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Mainline Jobs in Seattle, WA (NOW HIRING)

Quanta Services

Mainline Trench Operator

Sumner, WA · On-site

$34.60 - $59.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mainline Trench Operator If you enjoy working with a great group of professionals, are accurate, thrive in a fast-paced environment, and enjoy using your analytic and organizational skills, then we ...

Potelco, Inc.

Mainline Trench Operator

Sumner, WA · On-site

$34.60 - $59.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

About this Role Mainline Trench Operator If you enjoy working with a great group of professionals, are accurate, thrive in a fast-paced environment, and enjoy using your analytic and organizational ...

Potelco, Inc.

Mainline Trench Operator

Sumner, WA · On-site

$34.60/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

About this Role Mainline Trench Operator If you enjoy working with a great group of professionals, are accurate, thrive in a fast-paced environment, and enjoy using your analytic and organizational ...

Kinder Morgan

Maintenance Technician-Harbor Island

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Troubleshoot, repair, maintain and calibrate equipment such as: pumps and motors, mainline and manifold control valves, turbine and positive displacement meters, proving equipment, tank gauging ...

Best Plumbing Group, LLC

Drain Technician

Seattle, WA · On-site

$73K - $78K/yr

Requirements: * Experienced with operating mainline cable machines, interior cable machines, electric mini jetters, and trailer-mounted hydro jetters. * Proficient in the use of sewer camera ...

Home Depot (Retail)

Cashier

Bellevue, WA · On-site

$13.25 - $18/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

A head cashier will position cashiers and support them by expediting price checks, approving point of sale transactions and markdowns for mainline registers, self-checkout, returns, pro desk, special ...

New

BDZ Developers Inc

TOP MAN

Bothell, WA · On-site

$20 - $25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Required: 2-yrs mainline top man experience * Physical * Required: Ability to lift and move objects of at least 100lbs. Ability to climb ladders. Ability to bend over, sit on knees, and otherwise ...

BDZ CONSTRUCTION

TOP MAN

Bothell, WA · On-site

$20 - $25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Required: 2-yrs mainline top man experience * Physical * Required: Ability to lift and move objects of at least 100lbs. Ability to climb ladders. Ability to bend over, sit on knees, and otherwise ...

BDZ Developers Inc

PIPE LAYER

Bothell, WA · On-site

$21.50 - $28.25/hr

Required: 2-yrs mainline pipe laying experience * Physical * Required: Ability to lift and move objects of at least 100lbs. Ability to climb ladders. Ability to bend over, sit on knees, and otherwise ...

Home Depot

Cashier

Poulsbo, WA · On-site

$18.50 - $19.50/hr

  • PTO

A Head Cashier will position Cashiers and support them by expediting price checks, approving Point of Sale transactions and markdowns for mainline registers, Self-Checkout, Returns, Pro Desk, Special ...

BDZ CONSTRUCTION

PIPE LAYER

Bothell, WA

$21.50 - $28.25/hr

Required: 2-yrs mainline pipe laying experience * Physical * Required: Ability to lift and move objects of at least 100lbs. Ability to climb ladders. Ability to bend over, sit on knees, and otherwise ...

Home Depot

Cashier

Poulsbo, WA · On-site

$12 - $16.25/hr

  • PTO

A Head Cashier will position Cashiers and support them by expediting price checks, approving Point of Sale transactions and markdowns for mainline registers, Self-Checkout, Returns, Pro Desk, Special ...

Home Depot

Cashier

Silverdale, WA · On-site

$18.50 - $19.50/hr

  • PTO

A Head Cashier will position Cashiers and support them by expediting price checks, approving Point of Sale transactions and markdowns for mainline registers, Self-Checkout, Returns, Pro Desk, Special ...

Home Depot

Cashier

Silverdale, WA · On-site

  • PTO

A Head Cashier will position Cashiers and support them by expediting price checks, approving Point of Sale transactions and markdowns for mainline registers, Self-Checkout, Returns, Pro Desk, Special ...

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Showing results 1-20

All JobsMainline JobsMainline Jobs in Seattle, WA

Mainline information

See Seattle, WA salary details

$12

$30

$66

How much do mainline jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for mainline in Seattle, WA is $30.99, according to ZipRecruiter salary data. Most workers in this role earn between $19.51 and $33.82 per hour, depending on experience, location, and employer.

