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Assistant Site Manager

Oldcastle APG
Frederick, MD Other
POSTED ON 1/28/2026 CLOSED ON 2/26/2026

What are the responsibilities and job description for the Assistant Site Manager position at Oldcastle APG?

Job ID: 519310

Oldcastle® APG, a CRH Company, is North America's leading provider of innovative outdoor living solutions that enable customers to Live Well Outside. The manufacturer's portfolio of premier building products inspires endless possibilities while providing enduring outdoor spaces where people can connect, reflect and recharge. Award-winning brands include Belgard® hardscape, Echelon® Masonry, MoistureShield® composite decking, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, Lawn & Garden mulches and landscape features, and Techniseal® sands and sealant technologies.

**Job Summary**

Oldcastle Lawn and Garden is looking for an Assistant Site Manager with an entrepreneurial spirit to oversee all aspects of a fast-paced lawn & garden products manufacturing facility. Daily duties include monitoring daily key point measures, safety, production flow and material costs. In this role, the Assistant Site Manager will have responsibility and accountability for bottom line results.

**Job Location**

This is an onsite role in Frederick, MD.

**Job Responsibilities**

  • Implementing process improvement methods and ensuring non-stop production in an effective, safe and profitable manner
  • Providing leadership to staff, assessing performance, and directing all operational activities to ensure product quality and consistency
  • Ensuring workplace safety through implementation, adherence and enforcement of company business standards, as well as safety and development programs
  • Assist with maintaining a quality control program to ensure that we produce quality products that meet or exceed customer expectations
  • Prepare and maintain appropriate production records by assisting Plant Manager with production entry when necessary

**Job Requirements**

  • 2 plus years manufacturing management experience
  • Must have excellent analytical, problem solving and communication skills
  • Must have intermediate to advanced MS Office skills
  • Bachelor's degree preferred
  • Experience in wood/pulp/mulch manufacturing preferred

**Job Compensation**

  • Base salary range of 68,000-71,000 peryear
  • Bonus opportunity
  • 401(k) plan / group 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.

Salary : $68,000 - $71,000

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