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Hydrostatic Testing Jobs in California (NOW HIRING)

Plan and execute pressure testing programs, including hydrostatic testing, to confirm pipeline integrity and regulatory compliance * Collaborate with multidisciplinary teams, including field ...

Plan and execute pressure testing programs, including hydrostatic testing, to confirm pipeline integrity and regulatory compliance * Collaborate with multidisciplinary teams, including field ...

Plan and execute pressure testing programs, including hydrostatic testing, to confirm pipeline integrity and regulatory compliance * Collaborate with multidisciplinary teams, including field ...

Experience with pneumatic and hydrostatic testing of parts and equipment * Ability to read and understand mechanical seal drawings, mechanical seal removal, installation, and pneumatic pressure ...

Senior Pump Mechanic

Richmond, CA · On-site

$40 - $65/hr

Experience with pneumatic and hydrostatic testing of parts and equipment * Ability to read and understand mechanical seal drawings, mechanical seal removal, installation, and pneumatic pressure ...

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Hydrostatic Testing information

See California salary details

$11

$21

$32

How much do hydrostatic testing jobs pay per hour?

As of Jun 25, 2026, the average hourly pay for hydrostatic testing in California is $21.19, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $23.70 per hour, depending on experience, location, and employer.

What is hydrostatic testing?

Hydrostatic testing is a method used to check the strength and leak-resistance of pressure vessels, such as pipelines, boilers, and fuel tanks. The process involves filling the vessel with water or another incompressible fluid, then pressurizing it to a level higher than its normal operating pressure. This helps identify any leaks or weaknesses in the structure before the vessel is put into service. Hydrostatic testing is widely used in industries like oil and gas, plumbing, and manufacturing to ensure safety and compliance with regulations.

What are the key skills and qualifications needed to thrive in a Hydrostatic Testing Technician role, and why are they important?

To thrive as a Hydrostatic Testing Technician, you need a solid understanding of pressure testing procedures, safety protocols, and relevant industry standards, usually supported by a technical diploma or equivalent experience. Familiarity with pressure gauges, pumps, data logging systems, and certifications such as OSHA or NACE is commonly required. Attention to detail, problem-solving skills, and strong communication abilities help ensure accurate test results and safe operations. These skills and qualifications are crucial for maintaining system integrity, preventing failures, and ensuring compliance with safety and regulatory requirements.

What is a hydrotest job description?

A hydrotest job involves inspecting and testing pressure vessels, pipelines, or equipment by filling them with water or another liquid to check for leaks, strength, and integrity. Hydrostatic testing technicians must follow safety protocols, use specialized tools, and often hold certifications such as API or ASME standards. The job requires attention to detail and adherence to industry regulations to ensure equipment safety and compliance.

What are some common challenges faced by professionals during hydrostatic testing, and how can they be effectively managed?

Professionals conducting hydrostatic testing often encounter challenges such as maintaining precise pressure levels, ensuring the integrity of testing equipment, and accurately detecting leaks. Environmental factors like temperature fluctuations and equipment compatibility can affect test results. Effective management involves thorough pre-test inspections, using calibrated instruments, following standardized procedures, and maintaining clear communication with team members to promptly address any irregularities during testing. Continuous training and adherence to safety protocols are also critical for minimizing risks and ensuring reliable outcomes.

What does hydro testing do?

Hydrostatic testing is a process used in hydrostatic testing jobs to check the integrity and strength of pressure vessels, pipelines, and other equipment by filling them with water and pressurizing them beyond normal operating levels. This test helps identify leaks, weaknesses, or defects to ensure safety and compliance with industry standards. It requires knowledge of pressure testing procedures and proper safety protocols.

What is the difference between Hydrostatic Testing vs Pipe Fitter?

AspectHydrostatic TestingPipe Fitter
CertificationsASME, API, state-specific licensesPipefitting certifications, OSHA safety training
Work EnvironmentIndustrial plants, pipelines, pressure vesselsConstruction sites, industrial facilities, piping systems
Job FocusTesting pressure integrity of vessels and pipelinesAssembling, installing, and maintaining piping systems

Hydrostatic Testing and Pipe Fitters often work in industrial settings, requiring similar safety certifications. Hydrostatic Testing focuses on pressure testing equipment, while Pipe Fitters specialize in installing and maintaining piping systems. Both roles are essential in industries like oil and gas, manufacturing, and construction.

Are there any legit product testing jobs?

Hydrostatic testing jobs are legitimate roles in industries such as manufacturing and maintenance, involving pressure testing of equipment like pipelines and cylinders. These positions often require safety certifications, technical skills, and adherence to industry standards to ensure product integrity and safety.

What Are Hydrostatic Testing Jobs?

Hydrostatic testing involves using water to pressurize oil and gas pipelines, sprinkler systems, plumbing and tanks, sewer systems, and similar structures to test for leaks and assess structural integrity. Jobs in hydrostatic testing include working as a pipefitter or inspector, but you can also become a technician or an operator. In these roles, your duties include calibrating and performing pressure tests, inspecting and repairing lines and systems, and assisting with routine maintenance. Additionally, these jobs have responsibilities related to safety compliance, reporting defective parts and equipment, and working from both written and oral instructions, so good communication skills and the ability to pay attention to detail are important.

