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Plumbers Assistant Jobs in Wisconsin (NOW HIRING)

GRAEF

Plumbing Engineer P3

Milwaukee, WI · On-site

$83K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Perform calculations and assist with equipment selection to support efficient, code-compliant plumbing and fire protection system designs. * Coordinate with multi-discipline project teams, including ...

Cedar Grove Warehouse

Be Seen First

Building Maintenance Technician- First Shift

Schofield, WI · On-site

$23 - $28/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Assists and performs with installation, maintenance, repair and construction work in the basic building maintenance trades, such as carpentry, painting, electrical, and plumbing * Assist with ...

Sanimax

Maintenance Mechanic-Night Shift

Green Bay, WI

$25/hr

  • Medical

  • Dental

  • Retirement

Repair pipefitting and plumbing * Assist electricians with mounting and unmounting motors and gear drives * Repair, rebuild and replace pumps * Perform general cleaning within the production plant at ...

Dave Jones LLC

Pre-Fabrication Assistant

Madison, WI · On-site

$20 - $22/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We specialize in plumbing, heating, cooling, electrical, and fire sprinkler installations for ... As a Pre-Fab Assistant, you'll help assemble and prepare plumbing, electrical, and HVAC components ...

Dave Jones LLC

Pre-Fabrication Assistant

Madison, WI · On-site

$20 - $22/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We specialize in plumbing, heating, cooling, electrical, and fire sprinkler installations for ... As a Pre-Fab Assistant, you'll help assemble and prepare plumbing, electrical, and HVAC components ...

Dave Jones LLC

Pre-Fabrication Assistant

Madison, WI · On-site

$20 - $22/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We specialize in plumbing, heating, cooling, electrical, and fire sprinkler installations for ... As a Pre-Fab Assistant, you'll help assemble and prepare plumbing, electrical, and HVAC components ...

Eden Senior Care

Maintenance Assistant

Beaver Dam, WI · On-site

$20 - $25/hr

Responsibilities: * Assist with routine maintenance and repair tasks, including plumbing, electrical, HVAC, carpentry, and general building maintenance. * Conduct regular inspections to identify and ...

Sonida Senior Living

Maintenance Assistant

Green Bay, WI · On-site

$15.75 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Eligibility based on location Maintenance Assistant Responsibilities include: * Performs general ... Performs general maintenance on a daily basis for the building to include HVAC, plumbing ...

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Showing results 21-40

All JobsPlumbers JobsPlumbers Assistant JobsPlumbers Assistant Jobs in Wisconsin

Plumbers Assistant information

See Wisconsin salary details

$12

$19

$29

How much do plumbers assistant jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for plumbers assistant in Wisconsin is $19.47, according to ZipRecruiter salary data. Most workers in this role earn between $16.01 and $21.59 per hour, depending on experience, location, and employer.

What is a plumbers assistant?

Plumbers Assistants are entry-level workers who support licensed plumbers during installation, maintenance, and repair of plumbing systems. Their duties typically include carrying tools, preparing materials, cleaning work areas, and assisting with tasks such as measuring, cutting, and fitting pipes. They help ensure jobs move efficiently and provide hands-on support for more complex plumbing tasks. This role is a common starting point for individuals interested in becoming licensed plumbers themselves.

What are the key skills and qualifications needed to thrive as a plumbers assistant, and why are they important?

To thrive as a Plumbers Assistant, you need a basic understanding of plumbing systems, manual dexterity, and often a high school diploma or equivalent. Familiarity with hand and power tools, pipe fittings, and safety equipment is typically required, though formal certifications are less common at this entry level. Reliability, strong communication, and a willingness to learn are important soft skills for supporting licensed plumbers and interacting with customers. These skills ensure efficient teamwork, safe work practices, and high-quality service delivery in varied job environments.

What are some typical challenges faced by a plumbers assistant, and how can they be addressed on the job?

Plumber's Assistants often encounter challenges such as working in confined spaces, dealing with unexpected leaks or equipment malfunctions, and managing a fast-paced workload during emergencies. To address these, it's important to stay organized, communicate clearly with the lead plumber, and remain adaptable when priorities shift. Building strong problem-solving skills and maintaining a positive attitude can also help navigate these common obstacles and contribute to a smooth workflow.

What is the difference between Plumbers Assistant vs Plumber?

AspectPlumbers AssistantPlumber
Required CredentialsNone or minimal; on-the-job trainingState licensing or certification often required
Work EnvironmentAssist with tasks in residential, commercial, or industrial sitesPerform installation, repair, and maintenance of plumbing systems
Employer & Industry UsageEntry-level support role in plumbing industryLicensed professional responsible for plumbing work

The Plumbers Assistant typically supports licensed plumbers by performing basic tasks and assisting in the field, often without formal credentials. In contrast, a Plumber is a licensed professional who handles complex installations and repairs. The assistant role is ideal for those starting in the industry, while the plumber role requires certification and experience.

