Senior Avionics Mechanical Engineer

Location

Los Angeles, CA

Wage

$137,000 – $193,000/yr

Employment Type

Full-time

Apply for This Position

Posted on November 4, 2026

Job Description

Overview

Inversion is an aerospace and defense company focused on advanced reentry technology, transforming reentry into an operational capability for new missions. The Senior Mechanical Engineer will design and analyze electromechanical systems for spacecraft operating in extreme environments.

Responsibilities

  • Design avionics mechanical systems to protect mission-critical electronics during flight.
  • Lead mechanical design and packaging of avionics enclosures and sensor mounting systems.
  • Perform structural, thermal, and electromagnetic analysis to validate designs.
  • Develop and execute test campaigns for functional and environmental qualification.
  • Create engineering drawings, assembly procedures, and design specifications.
  • Collaborate with fabrication and assembly teams for hardware integration.
  • Drive design reviews and present technical trade studies.
  • Work with electrical engineers to optimize PCB layouts and cable routing.
  • Coordinate with suppliers for custom component procurement.
  • Support vehicle integration and provide technical expertise during operations.

Requirements

  • Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Electrical Engineering, or related field.
  • Typically 5+ years of experience designing and testing electromechanical systems.
  • Experience with PCB schematic capture and board layout using ECAD software.
  • Proficiency in 3D CAD software such as NX, CATIA, or SolidWorks.
  • Hands-on experience with structural and thermal analysis using FEA tools.
  • Ability to design for harsh environments including vacuum and extreme temperatures.
  • Understanding of mechanical systems including mechanisms and actuators.
  • Working knowledge of electrical systems including power distribution and sensors.
  • Experience with environmental testing and qualification programs.
  • Proficiency in creating detailed engineering drawings with GD&T.

Additional Information

  • Office headquarters located in Playa Vista, CA.
  • Position requires in-office presence.

How this job compares in Los Angeles, CA

Pay in context

At roughly $79/hr, this posting sits about 80% above the $44/hr median for welding jobs in Los Angeles, CA — toward the top of a $36–$66/hr middle band drawn from 51 postings with published pay. Put another way, it pays more than about 88% of the comparable postings we have wage data for. Pay that far above local median usually comes attached to something: a harder cert requirement, travel, night shift, or overtime that isn't really optional. Worth establishing which before you accept.

The local market in Los Angeles, CA

We're tracking 87 other active welding openings in Los Angeles, CA right now, from 50 different employers. 18 of them were added in the last week. Across California as a whole we're tracking 486 other active welding openings from 234 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.

Inversion currently has 3 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 (35), Welding Shop in Los Angeles, CA (17), and Relativity Space (14). 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, El Segundo at $48/hr, and Los Angeles at $44/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. Senior Avionics Mechanical Engineer figures were last recalculated when this page was built.