# 3D Printing Lab Technician, Robotics

**Company:** [OpenAI](https://hotfix.jobs/companies/openai)
**Location:** San Francisco, CA
**Role:** Hardware Engineering
**Salary:** $266k – $399k/yr
**Experience:** 4+ years
**Skills:** 3D Printing, Additive Manufacturing, Fdm, Sla, Sls, Mjf, Polyjet, Post-Processing, Prototype Development, Electromechanical Assembly
**Posted:** 2026-05-19

> Owns day-to-day operation of robotics 3D printing lab, managing printers, workflows, and rapid prototyping support for mechanical and electrical engineering teams. Requires 4+ years of hands-on additive manufacturing experience in fast-paced hardware development environments.

## Job Description

## Responsibilities
- Lead operation, maintenance, and calibration of a fleet of 3D printers supporting robotics prototyping efforts
- Develop and maintain workflows for print submission, prioritization, tracking, and delivery across engineering teams
- Prepare, process, and optimize print jobs across a variety of additive manufacturing technologies and materials
- Perform post-processing operations including support removal, finishing, bonding, machining, dyeing, and assembly preparation
- Inspect completed parts for dimensional accuracy, cosmetic quality, and print integrity before delivery to engineers
- Partner with engineering teams to provide guidance on material selection, print orientation, tolerancing, and manufacturability
- Manage inventory of printing materials, consumables, spare parts, and maintenance supplies to ensure high printer uptime
- Support rapid prototyping workflows by assisting with mechanical builds, subsystem integration, and general prototype technician work
- Troubleshoot machine, process, and print quality issues across additive manufacturing workflows
- Help maintain a clean, organized, safe, and highly functional prototyping environment

## Requirements
- 4+ years of experience operating additive manufacturing systems in prototyping, robotics, product development, or manufacturing environments
- Experience with a variety of 3D printing technologies such as FDM, SLA, SLS, MJF, or PolyJet
- Familiarity with additive manufacturing materials, post-processing methods, and prototype finishing techniques
- Experience supporting hardware engineering teams in fast-paced development environments
- Familiarity with general electromechanical assembly, prototype builds, or robotics hardware systems
- Deep hands-on experience with additive manufacturing systems and building reliable workflows around physical hardware
- Highly organized and comfortable managing many concurrent prototype requests in fast-paced environments
- Understand tradeoffs between different printing technologies, materials, tolerances, and post-processing methods
- Enjoy hands-on technical work and comfortable supporting a broad range of prototype and build activities
- High bar for craftsmanship, lab discipline, and part quality

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**Apply:** https://hotfix.jobs/jobs/4dbd9348-490c-46bb-bbea-e55f077a14cd
**Canonical:** https://hotfix.jobs/jobs/4dbd9348-490c-46bb-bbea-e55f077a14cd