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Overnight Leak Testing Jobs (NOW HIRING)

Alliance is the largest exclusive air emissions stack testing services company in the United States ... This job will be a combined local day and some overnight travel reporting to our clients in areas ...

... line/leak testing and ATG functionality checks * Ensure work meets local, state, and federal ... Some positions require travel and overnight stays. Travel expenses will be covered by Nwestco, LLC ...

... line/leak testing and ATG functionality checks * Ensure work meets local, state, and federal ... Some positions require travel and overnight stays. Travel expenses will be covered by Nwestco, LLC ...

OnSite Specialist- Temple, TX

Temple, TX · On-site

$21.58 - $29.20/hr

Provide flexible coverage, including rotating schedules, on-call, overnight and weekend shifts, and ... Perform in-line function testing (leak, sharpness, insulation, or power checks). * Wrap and ...

Field Service Engineer

Minneapolis, MN · On-site

$105K - $107K/yr

LACO Technologies is a leading manufacturer of custom vacuum and leak testing systems used in ... overnight weekday travel Compensation and Benefits - Pay: $105,000+ depending on experience ...

OnSite Specialist- Temple, TX

Temple, TX · On-site

$21.58 - $29.20/hr

... on-call, overnight and weekend shifts, and support for other accounts within and outside your ... Perform in-line function testing (leak, sharpness, insulation, or power checks). * Wrap and ...

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Overnight Leak Testing information

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$28K

$45.4K

$66K

How much do overnight leak testing jobs pay per year?

As of Jun 8, 2026, the average yearly pay for overnight leak testing in the United States is $45,356.00, according to ZipRecruiter salary data. Most workers in this role earn between $39,500.00 and $49,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Overnight Leak Testing Technician, and why are they important?

To thrive as an Overnight Leak Testing Technician, you need a solid understanding of mechanical systems, leak detection methods, and relevant safety protocols, typically supported by a high school diploma or technical certification. Familiarity with leak testing equipment such as pressure gauges, ultrasonic detectors, and data logging systems is essential. Attention to detail, strong problem-solving abilities, and effective communication skills are crucial soft skills in this role. These competencies ensure accurate testing, safety compliance, and reliable reporting during overnight shifts when independent work is often required.

What does a leak detection specialist do?

A leak detection specialist is responsible for identifying and locating leaks in various systems, such as pipelines, tanks, or equipment, using specialized tools like pressure testers, ultrasonic detectors, or dye penetrants. They analyze data, perform inspections, and ensure systems are sealed properly to prevent fluid or gas loss, often working in controlled environments and following safety protocols.

What is the difference between Overnight Leak Testing vs Pressure Testing Technician?

AspectOvernight Leak TestingPressure Testing Technician
CertificationsLeak detection certifications, safety trainingPressure testing certifications, safety training
Work EnvironmentControlled environment, often in labs or facilitiesIndustrial sites, pipelines, or manufacturing plants
Job FocusDetecting leaks in systems or componentsApplying pressure to test system integrity
Industry UsageOil & gas, manufacturing, plumbingOil & gas, power plants, industrial maintenance

Overnight Leak Testing primarily involves detecting leaks in systems during off-hours, often requiring specialized leak detection tools. Pressure Testing Technicians focus on applying and monitoring pressure to ensure system integrity. While both roles require safety certifications and industry knowledge, their main tasks differ: leak detection versus pressure application. Understanding these distinctions helps employers and job seekers identify the right role based on skills and work environment.

What are the typical challenges faced during overnight leak testing shifts, and how can new employees prepare for them?

Overnight leak testing roles often involve working in quieter, less-staffed environments where quick problem-solving and independent decision-making are essential. Common challenges include managing fatigue, staying alert during long hours, and accurately documenting results despite limited supervision. New employees can prepare by developing strong time-management habits, familiarizing themselves with testing equipment before their shift, and maintaining consistent communication with the day team for smooth handovers. Additionally, using breaks effectively and following safety protocols will help ensure accuracy and safety throughout overnight operations.

What is Overnight Leak Testing?

