Physics jobs in calabasas, ca

El Segundo, California

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About Radiant Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. R

Full-time

USD 106,500.00 - 146,475.00 per year

Accelerated Physics Simulation Engineer - Agentic Computational Engineering (ACE)

Los Angeles, California

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Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies, w

Full-time

USD 165,000.00 - 250,000.00 per year

Explosives and Shock Physics Engineer

El Segundo, California

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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 center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Full-time

USD 117,300.00 - 175,900.00 per year

Nuclear Engineering Intern - Summer 2027

Los Angeles, California

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About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the Wh

Full-time

Mechanical Engineering Intern - Summer 2027

Los Angeles, California

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K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missi

Full-time

USD 30.00 - 40.00 per hour

Machine Learning Engineer - Associate

El Segundo, California

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Full-time

USD 120,000.00 - 170,000.00 per year

Summer 2027 - Systems Engineering Internship

El Segundo, California

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At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

Machine Learning Engineer - Mid-Level

El Segundo, California

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Full-time

USD 160,000.00 - 210,000.00 per year

Senior Electric Propulsion Engineer

El Segundo, California

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Full-time

USD 100,300.00 - 175,900.00 per year

Radar Signal Processing Engineer

Agoura Hills, California

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We are Aptiv - a global technology company with 190,000 specialists in 46 countries. We develop innovative software and build the hardware to bring autonomous driving cars, advanced driver-assistance systems, connected vehicles and smart cities to life in a way that only we can. We work in partnership with almost all car manufacturers. Our sensors, systems and software can already be found in almost all passenger cars today. With our deep domain expertise, Aptiv is developing solutions that sol

Full-time

Nuclear Engineer (New Grad)

Los Angeles, California

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Today

About the company General Matter enriches uranium. We are designing, building, and operating the world's lowest-cost enrichment services, here in the US. In the process, we are restoring America's ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive. Fuel drives the cost of advanced reactor electricity production, and enrichment drives the cost of the fuel that advanced reactors consume. Reliable, low-cost enrich

Full-time

USD 90,000.00 - 105,000.00 per year

Dynamics Engineering Intern - Summer 2027

Los Angeles, California

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Full-time

USD 30.00 - 40.00 per hour

Summer 2027 Internship - Mechanical Engineering

Los Angeles, California

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Full-time

USD 30.00 - 40.00 per hour

Associate, Systems Engineer

Los Angeles, California

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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 90,000.00 - 108,000.00 per year

ENGINEERING TESTING AID III

Los Angeles, California

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Salary : $60,615.36 - $77,370.72 Annually Location : Los Angeles County, CA Job Type: Full time Job Number: C3856R Department: PUBLIC WORKS Opening Date: 08/13/2026 Position/Program Information EXAM NUMBER C3856R FILING PERIOD The application filing period will begin on Monday, August 17, 2026, at 8:00 a.m. (PT) - Continuous. We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified candidates. TYPE OF RECRUITM

Full-time

USD 60,615.36 - 77,370.72 per year

Space Vehicle Systems Engineer - GPS IIIF

El Segundo, California

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Space Vehicle Systems Engineer - GPS F El Segundo, CA (Hybrid/Remote) Who We Are Aurex is a mission-focused aerospace and defense company building the next frontier of deterrence. From hypersonics and missile defense to hardened networks and orbital systems, we design, test, and deliver the platforms that turn unproven ideas into battlefield-ready capability. Born in Huntsville and built for speed, Aurex brings together aerospace veterans, combat-tested operators, and forward-leaning technologi

Full-time

USD 120,000.00 - 165,000.00 per year

Opto-Mechanical Manufacturing Engineer

Redondo Beach, California

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Opto-Mechanical Manufacturing Engineer Department: Manufacturing Employment Type: Full Time Location: Redondo Beach Compensation: $100,000 - $200,000 / year Description As an Opto-Mechanical Manufacturing Engineer at Impulse, you will work with cross-discipline teams to build opto-mechanical assemblies. You will own the build and testing of optical assembly production. Your expertise will directly impact the reliability and performance of the systems we send into orbit and beyond. Leveling

Full-time

USD 100,000.00 - 200,000.00 per year

Opto-Mechanical Engineering Intern (Summer 2027)

Redondo Beach, California

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Opto-Mechanical Engineering Intern (Summer 2027) Department: Internship Employment Type: Internship Location: Redondo Beach Compensation: $32.00 / hour Description Impulse Space is seeking an Opto-Mechanical Design Engineer Intern to support the development of precision optical systems for spacecraft. This role will focus on the mechanical design of optical assemblies, telescope structures, lens barrels, detector mounts, mirror mounts, baffles, pointing mechanisms, and alignment hardware fo

Full-time

USD 32.00 per hour

Nuclear Consequence Analysis Engineer

Los Angeles, California

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About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and

Full-time

USD 150,000.00 - 210,000.00 per year

Systems Integration Engineer (Secret clearance)

El Segundo, California

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Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. This position requires a

Full-time

USD 147,000.00 - 196,000.00 per year

Physics jobs in Calabasas, CA, USA