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Plant Operations Assistant Jobs in Seattle, WA (NOW HIRING)

CalPortland

Aggregate Plant Mechanic

Snoqualmie, WA · On-site

$48.10/hr

The Plant Mechanic is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation and assist in plant operations as needed. Benefits At CalPortland, we're ...

CalPortland

Aggregate Plant Mechanic

Snoqualmie, WA · On-site

$48.10/hr

The Plant Mechanic is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation and assist in plant operations as needed. Benefits At CalPortland, we're ...

Albertsons

Plant Production Manager - Milk

Bellevue, WA · On-site

$120K - $150K/yr

Develop, monitor and ensure timely completion of plant goals/action plans, both short and long term. * Assist Plant Manager in making operational improvements to reduce costs and to increase ...

CalPortland

Aggregate Plant Mechanic

Snoqualmie, WA · On-site

$48.10/hr

The Plant Mechanic is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation and assist in plant operations as needed. Benefits At CalPortland, we're ...

CalPortland

Plant Maintenance

Snoqualmie, WA · On-site

$48.10/hr

This individual is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation, and assist in plant operations as needed. Benefits At CalPortland, we're ...

CalPortland

Plant Maintenance

Snoqualmie, WA · On-site

$48.10/hr

This individual is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation, and assist in plant operations as needed. Benefits At CalPortland, we're ...

Socket.dev

Plant Production Manager - Milk

Bellevue, WA · On-site

$90 - $120/hr

Develop, monitor and ensure timely completion of plant goals/action plans, both short and long term. * Assist Plant Manager in making operational improvements to reduce costs and to increase ...

Posted today

Baker Commodities Inc

Assistant Plant Manager

Seattle, WA · On-site

$100K - $110K/yr

In conjunction and cooperation with the Plant Manager, ensure that the operations of the facility ... Under the guidance of the Plant Manager and Northwest Regional Manager, will assist in the ...

Banner Solutions

Assistant Plant Manager

Seattle, WA · On-site

$100K - $110K/yr

In conjunction and cooperation with the Plant Manager, ensure that the operations of the facility ... Under the guidance of the Plant Manager and Northwest Regional Manager, will assist in the ...

Baker Commodities Inc

Assistant Plant Manager

Seattle, WA · On-site

$100K - $110K/yr

In conjunction and cooperation with the Plant Manager, ensure that the operations of the facility ... Under the guidance of the Plant Manager and Northwest Regional Manager, will assist in the ...

King & Prince Seafood Corp

Cost Accountant

Redmond, WA · On-site

$80K - $90K/yr

... Assist with maintaining accurate perpetual inventory records and support compliance with cycle ... Collaborate closely with plant operations, supply chain, and finance teams to ensure accurate ...

Aston Carter

Receiving Admin

Tacoma, WA · On-site

$22 - $24/hr

... plant operations to resolve issues and coordinate activities. * Maintain records and documentation required for audits, compliance, and regulatory inspections. * Cross-train with and assist other ...

Aston Carter

Receiving Admin

Tacoma, WA · On-site

$22 - $24/hr

... plant operations to resolve issues and coordinate activities. * Maintain records and documentation required for audits, compliance, and regulatory inspections. * Cross-train with and assist other ...

Aston Carter

Receiving Admin

Tacoma, WA · On-site

$22 - $24/hr

... plant operations to resolve issues and coordinate activities. * Maintain records and documentation required for audits, compliance, and regulatory inspections. * Cross-train with and assist other ...

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Plant Operations Assistant information

See Seattle, WA salary details

$12

$22

$35

How much do plant operations assistant jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for plant operations assistant in Seattle, WA is $22.55, according to ZipRecruiter salary data. Most workers in this role earn between $17.50 and $25.43 per hour, depending on experience, location, and employer.

What is a plant operations assistant?

Plant Operations Assistants are support staff who help ensure that industrial or manufacturing facilities run smoothly. Their duties often include monitoring equipment, performing basic maintenance, assisting with inventory management, and helping maintain safety and cleanliness standards. They work under the supervision of plant managers or engineers and may be involved in coordinating with other departments to support overall plant operations. This role is essential for minimizing downtime and aiding the efficient operation of the facility.

What does a plant operations assistant do?

A typical day for a Plant Operations Assistant involves supporting the smooth running of facility operations by assisting with equipment maintenance, monitoring supply levels, and ensuring compliance with safety protocols. You may be responsible for coordinating minor repairs, updating maintenance logs, and collaborating with technicians and supervisors to address any urgent operational issues. The role often requires flexibility and strong organizational skills, as priorities can shift based on production needs or unexpected equipment concerns. Working closely with other departments, you'll play a vital part in maintaining an efficient and safe plant environment.