What are the most commonly searched types of Plumbers jobs in Wisconsin?

The most popular types of Plumbers jobs in Wisconsin are:

What are popular job titles related to Plumbers Assistant jobs in Wisconsin?

For Plumbers Assistant jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Plumbers Assistant jobs in Wisconsin look for?

The top searched job categories for Plumbers Assistant jobs in Wisconsin are:

What cities in Wisconsin are hiring for Plumbers Assistant jobs?

Cities in Wisconsin with the most Plumbers Assistant job openings:

Plumbers Assistant jobs near you
Infographic showing various Plumbers Assistant job openings in Wisconsin as of August 2026, with employment types broken down into 2% As Needed, 77% Full Time, 18% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $40,490 per year, or $19.5 per hour.

Plumbing Engineer P3

GRAEF

Milwaukee, WI • On-site

$83K - $105K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Job description

GRAEF, a leading U.S. consulting firm, has been providing exceptional careers and quality engineering, planning and design services to our clients since 1961. We recognize that the best workplaces are filled with technically excellent, innovative, creative, and highly motivated people. GRAEF is more than just a business. We are a committed employer and community member. We invest in our employees as we do our clients, providing a challenging and rewarding environment where you can grow both personally and professionally. GRAEF values exciting work and lasting relationships; we embody values that speak to loyalty, service, quality and integrity; and we strive to grow with these ideas leading the way.
We're looking for people who agree that in addition to technical excellence, it's all about relationships! What are you looking for in a career? The opportunity to work on exciting, high-profile projects? The satisfaction and security of working at an employee-owned company? Or maybe the opportunity to improve the quality of life - not just for you and your family, but for the worldwide community at large?
We are seeking a Plumbing Engineer to join our Mechanical Team in Milwaukee, Wisconsin. This position offers the opportunity to contribute to the design of plumbing and fire protection systems while working on a wide range of building types and project scales. You will support the development and documentation of plumbing and fire protection systems while growing your technical expertise within a high-performing, collaborative team environment. This role provides strong opportunities for professional development and advancement within our Mechanical Team.
As a member of the GRAEF Mechanical Team, your responsibilities may include:
  • Support the design and development of complete plumbing systems from project conceptual phase through construction documents for a wide variety of project types.
  • Assist with the scope design and specification of Fire Protection systems, including system selection, zoning, equipment sizing, and other system components.
  • Develop drawings, models, specifications, and construction documents using Revit, Bluebeam, and other design tools.
  • Perform calculations and assist with equipment selection to support efficient, code-compliant plumbing and fire protection system designs.
  • Coordinate with multi-discipline project teams, including mechanical, electrical, structural, and architectural team members, to support coordinated project execution.
  • Assist with construction phase activities, including submittal review support, RFI assistance, meeting participation, and site visits (travel may be required.)
  • Participate in technical learning opportunities and professional development activities to expand knowledge of plumbing and fire protection systems.

We are considering candidates who possess the following minimum qualifications:
  • Bachelor's degree in mechanical engineering, architectural engineering, or a closely related field.
  • Minimum of 3 years of previous experience in plumbing and/or fire protection system design or related building system design.
  • Proficiency in Revit, Bluebeam, and plumbing/fire protection calculation software.
  • Completion of the Fundamentals of Engineering (FE) exam is preferred, with interest in pursuing a Professional Engineer (PE) license in the future.
  • Strong team-focused skills, including communication, collaboration, and problem-solving abilities.
  • Ability to manage multiple tasks, meet deadlines, and produce high-quality work.

Why GRAEF? We are proud to offer you a complete benefit package to include:
  • Training, Mentorship, and Leadership Development Programs
  • A team atmosphere dedicated to open communication and collaboration
  • Flexible hours/hybrid schedule
  • Embed yourself in the community by participating in numerous outside activities that GRAEF endorses and supports
  • Exciting downtown office location, with free amenities, including onsite fitness center, pickleball courts, and more
  • Free covered parking
  • Paid Parental Leave
  • Paid Time Off
  • Medical/Dental/Vision Insurance
  • Life Insurance
  • Short-Term and Long-Term Disability
  • Flexible Spending Plans
  • Retirement Savings Plan
  • Employee Stock Ownership Plan (ESOP)
  • Tuition Reimbursement
  • Casual Dress

An Equal Opportunity Employer/Affirmative Action Employer - Disabled/Vets
Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at:
Phone: 414-259-1500 / Email: GRAEFjobs@graef-usa.comAn Equal Opportunity Employer/Affirmative Action Employer - Disabled/Vets
If you want to view the Know Your Rights: Workplace Discrimination is Illegal poster, please choose your language:English - Spanish - Arabic - Chinese
If you want to view the EEO is the Law Supplement poster, please choose your language:English - Spanish - Arabic - Chinese
If you want to view the Pay Transparency Policy Statement, please click the link: English

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