Senior Application Engineer – Battery Sensing

Melexis; Tessenderlo; On-site; EUR 65,000 - 90,000; Full time

Benefits offered by this job

International environment

Continuous learning

Clear technical career path

Job summary

Melexis is hiring an Application Engineer for Battery products in Tessenderlo, Belgium. You will bridge silicon and customer applications, developing low-level drivers, evaluation GUIs, and example code to bring hardware to life.

You will guide Tier 1–2 customers in hardware integration, software drivers, and system-level debugging for BMS implementations, while mentoring FAEs and other engineers in a global, fast-growing setting.

Qualifications

• Masters degree in Electrical Engineering, Embedded Systems or related field.
• 5+ years in Application, Firmware or Systems engineering in semiconductors or power electronics.
• Strong C for microcontrollers (ARM Cortex-M); Python basics for automation; GUI experience a bonus.

Responsibilities

• Develop Python scripts and GUI tools to enable product evaluation for customers.
• Provide Tier 1/2 design-in support for hardware integration and software drivers.
• Architect and write embedded C code for host MCUs interfacing with sensors.
• Lab validation using oscilloscopes, logic analyzers and battery emulators.
• Create application notes and design manuals to aid global technical support.
• Translate field feedback into requirements for IC and system teams.
• Mentor Field Application Engineers and other team members.

Skills

Embedded C (ARM Cortex-M)

Python (lab automation)

GUI development

Problem solving in lab

Customer-facing communication

Education

Master's in Electrical Engineering / Embedded Systems

Tools

SPI

I2C

UART

CAN

Job description

Location: Belgium - Tessenderlo

Yourfuture job

As anApplication Engineer for our Battery products, you will be the vital bridgebetween our cutting-edge silicon and our customers' end applications(such as Battery Management Systems for: EV, energy storage, and industrialpacks).
You will leverage our understanding of battery management architectures tochampion our unique innovations, demonstrating how they translate into tangiblesystem-levelbenefits.
Beyond advocating for the technology, you will take ownership of the softwareecosystem by developing the essential low-level drivers, evaluation GUIs, andexample code required to bring the hardware to life. Finally, you will supportin providing hardware guidance to help customers successfully integrate thechip.

Morespecifically, you will:

You willleverage our understanding of battery management architectures to champion ourunique innovations, demonstrating how they translate into tangible system-levelbenefits. Beyond advocating for the technology, you will take ownership of thesoftware ecosystem by developing the essential low-level drivers, evaluationGUIs, and example code required to bring the hardware to life. Finally, you will support in providing hardware guidance to help customers successfully integrate the chip.

Key Responsibilities

• Evaluation Tools: Develop Python scripts and GUI applications (C#, Python,or similar) to allow customers to easily evaluate our product.
• Customer Design-In Support: Act as the premier technical authority forTier 1 and Tier 2 customers, guiding them through hardware integration,software driver implementation, and system-level debugging of their BatteryManagement Systems (BMS).
• Software & Ecosystem Development: Architect and write bare-metaland RTOS- based Embedded C code (drivers, reference libraries) for hostmicrocontrollers interfacing with our sensors.
• Lab Validation & Troubleshooting: Replicate customer issues in thelab. Utilize oscilloscopes, logic analysers and battery emulators to debugcomplex mixed-signal systems at the PCB and firmware level.
• Technical Collateral: Author high-quality Application Notes, ReferenceDesign manuals, and software integration guides to scale our global technicalsupport.
• Product Definition: Act as the "voice of thecustomer." Translate field feedback into actionable requirements forour IC design and systems teams to define the next generation of Melexisbattery sensors.
• Mentorship: Provide technical guidance and training to FieldApplication Engineers (FAEs) and other team members.

Your profile

• Education: Master’s degree in Electrical Engineering, Control engineering, EmbeddedSystems, or a related field.
• Experience: 5+ years of experience in Application Engineering,Firmware Engineering, or Systems Engineering within the semiconductor or power electronics industry.
• Software Mastery:
  • Proficiency in Embedded Cfor microcontrollers (e.g., ARM Cortex-M).
  • Basic skills in Pythonfor lab automation, data analysis, and scripting.
  • Experience developingGUIs for hardware evaluation is a plus.
• Hardware & System Knowledge:
  • Solid understanding oflow-level communication protocols (SPI, I2C, UART, CAN).
  • Knowledge of BatteryManagement Systems (BMS), Li-ion battery behaviour, and high-voltage isolationwill be a plus
  • Strong grasp ofmixed-signal fundamentals (ADCs, current/voltage sensing, noise mitigation).
  • Ability to readschematics and review PCB layouts to advise on signal integrity.
• Soft Skills: Excellent problem-solving abilities in the lab (hands onmindset), strong customer-facing communication skills, Self-driven, fluentEnglish (written and spoken), adaptability and agility, Willingness to travel (20% of thetime)

We offer

• A crucial role in a rapidlygrowing product line addressing the global boom in electrification andenergy storage.
• An international, inclusive,and highly collaborative engineering environment.
• Continuous learningopportunities and a clear technical career path within a globalsemiconductor leader.

Inclusion

Melexis isan Equal Opportunity Employer that values and respects the importance of adiverse and inclusive workforce. It is the policy of the company to recruit,hire, train and promote persons in all job titles without regard to race,colour, religion, sex, age, national origin, veteran status, disability, sexualorientation, or gender identity. We recognize that diversity and inclusion is adriving force in the success of our company.

About Melexis

Inspiredby passion for technology and engineering, Melexis designs, develops anddelivers innovative micro-electronic solutions. They enable designers to turnideas into applications that support the best imaginable future. The company’sadvanced mixed-signal semiconductor sensors and actuators integrate sensing,driving and communication into next-generation products and systems. Theyimprove safety, raise efficiency, support sustainability and enhance comfort.
Melexis isa world leader in automotive sensors. Today, on average, every new car producedworldwide contains 18 Melexis chips. Melexis uses this expertise to serve othermarkets as well: alternative mobility, smart appliances, smart buildings,robotics, energy management and digital health.
Melexis isheadquartered in Belgium and employs over 2000 people in 18 locationsworldwide. The company is publicly traded on Euronext Brussels (MELE).