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Stack Tester Jobs in California (NOW HIRING)

A successful Reporting QC Specialist II independently completes stack testing calculations while ensuring data quality and compliance with established standards. The compensation range for this role ...

Our client is looking Manual Tester (Bluetooth & WiFi) for Long Term project in Mountain View, CA ... Knowledge of Mobile devices, tablets, phones, watches, earbuds hardware and software stack * Good ...

Unit testing + functional testing = complete • To enjoy collaboration and success in small, high ... Required : • 4+ years of RoR full-stack engineering experience • Experience working on big data ...

Unit testing + functional testing = complete • To enjoy collaboration and success in small, high ... Required : • 4+ years of RoR full-stack engineering experience • Experience working on big data ...

Unit testing + functional testing = complete • To enjoy collaboration and success in small, high ... Required : • 4+ years of RoR full-stack engineering experience • Experience working on big data ...

Full Stack Engineer

Fremont, CA · On-site

$50 - $55/hr

Job Title Full Stack Engineer 3-5+ years (Mid-level) - Preferable less than 10 years experience ... Skilled in Unit Testing and Integration Testing 6. AI Exposure * Exposure to AI concepts, tools, or ...

As a Full Stack Developer, you will be responsible for designing, developing, and maintaining web ... Perform unit testing, debugging, and troubleshooting to ensure software quality and resolve issues.

The Full Stack Developer will be responsible for designing, developing, testing, deploying, and maintaining modern web applications using Python, React, and AWS while collaborating closely with ...

Full Stack Engineer

San Francisco, CA · On-site

$120 - $170/hr

Knowledge of testing frameworks (Jest, React Testing Library, Vitest, Supertest). Nice to Have ... Technical stack: TypeScript, React, Next.js, Node.js, Express, Python, FastAPI, PostgreSQL, Prisma ...

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Showing results 1-20

Stack Tester information

See California salary details

$10

$37

$61

How much do stack tester jobs pay per hour?

As of Aug 31, 2026, the average hourly pay for stack 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 stack tester?

A Stack Tester is responsible for conducting emissions testing on industrial stacks to ensure compliance with environmental regulations. They collect air samples, operate testing equipment, and analyze emissions data. The role involves working outdoors, traveling to various sites, and following strict safety protocols. Stack Testers help industries meet air quality standards and regulatory requirements set by agencies like the EPA.

What are the typical daily responsibilities and work conditions for a stack tester?

Stack Testers spend much of their day collecting air samples from emission sources like smokestacks at industrial facilities using specialized equipment, often in outdoor or high-elevation environments. The role involves setting up, calibrating, and operating monitoring instruments, accurately recording data onsite, and later preparing detailed reports for compliance with environmental regulations. You may work in varying weather conditions and sometimes at significant heights or within safety-restricted zones, so adherence to safety procedures is critical. Work schedules can be irregular due to the need to conduct tests during plant downtime or according to regulatory requirements, and Stack Testers frequently collaborate with plant operators, environmental engineers, and regulatory officials. This role is ideal for those who enjoy hands-on technical work, troubleshooting, and contributing to environmental protection.

What are the key skills and qualifications needed to thrive in the stack tester position, and why are they important?

To thrive as a Stack Tester, you need a solid understanding of emissions testing protocols, environmental science, and analytical data collection, often supported by relevant technical training or certifications such as EPA Method 5 or NIOSH courses. Proficiency with stack sampling equipment, gas analyzers, and software for data logging and reporting is essential. Strong attention to detail, physical stamina, and effective communication help Stack Testers succeed, especially when working outdoors or as part of a team at industrial sites. These abilities ensure accurate emissions measurements, regulatory compliance, and the safe execution of testing procedures.

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

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

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

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

Infographic showing various Stack Tester job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $78,746 per year, or $37.9 per hour.

Reporting QC Specialist II - Stack

Onterris

Santa Ana, CA • On-site

$24 - $30/hr

Full-time

Posted 20 days ago


Job description

About Us

At Onterris, we build careers grounded in purpose,responsibilityand real-world impact.

"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

A Day in the Life

As a Reporting QC Specialist II, you'll be responsible for accurately calculating and validating stack testing results using spreadsheets and handwritten field records. A successful Reporting QC Specialist II independently completes stack testing calculations while ensuring data quality and compliance with established standards.

The compensation range for this role is $24.00 to $30.00 per hour.

To thrive in this role, you'll be comfortable taking ownership of the following responsibilities:

  • Writing and assembling documents such as test protocols or test reports using templates, following style guides and SOPs
  • Citing tolerances for these, e.g. 3A, 7E, 10, RA% using reference methods and applicable standards
  • Reporting QC Specialists II are successful at "from scratch reporting" of stack testing programs, and they are knowledgeable about regional tests and regulations
  • Preparing ERT without an ERT test plan or reference document
  • Calculating test results using spreadsheets and handwritten forms
  • Performing various clerical work where needed
Your Expertise and Skills

These requirements reflect the knowledge, skills and abilities that help you do your best work here.

  • Ability to work independently and with minimal supervision
  • Bachelor's degree in science/engineering or related field preferred. High School diploma is acceptable where writing/math/other skills can be demonstrated
  • Ability to identify and investigate anomalies in data, such as inconsistent or suspect results, outlying run results, suspect handwritten data, etc., and escalate to other specialists or managers where necessary. Can independently resolve most anomalies and when encountering new tests, methods, etc. can extrapolate based on previous similar experiences
  • 3+ years technical writing experience
  • 3+ years of experience with air test methods, permits, and regulatory requirements
  • Field testing experience is beneficial
  • Intermediate user of cloud-based platforms (ex. Google Workspace), Microsoft Office Suite products (Excel & Word), and PDF editing software
  • Capability to pass background checks and initial and random drug screening
Work Environment and Physical Requirements

The physical and environmental requirements below reflect what's typically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodations to qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.

  • Sitting, standing, and walking
  • Must be able to exert moderate physical effort, including lifting materials up to 20 pounds

#LI-KJ1

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.