Full-Time

Assembly Technician

Western Magnetics

Western Magnetics

11-50 employees

U.S. drone motors and actuators manufacturer

No salary listed

No H1B Sponsorship

South San Francisco, CA, USA

In Person

Category
Manufacturing & Production Operations (1)
Required Skills
Assembly

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Requirements
  • GED, high school diploma, or higher.
  • Ability to read and interpret assembly drawings, wiring diagrams, and work instructions.
  • Strong manual dexterity and hand-eye coordination for handling small, fine-pitch components.
  • Ability to record data accurately and consistently follow documented work instructions.
  • Reliable attendance and the ability to meet production targets in a fast-paced environment.
  • Authorization to work in the United States.
  • Ability to pass a pre-employment background check and drug screening.
  • Ability to stand or sit at a workbench for extended periods.
  • Ability to lift and carry up to 50 pounds unassisted.
  • Comfort working with small components under magnification.
  • Ability to use required personal protective equipment, including lab coats, safety glasses, and gloves.
  • Ability to work with adhesives, solvents, and soldering fumes in a ventilated production environment.
  • Availability for occasional overtime or weekend shifts to meet production schedules.
Responsibilities
  • Assemble motor and actuator mechanical components to engineering specifications.
  • Wind, terminate, and connect motor coils and stator windings according to assembly drawings.
  • Install bearings, magnets, shafts, and encoder or sensor sub-assemblies using appropriate tooling.
  • Apply adhesives, potting compounds, and thermal interface materials as required.
  • Perform continuity, insulation resistance, and back-EMF testing on completed motor assemblies.
  • Perform visual and functional inspections at multiple points in the production process.
  • Record test data and production metrics in the manufacturing execution system.
  • Follow standardized assembly procedures while documenting production progress.
  • Identify and escalate non-conforming parts or process deviations to the production lead.
  • Support rework, repair, and validation activities on returned or out-of-specification assemblies.
Desired Qualifications
  • At least one year of experience in electronics assembly, laboratory work, or a related technician role.
  • Soldering experience with printed circuit boards or wire.
  • Electronics repair experience with smartphones, personal computers, or similar devices.
  • Drone or unmanned aerial systems piloting experience.
  • Familiarity with electrostatic discharge handling procedures or a manufacturing execution system-driven production environment.

Westmag designs and manufactures drone motors and robot actuators in the United States, starting with Factory 01 in South San Francisco. It automates winding, assembly, and testing on an integrated production platform to produce core motion components—the “muscle” of physical AI—for drones, humanoid robots, and other autonomous systems. The company differentiates itself by onshoring production and vertically integrating design, manufacturing, and the supply chain, including upstream subcomponents, to reduce dependence on foreign parts and improve cost control. Its goal is to scale production to hundreds of thousands to millions of motors and actuators annually for domestic and allied customers, while expanding a standardized product catalog for both high- and low-volume buyers.

Company Size

11-50

Company Stage

Seed

Total Funding

$11M

Headquarters

San Francisco, California

Founded

2025

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Simplify Jobs

Simplify's Take

What believers are saying

  • Westmag says production is already ramping, with hundreds of thousands of units on order.
  • The August 26, 2026 website shows active testing and ongoing production.
  • EU Motors and Modal Motors expanding U.S. factories validate domestic motor demand in 2026.

What critics are saying

  • EU Motors opened Florida production in February 2026, compressing Westmag's domestic pricing window.
  • Westmag remains seed-funded while Factory 01 ramps, creating an execution deadline before follow-on capital.
  • If defense and robotics orders slip, Westmag faces existential cash burn before scale.

What makes Western Magnetics unique

  • Westmag vertically integrates design, winding, assembly, and validation in South San Francisco Factory 01.
  • June 2, 2026 seed from a16z, Founders Fund, Lux Capital, NFDG, Menlo validates demand.
  • Westmag targets domestic drone motors and robot actuators, cutting reliance on foreign components.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
The Montreal Gazette
Jun 2nd, 2026
Westmag emerges with $11 million seed led by Andreessen Horowitz to build america's drone motor and robot actuator industry.

Westmag emerges with $11 million seed led by Andreessen Horowitz to build america's drone motor and robot actuator industry. SOUTH SAN FRANCISCO, Calif. - Westmag, the American manufacturer of drone motors and robot actuators, emerged from stealth today with $11 million in seed funding led by Andreessen Horowitz, with participation from Founders Fund, Lux Capital, NFDG, Menlo Ventures, and other top investors. Westmag, short for Western Magnetics Company, closed this $11M in funding in...

TMCnet
Jun 2nd, 2026
Westmag Emerges With $11 Million Seed Led By Andreessen Horowitz to Build America's Drone Motor and Robot Actuator Industry

Westmag, the American manufacturer of drone motors and robot actuators, emerged from stealth today with $11 million in seed funding led by Andreessen Horowitz, with participation from Founders Fund, Lux Capital, NFDG, Menlo Ventures, and other top investors.