Senior Test Engineer

What will you do?

A key part of your role is the development, expansion and maintenance of our R&D test facilities, including inverter setups, battery racks, power distribution systems and measurement infrastructure.

You work in a multidisciplinary product development team to ensure new technologies meet performance, safety, reliability and compliance requirements before introduction into the market.

As a senior engineer, you act as a technical expert, support less experienced colleagues and contribute to the continuous improvement of our testing capabilities, methodologies and test infrastructure.

Your responsibilities include:

Engineering & Test Environment Development

• Developing, expanding, commissioning  and maintaining R&D test facilities for Energy Storage Systems, including battery systems, battery racks, PCS and inverter test setups.
• Ensuring safe operation of high-power test environments.
• Contributing to the long-term roadmap for ESS test infrastructure.
• Defining and executing validation and qualification test plans for ESS hardware components and subsystems, including performance, safety, EMC, interoperability and compliance testing.
• Developing comprehensive test protocols based on IEC standards (including IEC 62933 series), product specifications and functional requirements.
• Selecting and applying advanced measurement equipment and test tools.

Hardware Testing & Validation

Analysis & Reporting

• Analysing and interpreting test data and identifying root causes of deviations.
• Translating test results into practical design improvements.
• Documenting test results and conclusions for internal reviews.

Advisory & Technical Improvements

• Advising engineers and project teams on hardware design improvements to enhance performance, reliability and testability.
• Providing go/no‑go recommendations based on test findings.
• Contributing to product architecture through substantiated test and quality analyses.
• Advising Business Units on routine testing and required test equipment.

Seniority & Leadership

• Coaching and supporting junior and medior Test Engineers.
• Acting as technical expert for ESS hardware testing and validation.
• Improving and safeguarding test processes, standards and methodologies within R&D.
• Supporting multidisciplinary R&D projects with hardware verification expertise.
• Identifying technical risks and validation gaps early in development projects.
• Bachelor’s or Master’s degree in Electrical Engineering, Power Engineering or a related technical discipline.
• Minimum 5 years of experience in hardware testing of power electronic systems, battery systems or energy storage systems.
• Hands-on experience building, commissioning and maintaining electrical R&D test environments.

What do we ask of you?

Education & Experience

• Experience working with:
  • Inverters
  • Battery systems
  • Power converters
  • High-power systems
  • Grid-connected energy systems

Technical knowledge

• Strong understanding of power electronics and energy storage systems.
• Skilled in developing test setups and using electrical measurement equipment such as oscilloscopes, power analyzers and EMC measurement equipment.
• Experience developing and executing hardware validation and verification plans.
• Experience with performance, safety, EMC and compliance testing of power electronic or energy storage systems.
• Experience troubleshooting hardware, power electronics and system integration issues identified during testing.
• Familiarity with relevant standards (e.g. IEC).
• Experience working safely in high-power environments.

Personal Competencies

• Strong analytical and problem-solving skills.
• Pragmatic hands-on mentality.
• Capable of working independently as well as within multidisciplinary project teams.
• Excellent communication skills in English.
• In possession of VCA and VP LS

What do we offer you?

Alfen offers you a role with significant impact in a rapidly growing organisation. You’ll have the opportunity to improve processes and further professionalise our testing landscape. You can expect:

• Competitive salary and excellent employment conditions.
• 27 vacation days + 13 ADV days (with the option to sell up to 10 days).
• Company laptop.
• Free access to our online learning platform.
• Activities via AlFun and Young Alfen.
• Sports facilities such as fitness and sports events.
• PME pension with a generous employer contribution.
• Travel allowance of €0.23 per km (max. 50 km one way).

Where will you work?

You will work closely with hardware, system and mechanical engineers and play a crucial role in the reliability and safety of our products.

Interested?

Apply via the “apply directly” button on our website.

Please note: a reference check, screening and VOG may be part of the process. The vacancy closes once we have found the right candidate. Acquisition is not appreciated.