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Union Flagging Jobs in Renton, WA (NOW HIRING)

CenTrio

Utility Construction Worker

Seattle, WA

$42.51/hr

Utility Construction Worker - Union Position Seattle, WA Full-Time | Monday-Friday Day Shift ... Traffic control or flagging experience * Mechanical construction background Qualifications * High ...

CenTrio

Utility Construction Worker

Seattle, WA · On-site

$42.51/hr

Utility Construction Worker - Union Position Seattle, WA Full-Time | Monday-Friday Day Shift ... Traffic control or flagging experience * Mechanical construction background Qualifications * High ...

CenTrio

Utility Construction Worker

Seattle, WA · On-site

$42.51/hr

Utility Construction Worker - Union Position Seattle, WA Full-Time | Monday-Friday Day Shift ... Traffic control or flagging experience * Mechanical construction background Qualifications * High ...

CenTrio

Utility Construction Worker

Seattle, WA · On-site

Utility Construction Worker Union Position Seattle, WA Full-Time | MondayFriday Day Shift ... Traffic control or flagging experience * Mechanical construction background Qualifications * High ...

Potelco, Inc.

Vac Truck Operator

Sumner, WA · On-site

$34.60 - $60.85/hr

This is a union position ; all employees must meet IBEW Local requirements and maintain good ... Tanker endorsement on CDL. * Forklift, Flagging, and First Aid/CPR certifications. * Experience ...

Quanta Services

Vac Truck Operator

Sumner, WA

$34.60 - $60.85/hr

This is a union position ; all employees must meet IBEW Local requirements and maintain good ... Tanker endorsement on CDL. * Forklift, Flagging, and First Aid/CPR certifications. * Experience ...

Potelco, Inc.

Vac Truck Operator

Sumner, WA · On-site

$34.60/hr

This is a union position ; all employees must meet IBEW Local requirements and maintain good ... Tanker endorsement on CDL. * Forklift, Flagging, and First Aid/CPR certifications. * Experience ...

All JobsUnion Flagging JobsUnion Flagging Jobs in Renton, WA

Union Flagging information

See Renton, WA salary details

$10

$19

$26

How much do union flagging jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for union flagging in Renton, WA is $19.45, according to ZipRecruiter salary data. Most workers in this role earn between $16.20 and $21.63 per hour, depending on experience, location, and employer.

What is a union flagger?

Union flaggers are workers who are responsible for directing and controlling traffic around construction sites, roadworks, or other areas where movement needs to be safely managed. They are members of a labor union, which helps ensure fair wages, safer working conditions, and job protections. Union flaggers use flags, signs, and hand signals to communicate with drivers and protect both workers and the public. Their training typically covers state and federal safety regulations, proper flagging techniques, and emergency procedures.

What are some common challenges union flaggers face on the job, and how do teams typically address them?

Union flaggers often encounter challenges such as managing traffic flow in unpredictable weather conditions, ensuring clear communication with construction crews, and maintaining safety for both workers and drivers. Teams typically address these issues through thorough safety training, the use of radios or hand signals for effective communication, and regular safety meetings to review protocols. Adapting quickly to changing environments and collaborating closely with other crew members are essential skills for success in this role.

What are the key skills and qualifications needed to thrive as a union flagging professional, and why are they important?

To thrive as a Union Flagging professional, you need a solid understanding of traffic control procedures, safety regulations, and often a valid flagger certification. Familiarity with tools such as stop/slow paddles, two-way radios, and sometimes electronic flagging devices is required. Strong communication, alertness, and teamwork are crucial soft skills for maintaining safety and coordinating with construction crews. These skills and qualifications are vital to protect workers and the public, ensuring smooth and secure operations in construction zones.

What is the difference between Union Flagging vs Signal Technician?

