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Job Description

Overview

Radiant is a startup based in El Segundo, CA, focused on building the world’s first mass-produced, portable nuclear microreactors. They are seeking a Senior Structures Engineer to design critical concrete and precast structural systems that support their manufacturing and deployment sites.

Responsibilities

  • Own critical concrete structures such as spent fuel dry cask storage systems and factory foundations.
  • Conduct trade studies and develop designs for static, thermal, and seismic loading conditions.
  • Perform detailed structural analysis to determine structural integrity using hand calculations and finite element tools.
  • Develop and execute construction, fabrication, and test plans for concrete elements.
  • Create and manage a Bill-of-Materials (BOM).
  • Find and develop suppliers and fabricators for precast concrete components.
  • Own subassembly/structure design, fabrication, and test schedules.
  • Conduct risk analysis (FMEA) for concrete structural subsystems.
  • Collect requirements and provide expertise to engineers in other functional areas.

Requirements

  • Bachelor's degree in Civil, Structural, or Mechanical Engineering.
  • 5+ years of experience designing concrete or reinforced concrete structures.
  • 4+ years of experience performing structural analysis using hand calculations and finite element tools.

Benefits

  • Stock
  • Health Insurance
  • Vision
  • Dental
  • PTO

Additional Information

  • Must be willing to work extended hours and weekends as necessary.
  • Must work 100% onsite at El Segundo HQ.

Benefits

Stock
Health Insurance
Vision
Dental
PTO
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How this job compares in El Segundo, CA

Pay in context

This employer didn't publish a rate. For reference, welding jobs in El Segundo, CA currently run a median of $38/hr in our index, with the middle half of them falling between $38–$67/hr across 13 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 El Segundo, CA

We're tracking 15 other active welding openings in El Segundo, CA right now, from 10 different employers. 13 of them were added in the last week. Across California as a whole we're tracking 627 other active welding openings from 306 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.

Radiant currently has 4 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 (31), Aerotek (16), and Volt (16). 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 Redondo Beach at $51/hr, Santa Ana at $48/hr, and Long Beach at $40/hr. If you can relocate or commute, that spread is worth factoring in.

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 Structural Engineer, Concrete figures were last recalculated when this page was built.