El Segundo, California, United States · On-site
$115k–$150k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Mechanical Design, Pressure Vessel Design, Structural Analysis, ASME Boiler and Pressure Vessel Code, Thermal Cycling Testing
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Mechanical Design, Pressure Vessel Design, Structural Analysis, ASME Boiler and Pressure Vessel Code, Thermal Cycling Testing
El Segundo, California, United States · On-site
$115k–$150k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Electrical Hardware Design, Electrical Architecture, Communication Protocols, Signal Conditioning, Electromechanical Systems
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Design For Manufacturability, CNC Programming, CAM Workflows, Geometric Dimensioning And Tolerancing, Root Cause Analysis
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Mechanical Design, Manufacturing, Fluid Dynamics, Thermal Systems, Hardware Validation
El Segundo, California, United States · On-site
$115k–$150k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Mechanical Design, Fluid Dynamics, Thermal Systems, Hardware Analysis, Environmental Testing
El Segundo, California, United States · On-site
$115k–$150k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Fluid Systems Design, Mechanical Hardware Design, Fluids Analysis, Manufacturing Scaling, Test Instrumentation
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Fluid systems design, Mechanical engineering, Fluids analysis, Technical leadership, Trade studies
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Electrical Hardware Design, Electrical Architecture, Signal Conditioning, Electromechanical Systems, High-Power Generators
El Segundo, California, United States · On-site
$96k–$182k/yr
Date Posted: 2026-07-17 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. cit…
Skills: Electronic Packaging, ANSI Drawing Standards, GD&T, CREO, RF Principles
El Segundo, California, United States · On-site
$146k–$277k/yr
Date Posted: 2026-07-17 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Activ…
Skills: Electro-optical Systems, IR Sensor Systems, System Integration, Technical Leadership, Risk Management
El Segundo, California, United States · On-site
$140k–$190k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Nuclear Core Design, Reactivity Control, Radiation Shielding Analysis, Thermal Hydraulics, Fuel Cycle Design
El Segundo, California, United States · On-site
$115k–$150k/yr
Forge Atomics Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is d…
Skills: Nuclear Core Design, Reactivity Control, Radiation Shielding, Thermal Hydraulics, Fuel Cycle Design
El Segundo, California, United States · On-site
IESE Solutions is seeking Aerospace Systems Engineers to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Positions are available in El Segundo, …
Skills: Systems Engineering, Systems Integration, Model-Based System Engineering, Agile Development, DevOps
El Segundo, California, United States · On-site
$100k–$130k/yr
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to pr…
Skills: 3D CAD, GD&T, Fluid Dynamics, Hydraulics, Pneumatics
El Segundo, California, United States · On-site
$150k–$250k/yr
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to pr…
Skills: Magnetic Design, Electromagnetic Analysis, FEA, ANSYS Maxwell, Thermal Analysis
El Segundo, California, United States · On-site
$150k–$250k/yr
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to pr…
Skills: Fluid Dynamics, Hydraulics, Pneumatics, 3D CAD, GD&T
El Segundo, California, United States · On-site
$150k–$250k/yr
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to pr…
Skills: Test Rig Design, Fluid Dynamics, Data Acquisition, Hydraulic Systems, Pneumatic Systems
El Segundo, California, United States · On-site
$100k–$130k/yr
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ones we already have has eroded. Today, the gap between what the nation needs to pr…
Skills: Test Rig Construction, Data Acquisition, Fluid Mechanics, Instrumentation, Hydraulic Systems
El Segundo, California, United States · On-site
$95k–$166k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Microwave Testing, RF Analysis, Network Analyzers, Spectrum Analyzers, High-speed Oscilloscopes
Forge Atomics Inc.
El Segundo, California, United States • On-site
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Design, build, and test reactor hardware including pressure vessels, containment structures, and seismic isolation for a pilot nuclear reactor. Collaborate with manufacturers and cross-functional teams to optimize designs for cost, mass, and manufacturability.
Requires a Bachelor's degree in mechanical engineering and at least one year of experience designing mechanical hardware. Preferred candidates have experience with high-pressure systems, ASME codes, and a background in engineering competition teams.
Humanity faces two critical challenges: securing reliable energy and aggressively lowering our environmental impact. At Forge, we believe nuclear fission is the key to solving both at once. Today Forge is developing the technology to rapidly scale the deployment of nuclear fission.
As a structures engineer at Forge, you'll be responsible for designing and building reactor hardware such as the pressure vessel, containment, and structural elements for Ember, our pilot 25 MWe reactor. These designs must withstand the extreme temperature and pressure environments of our reactor while meeting regulatory requirements and being optimized for cost, mass, and manufacturability. Successful candidates will have previously demonstrated extreme ownership in delivering mechanical systems in fast-paced, high-reliability environments.
Design, build and test pressure vessels, containment structures, seismic isolation, and secondary structures for Ember, our pilot nuclear reactor
Carry out trade studies for optimal structural materials, balancing cost, mass, strength, corrosion resistance, and manufacturability
Validate reliability of designs with rigorous testing: thermal cycling, pressure cycling, shock, vibration, radiation embrittlement, and corrosion. Design experiments to ground analysis, develop fixturing, and create technical reports based on results
Work with manufacturers to understand process limitations and adapt designs for lead times and manufacturability
Collaborate with peers from different systems to develop designs that balance cost, efficiency, and deployment logistics
Support the assembly of your hardware in the factory, witness your designs being brought to life daily, and watch them power an abundant, clean future
Bachelor's degree in mechanical engineering or a related technical discipline
1+ years of engineering experience designing, analyzing, and building mechanical hardware (internships and school project team experience qualify)
Strong interpersonal and collaborative skills, enthusiasm for problem solving, and desire to enable abundant clean energy
Experience leading or working on an engineering competition team, i.e. Formula SAE, Baja SAE, Solar Car, Rocketry, Cubesat, or similar
Ability to perform trade studies and make clear recommendations using first principles and engineering fundamentals even with partial information
Experience working at a nimble engineering organization or in a highly technical position that required a scrappy, entrepreneurial manner to accomplish tasks with tight time or budget constraints
Hands on experience designing, testing, and operating high-pressure systems and pressure vessels
Experience with forging for large, high-pressure vessels
Experience with welding processes, inspection, and qualification
Experience designing to the ASME Boiler and Pressure Vessel Code
Hands-on experience with fluid, gas, or thermal systems
Position will be based in the South Bay area of Los Angeles County and will require relocation if not already local. The position will be full-time in the office.
Ability to work extended hours and weekends as necessary
Ability to travel to reactor construction sites in other states as necessary
Pay range:
Level I: $115,000.00 - $130,000.00/per year + equity
Level II: $125,000.00 - $150,000.00/per year + equity
Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.
Base salary is just one part of your total rewards package at Forge. You may also be eligible for long-term incentives, in the form of company stock or stock options, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, paid vacation, paid parental leave, and various other perks. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.
Forge is an Equal Opportunity Employer; employment with Forge is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant's capacity to serve in compliance with U.S. export controls.
Based on 571 listings with disclosed salaries, most science & research jobs in El Segundo, CA pay between $99k–$225k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 628 open science & research positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include The Aerospace Corporation, Boeing, Varda Space Industries, Radiant, Northrop Grumman, among others. Browse the listings above to see every active employer.
Yes — 74 of the 628 open science & research positions offer remote or hybrid work (17 remote, 57 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
