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Fluid Jobs in California (NOW HIRING)

Vast

Fluid Test Technician

Long Beach, CA

$40 - $56/hr

Vast is looking for a Fluid Test Technician , reporting to the Supervisor, Integration , to support the development of the systems required for the build and test of artificial-gravity human-rated ...

Fuse

Fluid Dynamics Engineer

San Leandro, CA · On-site

$110K - $160K/yr

As the Fluid Dynamics Engineer, you'll lead the design, simulation, and operational integration of these large-scale fluid systems from concept through commissioning. Core Responsibilities * System ...

Fuse

Fluid Dynamics Engineer

San Leandro, CA · On-site

$120 - $180/hr

As the Fluid Dynamics Engineer, you'll lead the design, simulation, and operational integration of these large-scale fluid systems from concept through commissioning. Core Responsibilities * System ...

Vast

Fluid Test Technician

Long Beach, CA · On-site

$40 - $56/hr

Vast is looking for a Fluid Test Technician , reporting to the Supervisor, Integration , to support the development of the systems required for the build and test of artificial-gravity human-rated ...

Electric Hydrogen

Fluid Systems Engineer

San Jose, CA · On-site

We are seeking a Fluid Systems Engineer to join the Product Engineering team and contribute to the design, development, and optimization of hardware and fluid systems for PEM electrolysis plants. In ...

Relativity Space

Senior Fluid Systems Engineer

Long Beach, CA · On-site

$109K - $150K/yr

The Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid systems that turn structures into functioning rockets. The team has full ownership across design ...

Vast

Director, Fluid Systems Test

Long Beach, CA

Vast is seeking an experienced and highly driven Director, Fluid Systems Test , reporting to the Vice President of Fluid Systems , to lead the strategy, execution, and scaling of fluids test ...

Electric Hydrogen

Fluid Systems Engineer

San Jose, CA · On-site

$105K - $150K/yr

Develop and improve fluid systems hardware by translating plant and customer requirements into engineering specifications * Create and maintain engineering documentation, including Piping and ...

Vast

Director, Fluid Systems Analysis

Long Beach, CA

Vast is looking for a Director, Fluid System Analysis , reporting to the Vice President of Fluid Systems, to support the development of the systems that will be required for the design and build of ...

Tribonet

Director, Fluid Systems Test

Long Beach, CA · On-site

$203 - $289/hr

Vast is seeking an experienced and highly driven Director, Fluid Systems Test , reporting to the Vice President of Fluid Systems , to lead the strategy, execution, and scaling of fluids test ...

Vast

Director, Fluid Systems Test

Long Beach, CA · On-site

Vast is seeking an experienced and highly driven Director, Fluid Systems Test , reporting to the Vice President of Fluid Systems , to lead the strategy, execution, and scaling of fluids test ...

Industrious Ventures

Senior Fluid Engineer

El Segundo, CA · On-site

$150 - $250/hr

This is a hands‑on design role for an engineer who can pair strong fluid dynamics fundamentals with practical, manufacturable hardware design. ResponsibilitiesDesign and Analysis * Lead the design ...

Vast

Director, Fluid Systems Analysis

Long Beach, CA · On-site

$203K - $232K/yr

Vast is looking for a Director, Fluid System Analysis , reporting to the Vice President of Fluid Systems, to support the development of the systems that will be required for the design and build of ...

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All JobsFluid JobsFluid Jobs in California

Fluid information

See California salary details

$34.5K

$91.8K

$152K

How much do fluid jobs pay per year?

As of Sep 7, 2026, the average yearly pay for fluid in California is $91,826.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,700.00 and $115,500.00 per year, depending on experience, location, and employer.

What is a fluid engineer?

Fluid mechanics engineers are professionals who study and apply the principles of fluid dynamics and fluid statics to solve engineering problems. They analyze how liquids and gases behave under various conditions and work on designing systems such as pipelines, pumps, turbines, and ventilation systems. Their expertise is essential in industries like aerospace, automotive, chemical processing, and environmental engineering. Fluid mechanics engineers use computer simulations, experiments, and mathematical models to optimize fluid-related processes and ensure safety and efficiency.

What are the key skills and qualifications needed to thrive as a fluid engineer?