What does a typical workday look like for a mainline pipefitter?

On a typical day, a Mainline Pipefitter is involved in tasks such as preparing and aligning pipes, performing welding or joining operations, reading project plans, and inspecting pipeline sections for quality control. Work often takes place outdoors, requiring close collaboration with a construction or utility crew to install or repair main pipelines. Mainline Pipefitters regularly use specialized machinery and power tools, and must adhere strictly to safety guidelines throughout their shift. The work can be physically demanding and may involve travel to various job sites, but it provides hands-on problem-solving and the opportunity to contribute to vital infrastructure projects.

What is a mainline?

A Mainline job typically refers to a role associated with the primary operations of a company, often in industries like railway, oil and gas, or telecommunications. In railways, it pertains to positions involved in the maintenance and operation of major train routes. In other industries, it can mean working on key infrastructure projects or networks. The responsibilities vary but usually involve ensuring smooth and efficient service along primary systems.

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

To thrive as a Mainline Pipefitter (commonly referred to as 'Mainline' in the utility and pipeline industries), you need excellent mechanical aptitude, physical stamina, and a strong understanding of pipeline construction and maintenance, usually supported by relevant trade training or apprenticeship. Knowledge of pipe threading machines, trenchers, and the ability to read blueprints and schematics is often essential, with OSHA safety certification highly recommended. Attention to detail, teamwork, and effective communication are important soft skills for coordinating with crews and ensuring safety standards are met. These competencies ensure that mainline projects are completed efficiently, safely, and in compliance with industry regulations.

What are popular job titles related to Mainline jobs in Seattle, WA?

For Mainline jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Mainline jobs in Seattle, WA look for?

The top searched job categories for Mainline jobs in Seattle, WA are:

Mainline jobs near you
Infographic showing various Mainline job openings in Seattle, WA as of August 2026, with employment types broken down into 86% Full Time, and 14% Part Time. Highlights an 100% In-person job distribution, with an average salary of $64,457 per year, or $31 per hour.

Mainline Trench Operator

Quanta Services

Sumner, WA • On-site

$34.60 - $59.75/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago

Quanta Services rating

7.3

Company rating: 7.3 out of 10

Based on 52 frontline employees who took The Breakroom Quiz

43rd of 80 rated construction

Job description

Potelco, Inc., a subsidiary of Quanta Services, Inc. (NYSE: PWR), was founded in 1965. We specialize in engineering, procurement, and construction (EPC) services, which include designing, estimating, material acquisition, project management, construction, emergency power restoration, system maintenance, and similar services. Our expertise is in power, transmission, distribution, and substation projects. We are a leading full-service provider of power infrastructure, construction, and support services in utility and energy contracting throughout the Pacific Northwest and neighboring states.

We are proud to be working with some of the region’s largest energy companies as we continue to modernize their electric systems, move towards de-carbonization, and maintain thousands of miles of overhead and underground lines serving millions of residential and commercial customers. We uphold high safety, productivity, and reliability standards as we work with our customers to provide both current and strategic, forward-thinking energy infrastructure, delivery, and solutions.


Mainline Trench Operator

If you enjoy working with a great group of professionals, are accurate, thrive in a fast-paced environment, and enjoy using your analytic and organizational skills, then we have a role for you! Potelco, Inc. seeks a great Mainline Trench Operator to join the team in Sumner, WA.

The hourly pay for this role is $34.60-$59.75, depending on experience


Responsibilities:

  • Excavate around existing utilities with precision.
  • Ability to properly clean and maintain the equipment.
  • Follows specifications for the job and company policies.
  • Compliance with safety procedures on and off the project site.

Minimum Qualifications:

  • 2+ years of mainline trench operator with excavator and backhoe experience.
  • CDL License is required.
  • Must be able to pass a pre-employment drug screen and background check.

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental Insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Vision insurance

The anticipated compensation for this position is USD $34.60/Hr. - USD $59.75/Hr. depending on experience and qualifications.

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.
We are an Equal Opportunity Employer, including disability and protected veteran status.
We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department.

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