What skills and qualifications are needed to thrive as a plant operations assistant?

To thrive as a Plant Operations Assistant, you need a basic understanding of facility maintenance, equipment operation, and general safety procedures, often supported by a high school diploma or equivalent. Familiarity with maintenance management systems, hand tools, and possibly certifications in OSHA safety standards is typically required. Attention to detail, strong communication, and reliability are crucial soft skills for excelling in this role. These abilities ensure smooth plant operations, help prevent accidents, and support efficient teamwork and compliance with safety protocols.

What is the difference between Plant Operations Assistant vs Maintenance Technician?

AspectPlant Operations AssistantMaintenance Technician
CredentialsHigh school diploma or equivalent; certifications varyHigh school diploma; technical certifications often preferred
Work EnvironmentIndustrial plants, manufacturing facilitiesIndustrial plants, manufacturing facilities
Job FocusAssisting daily plant operations, monitoring equipment, supporting staffRepairing, maintaining, and troubleshooting equipment
Employer UsageManufacturing, energy, utilitiesManufacturing, energy, utilities

While both roles work within industrial settings, a Plant Operations Assistant primarily supports daily plant functions and operations, whereas a Maintenance Technician focuses on equipment repair and maintenance. The roles often overlap but differ in their core responsibilities and skill sets.

How much does a plant operations assistant get paid?

The average salary for a plant operations assistant typically ranges from $35,000 to $50,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages. Compensation often includes benefits such as health insurance and paid time off.

What does a plant operations assistant get paid?

The average salary for a plant operations assistant typically ranges from $35,000 to $50,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages. Compensation often includes benefits such as health insurance and paid time off.

What are the most commonly searched types of Plant Operations jobs in Seattle, WA?

The most popular types of Plant Operations jobs in Seattle, WA are:

Plant Operations Assistant jobs near you

Aggregate Plant Mechanic

CalPortland

Snoqualmie, WA • On-site

$48.10/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 3 hours ago

CalPortland rating

7.5

Company rating: 7.5 out of 10

Based on 28 frontline employees who took The Breakroom Quiz

Job description

Job Summary

The Plant Mechanic is responsible for safe repair and maintenance of mining equipment typically found in an aggregate facility including crushers, screen decks, conveyors, drums, etc. The Plant Mechanic is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation and assist in plant operations as needed.

Benefits

At CalPortland, we’re proud to offer a comprehensive, competitive benefits package that provides health and financial support to our most important resources: our employees.  Your benefits are an important part of your overall compensation at CalPortland. That’s why we give you a wide range of benefits to choose from.  All regular full time employees may enroll in a variety of health and welfare plans including medical, dental and vision plans.  Other benefits include life insurance, disability coverage, employee assistance program, and retirement program.  The company also has a variety of voluntary benefits for employees to choose from.

Compensation

Hourly $48.10

Responsibilities
  • Perform safety and mechanical inspections of the plant and equipment
  • Address any housekeeping issues within the workspace
  • Drive to various facilities to perform maintenance and repair tasks; may also include periodic work at ready-mix plants
  • Troubleshoot and resolve maintenance problems to ensure minimum cost and prevent operational delays
  • Understand and comply with MSHA rules and regulations
  • Other duties as assigned by manager
Education

High school diploma/GED

Requirements/Qualifications
  • Must have valid driver’s license and reliable transportation
  • Provide own tools typically used in aggregate facility maintenance
  • Physical requirements: able to lift or move up to 100 lbs., stand, walk, climb, bend, stretch, kneel, crouch, and drive on rough terrain
  • Able to work in wet and/or dry conditions and extreme heat and cold
  • Strong communication, problem solving and leadership skills
  • Able to work well with others in a fast-paced environment
  • Knowledge and experience in the operation and maintenance of crushers, wash plants, conveyors, material washers and various other types of fixed equipment used in the industry
  • Proficient in welding and cutting
  • Proficient operator of forklift, man lift, cranes and boom trucks
  • Experience operating heavy equipment used in aggregate facilities (loaders, dozers, road graders) preferred
  • Current MSHA training certification preferred
Conditions of Employment

Successful candidate must submit to a post-offer pre-employment physical examination, drug/alcohol screen, and background check. Some positions require Federal Motor Carrier Safety Administration (FMCSA) registration/clearance as well as ongoing alcohol and drug testing. For work that will be performed in the San Francisco area, qualified applicants with arrest and conviction records will be considered for employment.

What CalPortland employees say

Pay

Benefits

Hours and flexibility

Workplace

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