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Sign Shop Assistant Jobs in Seattle, WA (NOW HIRING)

Clean Harbors

TDG Tank Inspector

Tukwila, WA

$18.50 - $20/hr

... 000 SIGN ON BONUS!!! Why work for Clean Harbors? * Health and Safety is our #1 priority, and we ... Maintain all tools and test equipment; * Assist with finding qualified repair shops when necessary.

Clean Harbors

TDG Tank Inspector

Tukwila, WA

$18.75 - $20.25/hr

... and more. $5,000 SIGN ON BONUS!!! Why work for Clean Harbors? * Health and Safety is our #1 ... Maintain all tools and test equipment; * Assist with finding qualified repair shops when necessary.

Clean Harbors

TDG Tank Inspector

Tukwila, WA · On-site

$18.75 - $53.41/hr

... and more. $5,000 SIGN ON BONUS!!! Why work for Clean Harbors? * Health and Safety is our #1 ... Maintain all tools and test equipment; * Assist with finding qualified repair shops when necessary.

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All JobsSign Shop JobsSign Shop Assistant JobsSign Shop Assistant Jobs in Seattle, WA

Sign Shop Assistant information

See Seattle, WA salary details

$10

$19

$26

How much do sign shop assistant jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for sign shop assistant in Seattle, WA is $19.01, according to ZipRecruiter salary data. Most workers in this role earn between $16.39 and $20.77 per hour, depending on experience, location, and employer.

What is a sign shop assistant?

Sign Shop Assistants are support staff who help with the production, assembly, and installation of signs in a sign-making shop. Their duties may include preparing materials, operating sign-making equipment, assisting with graphic design, and ensuring finished products meet quality standards. They often work closely with designers and installers to fulfill customer orders efficiently. Attention to detail and good communication skills are important for this role.

What are the key skills and qualifications needed to thrive as a sign shop assistant?

To thrive as a Sign Shop Assistant, you need basic design knowledge, attention to detail, and experience with sign production, often supported by a high school diploma or equivalent. Familiarity with graphic design software (such as Adobe Illustrator or CorelDRAW), vinyl cutting machines, and large format printers is typically required. Strong organizational skills, effective communication, and the ability to work well in a team are valuable soft skills in this role. These competencies ensure accuracy, efficiency, and high-quality sign production in a deadline-driven environment.

What are some typical challenges a sign shop assistant might face on the job?

As a Sign Shop Assistant, you may encounter challenges such as managing multiple orders with tight deadlines, learning to operate specialized equipment safely, and ensuring quality control during production and installation. Teamwork is essential, as you'll often collaborate with designers, printers, and installers to complete projects efficiently. Developing good communication and time management skills will help you overcome these challenges and contribute positively to the shop's workflow.

What is the difference between Sign Shop Assistant vs Sign Installer?

AspectSign Shop AssistantSign Installer
CredentialsBasic high school diploma; some roles may require certifications in safety or equipment useHigh school diploma; certifications in safety, equipment operation, or specialized installation may be preferred
Work EnvironmentIndoor sign shops, assisting with design, fabrication, and customer serviceOn-site at client locations, installing signs on buildings, streets, or vehicles
Employer & Industry UsageSign manufacturing companies, print shops, retail signage providersConstruction companies, sign installation firms, signage contractors

The Sign Shop Assistant primarily works indoors assisting with sign design, fabrication, and customer service, while the Sign Installer focuses on on-site installation of signs at various locations. Both roles may require safety certifications, but their work environments and daily tasks differ significantly.

What are popular job titles related to Sign Shop Assistant jobs in Seattle, WA?

For Sign Shop Assistant jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Sign Shop Assistant jobs in Seattle, WA look for?

The top searched job categories for Sign Shop Assistant jobs in Seattle, WA are:

Sign Shop Assistant jobs near you
Infographic showing various Sign Shop Assistant job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 23% Part Time, 1% Temporary, and 2% Contract. Highlights an 97% Physical, 2% Hybrid, and 1% Remote job distribution, with an average salary of $39,541 per year, or $19 per hour.

TDG Tank Inspector

Clean Harbors

Tukwila, WA

$18.50 - $20/hr

Full-time

Re-posted 28 days ago

Clean Harbors rating

7.0

Company rating: 7.0 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

43rd of 91 rated recycling and waste

Job description

Job Description

Clean Harbors Tukwila, WA  is looking for a HM183 Tank Inspector to join their safety conscious team! The HM183 Tank Inspector is primarily responsible to perform visual, internal, pressure and leak tests on truck mounted tanks. As well as being responsible for tank testing on Hazardous Material certified tanks such as vac trucks, hydro excavators, oil tankers, guzzlers, tanker trailers, cargo tanks, and more. 

$5,000 SIGN ON BONUS!!!

Why work for Clean Harbors?

  • Health and Safety is our #1 priority, and we live it 3-6-5!
  • Competitive wages
  • Pay is based on experience
  • Comprehensive health benefits coverage after 30 days of full-time employment
  • Group 401K/RRSP with company matching component.
  • Opportunities for growth and development for all the stages of your career
  • Generous paid time off!
  • Company paid training!
  • Tuition reimbursement!
  • Company provided uniforms and PPE!
  • State of the art facilities, technology, and tooling

Access to company paid OEM certifications and trainings!

Ask a recruiter today for more information!

Responsibilities

  • Ensuring that Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times;
  • Perform VIPK inspections [visual, internal, pressure, leakage];
  • Timely and accurate completion of all required paperwork;
  • Assist with other repairs and preventative maintenance in shop as required;
  • Order parts and maintain inventory as required;
  • Perform necessary tank test on units, and ensure they comply with all government and company standards and regulations;
  • Perform repairs to tanks within the inspectors’ qualifications;
  • Apply proper decaling to tanks;
  • Maintain all tools and test equipment;
  • Assist with finding qualified repair shops when necessary.

What does it take to work for Clean Harbors? 

  • 3+ years’ experience as a tank inspector (VIPK inspections) required;
  • High school diploma or GED required.
  • HM-183 Register Inspector (Tank Inspector) Certificate is strongly preferred;
  • 1+ years diesel mechanic experience with heavy-duty trucks and/or equipment required;
  • Must have own set of basic tools, up to ½” (specialty inspector tools will be provided);
  • Strong computer skills required;
  • Valid Driver’s License is required;
  • Experience operating heavy equipment is an asset.

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology – come be part of the solution with us. 

Clean Harbors is an equal opportunity employer.

Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making.

Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact ect@cleanharbors.com or 1-844-922-5547.

Clean Harbors and its subsidiaries are a Military & Veteran friendly company.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

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About Clean Harbors

Sourced by ZipRecruiter

Clean Harbors is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, and manufacturing, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates throughout the United States, Canada, Mexico and Puerto Rico.

Industry

Environmental consulting services

Company size

10,000+ Employees

Headquarters location

Norwell, MA, US

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