Senior / Staff Electrical Engineer, Hardware (Wearable Consumer Device)

Greylock Partners; San Francisco (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

Greylock Partners is seeking an experienced Electrical Engineer in San Francisco, CA, to lead major portions of the electrical system for a BCI wearable tech startup. The candidate should have a strong background in electrical or hardware engineering with at least 5 years of experience, specifically in shipping consumer electronics. Responsibilities include designing high-density multi-layer PCBAs and collaborating with cross-functional teams. This full-time, on-site role is ideal for those with startup-ready ownership and comfort across the hardware stack.

Qualifications

• 5+ years in electrical or hardware engineering.
• Experience shipping consumer electronics, ideally compact, wearable, or battery-powered products.
• Strong PCB design experience, including HDI, BGAs, SI/PI, and high-speed interfaces.

Responsibilities

• Lead electrical architecture and board-level design for mixed-signal hardware systems.
• Own schematics, component selection, system partitioning, and design reviews.
• Design high-density multi-layer PCBAs with controlled impedance and fine-pitch components.

Skills

Electrical or hardware engineering experience

Consumer electronics shipping experience

PCB design experience

Analog/mixed-signal architecture knowledge

Hands-on lab validation experience

Tools

Altium or similar PCB tool

Scopes

Logic analyzers

Job description

Note: This is a full-time, on-site opportunity in San Francisco, CA (no remote).

About

Our investment is an early-stage BCI wearable tech startup employing an innovative mix of generative AI with patent-pending breakthroughs in hw/sw for SOTA electronic consumer devices. They are seeking an experienced Electrical Engineer to own major portions of the electrical system from early architecture through production, working across compact, high-density, battery-powered products.

What you’ll do

• Lead electrical architecture and board-level design for mixed-signal hardware systems
• Own schematics, component selection, system partitioning, and design reviews
• Design high-density multi-layer PCBAs with controlled impedance and fine-pitch components
• Work across sensors, compute, connectivity, power, and battery systems
• Lead bring‑up, validation, debugging, and root‑cause analysis
• Support EVT, DVT, PVT, DFM/DFT, manufacturing partners, and production ramp
• Collaborate closely with mechanical, firmware, software, and manufacturing teams

What we’re looking for

• 5+ years in electrical or hardware engineering
• Experience shipping consumer electronics, ideally compact, wearable, or battery‑powered products
• Strong PCB design experience, including HDI, BGAs, SI/PI, and high‑speed interfaces
• Solid analog, mixed‑signal, power architecture, and DC‑DC converter experience
• Hands‑on lab validation experience with scopes, logic analyzers, probes, and related tools
• Startup‑ready ownership style and comfort working across the full hardware stack

Nice to have

• Wearables or body‑worn device experience
• Altium or similar PCB tool experience
• Manufacturing test, automation, Python, embedded firmware, EMI/EMC, or thermal experience

SF Bay Area preferred. Senior IC role at an early‑stage company building a category‑defining hardware product.