EngRadardirect-apply
77 open roles · as of 2026-06-29

Radiant

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

As of 2026-06-29, Radiant has 77 open roles, +20 net over 28 days — accelerating. Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors.

Active roles
77
Net · 28 days
+20
Momentum
accelerating
Median days open
16

Scaling now

Most new openings in the last 28 days: engineering (17), other (6), operations (2).

Open roles by function

engineering55other8operations4finance2people hr2marketing2data analytics2sales1customer1

Seniority

senior35unspecified24principal7junior6director4executive1

Open roles · engineering 55

all engineering 55 other 8 operations 4 finance 2 people hr 2 marketing 2 data analytics 2 sales 1 customer 1

Senior Thermal Engineer

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

El Segundo, CA nuclearenergy
$139k–$224k 2mo ago

Lead Nuclear Engineer

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

El Segundo, CA nuclearenergy
$140k–$237k 4mo ago