Senior Power Electronics HW Design Engineer(wmdx)

The Interroll Group is a leading global specialist in intralogistics. Headquartered in Switzerland the listed company employs around 2400 people at 34 locations around the globe. Our organization promotes an entrepreneurial spirit and drives dynamic growth. The people at Interroll strive for values such as responsibility reliability and passion for the details that really count. We offer dedicated professionals interesting tasks and good development opportunities.

Our company Interroll Software & Electronics GmbH based in Linz has global and cross-product responsibility for control systems software and electronics solutions within the Interroll Group.
We are a very dynamic and international team and have a great passion for software and electronics!

To expand our team at the Linz site we are looking for you as Senior Power Electronics HW Design Engineer (f/m/d/x)

General responsibilities

• Collaboration in concept creation and system design of electronic and electromechanical assemblies/systems/interfaces
• Analysis of requirements
• Product development:
  • electronic circuit design (schematics)
  • PCB/PCBA layout design
  • Wiring harness
  • component specification
• Support to specify the HW / SW interfaces and creation of technical requirements/specifications
• Support to create test concepts for PCB/PCBA validation (durability EMC/EMI stress testing etc.) and serial production (quality assurance)
• Collaboration with internal and external development partners
• Technical contact with suppliers production sites
• Technical support for the construction commissioning and testing of prototypes and verification measurements of electronics assemblies and devices
• Development processes and documentation in accordance with relevant regulatory provisions

Key Responsibilities

• Design develop and validate power supply systems (AC/DC DC/DC converters isolated and non-isolated topologies)
• Design develop and validate the controls circuitry for power supplies
• Work on power electronics circuits (inverters gate drivers high-efficiency converters motor drives)
• Perform schematic design and PCB/PCBA layoutdesign by using Altium Designer (experience with other EDA tools is a plus)
• Optimize designs for efficiency thermal performance and reliability
• Conduct component selection (MOSFETs IGBTs GaN/SiC devices magnetics capacitors) based on electrical thermal and cost criteria
• Design and implement control strategies for switching converters and power conversion systems
• Perform PCB/PCBA design with special focus on high-current traces creepage/clearance and thermal management
• Apply EMI/EMC design techniques for power circuits and ensure compliance with regulatory standards
• Ensure compliance with industry standards (IEC IPC EMC/EMI safety reliability automotive/industrial if applicable)
• Support prototype assembly verification and validation through PCB/PCBA manufacturing processes
• Carry out hardware bring-up debugging and root cause analysis with oscilloscopes current probes power analyzers and other lab instruments
• Collaborate with cross-functional teams (firmware mechanical test engineers) to ensure system-level integration
• Prepare design documentation test reports and compliance evidence for certifications

• Bachelors or Masters degree in Electronics Engineering Electrical Engineering or related field
• 5 years of professional experience in embedded hardware development
• Proven knowledge of switch-mode power supply (SMPS) topologies (buck boost flyback forward resonant etc.)
• Expertise in semiconductor device selection (MOSFET IGBT GaN SiC) and their application in high-efficiency circuits
• Strong understanding of magnetics design (transformers inductors core materials winding techniques)
• Hands-on experience in power electronics simulation (LTSpice PLECS PSIM MATLAB/Simulink)
• Proficiency in thermal design and heat dissipation techniques
• Proficiency in schematics design and PCB/PCBA layout design with Altium Designer focusing on high-current low-noise design
• Deep knowledge of EMI/EMC design techniques for power circuits filtering strategies and layout best practices
• Familiarity with safety and regulatory standards (IPC IEC UL EN for power supplies and industrial electronics)
• Practical lab experience with oscilloscopes power analyzers spectrum analyzers thermal cameras and load banks
• Strong problem-solving skills ability to work independently and in cross-disciplinary teams
• Excellent written and verbal communication skills in German and English (at least B2 level)
• Enthusiasm for power electronics engineering with all its challenges
• Hands-on mentality
• Strong analytical thinking
• Solution oriented way of working
• High willingness to learn
• Willingness to travel occasionally
• High awareness of quality

• An open corporate culture: very good working atmosphere individual induction training
• An agile working environment: modern and well-equipped workplace short decision-making processes thanks to flat hierarchies
• Personal development: the companys own training academy (Interroll Academy) varied and responsible tasks in an international company
• Broad spectrum of new technologies: 3D printing system emulation semi-automated circuit diagram generation
• An Experience Lab for your creativity and innovation
• Coffee and fruit

Many additional benefits: plenty of parking spaces available flexible working hours exceptional team players