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Hydro Testing Jobs in California (NOW HIRING)

Amazon

Software Development Engineer, Hydro

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Hydro team is working with novel compiler, AI and distributed systems technologies-including ... testing, and operations experience - Bachelor's degree in computer science or equivalent - Fluency ...

Airliquidehr

Production Operator V

Santa Fe Springs, CA

$32 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ideally certified to perform and operate hydro and ultrasonic tests and related equipment. * Perform pre and post fill inspections, troubleshooting and appropriate testing. * Coordinate the filling ...

Airgas

Production Operator V

Santa Fe Springs, CA · On-site

$32 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ideally certified to perform and operate hydro and ultrasonic tests and related equipment. * Perform pre and post fill inspections, troubleshooting and appropriate testing. * Coordinate the filling ...

HII

Outside Machinist - 28373

San Diego, CA · On-site

$49K - $54K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

System nitrogen charging, hydro testing, and functional/operational testing of related systems. * Torpedo strike down equipment, including lift and dogging hatch actuator cylinders. * Various types ...

HII

Outside Machinist - 28373-San Diego,California

Bonita, CA · On-site

$49K - $54K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

System nitrogen charging, hydro testing, and functional/operational testing of related systems. * Torpedo strike down equipment, including lift and dogging hatch actuator cylinders. * Various types ...

HII

Outside Machinist - 28373-San Diego,California

Bonita, CA · On-site

$49K - $54K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

System nitrogen charging, hydro testing, and functional/operational testing of related systems. * Torpedo strike down equipment, including lift and dogging hatch actuator cylinders. * Various types ...

Life Cycle Engineering

Outside Machinist

San Diego, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

System nitrogen charging, hydro testing, and functional/operational testing of related systems * Torpedo strike down equipment, including lift and dogging hatch actuator cylinders * Various types and ...

Airgas

Plant Manager

Santa Fe Springs, CA · On-site

$110K - $135K/yr

Familiar with Hydro-testing procedures and record keeping if applicable for the plant. * Must be able to perform the duties of each position within the operations facility. Preferred Qualifications:

Airliquidehr

Plant Manager

Santa Fe Springs, CA

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Familiar with Hydro-testing procedures and record keeping if applicable for the plant. * Must be able to perform the duties of each position within the operations facility. Preferred Qualifications:

Airgas

Plant Manager

Santa Fe Springs, CA · On-site

$110K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Familiar with Hydro-testing procedures and record keeping if applicable for the plant. * Must be able to perform the duties of each position within the operations facility. Preferred Qualifications:

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Showing results 1-20

All JobsHydro Testing JobsHydro Testing Jobs in California

Hydro Testing information

See California salary details

$13

$24

$39

How much do hydro testing jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for hydro testing in California is $25.00, according to ZipRecruiter salary data. Most workers in this role earn between $19.90 and $28.22 per hour, depending on experience, location, and employer.

What is the difference between Hydro Testing vs Pipe Fitter?

AspectHydro TestingPipe Fitter
CertificationsHydro Test Certification, Safety TrainingPipe Fitting Certification, Safety Training
Work EnvironmentIndustrial plants, pipelines, pressure vesselsConstruction sites, industrial plants, piping systems
Job FocusTesting pressure integrity of systemsAssembling, installing, and maintaining piping

Hydro Testing involves inspecting pressure vessels and pipelines for leaks by filling them with water under pressure, ensuring safety and compliance. Pipe Fitters focus on installing and maintaining piping systems in various industrial settings. While both roles require safety training and certifications, Hydro Testing emphasizes pressure testing procedures, whereas Pipe Fitters specialize in pipe assembly and installation.

What is a hydro testing job?

A hydro testing job involves inspecting and testing pressure vessels, pipelines, or tanks by filling them with water or a liquid to check for leaks, strength, and safety. Workers in this field often use specialized equipment and may need certifications such as API or ASME to ensure compliance with safety standards.

What are some typical challenges faced during hydro testing, and how can they be addressed on the job?

During hydro testing, professionals often encounter challenges such as identifying leaks under pressure, ensuring all equipment is properly calibrated, and maintaining strict safety protocols. These challenges can be addressed by thorough pre-test inspections, clear communication with team members, and adhering to standardized procedures. Regular training and close collaboration with engineers and safety officers also help ensure tests are conducted efficiently and safely. Being proactive and detail-oriented is key to overcoming these common hurdles.

