Plant Manager

Career Opportunities:
Plant Manager (528928)

Requisition
528928
-Posted
09/16/2026

- 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.

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.

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

• 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

• 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

• $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

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness…