Embedded Systems Hardware Engineer

Sennos

$90K — $120K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering or related field
  • Hands-on experience with ESP32-class microcontrollers
  • Experience in designing power systems and battery management
  • Proficiency in PCB schematic capture and layout for compact designs
  • Understanding of analog-to-digital conversion and mixed-signal design
  • Ability to debug hardware-firmware interactions using scopes and analyzers
  • Excellent communication skills for cross-team collaboration

Responsibilities

  • Design and develop embedded controller hardware for industrial sensors from concept to production
  • Own schematic capture, component selection, and PCB layout for compact boards
  • Develop and validate designs using embedded CPUs and peripheral interfaces
  • Prototype, test, and debug hardware using bench instrumentation
  • Collaborate with firmware engineers to support hardware feature implementation and debugging
  • Contribute diagnostic firmware to aid hardware bring-up and troubleshooting
  • Work with test and manufacturing teams to refine designs based on feedback
  • Support production ramp and sustaining engineering activities

Benefits

  • Opportunity to work across the full lifecycle of embedded electronics
  • Engagement with cross-functional teams for a holistic approach to product development
  • Chance to influence real-world performance of products through field testing
  • Practical debugging and iterative design improvement environment
  • Minimal travel requirements, focusing on local collaboration and development
Full Job Description
Position Summary

The Embedded Systems Hardware Engineer designs, prototypes, tests, and troubleshoots embedded controller hardware used in industrial sensor products. This role works across the full lifecycle of embedded electronics, from early schematic and layout through validation, production support, and field-driven design iteration. The position combines hands-on hardware development with close collaboration across firmware, test, and manufacturing teams as products scale into volume deployment.

Responsibilities

  • Design and develop embedded controller hardware for industrial sensor systems, from concept through production release
  • Own schematic capture, component selection, and PCB layout for small form-factor boards, including power, signal integrity, and manufacturability considerations
  • Develop and validate designs using embedded CPUs (primarily ESP32 family), ADCs, power regulation, battery management, and peripheral interfaces
  • Prototype, test, and debug hardware using bench instrumentation and in-system diagnostics
  • Collaborate closely with firmware engineers to support multiple code branches, enabling hardware features and debugging system-level behavior
  • Contribute targeted diagnostic and validation firmware (e.g., logging hooks, input validation, test routines) to accelerate hardware bring-up and troubleshooting
  • Partner with test, manufacturing, and field teams to refine existing designs based on real-world performance, reliability, and deployment feedback
  • Support production ramp and sustaining engineering activities as products are delivered in volume


Required Qualifications

Education:

  • Bachelor's degree in Electrical Engineering or closely related field

Experience:

  • Hands-on experience designing embedded hardware using ESP32-class microcontrollers
  • Experience designing power systems, including battery-powered devices, charging, and power management
  • Experience with PCB schematic capture and layout for compact, high-density boards

Skills:

  • Strong understanding of analog-to-digital conversion, signal conditioning, and mixed-signal design
  • Proficiency with board-level interconnects and serial bus technologies (e.g., SPI, IB2C, UART, CAN)
  • Ability to debug hardware-firmware interactions using scopes, logic analyzers, and diagnostic code
  • Strong problem-solving skills with attention to detail
  • Excellent communication and collaboration skills across technical teams


Preferred Qualifications

  • Experience supporting hardware designs through manufacturing and field deployment
  • Familiarity with industrial sensor systems or ruggedized embedded products
  • Experience contributing to embedded firmware, particularly diagnostic logging and validation code
  • Exposure to custom or application-specific microcontrollers beyond ESP32 platforms
  • Knowledge of EMI/EMC design considerations for industrial environments
  • Experience with fermentation, brewing, or process control applications


Team Working Style

  • Works closely with firmware, test, and manufacturing teams to solve cross-disciplinary problems
  • Comfortable balancing new product development with iterative improvement of deployed designs
  • Values practical debugging, clear communication, and learning from field data


Physical Requirements and Work Environment

  • Ability to sit and stand for extended periods while working at a workbench and computer
  • Ability to lift up to 25 pounds occasionally for equipment and prototype handling
  • Lab/office environment with access to electronics testing equipment
  • Minimal travel required (occasional visits to manufacturing facilities or customer sites)


This job description is intended to convey information essential to understanding the scope of the position and is not an exhaustive list of skills, efforts, duties, responsibilities, or working conditions associated with it. Responsibilities may change according to business needs.

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