Top 13 Composites technician Jobs in South San Francisco, Ca

Fabrication Technician
Sesame AI —San Francisco, CA
- $120,000 - $180,000 a year
- Full-time
- 5 years
- Mid-level
- In-person
- Dental insurance
- Flexible spending account
Composites Technician C
Fisica, Inc —San Leandro, CA
- $26.68 - $49.28 an hour
- Full-time
- Mid-level
- High school diploma or GED
- Manufacturing
- Paid holidays
- 401(k)
Quick Apply
Composites Technician A
Fisica, Inc —San Leandro, CA
- $18.51 - $34.38 an hour
- Full-time
- High school diploma or GED
- Assembly
- Manufacturing
- Paid holidays
- Disability insurance
Quick Apply
Composite Technician
Poseidon Aerospace —San Francisco, CA
- Full-time
- CAD
- Mid-level
- 3 years
- Health insurance
- Paid time off
Quick Apply
Senior Fleet Maintenance Technician
Pyka —Alameda, CA
- $40 - $45 an hour
- Full-time
- Continuous improvement
- Travel
- Training & development
- Commuter assistance
- Paid holidays
Composite Technician - II
Finical, Inc —San Leandro, CA
- $26.68 - $49.28 an hour
- Full-time
- Mid-level
- High school diploma or GED
- US work authorization
- Health savings account
- AD&D insurance
Quick Apply
7d
Maine Composites Bridge
Poseidon Aerospace —San Francisco, CA
- Full-time
- CAD
- Mid-level
- 3 years
- Health insurance
- Paid time off
Quick Apply
Quality Engineer
Pivotal —Palo Alto, CA
- $101,000 - $125,000 a year
- Full-time
- Office
- 3 years
- Mentoring
- Health insurance
- Dental insurance
Quick Apply
Airframe Manufacturing Lead
Astro Mechanica —San Francisco, CA
- $165,000 - $210,000 a year
- Full-time
- CAD
- Mentoring
- Senior level
- Paid holidays
- Health insurance
Machinist/Programmer
Fuse —San Leandro, CA
- $30,000 - $90,000 a year
- Extended hours
- Mid-level
- Forklift
- High school diploma or GED

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Fabrication Technician

Sesame AI
San Francisco, CA

Apply Now

Job Details

Full-time
$120,000 - $180,000 a year

Benefits

Stock options
Unlimited paid time off
Dental insurance
Flexible spending account
Employee assistance program
Vision insurance
401(k) matching

Qualifications

Rapid prototyping
Mechanical blueprint interpretation
Machine setup
Maintaining an organized workspace
Mechanical fabrication
3D printers
Laser cutting
Metal materials
CNC laser cutter
Composite materials in industrial design
Mechanical drawings
Milling
3D printing
Prototype creation
Additive manufacturing implementation
Fastening
Clean workspace maintenance
Commissioning phase involvement
Field commissioning
Plastics
Prototypes
CNC machine maintenance

Full Job Description

Location

San Francisco

Employment Type

Full time

Location Type

On-site

Department

Hardware

Compensation

$120K – $180K

About Sesame

Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate with us in ways that feel natural and human. With this vision, we're designing a new kind of computer, focused on making voice agents part of our daily lives. Our team brings together founders from Oculus and Ubiquity6, alongside proven leaders from Meta, Google, and Apple, with deep expertise spanning hardware and software. Join us in shaping a future where computers truly come alive.

About the Role

Sesame is building a complex and compact wearable hardware + AI product requiring custom mechanical parts, enclosures, fixtures, and test rigs. We are looking for a highly organized, hands-on Fabrication Technician to support the hardware team with fabrication, precision assembly, equipment operations, and build logistics.

In this role you will commission, operate, and maintain benchtop fabrication equipment; produce prototype parts to tight tolerances; and keep the lab organized and ready for daily engineering use. You will work under the direction of the Program Lead and alongside mechanical, electrical, and manufacturing engineers to turn CAD models and drawings into physical hardware—quickly, accurately, and repeatably.