To thrive as a Fluid Engineer, you need a strong background in fluid mechanics, thermodynamics, and engineering principles, typically supported by a degree in mechanical, chemical, or civil engineering. Familiarity with computational fluid dynamics (CFD) software, simulation tools, and industry-specific certifications such as PE (Professional Engineer) can be highly beneficial. Strong analytical thinking, problem-solving abilities, and effective communication skills help Fluid Engineers excel when collaborating on complex projects. These skills ensure accurate analysis, innovative solutions, and the successful implementation of fluid systems in various industries.

What are some common challenges faced by fluid engineers in project-based environments?

Fluid engineers often encounter challenges such as managing complex simulations, ensuring system integrity under varying conditions, and collaborating across multidisciplinary teams. Projects may require adapting to rapidly changing requirements, troubleshooting unexpected flow behavior, and integrating new technologies. Effective communication and problem-solving skills are crucial, as fluid engineers frequently coordinate with mechanical, electrical, and process engineering teams to deliver optimal solutions within tight deadlines.

What is the difference between Fluid vs Mechanical Engineer?

AspectFluid EngineerMechanical Engineer
Required CredentialsBachelor's in Mechanical, Civil, or Chemical Engineering; specialized fluid dynamics certificationsBachelor's in Mechanical Engineering; often includes certifications in thermodynamics or CAD
Work EnvironmentDesigning and analyzing fluid systems, working in labs or on-site at industrial facilitiesDesigning mechanical systems, working in manufacturing plants, labs, or offices
Industry UsageOil & gas, aerospace, HVAC, water treatmentAutomotive, manufacturing, robotics, HVAC
Common Search & ComparisonFluid vs Mechanical Engineer

Fluid engineers specialize in fluid dynamics, working on systems involving liquids and gases, while mechanical engineers focus on a broader range of mechanical systems. Both roles require engineering degrees, but fluid engineers often have additional certifications related to fluid mechanics. Their work environments and industries overlap in areas like HVAC and aerospace, but each has distinct focus areas and applications.

What are popular job titles related to Fluid jobs in California?

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

What job categories do people searching Fluid jobs in California look for?

The top searched job categories for Fluid jobs in California are:

Fluid jobs near you
Infographic showing various Fluid job openings in California as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, 1% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $91,826 per year, or $44.1 per hour.

Fluid Test Technician

Vast

Long Beach, CA

$40 - $56/hr

Full-time

Posted 9 days ago

Job description

Vast is looking for a Fluid Test Technician, reporting to the Supervisor, Integration, to support the development of the systems required for the build and test of artificial-gravity human-rated space stations.

This will be a full-time, non-exempt position located in our Long Beach location. 

Responsibilities: 

  • Build and test high-pressure fluid and gas systems on Haven-1 vehicle and test articles
  • Perform vehicle fluid system functional checks, high-pressure proof and leak tests, and hazardous operations
  • Build and maintain test facilities, GSE, propellant, high-pressure, and cryogenic systems
  • Troubleshoot and perform maintenance on fluid, mechanical, and electrical systems
  • Conduct field test operations including high-pressure system operation, fluid fill/drain/handling, and sensor monitoring
  • Read and interpret Piping and Instrumentation Diagrams (P&IDs)
  • Execute aerospace integration practices including safety cabling, helicoil installation, and fastener/fitting torque
  • Operate heavy machinery (forklift, overhead equipment, etc.)
  • Implement continuous improvements to increase safety and test site productivity
  • Adhere to, enforce, and improve test processes and best practices
  • Work alongside engineers to build, test, and maintain fluid systems

Minimum Qualifications:

  • High school diploma or equivalency certificate
  • 5+ years of experience in production, mechanical, or manufacturing environment
  • Hands-on hardware integration and high-pressure testing experience

Preferred Skills & Experience:

  • Tube fitting and bending experience with common industry fitting systems
  • Experience with gaseous oxygen (GOx), liquid propellant, and cryogenic handling and systems maintenance

Additional Requirements:

  • Ability to travel for vehicle test support (20%) including extended travel (up to 1 month) for final vehicle test
  • Ability to work overtime, varying hours, shifts, and weekends to support critical mission milestones
  • Ability to stoop, bend, crawl, and maneuver in tight spaces; physically able to lift up to 25 lbs unassisted
  • Ability to perform in a fast-paced, rapidly changing work environment

Pay Range:

  • Fluid Test Technician I: $22.00-32.00/hr
  • Fluid Test Technician II: 29.00-41.00/hr
  • Fluid Test Technician III: $33.00-47.00/hr
  • Senior Fluid Test Technician: $40.00-56.00/hr

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