Hardware Engineer

Nocturnal Inc Db59cbb5 35a8 46d9 8752 07331c6c9864

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Cambridge, MA Until 8/23/2026 4+ years exp First posted May 22, 2026 Last posted May 22, 2026
Job description

About Nocturnal Inc.

At Nocturnal, believe sleep is not a passive state, but an active frontier where technology, data, and insights could converge to improve lives in profound ways. By combining cutting-edge science and design, we are pushing boundaries of what's possible in sleep.

Description

Responsibilities:

  • Designing and developing embedded hardware systems for wearable devices
  • Implementing and optimizing firmware for microcontroller-based systems
  • Developing and testing wireless communication protocols
  • Performing signal processing for biometric data
  • Creating and maintaining hardware documentation
  • Collaborating with cross-functional teams on product development
  • Prototyping and validating new hardware designs


Requirements:

  • Bachelor's degree in Electrical Engineering or Computer Science
  • Solid understanding of Electrical Engineering principles
  • Proficient in PCB design and layout (Flex, Rigid Flex)
  • Experience with microcontroller programming and interfacing (nRF52/53, ESP32)
  • Skilled in embedded systems programming (e.g., C, C++)
  • Knowledge of digital signal processing techniques
  • Familiarity with wireless communication protocols (e.g., BLE, WiFi)
  • Experience in hardware debugging and testing


Preferred Skills:

  • 4+ years of experience in consumer electronics hardware design
  • Understanding of Low Power Design, Power management, and Battery-operated systems
  • Familiarity with TinyML (machine learning on embedded systems)
About this role

Summary

Design, develop, and test embedded hardware and firmware for wearable devices.

Job title

Hardware Engineer

Experience level

4+ years

Minimum experience

4+ years exp

Industry

technology

Location requirements

On-site in Cambridge, MA; remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

PCB designmicrocontroller programmingCC++wireless protocolshardware debugging

Preferred skills

Low Power DesignBattery systemsTinyML

Specializations

embedded systemswireless communicationsignal processinghardware design
Locations

Structured locations inferred from the posting.

Cambridge, MA, USA

On-site City