How much do hydrotest operators make in the US?

Hydrostatic testing operators in the US typically earn between $20 and $30 per hour, with annual salaries ranging from approximately $40,000 to $60,000. Wages can vary based on experience, certifications, and the industry sector, such as oil and gas or manufacturing, where safety and technical skills are essential.
What are the most commonly searched types of Hydrostatic Testing jobs in California? The most popular types of Hydrostatic Testing jobs in California are:
What are popular job titles related to Hydrostatic Testing jobs in California? For Hydrostatic Testing jobs in California, the most frequently searched job titles are:
What job categories do people searching Hydrostatic Testing jobs in California look for? The top searched job categories for Hydrostatic Testing jobs in California are:
What cities in California are hiring for Hydrostatic Testing jobs? Cities in California with the most Hydrostatic Testing job openings:
Infographic showing various Hydrostatic Testing job openings in California as of June 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 100% In-person job distribution, with an average salary of $44,083 per year, or $21.2 per hour.
Propulsion Test Technician III - A Shift

Propulsion Test Technician III - A Shift

Rocket Lab Corporation

Long Beach, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.


Rocket Lab rating

8.8

Company rating: 8.8 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

9th of 60 rated aerospace companies


Job description

ABOUT ROCKET LAB

Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access to space. The rockets and satellites we build and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.

Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.

NEUTRON

Neutron is a medium lift launch vehicle capable of delivering the mega constellations of tomorrow, high assurance payloads, and human spaceflight. As a highly reusable launch platform, Neutron will deliver a highly cost-effective and reliable launch solution leveraging Rocket Lab's proven execution history with the Electron program. If you're interested in joining a high performing team, pushing the boundaries with a clean sheet development of re-usable liquid launch vehicle, this is your opportunity!

PROPULSION TEST TECHNICIAN III - A SHIFT

Based out of Rocket Lab's Headquarters in Long Beach, CA the Propulsion Test Technician III is responsible for the testing of our Rutherford rocket engine. The engine consists of a thrust chamber, pumps, valves, plumbing, TVC actuators, motor controllers, and other mechanical components. You will support the Propulsion Production Manager and Production organization, with deliverables required for internal leadership, board of directors, and investors.

WHAT YOU'LL GET TO DO:

  • Perform high-pressure pneumatic operations (GN2/HE).
  • Set up and operate Data Acquisition (DAQ) systems, including FlexLogger and LabView.
  • Troubleshoot and repair valves, regulators, pressure relief valves, pressure transducers, and check valves.
  • Work with Piping and Instrumentation Diagrams (P&IDs).
  • Conduct hydrostatic testing and handle LN2/cryogenic components during testing procedures.
  • Generate Non-Conformance Reports (NCRs) to document and address issues.
  • Implement and improve 5S practices to maintain a clean and organized work area.

YOU'LL BRING THESE QUALIFICATIONS AS A PROPULSION TEST TECHNICIAN III:

  • 5+ years of experience in high-pressure operations.
  • Experience in Data Acquisition & Instrumentation systems such as FlexLogger and LabView.
  • Hands-on experience with valves, regulators, pressure relief valves, pressure transducers, and check valves.
  • Experience handling LN2/cryogenic components under test conditions.

THESE QUALIFICATIONS WOULD BE NICE TO HAVE:

  • 8+ years of mechanical assembly and/or mechanical fitting experience
  • Experience performing; torquing, safety and/or lock wire installation, assembly per work instructions, and environment tests (proof and leak).
  • A&P, trade, or industry certified.
  • Experience with in-space testing.
  • Knowledgeable in manufacturing processes and continued product development.

ADDITIONAL REQUIREMENTS

  • Willing to work Monday - Thursday 5:00am - 3:30pm
  • Stand and walk for entire shift (8+ hours) on various work surfaces
  • Climb ladders and work at elevated height small spaces, awkward positions, and tight areas as needed
  • Perform repetitive motions including bending, twisting, reaching, grasping, pushing, pulling, and stooping
  • Use hands with precision to handle, control, and operate tools, instruments, and equipment
  • Lift, carry, push, and pull materials and equipment up to 25 lbs.
  • Work in varied environments including production floors, equipment areas, and field locations with exposure to noise, temperature variations, and moving machinery
  • Flexibility to work extended hours, weekends, and varied shifts as operational needs require

Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one component of our total rewards package at Rocket Lab. Employees may also receive company equity and access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored medical HSA plan option, dental and vision coverage, 3 weeks paid vacation and 5 days sick leave per year, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match. Other perks include: Discounted employee stock purchase program, subsidized EV charging stations, onsite gym, food and drinks, and other discounts.

Eligibility for benefits may vary based on employment status, please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company's discretion.

Base Pay Range (CA Only)
$30—$40 USD

WHAT TO EXPECT

We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work, and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.

Important information:

FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.

Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at g.biow@rocketlabusa.com.This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days.

FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:

For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations.

Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.