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Tank Tester Jobs in California (NOW HIRING)

Polynt S.p.A.

Quality Control Technician Azusa

Azusa, CA · On-site

$19 - $24.50/hr

This includes in-process reactor test and adjustment, thin tank/blend tank testing and adjustment instructions to production operators to meet final product specifications. Lab Technicians shall ...

Polynt Group

Quality Control Technician Azusa

Azusa, CA · On-site

$19 - $24.50/hr

This includes in-process reactor test and adjustment, thin tank/blend tank testing and adjustment instructions to production operators to meet final product specifications. Lab Technicians shall ...

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All JobsTank Tester JobsTank Tester Jobs in California

Tank Tester information

What is a tank tester?

Tank testers are professionals who inspect, assess, and evaluate storage tanks—often used for petroleum, chemicals, or water—to ensure their safety, integrity, and compliance with environmental regulations. They use specialized equipment to detect leaks, corrosion, or structural weaknesses in both underground and aboveground tanks. Tank testers play a crucial role in preventing environmental contamination and ensuring that tanks operate safely and efficiently.

What are the key skills and qualifications needed to thrive as a tank tester?

To thrive as a Tank Tester, you need strong knowledge of tank inspection procedures, safety regulations, and often a background in mechanical or environmental sciences. Familiarity with leak detection equipment, calibration tools, and certifications like API 653 or state-specific tank testing credentials are commonly required. Attention to detail, problem-solving abilities, and clear communication are essential soft skills for accurately assessing tanks and reporting findings. These skills and qualifications ensure compliance, environmental safety, and reliable operation of storage tank systems.

What are some common challenges tank testers face, and how are they typically addressed on the job?

Tank Testers often encounter challenges such as working in confined spaces, exposure to hazardous materials, and ensuring compliance with strict safety and environmental regulations. To address these, workplaces provide thorough safety training, use of personal protective equipment (PPE), and implement rigorous testing and documentation procedures. Collaboration with safety officers and maintenance teams is essential to ensure all tests are performed correctly and any issues are quickly resolved. Regular updates in industry standards also require Tank Testers to stay current through ongoing education and certification.

What is the difference between Tank Tester vs Tank Inspector?

AspectTank TesterTank Inspector
CertificationsHydrostatic testing, safety certificationsNDT certifications, safety standards
Work EnvironmentIndustrial sites, tanks, storage facilitiesInspection sites, industrial plants
Employer & Industry UsageOil & gas, chemical, storage industriesManufacturing, construction, industrial sectors

Tank Testers primarily perform pressure and safety tests on tanks to ensure integrity, while Tank Inspectors evaluate tank conditions, perform non-destructive testing, and ensure compliance with safety standards. Both roles require safety certifications and work in industrial environments, but Tank Testers focus on testing procedures, whereas Tank Inspectors emphasize inspection and assessment.

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

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

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

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

Tank Tester jobs near you
Infographic showing various Tank Tester job openings in California as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 13% Part Time, 5% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Trailer Mechanic / Registered Tank Inspector

Quala

Bloomington, CA

$22 - $42/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago

Job description

Trailer Mechanic / Registered Tank Inspector

Company: Depot Connect International (DCI)

Industry: Tank Trailer & ISO Tank Container Services

Location: Bloomington, CA

Pay Range: $22.00 $42.00 per hour (Starting rate based on experience)

Build a Career That Keeps America Moving

Depot Connect International (DCI) is a global leader in Tank/ISO Tank Container Services and Tank Trailer Parts. Formed by the combined expertise of industry leaders Quala, Boasso Global, and PSC, DCI operates over 120 locations worldwide with more than 3,500 employees delivering mission-critical transportation services.

We are currently seeking DOT inspection-certified Trailer Mechanics with specialized tank trailer repair experience who take pride in their craft and understand the importance of safety, precision, and reliability.

If you enjoy diagnosing problems, solving complex mechanical challenges, and working on heavy-duty equipment that truly matters, this is the opportunity to grow your career within a stable, expanding global company.

Role Overview

The Trailer Mechanic / Registered Inspector is responsible for inspecting, diagnosing, repairing, and maintaining a diverse fleet of specialized tank trailers in strict compliance with DOT and HM183 (hazmat) regulations. This role requires strong mechanical aptitude, advanced troubleshooting ability, and an absolute commitment to safety and quality workmanship.

Key Responsibilities

  • DOT & HM183 Inspections: Conduct rigorous, compliant inspections on various cargo tank specifications, including low-pressure liquid and chemical trailers (MC 306/406, MC 307/407) and high-pressure/cryogenic gas trailers (MC 331, MC 338).

  • Diagnostics & Repairs: Diagnose failures and perform high-quality repairs on mechanical, electrical, structural, and tank piping/valve systems.

  • Brakes & Suspension: Inspect, service, install, and repair trailer suspension systems and air brake systems.

  • Compliance & Documentation: Ensure all structural repairs and testing align perfectly with federal hazmat safety standards; maintain meticulously detailed inspection logs.

  • Safety & Environment: Follow all OSHA and confined space safety procedures while maintaining a clean, organized shop floor.

  • Welding (Plus): TIG welding experience (aluminum, stainless steel, or carbon steel) is highly preferred to align with our shop's ASME "R" Stamp capabilities.

Qualifications

  • DOT Inspection Certification Required (Meets FMCSA criteria for a Registered Cargo Tank Inspector).

  • Experience: 2+ years of dedicated tank trailer repair and testing experience preferred (ideal candidate has 35 years).

  • Technical Knowledge: Deep familiarity with DOT HM183 cargo tank testing requirements (V, I, L, P, T, K testing methodologies).

  • System Mechanics: Proven experience troubleshooting and repairing heavy-duty air brake systems, suspensions, and industrial piping.

  • Quality Focus: Ability to read, understand, and execute repairs according to technical manuals, blue-prints, and federal compliance standards.

Physical Requirements

  • Regularly lift and/or move up to 50 lbs (and occasionally up to 75 lbs with assistance).

  • Ability to safely enter, exit, and work inside tank trailer manholes (Confined Space environment).

  • Ability to stand, bend, kneel, and work in physically demanding shop conditions.

Career Growth & Development

At DCI, we believe in investing heavily in our mechanics. We offer:

  • Skill-Based Pay Reviews: Earn automatic pay rate evaluations every 6 months as you level up your skills until you hit top pay!

  • Production Bonuses: Earn extra compensation based on your efficiency and output.

  • Advanced Certifications: Access to resources and training to become a National Board ASME Certified Welder.

  • Tool Support: Take advantage of our Tool Purchase Program to build your professional kit.

  • Clear Pathways: Transparent career advancement tracks within a massive, global logistics footprint.

DCI Benefits

  • Competitive pay ($22.00 $42.00/hr) with built-in Tier Levels.

  • Partially employer-paid medical, dental, and vision insurance.

  • 401(k) with a generous employer match (Traditional and Roth options).

  • 100% employer-paid short-term/long-term disability and group life insurance (up to 1.25x annual salary).

  • Paid Time Off (PTO) plus 10 paid holidays.

  • Optional HSA & FSA accounts.

  • Tuition Reimbursement & Employee Referral Programs.

  • An effective, award-winning, and proven shop safety culture.

APPLY NOW and START A NEW CAREER WITH THE TANK PROS!

Apply