Senior Hardware Test Engineer

SPAN • San Francisco, CA

1d • $113,000 - $150,000 • Onsite

About The Position

SPAN is seeking an experienced and driven hardware test engineer who can contribute to all stages of development. In this role, you will rely on your past experience to develop a comprehensive hardware test program for new products and support any reliability issues that arise in the field. You will work with the electrical, mechanical, and systems teams to implement test plans, build out our in-house testing capabilities, and work with outside labs as needed.

Requirements

• BS or MS in Electrical Engineering, Mechatronics Engineering (or related field).
• 5+ years experience developing and executing validation or reliability tests for electronic hardware.
• Understanding of power electronics, analog circuits, and digital communication interfaces.
• Experience using oscilloscopes, logic analyzers, power analyzers, and other lab instrumentation for electrical validation.
• Experience with analysis of test results including statistical analysis techniques.
• Experience with scripting languages, particularly Python.
• Ability to perform hands-on work including test setup, instrumentation, soldering, and debugging.
• Excellent technical writing skills with experience drafting test documentation.
• Strong analytical and problem-solving skills with a detail-oriented mindset.
• Effective communicator and team collaborator.

Nice To Haves

• Experience leading projects with a diverse team under tight timelines.
• Experience working safely with high voltage equipment (up to 600V).
• Experience working with and testing AC and/or DC power systems.
• Knowledge of national and international safety and regulatory requirements such as UL, National Electric Code (NEC), IEC, and ISO.
• Experience with root cause analysis (RCA) of field failures.
• Prior experience managing junior test technicians and mentoring junior test engineers.

Responsibilities

• Contributing to the design-for-reliability and validation strategy for SPAN’s future electrical products.
• Defining and executing test plans to validate performance, reliability, and compliance of circuit boards and system-level electronics (e.g. power converters, energy metering, and communication interfaces).
• Developing automated test setups using Python and Linux command-line tools for data collection, logging, and analysis.
• Collaborating with hardware design engineers to translate design requirements into detailed test specifications.
• Performing electrical validation and stress testing, including power cycling, fault injection, communication robustness, and analog/digital signal characterization.
• Analyzing test data, applying statistical methods where appropriate, and presenting clear, actionable findings to design and leadership teams.
• Working hands-on in the lab: setting up instrumentation, soldering/debugging boards, and executing electrical tests.
• Supporting regulatory, compliance, and safety testing (FCC, UL, IEC, NEC).
• Driving root-cause analysis of test failures and collaborating with cross-functional teams.

Benefits

• Competitive compensation + equity grants
• Comprehensive benefits: 100% employee premiums for base plans on medical, dental, vision with options for additional coverage.
• Parental leave up to twenty four (24) weeks depending on eligibility
• Flexible hours
• One holiday per month
• Flexible time off

What This Job Offers

• Job Type: Full-time
• Career Level: Senior