AspectUnion FlaggingSignal Technician
Required CredentialsTypically OSHA safety training, flagging certificationSignal system certifications, electrical training
Work EnvironmentRoadside, construction zones, outdoorRailway yards, transit systems, outdoor/indoor
Employer & Industry UsageConstruction, transportation, public worksRailroads, transit authorities, infrastructure
Common Search & ComparisonYesNo

Union Flagging primarily involves directing traffic and ensuring safety at construction sites or roadways, requiring flagging certifications. Signal Technicians focus on maintaining and repairing railway or transit signaling systems, requiring electrical and signal system certifications. While both roles work outdoors and in transportation-related environments, they serve different functions within the industry.

What are popular job titles related to Union Flagging jobs in Renton, WA? For Union Flagging jobs in Renton, WA, the most frequently searched job titles are:
What job categories do people searching Union Flagging jobs in Renton, WA look for? The top searched job categories for Union Flagging jobs in Renton, WA are:
What cities near Renton, WA are hiring for Union Flagging jobs? Cities near Renton, WA with the most Union Flagging job openings:
Union Flagging jobs near you
Infographic showing various Union Flagging job openings in Renton, WA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $40,455 per year, or $19.4 per hour.

Utility Construction Worker

CenTrio

Seattle, WA

$42.51/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 25 days ago

Job description

Utility Construction Worker - Union Position


Seattle, WA
Full-Time | Monday-Friday Day Shift
Competitive Union Pay + Overtime Opportunities


CenTrio is hiring a Utility Construction Worker to support the maintenance, repair, and construction of our underground steam distribution system in Seattle.

This is a full-time union position offering excellent benefits, long-term stability, overtime opportunities, and hands-on work supporting critical energy infrastructure throughout the city.

Candidates with backgrounds in pipefitting, steam fitting, underground utilities, mechanical construction, welding, or industrial maintenance are encouraged to apply.


What You'll Do

  • Perform maintenance and repair work on underground steam distribution systems
  • Cut, fit, thread, and install piping
  • Repair and maintain valves, steam traps, and insulation systems
  • Perform excavation, trenching, and confined space work safely
  • Operate and work around heavy equipment and mechanical systems
  • Support emergency repairs and system maintenance activities
  • Perform welding work when qualified and assigned
  • Follow all safety procedures and utility work practices


Preferred Experience

  • Pipefitting or steam fitting experience
  • Underground utility or industrial maintenance experience
  • Welding experience, especially pressure piping or ASME welding
  • Experience working in confined spaces, trenching, or excavation
  • Traffic control or flagging experience
  • Mechanical construction background


Qualifications

  • High School Diploma or GED
  • Valid Class A CDL required
  • Ability to work outdoors in varying weather conditions
  • Ability to safely perform physically demanding work
  • Strong teamwork and communication skills
  • Willingness to work overtime, nights, weekends, or holidays as needed


Additional Preferred Certifications

  • CPR / First Aid training
  • Confined Space Entry training
  • Shoring and trenching experience
  • Welding certifications


Why Join CenTrio?

  • Union position (IBEW Local 77)
  • Medical benefits starting Day 1
  • Medical, dental, vision, life, and AD&D insurance
  • 401(k) with company match
  • Stable year-round infrastructure work
  • Paid training and career growth opportunities
  • Team-oriented environment with long-term career potential


Schedule

  • Monday-Friday
  • 8-hour shifts
  • Overtime opportunities available


Who is CenTrio?

CenTrio is a fully integrated, innovative and sustainable energy services provider to a wide range of industries such as higher education & healthcare campuses, cities, and communities. It serves more with utility infrastructures serving more than 170+ million square feet of space and operations in 10 cities across the United States and growing. In each community, the company operates highly efficient and innovative utility infrastructures that produce and distribute electricity, steam, hot water and/or chilled water to customer buildings and campuses. Customers connected to these systems enjoy multiple benefits including reduced operating costs, lower emissions and unmatched reliability. CenTrio is a wholly owned subsidiary of a global Infrastructure Investment Consortium with unmatched financial wherewithal and manages a portfolio of long-life, high quality infrastructure assets with high barriers to entry that generate stable and growing cash flows.



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