What is hydro testing?

Hydro testing, short for hydrostatic testing, is a process used to check the strength and leak-resistance of pressure vessels, pipelines, and other components by filling them with water and pressurizing them to specified levels. This test ensures that the equipment can safely operate under normal and extreme conditions without failure. Hydro testing is commonly performed in industries such as oil and gas, chemical processing, and manufacturing to comply with safety standards and regulations.

What are the key skills and qualifications needed to thrive as a hydro testing technician?

To excel as a Hydro Testing Technician, you need a solid understanding of pressure testing procedures, mechanical aptitude, and familiarity with safety regulations, often supported by a high school diploma or technical training. Experience with hydrostatic testing equipment, pressure gauges, and sometimes certifications such as OSHA or NDT are typically required. Attention to detail, strong problem-solving abilities, and effective teamwork are crucial soft skills for this role. These competencies ensure accurate test results, maintain workplace safety, and help prevent equipment failures in industrial and construction environments.

What are popular job titles related to Hydro Testing jobs in California?

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

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

The top searched job categories for Hydro Testing jobs in California are:

Hydro Testing jobs near you
Infographic showing various Hydro Testing job openings in California as of August 2026, with employment types broken down into 81% Full Time, and 19% Temporary. Highlights an 100% In-person job distribution, with an average salary of $51,998 per year, or $25 per hour.

Production Operator - Manufacturing

Connect Staffing

Garden Grove, CA • On-site

$18.50/hr

Full-time

Medical, Dental, Retirement

Posted 10 days ago

Job description

Connect Staffing is hiring a General Labor for a cylinder manufacturing facility in Garden Grove, CA. This is a temp-to-hire position paying $18.50/hr with weekly overtime required. In this role, you will operate sanding, painting, and hydro-testing machines to process cylinder shells that become oxygen tanks, scuba diving tanks, and similar pressure vessels. This facility runs a consistent Monday–Friday schedule with Saturday overtime, giving you steady, predictable hours each week.


Pay: $18.50/hr

Schedule: Monday–Friday, 4:00 AM–2:30 PM + Saturdays (6 hours OT)

Location: Garden Grove, CA

Job Type: Temp-to-Hire

Work Environment: Manufacturing Plant / Factory

Overtime: Weekly OT required (~10 hrs/wk)


Responsibilities

  • Operate sanding, painting, and hydro-testing machines to process cylinder shells at multiple stages of the production line.
  • Inspect cylinder shells coming off machines for defects or inconsistencies before they advance to the next stage.
  • Move finished and in-process cylinders onto pallets — cylinders range from 15 to 90 lbs. and are team-lifted at heavier weights.
  • Match paperwork to production orders to ensure accurate product tracking through the line.
  • Inspect finished cylinders before they leave the production floor.
  • Follow safety procedures when handling pressurized cylinder components.


Minimum Requirements

  • 6+ months of experience in a general labor, production, or manufacturing environment.


Preferred Qualifications

  • Experience operating production machines such as sanders, spray painters, or pressure-testing equipment.
  • Background working with metal parts, heavy components, or industrial cylinders.
  • Familiarity with matching production paperwork to orders or basic product tracking.
  • Experience inspecting parts or finished goods for quality defects.
  • Prior work in a physically demanding manufacturing or assembly environment with high output expectations.
  • You may be a great fit if you've held any of these titles: General Laborer, Machine Operator, Production Operator, Press Operator, Production Technician, Material Handler, Assembly Line Worker, Warehouse Associate, Loader/Unloader, Lumper.


Pre-Employment Requirements

  • Ability to lift up to 50 lbs. frequently throughout the shift.
  • Ability to work at a fast pace throughout the shift.
  • Steel-toe boots required (employee-provided).
  • Must pass a pre-employment drug screen.
  • Must pass a pre-employment background check.
  • Must be authorized to work in the United States — E-Verify will be conducted.
  • Must pass a pre-employment physical / fit-for-duty exam.


Benefits

  • Weekly pay.
  • Direct deposit / Paycard.
  • Health insurance (during assignment).
  • Dental insurance (during assignment).
  • Earn referral bonuses.
  • CalSavers retirement program available.


After you apply, please check your email for a short screening questionnaire from us. Candidates who complete it promptly will be reviewed faster.


See all our current openings at jobs.connectstaffing.com


#CONHP