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Hydro Tester Jobs in California (NOW HIRING)

Airliquidehr

Production Operator V

Santa Fe Springs, CA

$32 - $40/hr

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

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

$49K - $54K/yr

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

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 ...

HII

Outside Machinist - 28373

San Diego, CA · On-site

$49K - $54K/yr

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 ...

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Hydro Tester information

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$10

$37

$61

How much do hydro tester jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for hydro tester in California is $37.86, according to ZipRecruiter salary data. Most workers in this role earn between $21.11 and $50.05 per hour, depending on experience, location, and employer.

What is a hydro tester?

A Hydro Tester is responsible for conducting hydrostatic tests on pipes, tanks, and pressure vessels to ensure they can withstand operational pressures without leaks or failures. They use water or other test fluids, pressurize the system, and monitor pressure readings for any signs of weakness. The role requires knowledge of testing procedures, safety protocols, and the ability to read technical specifications. Hydro Testers often work in industries like oil and gas, manufacturing, and construction.

What does a hydro tester do?

As a Hydro Tester, your typical day involves preparing and setting up equipment for hydrostatic tests, inspecting pipes or vessels for potential leaks, monitoring pressure gauges, and recording results according to specific safety and quality standards. You may work both indoors and outdoors, depending on the industry and project location, and often collaborate with welders, quality inspectors, and supervisors. The role requires careful adherence to safety guidelines and detailed documentation of all testing procedures. While the work is hands-on and sometimes physically demanding, it offers opportunities to develop specialized skills in quality assurance and advance into supervisory or inspection roles over time.

What skills and qualifications are needed to be a hydro tester?

To succeed as a Hydro Tester, you need a solid understanding of hydrostatic testing procedures, mechanical aptitude, and attention to detail, often supported by a high school diploma or technical training. Familiarity with pressure testing equipment, safety protocols, and sometimes certification such as OSHA training are commonly required. Strong problem-solving skills, teamwork, and the ability to communicate clearly help you excel in this role. These skills and qualities are crucial for ensuring the integrity and safety of pipes, vessels, and systems being tested under pressure.

What are the most commonly searched types of Hydro Tester jobs in California?

The most popular types of Hydro Tester jobs in California are:

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

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

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

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

What cities in California are hiring for Hydro Tester jobs?

Cities in California with the most Hydro Tester job openings:

Hydro Tester jobs near you
Infographic showing various Hydro Tester job openings in California as of August 2026, with employment types broken down into 56% Full Time, 38% Part Time, and 6% Contract. Highlights an 35% Physical, 1% Hybrid, and 64% Remote job distribution, with an average salary of $78,746 per year, or $37.9 per hour.

Production Operator - Manufacturing

Garden Grove, CA • On-site

Connect Staffing
See more jobs at Connect Staffingexternal

$18.50/hr

Full-time

Medical, Dental, Retirement

Posted 18 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