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Assistant To Plant Manager Jobs in California (NOW HIRING)

North Coast Container

Assistant Plant Manager

Rialto, CA · On-site

$75K - $95K/yr

The Role North Coast Container is looking for a hands-on Assistant Plant Manager to help lead day-to-day manufacturing operations while reinforcing a culture of safety, quality, and continuous ...

Irca Group

Plant Manager

Union City, CA · On-site

$200 - $220/hr

They cater to independent producers as well as large food manufacturers, including consumer ... The Plant Manager will build capability throughout the plant team to ensure the sustainable ...

Irca Group

Plant Manager

Union City, CA · On-site

They cater to independent producers as well as large food manufacturers, including consumer ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Irca Group

Plant Manager

Union City, CA · On-site

They cater to independent producers as well as large food manufacturers, including consumer ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Irca Group

Plant Manager

Union City, CA

They cater to independent producers as well as large food manufacturers, including consumer ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Jeld-Wen, Inc.

Plant Manager

Sacramento, CA · On-site

You will report directly to the Senior Operations Director. This is an onsite role and is based in our Sacramento, CA facility. What You Will Do * Directs and manages all plant operations in ...

Jeld-Wen Inc.

Plant Manager

Sacramento, CA

You will report directly to the Senior Operations Director. This is an onsite role and is based in our Sacramento, CA facility. What You Will Do * Directs and manages all plant operations in ...

Airgas

Plant Manager

Santa Fe Springs, CA · On-site

$110K - $135K/yr

R10091146 Plant Manager (Open) Location: Santa Fe Springs, CA - Dice Rd - Filling industrial How ... We are committed to building a diverse and inclusive workplace that embraces the unique ...

Airliquidehr

Plant Manager

Santa Fe Springs, CA · On-site

$110K - $135K/yr

R10091146 Plant Manager (Open) Location: Santa Fe Springs, CA - Dice Rd - Filling industrial How ... We are committed to building a diverse and inclusive workplace that embraces the unique ...

Airgas

Plant Manager

Santa Fe Springs, CA · On-site

$110 - $135/hr

We offer up to 14-week paid child birth benefits to support growing families.* Future Security ... The Plant Manager supports and resolves plant priorities within the plant on a day to day basis and ...

Manufacturing

Plant Manager

Newark, CA · On-site

$90K - $110K/yr

Plant Manager will direct, coach, and teach as required to accomplish the objectives of good ... The production Manager is to assist in development and optimization of the manufacturing processes.

NRG

Plant Manager

El Segundo, CA

Welcome to the intersection of energy and home services. At NRG, we're all about propelling the ... The Plant Manager assures that the plant is operated in compliance with applicable safety ...

NRG

Plant Manager

El Segundo, CA · On-site

Welcome to the intersection of energy and home services. At NRG, we're all about propelling the ... The Plant Manager assures that the plant is operated in compliance with applicable safety ...

NRG Energy

Plant Manager

City Of Industry, CA · On-site

Your growth is key to our ongoing success-take the lead in shaping your career development, goals and future! Job Summary The Plant Manager is responsible for directing all Operations and Maintenance ...

NRG Energy

Plant Manager

El Segundo, CA

Welcome to the intersection of energy and home services. At NRG, we're all about propelling the ... The Plant Manager assures that the plant is operated in compliance with applicable safety ...

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All JobsTo Plant JobsAssistant To Plant Manager JobsAssistant To Plant Manager Jobs in California

Assistant To Plant Manager information

What is the difference between Assistant To Plant Manager vs Production Supervisor?

AspectAssistant To Plant ManagerProduction Supervisor
CredentialsTypically requires a bachelor's degree in engineering, manufacturing, or related fieldOften requires a high school diploma or associate degree; some roles prefer technical certifications
Work EnvironmentOffice setting within manufacturing plants, overseeing operationsFactory floor, supervising production staff and processes
Employer & Industry UsageManufacturing plants, industrial facilities, corporate managementFactories, production lines, manufacturing facilities
Comparison Search IntentUnderstanding managerial support roles in manufacturingSupervising daily production activities

The Assistant To Plant Manager primarily supports plant management from an administrative and coordination perspective, often working closely with the Plant Manager. In contrast, a Production Supervisor directly oversees daily manufacturing operations and production staff. While both roles are vital in manufacturing, the Assistant To Plant Manager focuses more on strategic and administrative tasks, whereas the Production Supervisor is hands-on with production processes.

What does an assistant to plant manager do?

An assistant to the plant manager supports daily operations by coordinating schedules, managing communication, and assisting with administrative tasks. They may also help oversee production processes, ensure safety compliance, and facilitate communication between departments to improve efficiency.

What are popular job titles related to Assistant To Plant Manager jobs in California?

For Assistant To Plant Manager jobs in California, the most frequently searched job titles are:

What job categories do people searching Assistant To Plant Manager jobs in California look for?

The top searched job categories for Assistant To Plant Manager jobs in California are:

What cities in California are hiring for Assistant To Plant Manager jobs?

Cities in California with the most Assistant To Plant Manager job openings:

Assistant To Plant Manager jobs near you
Infographic showing various Assistant To Plant Manager job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Assistant Plant Manager

North Coast Container

Rialto, CA • On-site

$75K - $95K/yr

Full-time

Posted 6 days ago

Job description

The Role
North Coast Container is looking for a hands-on Assistant Plant Manager to help lead day-to-day manufacturing operations while reinforcing a culture of safety, quality, and continuous improvement. This role is designed for a visible, shop-floor-focused leader who partners closely with the Plant Manager and production teams to keep operations running safely, efficiently, and on standard.
The Assistant Plant Manager spends the majority of their time on the floor-coaching teams, reinforcing standard work, supporting inventory and materials flow, and driving lean improvements. You will play a key role in safety compliance, employee training, and problem solving while helping ensure North Coast Container continues to deliver reliable, high-quality packaging solutions to our customers.
This position is ideal for someone who enjoys being embedded in operations, leading by example, and contributing directly to plant performance in a fast-paced manufacturing environment.
What You'll Do
  • Be a daily presence on the shop floor leading safety, quality, and operations
  • Support OSHA compliance, safety programs, and incident follow-up
  • Help manage inventory, materials flow, and cycle counts
  • Lead and support lean and continuous improvement projects
  • Create, update, and audit standard work and plant procedures
  • Coordinate and deliver safety, forklift, DOT, and operational training
  • Support local logistics and transportation needs as required
What We're Looking For
  • 1-2+ years in a manufacturing environment
  • Experience leading or supervising production or cross-functional teams
  • Working knowledge of OSHA, lean tools, and inventory systems
  • Comfortable training employees and documenting standard work
  • Proficient with Microsoft Office and ERP systems (AX a plus)

Preferred:
OSHA 30, forklift certification, DOT awareness, Lean/Six Sigma exposure, bilingual English & Spanish, Continuous Improvement experience
Physical Requirements
  • Ability to be on your feet most of the shift
  • Lift up to 50 lbs and work in an industrial environment

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