OptiTalent · Job Finder
Jobs in El Segundo, United States
82 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
61–80 of 82 jobs
Senior Equipment Engineer
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $184.8K a yearEngineeringRadiant is seeking a highly motivated Senior Equipment Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. You will be part of the early team that develops…
Senior Manager, Embedded Systems Engineering
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeManager$208.5K – $284K a yearEngineeringRadiant is seeking a Senior Manager of Embedded Engineering to lead the embedded software engineering team through the critical path to commercialization, planning and executing the embedded software architecture for I&C systems with a direct line to Kaleidos' 2028 deployment…
Investor Relations Director
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeDirector$154.5K – $256.2K a yearFinanceWe recently closed a oversubscribed $350M Series D at a $1.8B valuation, backed by Andreesen Horowitz, DCVC, Boost Ventures, Draper Associates, Chevron Tech Ventures, Founders Fund, IQT, LM Ventures and others. We’ve grown to north of 200 people this year and we are just…
Senior Mechanical Engineer, Mechanisms
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $184.8K a yearEngineeringRadiant is seeking a highly motivated Senior Mechanical Engineer, Mechanisms to design and develop critical mechanisms within Kaleidos. You will solve unique challenges creating efficient and reliable mechanisms that control reactivity or actuate critical safety features. You…
Radiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$200.5K – $314.5K a yearEngineeringRadiant is seeking a Principal Electrical Engineer, HIL to lead the electrical system architecture and test infrastructure for Kaleidos, our commercial microreactor targeted for deployment in 2028. You will own end-to-end electrical integration, from architecture and…
Media Relations Director
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeDirector$154.5K – $256.2K a yearOperationsWe're looking for a Media Relations Director to own Radiant's external media presence—from podcast bookings and journalist relationships to investor amplification and executive communications. This role is critical: despite Radiant having more substance, competitors are seeking…
Senior Mechanisms Engineer
4 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$133.5K – $184.8K a yearEngineeringRadiant is seeking a highly motivated Senior Mechanisms Engineer to design and develop critical mechanisms within Kaleidos. You will solve unique challenges creating efficient and reliable mechanisms that control reactivity or actuate critical safety features. You will be…
Senior Technical Recruiter
5 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$115K – $168K a yearPeople & HROwn and manage the full-cycle recruiting process, delivering an exceptional candidate experience from first contact to signed offer.; Partner closely with hiring managers and senior leadership to define hiring strategies, establish best practices, and close high-caliber…
Principal Embedded Software Engineer
5 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$200.5K – $314.5K a yearEngineeringRadiant is seeking a Principal Embedded Software Engineer to set the technical direction for embedded software across instrumentation and control (I&C) systems. You will define architecture, establish engineering standards, and personally drive the development of…
Mechanical Engineer, Fluid Systems
5 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$107.5K – $150K a yearEngineeringRadiant is seeking a highly motivated Mechanical Engineer, Fluids Systems to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the…
Staff Mechanical Engineer, Fluid Systems
5 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$200.5K – $314.5K a yearEngineeringRadiant is seeking a highly motivated Staff Mechanical Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor…
Senior Mechanical Engineer, Fluid Systems
5 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringRadiant is seeking a highly motivated Senior Mechanical Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor…
Manager, Regulatory Systems Engineering
6 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeManager$186K – $258.3K a yearEngineeringRadiant is seeking an experienced Manager, Regulatory Engineering who loves to think outside the box and challenge convention; in this role you will lead the authorization process for reactor deployment with our military partners. You will be responsible for regulatory…
Systems Engineer
6 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeMid level$133.5K – $190.1K a yearEngineeringRadiant is seeking a Systems Engineer to develop, maintain, and govern engineering design standards, requirements, and verification methodologies for the mass production of nuclear reactors. This role bridges systems engineering, design, analysis, manufacturing, and operations.…
Senior Build Engineer, Turbomachinery
6 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringRadiant is seeking a highly motivated Senior Build Engineer to lead the assembly, integration, and build execution of high-performance turbomachinery systems for our portable nuclear microreactor. This is a hands-on engineering role requiring strong mechanical fundamentals,…
Engineering Manager, Electronics
7 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeManager$208.5K – $284K a yearEngineeringRadiant is seeking an Engineering Manager to lead the Electronics team. This team owns the electronics architecture for terrestrial reactor controls, with a long-term path toward space reactor applications. You will be the technical authority for custom hardware—low-noise…
Senior Power Electronics Engineer
7 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringThe Senior Power Electronics Engineer will play a pivotal role in the design and development of the power electronics of our nuclear-driven high-speed generator. Responsibilities include but are not limited to the design of high-voltage and high-speed generator drives, DC-DC…
Principal Power Systems Engineer
8 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$200.5K – $314.5K a yearEngineeringRadiant is seeking a talented Principal Power Systems Engineer to lead the design, modeling, and validation of electrical power systems supporting our nuclear microreactor platform. You will play a critical role in defining how power is generated, conditioned, controlled, and…
Lead Test Engineer, Power Generation
9 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeLead / staff$150.5K – $207.9K a yearEngineeringRadiant is seeking a Lead Test Engineer, Power Generation to own the strategy, execution, and team leadership for testing the power generation system including turbomachinery, heat exchangers, controls, and primary cooling systems. This role is ideal for a hands-on technical…
Senior Electrical Engineer, Controls
9 months agoRadiant Industries · El Segundo, California, United States
On-siteFull-timeSenior$158K – $219.5K a yearEngineeringRadiant is seeking a talented Senior Electrical Engineer, Controls to own designs from requirements capture through operation. The candidate will be directly responsible for components of the nuclear microreactor control and measurement systems. The ideal candidate should be…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.