EngRadardirect-apply
98 open roles · as of 2026-09-29

Radiant

What Radiant is hiring for and where it's growing — measured from live, direct-apply postings on their own careers page.

As of 2026-09-29, Radiant has 98 open roles, +9 net over 28 days — steady. Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors.

Active roles
98
Net · 28 days
+9
Momentum
steady
Median days open
31

Scaling now

Most new openings in the last 28 days: engineering (14), other (7), operations (2).

Open roles by function

engineering68other15operations7people hr2marketing1trades field1legal1finance1data analytics1admin1

Seniority

senior40unspecified32junior11principal8director7

Open roles · engineering 68

all engineering 68 other 15 operations 7 people hr 2 marketing 1 trades field 1 legal 1 finance 1 data analytics 1 admin 1

Nuclear Engineer, Sensors

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$115k–$162k 18d ago

Lead Nuclear Engineer

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$161k–$223k 18d ago

Senior Tooling Engineer

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$133k–$184k 27d ago

Staff Structures Engineer

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$168k–$207k 1mo ago

Senior Stress Engineer

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$133k–$184k 1mo ago

Quality Systems Engineer

Radiant · Radiant is an El Segundo, CA-based startup building the world’s …

El Segundo, CA nuclearenergy
$133k–$190k 1mo ago