Skip to content
EightsleepEightsleepSan Francisco, CA

HW Test Engineer

Lead end-to-end hardware test engineering for sleep fitness products: build prototypes, develop automated test systems and GUIs in Python/C#, run validation experiments, and debug to the PCB level.

Salary not listed
On-site3+ YOEHardware Engineering

About the role

Responsibilities

  • Design and run experiments to validate performance of new designs; track and analyze results
  • Develop and maintain automated test applications and GUIs for production environments, hardware validation, and reliability testing
  • Collaborate with mechanical, electrical, and software engineering teams across the product development lifecycle
  • Develop test systems using embedded hardware (Arduino) and Python
  • Perform software integrations with physical instrumentation and custom hardware/firmware
  • Design operator-friendly user interfaces for running and monitoring tests (desktop or web-based)
  • Architect, design, and implement data visualization and test result reporting
  • Create documentation and methodologies to help the team use developed tools
  • Design, build, and deploy custom physical test fixtures and jigs for R&D and manufacturing environments, including specification of sensors and mechanical interfaces
  • Perform hands-on root cause analysis and debug of electrical and mechanical failures in test systems and products down to the component or PCB level

Requirements

  • 3+ years of hardware/software development experience with a focus in integrated systems
  • Track record of shipping high-volume consumer products, including manufacturing support in Asia; willingness to travel to China as needed
  • Experience with Python, or C#/WPF for test GUIs
  • Experience with git, GitHub, command line scripting tools, Homebrew (macOS), apt (Linux)
  • Experience soldering, wiring, and debugging
  • Familiarity with hardware communication protocols (I2C, SPI, etc.)
  • Understanding of test sequencing, data logging, and hardware automation
  • Proven hands-on experience with PCB bring-up, debug, and rework
  • BSEE, BSCE, BSCS, BSME or equivalent; MS preferred

Nice-to-Haves

  • Experience building physical prototypes
  • Experience with data management and creating actionable insights from test data

Skills

PythonC#WpfGitArduinoI2CSpiPcb Bring-UpSolderingHardware Debugging
Sesame

Hardware Test Automation Engineer

SesameSan Francisco, CA +1

Build and own automated test rigs and CI/CD-integrated frameworks for Sesame's Cypress wearable AI hardware. Design stress, throughput, long-duration audio, and battery tests; create performance dashboards that gate releases. Requires embedded test automation experience, Bluetooth/wireless expertise, and Python scripting in a fast-moving early-stage environment.

150k – 260k/yr
On-site5+ YOEHardware Engineering
Applied Intuition

Hardware Systems Engineer, VOS

Applied IntuitionSunnyvale, CA

Hardware Systems Engineer owning system, hardware, and EE requirements decomposition from vehicle-level specs for Applied Intuition's Vehicle OS product. Defines EE architecture for HIL test benches/rigs, maintains MBSE models in Cameo, ensures ASPICE/ISO 26262 traceability and compliance. Requires 3+ years systems engineering experience and strong EE understanding; no hands-on PCB/schematic work.

130k – 220k/yr
On-site3+ YOEHardware Engineering
Fluidstack

Electrical Engineer, Deployment Engineering

FluidstackAustin, TX +3

Deploy and commission electrical power systems for AI data centers, including testing, validation, and handover to operations. Requires bachelor's in Electrical Engineering and hands-on data center commissioning experience with up to 50% travel.

200k – 250k/yr
Hybrid5+ YOEHardware Engineering
Fluidstack

Mechanical Engineer, Deployment Engineering

FluidstackAustin, TX +3

Deploy and commission mechanical cooling systems for AI data centers, performing startup, testing, troubleshooting, and handover while ensuring thermal reliability under live compute loads. Requires bachelor's in Mechanical Engineering and hands-on data center commissioning experience.

200k – 250k/yr
Hybrid5+ YOEHardware Engineering
Mariana Minerals

Structural Designer

Mariana MineralsHouston, TX

Lead structural steel drafting and modeling for capital projects using Tekla. Configure projects, develop 3D models and drawings (GA, fabrication, erection), define standards/workflows, and coordinate with multidisciplinary teams in heavy industrial environments. Requires 5+ years Tekla/structural detailing experience.

Salary not listed
On-site5+ YOEHardware Engineering