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Overnight Leak Testing Jobs (NOW HIRING)

Assembly Technician I (1st Shift)

Manor, TX

$18.75 - $23.75/hr

Experience in helium leak testing, module, and subassembly testing, and inspection a plus. Work ... Overnight Travel: * Work may require out-of-town travel depending upon assignment (training and ...

Competitive Pay Differentials - Earn more for flexible schedules: * 2nd Shift : +10% * Overnight ... Perform the selection of specialized test equipment, set-up, calibration, Helium leak testing and ...

... leak diagnostics, and general troubleshooting. * Assist field staff in preparing project ... Some overnight travel may be required. * A valid driver's license (good driving record) is required.

Competitive Pay Differentials - Earn more for flexible schedules: * 2nd Shift : +10% * Overnight ... Perform the selection of specialized test equipment, set-up, calibration, Helium leak testing and ...

Competitive Pay Differentials - Earn more for flexible schedules: * 2nd Shift : +10% * Overnight ... Perform the selection of specialized test equipment, set-up, calibration, Helium leak testing 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 29, 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 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.
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Mobile Railcar Repair Technician

Compass Rail Services LLC

Harleyville, SC

$35/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 10 days ago


Key responsibilities

  • Perform on-site inspection, maintenance, and repair of freight railcars, including tank cars and boxcars.

  • Inspect, test, remove, install, and repair various valves and fittings on tank cars using approved procedures and calibrated tools.

  • Accurately complete documentation including inspection forms, valve repair records, and regulatory compliance paperwork.


Job description

Find your Path and Navigate your future at Compass Rail!

At Compass Rail, we are dedicated to providing top-tier solutions for railcar repair and transloading. With an experienced team and a commitment to excellence, we offer a comprehensive range of services tailored to meet the diverse needs of our clients in the rail transportation industry.

Position Summary:

The Carman Mobile Railcar Repair Technician is responsible for inspecting, diagnosing, and repairing railcars at customer sites, rail yards, or remote locations. This role requires strong mechanical skills-including specialized valve work-an ability to work independently, and a commitment to safety, quality, and compliance with federal rail regulations.

Compensation:

Starting at $25.00 an hour to $35.00 an hour based on experience

  • Full Time - 40 hours per week, may need to work extended hours
  • Working at various locations within 4-hour radius of location, overnight travel may be required.

Key Responsibilities

  • Perform on-site inspection, maintenance, and repair of freight railcars, including tank cars and boxcars.
  • Inspect, test, remove, install, and repair various valves and fittings on tank cars (e.g., pressure relief valves, vacuum relief valves, bottom outlet valves, top fittings).
  • Perform valve seat resurfacing, lapping, and leak testing using approved procedures and calibrated tools.
  • Troubleshoot mechanical problems and perform structural and running gear repairs.
  • Ensure all valve and car repairs comply with FRA, AAR, and company standards.
  • Accurately complete documentation including inspection forms, valve repair records, and regulatory compliance paperwork.
  • Operate welding and cutting equipment for structural and component repairs when required.
  • Drive and operate a service truck equipped with tools, valve kits, and repair materials.
  • Maintain proper inventory of valve parts, gaskets, seals, and specialty tools.
  • Communicate effectively with dispatchers, supervisors, and customers regarding repair status and site conditions.
  • Work outdoors in varying weather conditions and travel frequently within the assigned region.

Qualifications:

  • High school diploma or GED required.
  • 2+ years of experience in railcar repair, mechanical valve work, or related field preferred.
  • Familiarity with FRA and AAR regulations, particularly those related to tank car valve inspections and qualifications.
  • Experience with valve repair tools, hydrostatic testing, and documentation procedures.
  • Welding certification (FCAW, SMAW) is a plus.
  • Valid driver's license and clean driving record; CDL preferred or willingness to obtain.
  • Ability to read and interpret valve schematics, repair manuals, and safety documentation.
  • Strong attention to detail and ability to work independently.

What We Offer:

  • Health, Dental and Vision Benefits
  • Vacation and Holiday Pay
  • 401K after first year
  • Bonus Program based on Efficiencies, Quality, Safety, and Customer Satisfaction
  • Travel reimbursements and more!
  • Job Type: Full-time