Computational Science jobs in Long Beach, CA

Manager, Software Engineering - Factory Platform

Long Beach, California

•

Today

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Full-time

USD 179,000.00 - 269,000.00 per year

Nuclear Engineer

El Segundo, California

•

Today

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

Astrodynamics Engineer (Lead/Senior) - Millennium Space Systems

El Segundo, California

•

Today

Astrodynamics Engineer (Lead/Senior) - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challe

Full-time

USD 123,000.00 - 183,000.00 per year

Nuclear Engineer, Sensors

El Segundo, California

•

Today

Full-time

USD 106,500.00 - 146,475.00 per year

Staff Aerothermal CFD Methods Engineer

Los Angeles, California

•

Today

Turning Space into a Transportation Layer for Earth Who We Are: Inversion builds advanced reentry systems to deliver next-generation capabilities from space. Our mission is to make Earth radically more accessible by turning Low-Earth Orbit into an on-demand logistics domain. We see space not as a destination, but as a platform - one that unlocks unprecedented speed and global reach. Our spacecraft are designed to deliver payloads anywhere on Earth in under an hour, operating through extreme ree

Full-time

USD 161,000.00 - 221,000.00 per year

Senior Software Engineer, Full Stack (Agentic AI)

Marina del Rey, California

•

Today

About Sift Sift is the data infrastructure platform for hardware engineering teams. Sift turns high-frequency telemetry into engineering insights for mission-critical systems. Teams use Sift to build and operate rockets, satellites, autonomous vehicles, energy systems, defense platforms, and more. Founded by former SpaceX engineers who built the tools behind Dragon and Starlink, Sift is building the data infrastructure to herald the AI era for physical systems. About the Role Hardware program

Full-time

USD 180,000.00 - 230,000.00 per year

Software Engineer, Full Stack (Agentic AI)

Marina del Rey, California

•

Today

Full-time

USD 160,000.00 - 200,000.00 per year

Data Engineering Focused Consultant (Ph.D.)

Los Angeles, California

•

Today

About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients' most profoundly unique, unprecedented, and urgent challenges. We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions

Full-time

USD 133,000.00 - 150,000.00 per year

Software Engineer, Backend (Agentic AI)

Marina del Rey, California

•

Today

About Sift Sift is the data infrastructure platform for hardware engineering teams. We turn high-frequency telemetry into engineering insights for mission-critical machines: rockets, satellites, autonomous vehicles, energy systems, and defense platforms. Founded by former SpaceX engineers, we are building the review and analysis layer for the AI era of physical systems. About The Role Hardware programs generate far more telemetry than any team can review by hand. Sift Agents is our answer: AI

Full-time

USD 160,000.00 - 200,000.00 per year

Senior Software Engineer, Backend (Agentic AI)

Marina del Rey, California

•

Today

Full-time

USD 180,000.00 - 230,000.00 per year

Accelerated Physics Simulation Engineer - Agentic Computational Engineering (ACE)

Los Angeles, California

•

Today

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

Senior Software Engineer, HPC DevOps

El Segundo, California

•

Today

Full-time

USD 158,000.00 - 219,500.00 per year

Software Engineer (New Grad)

Los Angeles, California

•

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 125,000.00 - 135,000.00 per year

Senior Software Engineer, Frontend (Agentic AI)

Marina del Rey, California

•

Today

About Sift Sift is the data infrastructure platform for hardware engineering teams. We turn high-frequency telemetry into engineering insights for mission-critical machines: rockets, satellites, autonomous vehicles, energy systems, and defense platforms. Founded by former SpaceX engineers, we are building the review and analysis layer for the AI era of physical systems. About The Role: Hardware programs generate far more telemetry than any team can review by hand. Sift Agents is our answer: A

Full-time

USD 180,000.00 - 230,000.00 per year

Software Engineer, Frontend (Agentic AI)

Marina del Rey, California

•

Today

About Sift Sift is the data infrastructure platform for hardware engineering teams. We turn high-frequency telemetry into engineering insights for mission-critical machines: rockets, satellites, autonomous vehicles, energy systems, and defense platforms. Founded by former SpaceX engineers, we are building the review and analysis layer for the AI era of physical systems. About The Role: Hardware programs generate far more telemetry than any team can review by hand. Sift Agents is our answer: A

Full-time

USD 160,000.00 - 200,000.00 per year

Senior Software Engineer, Multiphysics Simulation

Los Angeles, California

•

Today

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

USD 112,000.00 - 200,000.00 per year

Data Scientist, Mission Engineering

El Segundo, California

•

Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 140,000.00 - 220,000.00 per year

SME - Reviewer Scientist

Remote

•

5d ago

Subject Matter Expert - Reviewer ScientistThe SME - Reviewer Scientist will provide scientific and regulatory expertise in reviewing clinical and nonclinical data submitted in support of drug applications. This position will support projects within the FDA Center for Drug Evaluation and Research (CDER), Office of Computational Science, under the direction of the COR. Responsibilities: Review clinical safety and efficacy studies submitted in support of drug applications. Evaluate clinical and non

Easy Apply

Full-time

Depends on Experience

HPC Systems Engineer, Modeling & Simulation

Costa Mesa, California

•

Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 132,000.00 - 198,000.00 per year

Senior Numerical Optimization Engineer

Costa Mesa, California

•

Today

Full-time

USD 191,000.00 - 253,000.00 per year

Computational Science jobs in Long Beach, CA, USA