Senior Electrical Engineer, HIL & Test Systems Lead

Radiant; El Segundo (CA); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Stock plan

Medical benefits

One Medical membership

Vision coverage

Dental coverage

Life and related insured benefits

Parental leave

Educational program

Daily catered lunch

Flexible PTO

Team events

HQ near the ocean

Job summary

Radiant in El Segundo, CA seeks a Principal Electrical Engineer, HIL to lead electrical system architecture and test infrastructure for Kaleidos, a 1 MW portable microreactor planned for 2028 deployment. Own end-to-end electrical integration from architecture to hardware bring-up, testing, and commissioning, and lead Hardware-in-the-Loop system development.

You will collaborate across mechanical, software, and systems engineering, define the electrical architecture, and drive validation

Qualifications

• BS in Electrical Engineering or related field.
• 8+ years in hardware, controls, or test systems.
• 5+ years developing hardware-in-the-loop (HIL) systems.
• Experience setting technical direction and mentoring engineers.
• Proven ability to deliver a functional product under tight timelines.
• Experience with DAQ and test systems (NI PXI, dSPACE, Speedgoat).
• Proficiency with LabVIEW, TestStand, and at least Python/C++.

Responsibilities

• Build the HIL platform from the ground up, including plant simulation and real hardware in the loop.
• Own design, build, and maintenance of electrical test infrastructure.
• Define and own electrical and software integration requirements across power, signaling, and device simulation.
• Manage the communication layer between hardware, control systems, and software protocols.
• Define and drive electrical validation strategies and test procedures.
• Oversee schedule, budget, and vendor management for electrical activities.
• Lead design reviews and coordinate decisions with electrical, embedded, software, and controls teams.

Skills

Electrical design

HIL systems

Embedded controls

LabVIEW scripting

Python/C++

DAQ/IO interfaces

Cross-functional leadership

High-reliability environments

Education

BS in Electrical Engineering

MS in Electrical Engineering

Tools

NI PXI

dSPACE

Speedgoat

LabVIEW

TestStand

Job description

Radiant in El Segundo, CA seeks a Principal Electrical Engineer, HIL to lead electrical system architecture and test infrastructure for Kaleidos, a 1 MW portable microreactor planned for 2028 deployment. Own end-to-end electrical integration from architecture to hardware bring-up, testing, and commissioning, and lead Hardware-in-the-Loop system development.

You will collaborate across mechanical, software, and systems engineering, define the electrical architecture, and drive validation