Electronics Engineer

Nebula; El Segundo (CA); Hybrid; USD 100,000 - 250,000; Full time

Benefits offered by this job

Equity in startup

Health, dental & vision insurance

401(k) with company matching

Bonus for living within 5 miles of El 

On-site work with limited WFH

Merit-based rewards

Job summary

Nebula is seeking electrical/electronics engineers to design and bring up mixed-signal boards for production machines. You will own from schematic to a running machine, including test rigs and fixtures for verification.

The role focuses on precision analog, actuator drive, and real-time firmware on multi-core ARM parts, with on-site manufacturing and equity in a fast-growing startup.

Qualifications

• Degree in electrical, electronic, computer or mechatronic engineering, or equivalent experience
• Hands-on mixed-signal board design in a commercial EDA tool, from schematic to working board
• Embedded C or C++ on microcontrollers with real-time constraints and interrupts
• Fluent at the bench with an oscilloscope and logic analyzer, able to explain a waveform
• Ability to isolate a fault by controlled experiment rather than relying on symptoms
• Ready to design the electronics of the first machines on a line and the associated test fixtures

Responsibilities

• Mixed-signal board design: schematic capture, layout, BOM, bring-up
• Machine electrical design: mains inlet, switching supplies, relays, harnesses, control cabinet
• Precision analog and sensor electronics: front ends, data acquisition, thermistor control
• Motion and actuator drive: servo/stepper drive, encoder capture, high-voltage waveform generation
• Signal integrity and EMI: differential pairs, shielding, grounding, harness noise management
• RTOS-based, multi-core Cortex-M/R firmware: tasks, buses, closed-loop control
• Bring-up and fault isolation: oscilloscope, logic analyzer, debugging, revisions
• Electrical and functional test of boards: continuity, impedance, hardware-in-the-loop fixtures

Skills

Mixed-signal design

Embedded C/C++

Real-time firmware

Fault isolation

Education

Bachelor's degree in Electrical/Electronic/Computer or Mechatronic Engineering

Tools

EDA tools

Oscilloscope

Logic analyzer

Job description

What to Expect

Your role is to design the sensing, drive, power and control electronics inside our production machines, write the real-time firmware that runs them, and own the test of the boards those machines produce.

That is mixed-signal board design from schematic to a board you have brought up, precision analog and actuator drive, real-time embedded firmware on multi-core Arm parts, and the bench work that separates one fault from another.

You will own the electronics of each machine built on this line, from the first schematic to a machine that runs, and stand up the fixtures and hardware-in-the-loop rigs that verify what comes off it.

We are looking for electrical and electronics engineers with experience and interest in mixed-signal board design, precision analog and actuator drive, real-time embedded firmware, and bring-up and fault isolation.

Every role works with our AI systems daily. What can be deterministic, must be. You need no AI background; we prefer people without one. We hire for your knowledge and experience in the field first, so you can steer the ship; the tooling is a learning curve we expect you to take on.

We work on-site in El Segundo. This is hard work, but you will be rewarded with equity in a company we believe will become one of the world's most valuable.

What You'll Do

• Mixed-signal board design: schematic capture, multilayer layout, design rule checks, bills of material, bring-up
• Machine electrical design: mains inlet and earthing, switching supplies, relays, harnesses, control cabinet, interlocks
• Precision analog and sensor electronics: front ends, data acquisition, thermistor and heater control, optoisolation
• Motion and actuator drive: stepper and servo drive, encoder capture, high-voltage piezo waveform generation
• Signal integrity and electromagnetic compatibility: differential pairs, termination, shielded cable, grounding, harness noise budget
• Real-time firmware on multi-core Arm Cortex-M and Cortex-R parts: RTOS tasks, buses, closed-loop control
• Bring-up and fault isolation: oscilloscope, logic analyzer and debugger work, rework, and closing revisions
• Electrical and functional test of the boards the machines produce: continuity, impedance, hardware-in-the-loop fixtures

What You'll Bring

• A degree in electrical, electronic, computer or mechatronic engineering, or equivalent experience
• Hands-on mixed-signal board design in a commercial EDA tool, through layout to a working board
• Embedded C or C++ on microcontrollers: interrupts, timers, serial buses, closed-loop control under real-time constraints
• Fluent at the bench with an oscilloscope and logic analyzer, and able to explain a waveform
• The judgment to isolate a fault by controlled experiment instead of reasoning from symptoms
• Ready to design the electronics of the first machines on a line and the test fixtures
• Bonus: FPGA development, high-voltage analog output stages, precision motion control, or multi-core firmware architecture

Expected Compensation

$100k to $250k base salary, plus equity

• Equity participation in a high-growth startup
• Comprehensive health, dental, and vision insurance
• 401(k) with company matching
• Bonus for living within 5 miles of our El Segundo facility
• On-site work with rare work-from-home exceptions
• Merit-based organization where contribution drives reward