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Junior Additive Manufacturing Jobs in California

Velo3D

Lead Capital Equipment Technician

Fremont, CA

$40 - $50/hr

Mentor and train new and junior technicians on equipment operation, troubleshooting, preventive ... Perform advanced troubleshooting and repair of Velo3D additive manufacturing systems, including ...

Velo3D

Lead Capital Equipment Technician

Fremont, CA · On-site

$40 - $50/hr

Mentor and train new and junior technicians on equipment operation, troubleshooting, preventive ... Perform advanced troubleshooting and repair of Velo3D additive manufacturing systems, including ...

Velo3D

Lead Capital Equipment Technician

Fremont, CA · On-site

$40 - $50/hr

Mentor and train new and junior technicians on equipment operation, troubleshooting, preventive ... Perform advanced troubleshooting and repair of Velo3D additive manufacturing systems, including ...

Arbor Energy

Lead Combustion Engineer

El Segundo, CA

$170K - $185K/yr

You'll mentor junior engineers, align cross-functional efforts with test, analysis, and design ... Champion the use of additive manufacturing, modern CFD/tools, and advanced simulation to shorten ...

LettrLabs

Senior Mechanical Design Engineer

Los Angeles, CA · On-site

$150K - $180K/yr

Mentor junior engineers and contribute to design reviews and best practices What Success Looks Like ... waterjet, additive manufacturing) * Strong command of Design for Manufacturing and Design for ...

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Junior Additive Manufacturing information

What does a junior additive manufacturing engineer do?

A Junior Additive Manufacturing Engineer assists in designing, developing, and producing parts using 3D printing technologies. They work under the supervision of senior engineers to prepare digital models, operate additive manufacturing equipment, and ensure products meet quality standards. Their responsibilities can also include troubleshooting printer issues, post-processing printed parts, and maintaining documentation. This entry-level role often involves learning and applying new techniques as the technology evolves.

What are some common challenges that junior additive manufacturing professionals face in their first year, and how can they overcome them?

Junior Additive Manufacturing professionals often encounter challenges such as mastering a variety of 3D printing technologies, understanding material properties, and troubleshooting machine errors. Adapting to rapid design changes and learning to efficiently operate and maintain equipment are also common hurdles. To overcome these, it's helpful to seek mentorship from experienced colleagues, actively participate in team meetings, and take advantage of training resources provided by the company. Staying curious and open to feedback will accelerate learning and contribute to successful integration into the team.

What are the key skills and qualifications needed to thrive as a junior additive manufacturing engineer, and why are they important?

To thrive as a Junior Additive Manufacturing Engineer, you need a solid understanding of engineering principles, 3D modeling, and familiarity with additive manufacturing processes, usually supported by a degree in engineering or a related field. Knowledge of CAD software (such as SolidWorks or AutoCAD), experience with 3D printers, and awareness of industry standards are typically required. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills that help you excel in this role. Mastery of these skills ensures precise, innovative, and efficient design-to-production workflows in a rapidly evolving manufacturing environment.

What is the difference between Junior Additive Manufacturing vs Junior CNC Machinist?

AspectJunior Additive ManufacturingJunior CNC Machinist
Required CredentialsHigh school diploma, training in additive manufacturing processesHigh school diploma, training in CNC programming and machining
Work Environment3D printing labs, manufacturing facilitiesMachine shops, manufacturing floors
Industry UsageRapid prototyping, custom parts productionPrecision parts manufacturing, metalworking

Both roles involve manufacturing skills but focus on different technologies. Junior Additive Manufacturing specialists work with 3D printing processes, while Junior CNC Machinists operate computer-controlled machines. Understanding these differences helps in choosing the right career path or job search focus.

What are the most commonly searched types of Additive Manufacturing jobs in California?

The most popular types of Additive Manufacturing jobs in California are:

What are popular job titles related to Junior Additive Manufacturing jobs in California?

For Junior Additive Manufacturing jobs in California, the most frequently searched job titles are:

What job categories do people searching Junior Additive Manufacturing jobs in California look for?

The top searched job categories for Junior Additive Manufacturing jobs in California are:

What cities in California are hiring for Junior Additive Manufacturing jobs?

