Plant Manager

Oldcastle APG; California; On-site; USD 115,000 - 140,000; Full time

Benefits offered by this job

401(k) / retirement savings program

Short- term and long-term disability

Life insurance

Paid time off

Paid holidays

Job summary

Oldcastle APG, a CRH company, seeks a Plant Manager in California to oversee all plant operations, drive safety, quality and efficiency, and lead production teams. You will manage production workflow, coordinate schedules, and monitor performance against goals to deliver bottom‑line results.

The role requires a Bachelor's degree and 5+ years in plant management, with strong leadership and communication skills. Onsite work in San Martin, CA, with competitive benefits and potential annual bonus.

Qualifications

• Bachelor's degree or equivalent combination of education, training and experience.
• Excellent verbal and written communication skills.
• Strong background in maintenance or related production environments.
• Ability to interpret production reports and P&L statements.

Responsibilities

• Direct all plant manufacturing processes and ensure quality products while maintaining a safe work environment.
• Plan and direct equipment layout, workflow, and workforce utilization; coordinate procurement of raw materials.
• Plan and establish work schedules and production sequences to meet goals.
• Review production reports and profit‑loss statements.
• Lead and coach team members on responsibilities and procedures.
• Coordinate with Site Manager and Production Manager to improve processes and safety.

Skills

Leadership

Communication skills

Team management

Safety awareness

Education

Bachelor's degree

Equivalent combination of education, training and experience

Tools

MS Office

Web-based data management tools

Job description

Career Opportunities: Plant Manager (528928)

Requisition ID528928-Posted09/16/2026-Architectural Products Group-Pacific-Full Time-Operations, Field and Plant Mgmt-United States-California

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
• 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
• Aninclusive 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.

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.

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