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Space Science Jobs in California (NOW HIRING)

Relativity Space

Senior RF Engineer

Long Beach, CA · On-site

By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens ...

Relativity Space

Senior Structures Engineer

Long Beach, CA · On-site

$105K - $143K/yr

By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens ...

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How much do space science jobs pay per year?

As of Sep 9, 2026, the average yearly pay for space science in California is $301,005.00, according to ZipRecruiter salary data. Most workers in this role earn between $293,600.00 and $308,400.00 per year, depending on experience, location, and employer.

What is space science?

Space science is the study of everything in outer space, including planets, stars, galaxies, and the physics that governs them. It encompasses disciplines such as astronomy, astrophysics, planetary science, and space exploration. Professionals in this field use telescopes, satellites, and spacecraft to observe and analyze celestial phenomena. Space science helps us understand the origins of the universe, the possibility of life elsewhere, and the future of space exploration.

What are space science careers?

There are a wide variety of space science careers to choose from that involve all aspects of studying the earth, atmosphere, other planets, and the exploration of the universe. NASA provides many employment opportunities aside from becoming an astronaut. As a space scientist, you conduct research and studies in a specialty field such as biology, chemistry, meteorology, physics, geology, or even pharmacology, in which you use substances from space to develop new medications. Engineers have responsibilities including developing advanced technology such as satellites and the spacecraft that make space exploration possible. Specialties as an engineer include robotics, telecommunication, computers, avionics, instrumentation, and more. There are also technologists and technicians whose duties revolve around working with the engineer to test this technology.

What are the key skills and qualifications needed to thrive as a space scientist, and why are they important?

To thrive as a Space Scientist, you need a strong background in physics, mathematics, astronomy, and often a Ph.D. in a related field. Familiarity with data analysis software, satellite instrumentation, programming languages like Python or MATLAB, and experience with telescopic and spacecraft systems are typically required. Analytical thinking, problem-solving, teamwork, and effective scientific communication are vital soft skills. These competencies enable Space Scientists to conduct meaningful research, interpret complex data, and collaborate on missions that advance our understanding of the universe.

What are some common challenges faced by space scientists when working on research projects?

Space scientists often encounter challenges such as limited access to specialized equipment, strict project timelines, and the need to collaborate with multidisciplinary teams across different organizations or countries. Additionally, securing funding for research and navigating the complexities of data analysis from space missions can be demanding. Adaptability, strong communication skills, and perseverance are important for overcoming these obstacles and successfully contributing to scientific advancements in the field.

Is space science a good career?

Space science is a specialized field that involves studying celestial bodies, astrophysics, and space technology, often requiring advanced degrees such as a master's or Ph.D. Skills in mathematics, programming, and data analysis are important, and employment can be found in research institutions, government agencies, and aerospace companies. The career can be competitive but offers opportunities for contributing to scientific discovery and technological innovation.

What jobs are there in space science?

Space science offers a variety of careers including astrophysicist, planetary scientist, aerospace engineer, mission analyst, and space technician. These roles often require strong backgrounds in physics, engineering, or astronomy, and may involve working with telescopes, spacecraft, or data analysis tools in research institutions, government agencies, or private companies.
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What are the most commonly searched types of Space Science jobs in California?

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For Space Science jobs in California, the most frequently searched job titles are:

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Infographic showing various Space Science job openings in California as of September 2026, with employment types broken down into 50% Part Time, and 50% Contract. Highlights an 100% In-person job distribution, with an average salary of $301,005 per year, or $144.7 per hour.

Senior Opto-Mechanical Engineer

Long Beach, CA • On-site

Relativity Space
Aerospace Product and Parts Manufacturing • 501 - 1,000 employees
Learn more about Relativity Spaceexternal

$109K - $145K/yr

Full-time

Re-posted 4 days ago

Relativity Space rating

9.7

Company rating: 9.7 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

2nd of 72 rated aerospace companies

Job description

About the Team: 

The Interplanetary Sciences Program was established to expand access to scientific exploration across our solar system. Its mission is to make planetary research faster, more affordable, and more capable than ever before by rethinking how science missions are designed, built, and operated. The program aims to enable scientists to send instruments to distant worlds without decades of development or prohibitive costs. By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.

About the Role:

We are seeking a Senior Opto-Mechanical Engineer to bridge the optical and mechanical disciplines in support of advanced optical systems for deep-space missions. This engineer will design the structures, mounts, and mechanisms that preserve optical alignment through thermal variation, launch vibration, and on-orbit gravity release. The role partners closely with the Optics Engineer on optical prescription, the Optical Communications Engineer on pointing and isolation requirements, and the Mechanical Engineer on structural and thermal analysis. 

About You:

  • Bachelor's degree in Mechanical Engineering, Optical Engineering, or a related field 
  • 5+ years of experience in opto-mechanical design for precision optical systems or similar 
  • Strong understanding of opto-mechanical design principles 
  • Proficiency in CAD modeling for optical or precision mechanical assemblies 
  • Experience using FEA to evaluate opto-mechanical structures for gravity sag, thermal distortion, and vibration response 

Nice to haves but not required:  

  • Working knowledge of thermal effects on optical alignment, including CTE mismatch and thermally induced distortion 
  • Experience with space opto-mechanical hardware or environments 
  • Familiarity with contamination-sensitive hardware, optical coatings, and material selection for optical systems 
  • Knowledge of materials commonly used in opto-mechanical design, including aluminum alloys, stainless steel fasteners, and optics-compatible adhesives 

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