Cities in California with the most Junior Additive Manufacturing job openings:

Junior Additive Manufacturing jobs near you

Principal Additive Manufacturing Engineer

Arcturus Technologies inc

Los Angeles, CA • On-site

Full-time

Posted 3 days ago

New

Job description

Principal Additive Manufacturing Engineer
Los Angeles, CA (in-person)
About Arcturus
Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid.
Why you should join us
This is a ground-floor opportunity to help build something that has never been done before.
You would join as an early principal technical hire and help define how Arcturus turns metal additive manufacturing into a core company capability. This is a high-ownership individual contributor role for someone who wants to solve hard manufacturing problems, mentor others, and help build a first-of-its-kind materials platform from the ground up.
Purpose
We are seeking a Principal Additive Manufacturing Engineer who can own major AM process development workstreams across LPBF, DED, and related metal processing methods. This person will help develop, troubleshoot, and scale additive manufacturing processes for carbon nanomaterial-infused aluminum and copper systems, translating ambiguous technical goals into repeatable process windows, hardware decisions, and measurable material performance.
The role
This role will work closely with Arcturus' CEO.
What you'll do
  • Own major additive manufacturing workstreams across LPBF, DED, and related metal processing approaches for infused metal parts and wire
  • Develop process windows for aluminum and copper systems that preserve conductivity, mechanical integrity, and carbon nanomaterial performance through fabrication
  • Lead parameter development, build strategy, scan strategy, thermal management, and machine/process troubleshooting
  • Serve as a senior technical voice on metal AM process physics, melt pool behavior, lasers, machine behavior, powder/feedstock handling, and print quality
  • Lead design-for-additive-manufacturing decisions, including build orientation, support strategy, geometry tradeoffs, distortion risk, and downstream process readiness
  • Diagnose and resolve print failures including porosity, cracking, distortion, poor bonding, inconsistent density, geometry drift, and surface quality issues
  • Build process maps that connect machine inputs, feedstock, atmosphere, thermal history, and post-processing to material outcomes
  • Partner with nanomaterials, process, characterization, mechanical, and product engineering to connect print process to final conductor performance
  • Develop qualification plans, build records, process documentation, and acceptance criteria for repeatable development and future scale-up
  • Use DOE, data analysis, and structured root-cause methods to improve yield, repeatability, throughput, and cost
  • Mentor junior engineers, interns, and technicians as the AM team grows
  • Contribute to invention disclosures, patent strategy, and internal technical documentation with a high bar for rigor and clarity

Basic qualifications
  • BS, MS, or PhD in mechanical engineering, materials science, manufacturing engineering, welding engineering, metallurgical engineering, physics, or a related field
  • 5+ years of hands-on experience in additive manufacturing, advanced manufacturing, metal processing, powder metallurgy, laser processing, welding, or a closely related field
  • Strong experience with metal AM processes such as LPBF, DED, WAAM, EBAM, cold spray, powder metallurgy, or related metal processing methods
  • Strong understanding of melt pool physics, heat transfer, solidification, residual stress, metallurgical behavior, and process-structure-property relationships
  • Demonstrated experience developing, optimizing, troubleshooting, and documenting manufacturing or AM processes in real hardware environments
  • Ability to lead technical workstreams, mentor others, and drive ambiguous problems toward clear technical decisions
  • Strong scientific and technical writing skills, including process documentation, test plans, specifications, and invention disclosures

Preferred qualifications
  • Deep experience with LPBF and/or DED process development
  • Experience printing or processing aluminum and/or copper alloys
  • Experience with metal matrix composites, unusual feedstocks, carbon nanomaterial-infused metals, or other non-standard AM material systems
  • Experience with machine-level AM development, including lasers, optics, motion systems, shielding gas, powder handling, feedstock delivery, sensing, or controls
  • Familiarity with AM build preparation tools, CAD, slicing, support generation, scan strategy setup, and print simulation workflows
  • Experience qualifying and scaling AM processes in aerospace, automotive, energy, or another high-performance manufacturing environment
  • Experience working in a startup or first-of-its-kind manufacturing environment

What we offer
  • Competitive cash compensation and meaningful equity
  • Direct technical ownership over a core manufacturing platform
  • The chance to define the playbook for nanomaterial-enhanced metal additive manufacturing
  • Relocation support for employees moving from outside the Los Angeles area

Apply