Responsibilities:

Equipment Commissioning & Maintenance

Commission, set up, and bring online new fabrication equipment including 3D printers (FDM, SLA/DLP, SLS), desktop CNC mills, laser cutters, and other benchtop tools.
Own routine maintenance, calibration, and consumables management for all prototyping equipment; proactively prevent downtime.
Troubleshoot equipment issues, coordinate service calls, and maintain maintenance logs.
Evaluate and recommend new tools, materials, and processes to expand lab capability.

Fabrication & Precision Assembly

Fabricate mechanical parts using additive, subtractive, and manual methods to meet drawing specifications and tolerances.
Perform post-processing: support removal, sanding, bonding, tapping, heat-setting inserts, painting, and surface finishing.
Execute precision hand assembly of tiny and compact electro-mechanical prototypes—including sub-centimeter enclosures, press fits, threaded fasteners, and delicate component integration.
Build and maintain jigs, fixtures, and test rigs used in prototype assembly and validation.
Read and interpret mechanical drawings, GD&T callouts, and 3D CAD models to execute fabrication tasks with minimal supervision.

Lab Operations & Organization

Maintain a highly organized, clean, and safe lab environment; enforce 5S principles across workstations and storage.
Manage lab inventory including materials, consumables, fasteners, adhesives, and tooling; reorder supplies before stockouts.
Follow and improve build procedures; document builds with photos, measurements, and structured notes.
Coordinate with vendors for outsourced parts: obtain quotes, track orders, inspect incoming parts for conformance.
Support engineering testing by preparing samples, running measurements, and logging data.

Required Qualifications:

5+ years of hands-on experience in mechanical fabrication, prototyping, or a related role in consumer electronics, robotics, or hardware development.
Demonstrated skill in commissioning and maintaining benchtop fabrication equipment (3D printers, CNC, laser cutters).
Strong hand-tool proficiency and precision assembly skills—comfortable working with small parts, tight tolerances, and delicate components.
Ability to read and work from mechanical drawings, GD&T callouts, and 3D models.
Strong understanding of common engineering materials: plastics (ABS, PC, nylon), metals (aluminum, steel, brass), adhesives, and fasteners.
Highly organized with exceptional attention to detail and a commitment to a clean, well-maintained lab.
Dependable, safety-conscious, and able to prioritize and manage multiple concurrent tasks.
Strong verbal and written communication skills.
On-site role; this position requires daily hands-on presence in the lab.

Preferred Qualifications:

Previous experience at a startup or early-stage hardware company.
Familiarity with MCAD tools (SolidWorks, Fusion 360) for viewing and measuring models.
Experience with soft goods, textiles, or composite materials.
Comfort with basic electrical assembly: connectors, cable harnesses, simple soldering.
Exposure to metrology tools: calipers, micrometers, height gauges, optical comparators.

Sesame is committed to a workplace where everyone feels valued, respected, and empowered. We welcome all qualified applicants, embracing diversity in race, gender, identity, orientation, ability, and more. We provide reasonable accommodations for applicants with disabilities. Contact [email protected] for assistance.

Full-time Employee Benefits:

401 (k) max employer match: 3.5% of compensation
100% employer-paid health, vision, and dental benefits for you and your dependents
Unlimited PTO and sick time
Flexible spending account with employer matching up to $1,650/year (medical FSA)
Guardian Employee Assistance Program (EAP)
Opportunity to share in the company's success with competitive stock options

Benefits do not apply to contingent/contract workers.

Compensation Range: $120K - $180K

Apply Now

Refine Your Search

composites technician jobs in south san francisco, ca

Fabrication Technician

Composites Technician C

Composites Technician A

Composite Technician

Senior Fleet Maintenance Technician

Composite Technician - II

Maine Composites Bridge

Quality Engineer

Airframe Manufacturing Lead

Machinist/Programmer