Project Manager and Estimating Intern

Project Manager and Estimating Intern (Administrative)

Job : 517711

Employment Type: Non-Exempt

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We are a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we lead the industry with innovation and a safety‑first mindset.

Job Summary

Oldcastle Infrastructure is looking for a Project Manager/Estimating Intern. Interns will apply classroom‑learned skills to track data, analyze processes, and recommend solutions based on gathered data from our facilities. You will engage with leaders and associates, gain hands‑on experience through shadowing, and own a meaningful project.

This position starts in person around May 2026 and continues through the entire summer term (May–August 2026). We ask for a minimum of 12 weeks, full‑time and on‑site, for most internships.

• Onsite position located in Chowchilla, CA.

• Estimating
  • Assist Estimating Manager by estimating multiple projects concurrently and getting proposals to the sales staff before the bid date.
  • Contact vendors for pricing on needed items, review vendor quotes to ensure compliance with required designs/specifications.
  • Work with Estimating Manager and sales staff on proposals to ensure proper estimating, project requirements, time frames, and subcontracting opportunities.
  • Assist the Estimating team with the Hand‑Off meeting at the point of sale to ensure all needed information and paperwork are complete, the scope of work is clear, review the estimate and confirm values for all items, and begin the scheduling process.
• Project Manager
  • Work with CSR and Project Leads in building accurate submittal packages for customers.
  • Assist CSR and Project Leads with customers who have product questions, ordering, and order tracking.
  • Prepare quotes for standard product and enter orders into the system for delivery.
  • Issue credits or debits accurately when applicable.
  • Review engineering submittals with the Project Lead and create takeoffs for customers.
  • Other duties and responsibilities related to the nature of the job may be assigned by the Commercial Operations Manager.
  • Monitor the progress and status of each assigned project as it moves through the process, proactively problem‑solve, provide technical advice, and assist other staff to expedite projects and remove obstacles that may cause delays.

• Sophomore through Senior pursuing a bachelor’s degree in Concrete Industry Management (Preferred), Construction Management, Civil Engineering, or another related field.
• Demonstrated knowledge of engineering fundamentals and proficiency in Microsoft Office and Microsoft Excel.
• Strong analytical and problem‑solving skills with the ability to work in a fast‑paced, high‑stress environment.
• Excellent interpersonal, oral, and written communication skills.
• Ability to work both independently and in a team setting.
• Ability to write reports and analyze raw data.
• Ability to understand engineered drawings and blueprints.

• Hourly pay: $25.00/hr.

• Highly competitive base pay
• Comprehensive medical, dental, and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• Inclusive culture that values opportunity for growth, development, and internal promotion

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 enjoying 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 Infrastructure, 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.