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Plant Manager

CRH Public

San Martin, CA · Posted October 9, 2026

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Pay compared with the market

This listing does not state pay. Across 134 open plant manager listings that state pay, the middle half runs $137,500 to $175,500 and the median is $155,000.

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About the job

Job ID: 528928

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

Job Summary

The Plant Manager is responsible for the overall plant operations, including all production and ensuring all employees strive to meet the standards set forth by the company for Safety, Quality, Efficiency, Preventative maintenance, and Bottom-line results.

Job Location

This is an onsite role based in San Martin, CA.

Job Responsibilities

Direct all plant manufacturing processes and ensure quality products while maintaining a safe work environment

Plan and direct the layout of equipment, workflow and workforce utilization as well as participating in the procurement of raw materials, supplies and other production needs

Planning and establishing work schedules, assignments and production sequences to meet production goals

Review production reports and profit-loss statements

Other duties and responsibilities related to the nature of the job may be assigned on a temporary or permanent basis as needed

Responsible for the day-to-day operations of all production employees

Provide leadership and direction for overall production in accordance with our vision and values

Inspire, train and coach team members on daily responsibilities, procedures, or process changes

Monitor performance of each team member and provide feedback

Work with Site Manager and Production Manager to improve manufacturing processes and ensure quality of products while maintaining a safe work environment

Plan and coordinate efficient use of employees, materials, and machine to meet business goals

Communicate necessary information and issues to employees and management

Job Requirements

Bachelor's degree and/or 5+ years as a plant manager in a similar industry or equivalent combination of education, training, and experience

Prior experience managing people in production, equipment, maintenance and/or quality control

Ability to interpret production reports and P&L statements

Strong background in maintenance with an understanding of process es and equipment

Proficient in MS Office suite, web-based data management tools and Internet applications

Excellent verbal and written communication skills

Physical requirements include lifting up to 50 lbs., extended standing, walking, sitting, bending, climbing, working inside and outside, and use of fall protection equipment

Able to perform job tasks in dusty, hot and/or cold working conditions

Must wear company provided personal protective equipment - earplugs, hard hat, safety boots/shoes*, and protective glasses

Compensation

$115,000 - $140,000

Opportunity for annual bonus

401(k) / retirement savings program

Short- term and long-term disability benefits

Life insurance

Health, Dental. And Vision insurance

Paid time off

Paid holidays

What CRH Offers You

Highly competitive base pay

Comprehensive medical, dental and disability benefits programs

Group retirement savings program

Health and wellness programs

An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

Oldcastle APG, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.