Manufacturing Engineering Intern - Summer 2027

Location

Los Angeles, CA

Employment Type

Temporary

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Posted on October 26, 2026

Job Description

Overview

Antares is on a mission to make clean energy abundant from Earth to the Asteroid Belt by building mass-producible, inherently safe, deployable microreactors. The Manufacturing Engineering Intern will work alongside engineers to contribute to the development and testing of fission microreactors, gaining hands-on experience in a fast-paced environment.

Responsibilities

  • Help develop, revise, and release clear manufacturing work instructions for development and test hardware.
  • Support the planning and execution of test builds, including build readiness, materials, tools, sequencing, and documentation.
  • Develop concepts of operations (CONOPS) that define build objectives, roles, workflow, safety considerations, and expected outcomes.
  • Lead defined portions of test and development builds under the guidance of manufacturing engineers.
  • Perform hands-on assembly, integration, inspection, and test support as appropriate for the assigned hardware and training.
  • Capture build data, deviations, issues, and lessons learned; translate findings into improved instructions and processes.
  • Partner with design, test, quality, and operations teams to resolve build issues and incorporate manufacturability feedback.
  • Maintain an organized, safe, and quality-focused work environment while following applicable procedures and controls.

Requirements

  • Currently pursuing a degree in mechanical engineering or another relevant engineering or technical discipline.
  • Hands-on experience through coursework, a student design team, research, employment, or personal technical projects.
  • Ability to communicate technical information clearly in written instructions and verbal updates.
  • Ability to work collaboratively and learn in a hands-on manufacturing and test environment.
  • Experience creating procedures, work instructions, build plans, test plans, or other technical documentation.
  • Experience assembling, fabricating, integrating, or testing mechanical hardware.
  • Familiarity with engineering drawings, CAD, GD&T, bills of materials, or manufacturing process documentation.
  • Experience collecting test data, documenting nonconformances or build issues, and communicating results.
  • Participation in Formula SAE, Baja SAE, rocketry, robotics, maker, laboratory, or comparable hands-on project work.
  • Comfort working through ambiguity, asking precise questions, and taking ownership of defined deliverables.
  • Ability to follow required safety procedures and use assigned personal protective equipment in manufacturing, laboratory, and test environments.

Benefits

  • Relocation stipend
  • Housing stipend

Additional Information

  • Internships are based at the Torrance headquarters and require onsite work five days per week.
  • Two cohorts available: May 17 – August 13 and June 14 – September 10.

Benefits

Relocation stipend
Housing stipend

How this job compares in Los Angeles, CA

Pay in context

This employer didn't publish a rate. For reference, welding jobs in Los Angeles, CA currently run a median of $43/hr in our index, with the middle half of them falling between $35–$64/hr across 53 postings with published pay. That median is a reasonable floor to anchor on when a recruiter asks what you're looking for.

The local market in Los Angeles, CA

We're tracking 81 other active welding openings in Los Angeles, CA right now, from 52 different employers. 33 of them were added in the last week. Across California as a whole we're tracking 565 other active welding openings from 259 employers. A metro this active generally means you have real leverage — employers here are competing for the same welders. Browse every welding job in Los Angeles, or widen the search to California.

Antares currently has 5 other openings live in California, which is usually a sign of either steady growth or steady turnover — worth asking which in the interview.

The most active employers in California at the moment, by number of open welding reqs, are SpaceX (37), Relativity Space (21), and Honeywell Aerospace (17). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Within California, the best-paying metros we track by median hourly rate are Long Beach at $49/hr, Santa Ana at $48/hr, and Los Angeles at $43/hr. Los Angeles is among them.

Similar openings near Los Angeles, CA

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Manufacturing Engineering Intern - Summer 2027 figures were last recalculated when this page was built.