Cowboy

Direct-to-consumer connected electric bikes and services

Senior Electronics Hardware Engineer

Board & Electronics DesignConfirmed live in the last 24 hours

Full-timeBrussels, BelgiumNo salary listedHybrid

About the Job

Requirements

A Bachelor's or Master's degree in Electrical Engineering, Electronic Engineering, or a related field.
At least 5–7 years of experience in electronic hardware design and development, ideally in automotive or e-mobility.
Strong understanding of analog and digital circuit design principles.
Strong, in-depth understanding of BLDC motors and control systems.
Understanding of battery management systems and battery protection mechanisms.
Experience with radio technologies such as BLE 4.0, EDGE, LTE-M, GNSS, and Qi 1.2.4/Qi2.0.
Experience creating schematics and PCB LGA/BGA layouts.
Experience in antenna placement within complex 3D environments.
Strong proficiency with Altium Designer.
Hands-on experience and willingness to manually assemble PCBs with solder paste and a reflow oven.
Hands-on experience with lab equipment: Vector Network Analyser, Oscilloscope, and logic analyser.
Experience with RED, EMC, and CE testing and certification processes.
Strong hardware debugging, troubleshooting, validation, and verification skills.
Ability to manage multiple tasks while working independently and within a multidisciplinary team.

Responsibilities

Design and develop analog, digital, and mixed-signal circuits for cellular/BLE/GNSS communication modules and sensor systems, including schematics, PCB and antenna layout, and design reviews.
Select components based on performance, cost, availability, reliability, and lifecycle risk.
Drive RED and CE certification and EMC compliance for electronic subsystems, including test preparation, lab coordination, and issue resolution; work with test houses and notified bodies.
Provide technical follow-up for Asian suppliers undertaking outsourced development projects.
Validate hardware through bench testing, system integration, environmental and reliability testing, and field trials to confirm compliance with design specifications.
Bring up prototypes, troubleshoot hardware issues, perform root cause analysis, and implement corrective actions.
Coordinate with EMS partners and component suppliers on manufacturing qualification and transfer.
Participate in design reviews and provide technical input on system architecture, risk assessment, and design trade-offs.
Maintain schematics, test reports, bills of materials, qualification records, and engineering change documentation.
Analyze test results and recommend design improvements for performance, manufacturability, and reliability.
Work with the firmware team on embedded hardware and software co-design and integration.
Implement new powertrain systems on e-bikes, including battery management systems, BLDC motors, motor controllers, and torque sensors.

Desired Qualifications

Experience with Nordic chips and/or uBlox modules.
Experience with CANopen.
Experience with dynamic powertrain control systems.
Experience with battery-powered low-power systems.
Familiarity with EMS and manufacturing partner qualification processes.
Experience with C++ and ZephyrOS.
Experience with e-bike powertrains, including BLDC motor systems and battery management systems.
Hands-on experience navigating CE, RED, and other electronics certifications.

Electronics Hardware Engineer

Cowboy · Brussels, Belgium (Hybrid) · Full-time · Posted 2026-07-13

Workplace: hybrid

Department: Hardware

Description

Cowboy is looking for a Senior Electronics Hardware Engineer to lead the design, validation, and industrialization of the electronic subsystems that power our e-bikes — with a particular focus on connectivity, from communication modules (BLE, GNSS, EDGE, LTE-M, Qi) to sensor systems. You’ll own hardware design end-to-end, from schematic through certification and productization, working closely with firmware, mechanical, and supply chain teams to bring robust, connected hardware to riders at scale.
Experience with e-bike powertrains — BLDC motor systems and battery management systems — is a strong plus, as is hands-on experience navigating CE, RED, and other electronics certifications.

Key Responsibilities

Design and develop analog, digital, and mixed-signal circuits for Cowboy’s cellular/BLE/GNSS communication modules and sensor systems, including schematics, PCB layout + antenna layout, and design reviews.
Select components based on performance, cost, availability, reliability, and lifecycle risk.
Drive RED, CE certification, and EMC compliance for electronic subsystems, including test preparation, lab coordination, and issue resolution. Work with test houses and notified bodies.
Technical follow-up of Asian suppliers doing outsourced development projects
Validate hardware through bench testing, system integration, environmental and reliability testing, and field trials to confirm compliance with design specs.
Bring up prototypes, troubleshoot hardware issues, perform root cause analysis, and implement corrective actions.
Coordinate with EMS partners and component suppliers on manufacturing qualification and transfer.
Participate in design reviews and provide technical input on system architecture, risk assessment, and design trade-offs.
Maintain schematics, test reports, BOMs, qualification records, and engineering change documentation.
Analyze test results and recommend design improvements for performance, manufacturability, and reliability.
Work with the firmware team on embedded hardware and software co-design and integration.
Implementing new powertrain systems onto ebikes (Battery management systems, BLDC motor, motor controller, torque sensors, …)

Requirements

Must haves

Bachelor’s or Master’s degree in Electrical Engineering, Electronic Engineering, or a related field.
At least 5-7 years of experience in electronic hardware design and development, ideally in automotive or e-mobility.
Strong understanding of analog and digital circuit design principles.
Strong, in-depth understanding of BLDC motors and control systems
Understanding of the BMSs and battery protection mechanisms
Experience with radio technologies such as BLE 4.0, EDGE, LTE-M, GNSS, Qi 1.2.4/Qi2.0
Experience creating schematics and PCB LGA/BGA layouts
Experience in antenna placement within complex 3D environments
Strong proficiency with Altium Designer
Hands-on experience and willingness to manually assemble PCBs with solder paste and a reflow oven
Hands-on experience with lab equipment: Vector Network Analyser, Oscilloscope, and logic analyser
Experience with RED, EMC, and CE testing and certification processes.
Strong hardware debugging, troubleshooting, and validation and verification skills.
Able to manage multiple tasks, working both independently and within a multidisciplinary team.

Nice to Have

Experience with Nordic chips, and/or uBlox modules
Experience with CANopen is a plus
Experience with dynamic powertrain control systems
Experience with battery-powered low-power systems
Familiarity with EMS and manufacturing partner qualification processes.
Experience with C++ and ZephyrOS

Benefits

Benefits

30 days holidays (20 legal + 10 extra legal at prorata ofc)
200 eur net allowance (office set up/internet)
10 eur/net per working day meal allowance (+/- 200 eur/month if 20 days worked)
Extra hospitalization insurance (Alan)
A Cowboy bike
Hybrid working environment (flexible office and remote/work from home policy)
A cafeteria plan to optimise your 13th month salary

Apply

Apply at Cowboy

About the Company

Cowboy

Direct-to-consumer connected electric bikes and services

Cowboy designs and sells connected electric bikes for urban commuters through a direct-to-consumer model supported by test-ride locations and service centers, with subscriptions for maintenance, insurance, and accessories. The bikes feature a minimalist lightweight frame, removable battery, carbon belt drive, integrated lights, and app connectivity including a secure digital key, GPS theft protection, ride stats, and navigation, plus AdaptivePower that adjusts motor output automatically. It differentiates itself with strong design, modular hardware, direct branding control, and a social/environmental focus evidenced by B Corp certification. Its goal is to make e-bikes a mainstream transport option by lowering costs and delivering reliable, well-integrated urban mobility tech.

Company size: 201-500
Company stage: Acquired
Total funding: $147.1M
Headquarters: City of Brussels, Belgium
Founded: 2017

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