Overnight leak testing involves inspecting systems, pipes, or equipment for leaks during nighttime hours, typically when production or facility usage is minimal. This process helps identify any leaks that could cause safety issues, product loss, or equipment damage. Technicians use specialized tools, such as pressure gauges or ultrasonic detectors, to detect leaks and ensure the integrity of the system. Overnight testing is often preferred because it minimizes disruption to regular operations and allows for more accurate detection due to lower ambient noise.
More about Overnight Leak Testing jobs
What cities are hiring for Overnight Leak Testing jobs? Cities with the most Overnight Leak Testing job openings:
What are the most commonly searched types of Leak Testing jobs? The most popular types of Leak Testing jobs are:
What states have the most Overnight Leak Testing jobs? States with the most job openings for Overnight Leak Testing jobs include:
What job categories do people searching Overnight Leak Testing jobs look for? The top searched job categories for Overnight Leak Testing jobs are:
Infographic showing various Overnight Leak Testing job openings in the United States as of May 2026, with employment types broken down into 3% As Needed, and 97% Full Time. Highlights an 100% In-person job distribution, with an average salary of $45,356 per year, or $21.8 per hour.

Assembly Technician III (1st Shift)

Ultra Clean Technology Systems & Svc Inc

Hayward, CA

$22.79 - $34.23/hr

Full-time

Posted 2 days ago


Job description

Join UCT and be part of the fastest-growing sector in the world! We indirectly touch every semiconductor chip that goes into every smartphone, smart car, and device that uses artificial intelligence. This is a critical time for the semiconductor industry and for UCT - as technology evolves, we evolve with it. UCT is a diverse workplace where every talented employee is committed to continuous innovation, challenging the status quo and exceeding customer expectations. If you are a person with a relentless drive to succeed, a strong focus on quality with a passion for success – join us today! 

UCT is seeking an experienced and talented Assembly Technician III to join our team in Hayward, CA!

The Assembly Technician III builds complex mechanical and electrical assemblies, ensuring precision and quality throughout the production process. This role performs testing, troubleshooting, and helium leak detection, while interpreting schematics and work instructions. It requires skilled use of hand and power tools and fosters effective communication on the floor. The technician plays a key role in maintaining product integrity and supporting operational efficiency.

Essential Duties and Responsibilities:

  • Build mechanical assemblies & sub-assemblies.
  • Must be able to read pneumatic and electrical schematics.
  • Responsible for helium leak testing, cabling, module, and sub-assembly testing.
  • Operates hand and power tools to complete assemblies.
  • Reads and interprets work instructions to ensure accuracy of work performed.
  • Interacts with management and team members to encourage effective communication on the production floor.
  • Performs standard testing and minor and major troubleshooting.
  • Ensures quality standards are met throughout all steps of the assembly process.
  • Attendance is an essential job function.
  • Performs other duties as required.

Other Duties

  • Please note that this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time, with or without notice.

Knowledge, Skills, and Abilities:

  • Related experience in a non-manufacturing environment considered.
  • Cable and Harness assembly experience a plus.
  • Ability to read and interpret written information and follow directions.
  • Basic mechanical skills and the ability to perform basic and repetitive assembly operations as required.
  • General knowledge of operating hand tools, portable power tools, and bench tools.
  • Strong attention to detail, quality-focused, and willing to learn.
  • Excellent communication skills.
  • Basic computer skills and the ability to operate computer terminals and general software applications.
  • Ability to read engineering drawings, schematics, and blueprints.

Educational/Certification Requirement:

  • High School Diploma or equivalent experience
  • Some technician coursework and/or AA technical degree or equivalent experience

Work Experience:

  • 3+ years of experience in a manufacturing/cleanroom environment or a combination of education and experience required.
  • Experience in helium leak testing, module, sub-assembly testing, and inspection preferred.

Work Environment:

  • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions
  • Work is performed primarily in a standard manufacturing environment

Physical Demands:

  • Ability to stoop, kneel, crouch, reach, walk, push, pull and grasp.
  • Ability to exert up to 30 pounds of force occasionally, and/or up to 10 pounds of force frequently, and/or a negligible amount of force constantly to move an object.
  • Ability to move arms, hands, and fingers.
  • Required to wear personal protective equipment where applicable.
    Subject to frequent interruptions.
  • Ability to stand/sit for sustained periods of time.
  • Ability to use a ladder comfortably.

Environmental Exposure:

  • Subject to hazards including electrical current, moving mechanical parts, chemical exposure, and debris.
  • Subject to noise levels.

Overnight Travel:

  • Work may require out-of-town travel depending upon assignment (training and meeting).

Ultra Clean Technology is proud to be an equal-opportunity employer. We are committed to equal employment opportunity regardless of race, color, national or ethnic origin, age, religion, disability, sexual orientation, gender, gender identity and expression, marital status, and any other characteristic protected under laws and regulations.

The pay range for this position at commencement of employment is expected to be between $22.79 and $34.23/hour; however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements, including variable pay and discretionary awards in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO (Paid Time Off) and parental leave), dependent on the position offered. Details of participation in these additional compensation and benefit plans will be provided if an employee receives an offer of employment. 

If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.