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Job Description

Overview

CesiumAstro is a developer of innovative communication systems for space and airborne platforms, seeking a Senior Mechanical Engineer to join their Mechanical Engineering team. The role involves mechanical design for space hardware, particularly in the context of phased array antennas and subsystems.

Responsibilities

  • Responsible for mechanical design aspects of phased array antennas and subsystems.
  • Conduct requirements definition, architecture trades, and block diagrams.
  • Perform mechanical analysis, electronics packaging, and thermal architecture.
  • Engage in manufacturing, testing, qualification, and in-orbit support.
  • Present engineering design review materials to customers and the executive team.
  • Participate in proposal-writing efforts.

Requirements

  • Bachelor of Science (BS) in Mechanical or Aerospace Engineering.
  • Minimum of 4 years of experience in space antenna and payload mechanical engineering.
  • Experience in conducting architectural trade studies.
  • Proficient with mechanical and FEA CAD tools, such as Ansys Mechanical and SolidWorks Simulation.
  • Experience with CNC manufacturing and GD&T.
  • Familiarity with advanced aerospace manufacturing and materials.
  • Proficiency in detailed mechanical design including 3D CAD.
  • Experience designing and manufacturing mechanisms and mechanical actuators.
  • Familiarity with EMI/EMC mitigation techniques.
  • Understanding of satellite thermal architectures and orbital thermal control.

Benefits

  • Health Insurance
  • Dental
  • Vision
  • 401k

Benefits

Health Insurance
Dental
Vision
401k
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How this job compares in El Segundo, CA

Pay in context

At roughly $63/hr, this posting sits about 30% above the $48/hr median for welding jobs in El Segundo, CA — toward the top of a $38–$77/hr middle band drawn from 16 postings with published pay. Put another way, it pays more than about 63% 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 El Segundo, CA

We're tracking 18 other active welding openings in El Segundo, CA right now, from 9 different employers. 4 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 El Segundo, or widen the search to California.

CesiumAstro currently has 1 other opening 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. El Segundo is among them.

Similar openings near El Segundo, 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 Mechanical Engineer figures were last recalculated when this page was built.