellent communication and mentoring capabilities, fluent English proficiency (German is a plus), and a strong interest in leveraging AI-powered and Agentic AI solutions to enhance test automation, coverage analysis, and defect triaging

#WeAreIn for driving decarbonization and digitalization.

As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT. Together, we drive innovation and customer success, while caring for our people and empowering them to reach ambitious goals. Be a part of making life easier, safer and greener. Are you in? We are on a journey to create the best Infineon for everyone. We strive to create the best Infineon for everyone by embracing diversity and inclusion. We welcome applicants for who they are and offer a workplace built on trust, openness, respect and equal opportunity. Our hiring decisions are based on skills and experience. Even if you don't meet every requirement, we encourage you to apply. Please let your recruiter know if you need any accommodations during the interview process. Learn more about our various contact channels and about Diversity & Inclusion at Infineon. Darana Andrade